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Electrical Litigation Quality Patents 

Here are examples of issued electrical patents obtained for clients by team TPL 
Inductor With Bypass Switch

Inductor with bypass switch


Some apparatus and associated methods relate to conductivity modulation apparatus for active operations with an inductive element in a packaged circuit module formed with a bypass switch for configuration in parallel with an inductor. In an illustrative example, the bypass switch may be a controllable bidirectional switch formed of, for example, two anti-series connected MOSFETs. In some embodiments, the packaged module may include a main switch and/or a freewheeling rectifier (e.g., synchronous rectifier) operable as a buck-derived switched mode power supply. The bypass switch may, in operation, selectively circulate inductor current through the bypass switch, for example, to control the timing and/or quantity of energy transfer from the inductor to a load. In some implementations, the bypass switch may be operated, for example, to dynamically modulate conductivity across the terminals of an inductor in a buck-derived switched mode power supply to enhance circuit performance in numerous operational modes.


Assistance summons device for motorcycle or the like

Assistance summons device for motorcycle or the like 

A distress situation recognizing and remote assistance summoning device for recognizing a distress situation which may be encountered by a transport vehicle, and for summoning assistance via a wireless communications link is shown and described. The device may be self-contained in one unit and clamped to a tube member of the vehicle. The device includes microprocessor, a battery, a power cable connectable to a vehicle electrical system, accelerometer and gyroscope for sensing impacts, GPS capability, wireless communications capability for summoning assistance, an annunciator for annunciating transmission of an assistance request, a manual assistance request feature, a request cancellation feature, a delay feature delaying the assistance request, a visible and an audible beacon annunciating location of the vehicle, and a coverage annunciator signaling that the vehicle is in an area not in potential communication with a recipient of the request for assistance.


Retro-reflective sensor with multiple detectors

Retro-reflective sensor with multiple detectors
 

Apparatus and associated methods relate to a photoelectric sensor system with a primary photo-detector to receive an on-axis return reflected by a retro-reflective target, and a monitor photo-detector to detect off-axis light indicative of a diffuse reflective object blocking the optical path between an emitter and the retro-reflective target. In an illustrative example, the optical path may include a coaxial transceiver module that includes a beam splitter mirror to redirect the optical path. In some embodiments, a bifurcated lens may provide, for example, a lateral offset of the emitter axis through one lens, and the return axis through an adjacent parallel lens. The second photo-detector may provide, for example, an array of one or more detection surfaces to detect off-axis light associated with a diffuse reflective object, such as a white card, for example.


Safety touch button system having an intercommunications link

Safety touch button system having an intercommunications link


Apparatus and associated methods relate to dual safety touch button systems for generating machine operation commands, according to predetermined safety guidelines, from status information received via an intercommunications link (ICL) operably connecting the dual safety touch buttons (STBs). In an illustrative example, each of a pair of STBs includes a processor configured to receive, via an intercommunications link port, status information from the other STB. In response to the received information and predetermined safety guidelines, the STBs may generate machine operation commands that operate a pair of relay switches. In some embodiments, each STB may be activated within a substantially simultaneous period (e.g., less than 0.5 seconds) to actuate corresponding relay switches for operating a potentially dangerous machine.


System and method for transmitter

System and method for transmitter

A transmitter includes a predriver circuit configured to perform a first equalization process to compensate jitter caused by the predriver circuit. The predriver circuit includes a first path having a first driving strength and configured to generate a first path output signal by applying a first delay to a predriver input signal. The predriver circuit includes a second path having a second driving strength less than the first driving strength and configured to generate a second path output signal by applying a second delay to the predriver input signal. A summing node is configured to combine the first path output signal and the second path output signal to provide a summing node output signal. A driver circuit coupled to the predriver circuit is configured to generate a driver output signal based on the summing node output signal and drive the driver output signal to a receiver through a channel.


Hand held electric tape dispenser

Hand held electric tape dispenser

The present invention is to provide a power tape dispenser which capable to automatically dispense and cut packaging tape at a desired speed. The operations of the tape dispenser such as taping and cutting process are controlled by the engagement of surface triggering device, the main triggering device and the electrical components.


Adaptive method to reduce training time of receivers

Adaptive method to reduce training time of receivers

Apparatus and associated methods relate to using a high learning rate to speed up the training of a receiver and switching from a high learning rate to a low learning rate for fine tuning based on exponentially weighted moving average convergence. In an illustrative example, a selection circuit may switch the high learning rate to the low learning rate based on a comparison of a moving average difference en to a predetermined stability criteria Tof the receiver. The moving average difference en may include an exponentially weighted moving average of a difference between two consecutive exponentially weighted moving averages of an operation parameter Uof the signal communication channel. By using this method, the training time for the receiver may be advantageously reduced.


User selectable remote programming for cascade-connected light curtains

User selectable remote programming for cascade-connected light curtains

Apparatus and associated methods relate to activating a blanking programming mode, such as fixed blanking (FB) or floating blanking (FLB), for example, for at least one user-selectable light curtain segment proximally connected to a distal-most segment in a string of cascaded light curtain segments. In an illustrative example, the selective activation may be initiated in response to a request signal from a remote request generator. The remote request generator may, in some examples, communicate the request signal to initiate the programming mode via a wireless communication link. In some embodiments, a request interface module may receive the request signal while releasably plugged into a terminal end of the distal-most segment. In various implementations, the remote selective activation may advantageously empower operators to rapidly configure cascaded light curtain systems that require programming modes for functions such as, for example, FB, FLB, or reduced resolution.


Three quarter bridge for buck-derived switch-mode power supplies

Three quarter bridge for buck-derived switch-mode power supplies

Some apparatus and associated methods relate to a three quarter bridge (TQB) applied across an output inductor of a buck-derived power converter, the TQB operated in a first mode such that when a high-side switch of the power converter is turned on, the TQB configured to pass a first controlled current to combine with a first output inductor current to a load, the TQB configured to control the first controlled current to minimize a negative voltage transient on the load, the TQB operated in a second mode such that when the high-side switch of the power converter is turned off the TQB configured to divert a second controlled current away from the load and to circulate the second controlled current through the output inductor, the TQB configured to control the second controlled current to minimize a positive voltage transient on the output of the power converter.


Linear variable displacement transformer (LVDT) with improved linearity using extreme end booster winding

Linear variable displacement transformer (LVDT) with improved linearity using extreme end booster winding 

A linear variable displacement transformer (LVDT) position sensor. The position sensor comprises a bobbin, a primary coil of wire wound on the bobbin, a first secondary coil wound in stepped layers on the bobbin, and a second secondary coil wound in stepped layers on the bobbin. The first secondary coil comprises a plurality of booster windings at an end of the first secondary coil. The second secondary coil comprises a plurality of booster windings at an end of the second secondary coil opposite the end of the first secondary coil booster windings. The stepped windings of the second secondary coil are complementary to the stepped windings of the first secondary coil.


Acoustic sensors optimally placed and coupled to minimize feedback and maximize sound quality of an acoustic-electric stringed instrument

Acoustic sensors optimally placed and coupled to minimize feedback and maximize sound quality of an acoustic-electric stringed instrument 

Apparatus and associated methods relate to acoustic-electric sensor system including a main acoustic sensor operably coupled to detect string vibrations of an acoustic-electric instrument and a feedback suppression acoustic sensor configured to primarily detect sound board vibrations of the acoustic-electric stringed instrument at a location with a substantially attenuated string vibration signal relative to its sound board vibration signal. In an illustrative example, a mixing circuit may at least partially cancel out sound board vibration signatures output by the main and feedback suppression acoustic sensors with one another to produce a mixed output signal. The feedback suppression acoustic sensor may be spaced outside of an ellipse substantially centered around a sound board string coupling point. The main acoustic sensor may be arranged in close proximity to receive the string vibration signal. The mixed output signal may substantially reject audio feedback disturbances while retaining the unique characteristic sound of the instrument.


Self-stabilized constant on-time control

Wireless splitter-repeater hub

Apparatus and associated methods relate to acoustic-electric sensor system including a main acoustic sensor operably coupled to detect string vibrations of an acoustic-electric instrument and a feedback suppression acoustic sensor configured to primarily detect sound board vibrations of the acoustic-electric stringed instrument at a location with a substantially attenuated string vibration signal relative to its sound board vibration signal. In an illustrative example, a mixing circuit may at least partially cancel out sound board vibration signatures output by the main and feedback suppression acoustic sensors with one another to produce a mixed output signal. The feedback suppression acoustic sensor may be spaced outside of an ellipse substantially centered around a sound board string coupling point. The main acoustic sensor may be arranged in close proximity to receive the string vibration signal. The mixed output signal may substantially reject audio feedback disturbances while retaining the unique characteristic sound of the instrument.


Wireless splitter-repeater hub

Wireless splitter-repeater hub

Apparatus and associated methods relate to acoustic-electric sensor system including a main acoustic sensor operably coupled to detect string vibrations of an acoustic-electric instrument and a feedback suppression acoustic sensor configured to primarily detect sound board vibrations of the acoustic-electric stringed instrument at a location with a substantially attenuated string vibration signal relative to its sound board vibration signal. In an illustrative example, a mixing circuit may at least partially cancel out sound board vibration signatures output by the main and feedback suppression acoustic sensors with one another to produce a mixed output signal. The feedback suppression acoustic sensor may be spaced outside of an ellipse substantially centered around a sound board string coupling point. The main acoustic sensor may be arranged in close proximity to receive the string vibration signal. The mixed output signal may substantially reject audio feedback disturbances while retaining the unique characteristic sound of the instrument.


Augmented sensing tower light assembly

Augmented sensing tower light assembly

Apparatus and associated methods relate to a tower light assembly having an output indicator responsive to an onboard sensor in accordance with a predetermined environmental parameter threshold. In an illustrative example, an augmented sensing tower light assembly (ASTLA) may include a light tower assembly having a controller configured to receive status data from monitored equipment. The controller may further receive environmental data from the onboard sensor. In response to the received status data and the received environmental data, the controller may actuate the output indicator in accordance with one or more predetermined criteria. Advantageously, the ASTLA may provide supplemental low-cost sensing capability.


Multifunction Three Quarter Bridge

Multifunction three quarter bridge

Some apparatus and associated methods relate to a buck-derived switched mode power supply with three-quarter bridge (TQB) formed with a bypass switch in parallel with an inductor. In an illustrative example, the bypass switch may be configured to, in response to a decrease in average load demand, operate in a first mode to turn on the bypass switch to selectively circulate inductor current through the bypass switch while a high-side switch and a low-side switch are off. In a second mode, the bypass switch may be turned off to circulate the inductor current through, for example, an output capacitor and the low-side switch. In some implementations of the TQB, the bypass switch may be operated, for example, to selectively transfer a controlled amount of energy stored in the inductor to the output capacitor in response to a decrease in average load demand.


Mobility platform based non-contact voltage detector

Mobility platform based non-contact voltage detector

A non-contact voltage detector module pluggable to a mobile communication device. The non-contact voltage comprises an antenna, a connector configured for connecting to a connector of a mobile communication device, and an assembly coupled to the antenna and the connector. The assembly converts an electromagnetic field received by the antenna to an indication of a strength of the electromagnetic field and transmits the indication of the strength of the electromagnetic field via the connector.



Switched-mode ripple optimization

Switched-mode ripple optimization

Methods and apparatus relate to a minimizing ripple in a polyphase power supply by modulating a voltage pre-regulator output setpoint to minimize ripple performance. In an illustrative example, the modulation may include incrementally adjusting the pre-regulator output setpoint supplied, for example, to a multiphase controller. Some examples may reverse the increment direction in response to determining that the prior incremental adjustment yielded increased ripple. Each phase of the polyphase power supply may include a buck-derived switch-mode power supply connected, for example, to a common output node. 


Switched energy resonant power supply system

Switched energy resonant power supply system

Apparatus and associated methods relate to a switching network that (1) receives energy from an input source that magnetically excites an output winding, (2) stores some of that energy in a series capacitance while delivering power to a resistive load during a first excitation cycle portion, and (3) then injects some of the stored energy back to the input source by injecting current into a tap of the output winding while delivering power to the resistive load and during a second excitation cycle portion.


Dust sensor with mass separation fluid channels and fan control

Dust sensor with mass separation fluid channels and fan control

A particulate matter (PM) sensor. The sensor comprises a mass separation fluid tunnel body defining a fluid inflow channel, a first fluid channel branch opening off of the inflow channel and having a first outlet, a second fluid channel branch opening off of the inflow channel and having a second outlet, and a fluid port between the first fluid channel branch and the second fluid channel branch, a fan located downstream of the first outlet and the second outlet, a photodetector located in the first fluid channel branch, and a computing device coupled to the photodetector having a processor and a memory storing instructions which, when executed by the processor, determines a mass concentration of particles in the first fluid channel branch based on an output of the photodetector.


Pneumatic Distribution System

Pneumatic distribution system using shared pump plenum

Apparatus and associated methods relate to a pneumatic distribution system having pneumatic pump that exhausts
into a common plenum that is in fluid communication with
a plurality of flow controllers. In an illustrative embodiment, a system controller may coordinate the operation of the one
or more pneumatic pumps and the plurality of flow controllers to provide air pressure control to a system of pneumatic
chambers. 



LED light re-direction accessory

LED light re-direction accessory

Apparatus and associated methods relate to development of a LED system with high thermal dissipation power relative to the system weight by the inclusion of open regions. The open regions reduce the weight of the optical system while improving airflow. Associated optics are described to efficiently and evenly distribute the light from an LED by tailoring the optical distribution. In addition, circuitry and methods are described to allow for the LED system to operate with existing power sources such as ballast or offline AC voltage sources or both.



Pest repelling device

Pest repelling device

Apparatus and associated methods relate to a pest repelling magnetic field generating device (PRD) having a temperature sensor to detect the temperature of a solenoid coil during operation. The detected temperature to be used to ensure that the PRD operates within an ideal temperature range. Additionally, a fan is oriented within a housing of the PRD to force the flow of air from inside a housing of the PRD to outside a housing the PRD. In an illustrative example, the PRD may shut off if the temperature of the solenoid coil moves outside the ideal temperature range.



Area-efficient high-accuracy bandgap voltage reference circuit

Area-efficient high-accuracy bandgap voltage reference circuit

An integrated circuit includes a reference voltage circuit. The reference voltage circuit includes a bipolar junction transistor (BJT) configured to receive a first current during a first phase of a clock cycle to generate a first base-emitter junction voltage, and receive a second current during a second phase of the clock cycle to generate a second base-emitter junction voltage. The reference voltage circuit includes a switched capacitor circuit configured to provide a reference voltage associated with the first base-emitter junction voltage and the second base-emitter junction voltage. 



Dual input voltage constant power indicator

Dual input voltage constant power indicator

Apparatus and associated methods relate to a dual-input voltage range compatible light adapted to reconfigure two light elements in series or in parallel and make corresponding current limit adaptations, in response to the input voltage entering one of two predetermined ranges. In an illustrative example, the lighting elements may be strings of LEDs. The current limit may be regulated, for example, by two linear current regulators. In various examples, the current through each of the light elements may be maintained at a predetermined current level independent of the input voltage range. 



Variable differential transformer position sensor with a trapezoidal primary coil

Variable differential transformer position sensor with a trapezoidal primary coil

A transformer includes a bobbin, a primary coil, and a pair of secondary coils. The bobbin has an axial bore formed therein. The primary coil is wound on the bobbin and is adapted to be electrically excited with an excitation signal. The secondary coils are disposed adjacent to the primary coil, and are inductively coupled to the primary coil upon electrical excitation of the primary coil. The primary coil is wound on the bobbin such that at least a portion of the primary coil has a cross section shape that is a trapezoid.



a graphical representation of patent

Measuring Components of Jitter

Apparatus and associated systems, methods and computer program products relate to isolating horizontal jitter component(s) from vertical jitter component(s). In preferred embodiments, at least one horizontal component of jitter is distinguished from at least one component of vertical jitter by fitting a curve to a digitally acquired waveform, determining the curve slope and statistical variance about the fitted curve over at least one time period, identifying a functional relationship between the variance and slope, and determining therefrom at least one horizontal component of jitter and at least one vertical component of jitter. 



an image of t

Use of 8-bit or higher A/D for NAND cell value

A system and method, including computer software, for storing digital information uses multiple NAND flash memory cells. Each memory cell is adapted to receive charge during a write operation to an analog voltage that corresponds to a data value having a binary representation of more than 4 bits. An analog-to-digital converter converts the analog voltage from each memory cell into a digital representation of the analog voltage during a read operation of each cell.




Current Waveform Construction to Generate AC Power

Current Waveform Construction to Generate AC Power

Methods and apparatus to provide low harmonic distortion AC power for distribution by converting energy from natural or renewable sources into electrical form, and constructing a current waveform on a primary winding of a transformer by recapturing inductive energy previously stored in the transformer so as to transform the converted electrical energy into substantially sinusoidal AC voltage at a secondary winding of the transformer. 




Litigation quality patent

User Interface for Maintaining Categorization Schemes

A graphical user interface (GUI) tool for maintaining categorization schemes includes a categorization area that displays user-input fields which may be used to define a number of categories and a number of links that form a categorization scheme. The categorization scheme is organized to enable the computer-executed process to categorize the data. The categorization causes the selection of categories that correspond to the data. The selection is made by making a category determination beginning at the top level and proceeding to the children of categories that correspond to the data.




Automated Pharmacy admixture system

Automated pharmacy admixture system (APAS)

An Automated Pharmacy Admixture System (APAS) may include a manipulator that transports medical containers such as bags, vials, or syringes about a substantially aseptic admixing chamber. In a preferred implementation, a gripper assembly is configured to substantially universally grasp and retain syringes, IV bags, and vials of varying shapes and sizes. In an illustrative embodiment, a gripping device may include claws configured to grasp a plurality of different types of IV bags, each type having a different fill port configuration. 




Craige Thompson, JD, EE, PE, Patent Attorney

Craige Thompson JD, EE, PE Patent Attorney Author of Amazon #1 Best seller, Patent Offense

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Loretta Poland

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Inductor With Bypass Switch

Inductor with bypass switch


Some apparatus and associated methods relate to conductivity modulation apparatus for active operations with an inductive element in a packaged circuit module formed with a bypass switch for configuration in parallel with an inductor. In an illustrative example, the bypass switch may be a controllable bidirectional switch formed of, for example, two anti-series connected MOSFETs. In some embodiments, the packaged module may include a main switch and/or a freewheeling rectifier (e.g., synchronous rectifier) operable as a buck-derived switched mode power supply. The bypass switch may, in operation, selectively circulate inductor current through the bypass switch, for example, to control the timing and/or quantity of energy transfer from the inductor to a load. In some implementations, the bypass switch may be operated, for example, to dynamically modulate conductivity across the terminals of an inductor in a buck-derived switched mode power supply to enhance circuit performance in numerous operational modes.


Assistance summons device for motorcycle or the like

Assistance summons device for motorcycle or the like 

A distress situation recognizing and remote assistance summoning device for recognizing a distress situation which may be encountered by a transport vehicle, and for summoning assistance via a wireless communications link is shown and described. The device may be self-contained in one unit and clamped to a tube member of the vehicle. The device includes microprocessor, a battery, a power cable connectable to a vehicle electrical system, accelerometer and gyroscope for sensing impacts, GPS capability, wireless communications capability for summoning assistance, an annunciator for annunciating transmission of an assistance request, a manual assistance request feature, a request cancellation feature, a delay feature delaying the assistance request, a visible and an audible beacon annunciating location of the vehicle, and a coverage annunciator signaling that the vehicle is in an area not in potential communication with a recipient of the request for assistance.


Hand held electric tape dispenser

Hand held electric tape dispenser

The present invention is to provide a power tape dispenser which capable to automatically dispense and cut packaging tape at a desired speed. The operations of the tape dispenser such as taping and cutting process are controlled by the engagement of surface triggering device, the main triggering device and the electrical components.


Adaptive method to reduce training time of receivers

Adaptive method to reduce training time of receivers

Apparatus and associated methods relate to using a high learning rate to speed up the training of a receiver and switching from a high learning rate to a low learning rate for fine tuning based on exponentially weighted moving average convergence. In an illustrative example, a selection circuit may switch the high learning rate to the low learning rate based on a comparison of a moving average difference en to a predetermined stability criteria Tof the receiver. The moving average difference en may include an exponentially weighted moving average of a difference between two consecutive exponentially weighted moving averages of an operation parameter Uof the signal communication channel. By using this method, the training time for the receiver may be advantageously reduced.


User selectable remote programming for cascade-connected light curtains

User selectable remote programming for cascade-connected light curtains

Apparatus and associated methods relate to activating a blanking programming mode, such as fixed blanking (FB) or floating blanking (FLB), for example, for at least one user-selectable light curtain segment proximally connected to a distal-most segment in a string of cascaded light curtain segments. In an illustrative example, the selective activation may be initiated in response to a request signal from a remote request generator. The remote request generator may, in some examples, communicate the request signal to initiate the programming mode via a wireless communication link. In some embodiments, a request interface module may receive the request signal while releasably plugged into a terminal end of the distal-most segment. In various implementations, the remote selective activation may advantageously empower operators to rapidly configure cascaded light curtain systems that require programming modes for functions such as, for example, FB, FLB, or reduced resolution.


Three quarter bridge for buck-derived switch-mode power supplies

Three quarter bridge for buck-derived switch-mode power supplies

Some apparatus and associated methods relate to a three quarter bridge (TQB) applied across an output inductor of a buck-derived power converter, the TQB operated in a first mode such that when a high-side switch of the power converter is turned on, the TQB configured to pass a first controlled current to combine with a first output inductor current to a load, the TQB configured to control the first controlled current to minimize a negative voltage transient on the load, the TQB operated in a second mode such that when the high-side switch of the power converter is turned off the TQB configured to divert a second controlled current away from the load and to circulate the second controlled current through the output inductor, the TQB configured to control the second controlled current to minimize a positive voltage transient on the output of the power converter.


Linear variable displacement transformer (LVDT) with improved linearity using extreme end booster winding

Linear variable displacement transformer (LVDT) with improved linearity using extreme end booster winding 

A linear variable displacement transformer (LVDT) position sensor. The position sensor comprises a bobbin, a primary coil of wire wound on the bobbin, a first secondary coil wound in stepped layers on the bobbin, and a second secondary coil wound in stepped layers on the bobbin. The first secondary coil comprises a plurality of booster windings at an end of the first secondary coil. The second secondary coil comprises a plurality of booster windings at an end of the second secondary coil opposite the end of the first secondary coil booster windings. The stepped windings of the second secondary coil are complementary to the stepped windings of the first secondary coil.


Acoustic sensors optimally placed and coupled to minimize feedback and maximize sound quality of an acoustic-electric stringed instrument

Acoustic sensors optimally placed and coupled to minimize feedback and maximize sound quality of an acoustic-electric stringed instrument 

Apparatus and associated methods relate to acoustic-electric sensor system including a main acoustic sensor operably coupled to detect string vibrations of an acoustic-electric instrument and a feedback suppression acoustic sensor configured to primarily detect sound board vibrations of the acoustic-electric stringed instrument at a location with a substantially attenuated string vibration signal relative to its sound board vibration signal. In an illustrative example, a mixing circuit may at least partially cancel out sound board vibration signatures output by the main and feedback suppression acoustic sensors with one another to produce a mixed output signal. The feedback suppression acoustic sensor may be spaced outside of an ellipse substantially centered around a sound board string coupling point. The main acoustic sensor may be arranged in close proximity to receive the string vibration signal. The mixed output signal may substantially reject audio feedback disturbances while retaining the unique characteristic sound of the instrument.


Self-stabilized constant on-time control

Wireless splitter-repeater hub

Apparatus and associated methods relate to acoustic-electric sensor system including a main acoustic sensor operably coupled to detect string vibrations of an acoustic-electric instrument and a feedback suppression acoustic sensor configured to primarily detect sound board vibrations of the acoustic-electric stringed instrument at a location with a substantially attenuated string vibration signal relative to its sound board vibration signal. In an illustrative example, a mixing circuit may at least partially cancel out sound board vibration signatures output by the main and feedback suppression acoustic sensors with one another to produce a mixed output signal. The feedback suppression acoustic sensor may be spaced outside of an ellipse substantially centered around a sound board string coupling point. The main acoustic sensor may be arranged in close proximity to receive the string vibration signal. The mixed output signal may substantially reject audio feedback disturbances while retaining the unique characteristic sound of the instrument.


Wireless splitter-repeater hub

Wireless splitter-repeater hub

Apparatus and associated methods relate to acoustic-electric sensor system including a main acoustic sensor operably coupled to detect string vibrations of an acoustic-electric instrument and a feedback suppression acoustic sensor configured to primarily detect sound board vibrations of the acoustic-electric stringed instrument at a location with a substantially attenuated string vibration signal relative to its sound board vibration signal. In an illustrative example, a mixing circuit may at least partially cancel out sound board vibration signatures output by the main and feedback suppression acoustic sensors with one another to produce a mixed output signal. The feedback suppression acoustic sensor may be spaced outside of an ellipse substantially centered around a sound board string coupling point. The main acoustic sensor may be arranged in close proximity to receive the string vibration signal. The mixed output signal may substantially reject audio feedback disturbances while retaining the unique characteristic sound of the instrument.


Augmented sensing tower light assembly

Augmented sensing tower light assembly

Apparatus and associated methods relate to a tower light assembly having an output indicator responsive to an onboard sensor in accordance with a predetermined environmental parameter threshold. In an illustrative example, an augmented sensing tower light assembly (ASTLA) may include a light tower assembly having a controller configured to receive status data from monitored equipment. The controller may further receive environmental data from the onboard sensor. In response to the received status data and the received environmental data, the controller may actuate the output indicator in accordance with one or more predetermined criteria. Advantageously, the ASTLA may provide supplemental low-cost sensing capability.


Augmented sensing tower light assembly

Augmented sensing tower light assembly

Apparatus and associated methods relate to a tower light assembly having an output indicator responsive to an onboard sensor in accordance with a predetermined environmental parameter threshold. In an illustrative example, an augmented sensing tower light assembly (ASTLA) may include a light tower assembly having a controller configured to receive status data from monitored equipment. The controller may further receive environmental data from the onboard sensor. In response to the received status data and the received environmental data, the controller may actuate the output indicator in accordance with one or more predetermined criteria. Advantageously, the ASTLA may provide supplemental low-cost sensing capability.


Multifunction Three Quarter Bridge

Multifunction three quarter bridge

Some apparatus and associated methods relate to a buck-derived switched mode power supply with three-quarter bridge (TQB) formed with a bypass switch in parallel with an inductor. In an illustrative example, the bypass switch may be configured to, in response to a decrease in average load demand, operate in a first mode to turn on the bypass switch to selectively circulate inductor current through the bypass switch while a high-side switch and a low-side switch are off. In a second mode, the bypass switch may be turned off to circulate the inductor current through, for example, an output capacitor and the low-side switch. In some implementations of the TQB, the bypass switch may be operated, for example, to selectively transfer a controlled amount of energy stored in the inductor to the output capacitor in response to a decrease in average load demand.


Mobility platform based non-contact voltage detector

Mobility platform based non-contact voltage detector

A non-contact voltage detector module pluggable to a mobile communication device. The non-contact voltage comprises an antenna, a connector configured for connecting to a connector of a mobile communication device, and an assembly coupled to the antenna and the connector. The assembly converts an electromagnetic field received by the antenna to an indication of a strength of the electromagnetic field and transmits the indication of the strength of the electromagnetic field via the connector.



Switched-mode ripple optimization

Switched-mode ripple optimization

Methods and apparatus relate to a minimizing ripple in a polyphase power supply by modulating a voltage pre-regulator output setpoint to minimize ripple performance. In an illustrative example, the modulation may include incrementally adjusting the pre-regulator output setpoint supplied, for example, to a multiphase controller. Some examples may reverse the increment direction in response to determining that the prior incremental adjustment yielded increased ripple. Each phase of the polyphase power supply may include a buck-derived switch-mode power supply connected, for example, to a common output node. 


Switched energy resonant power supply system

Switched energy resonant power supply system

Apparatus and associated methods relate to a switching network that (1) receives energy from an input source that magnetically excites an output winding, (2) stores some of that energy in a series capacitance while delivering power to a resistive load during a first excitation cycle portion, and (3) then injects some of the stored energy back to the input source by injecting current into a tap of the output winding while delivering power to the resistive load and during a second excitation cycle portion.


Dust sensor with mass separation fluid channels and fan control

Dust sensor with mass separation fluid channels and fan control

A particulate matter (PM) sensor. The sensor comprises a mass separation fluid tunnel body defining a fluid inflow channel, a first fluid channel branch opening off of the inflow channel and having a first outlet, a second fluid channel branch opening off of the inflow channel and having a second outlet, and a fluid port between the first fluid channel branch and the second fluid channel branch, a fan located downstream of the first outlet and the second outlet, a photodetector located in the first fluid channel branch, and a computing device coupled to the photodetector having a processor and a memory storing instructions which, when executed by the processor, determines a mass concentration of particles in the first fluid channel branch based on an output of the photodetector.


Pneumatic Distribution System

Pneumatic distribution system using shared pump plenum

Apparatus and associated methods relate to a pneumatic distribution system having pneumatic pump that exhausts
into a common plenum that is in fluid communication with
a plurality of flow controllers. In an illustrative embodiment, a system controller may coordinate the operation of the one
or more pneumatic pumps and the plurality of flow controllers to provide air pressure control to a system of pneumatic
chambers. 



LED light re-direction accessory

LED light re-direction accessory

Apparatus and associated methods relate to development of a LED system with high thermal dissipation power relative to the system weight by the inclusion of open regions. The open regions reduce the weight of the optical system while improving airflow. Associated optics are described to efficiently and evenly distribute the light from an LED by tailoring the optical distribution. In addition, circuitry and methods are described to allow for the LED system to operate with existing power sources such as ballast or offline AC voltage sources or both.



Pest repelling device

Pest repelling device

Apparatus and associated methods relate to a pest repelling magnetic field generating device (PRD) having a temperature sensor to detect the temperature of a solenoid coil during operation. The detected temperature to be used to ensure that the PRD operates within an ideal temperature range. Additionally, a fan is oriented within a housing of the PRD to force the flow of air from inside a housing of the PRD to outside a housing the PRD. In an illustrative example, the PRD may shut off if the temperature of the solenoid coil moves outside the ideal temperature range.



Area-efficient high-accuracy bandgap voltage reference circuit

Area-efficient high-accuracy bandgap voltage reference circuit

An integrated circuit includes a reference voltage circuit. The reference voltage circuit includes a bipolar junction transistor (BJT) configured to receive a first current during a first phase of a clock cycle to generate a first base-emitter junction voltage, and receive a second current during a second phase of the clock cycle to generate a second base-emitter junction voltage. The reference voltage circuit includes a switched capacitor circuit configured to provide a reference voltage associated with the first base-emitter junction voltage and the second base-emitter junction voltage. 



Dual input voltage constant power indicator

Dual input voltage constant power indicator

Apparatus and associated methods relate to a dual-input voltage range compatible light adapted to reconfigure two light elements in series or in parallel and make corresponding current limit adaptations, in response to the input voltage entering one of two predetermined ranges. In an illustrative example, the lighting elements may be strings of LEDs. The current limit may be regulated, for example, by two linear current regulators. In various examples, the current through each of the light elements may be maintained at a predetermined current level independent of the input voltage range. 



Variable differential transformer position sensor with a trapezoidal primary coil

Variable differential transformer position sensor with a trapezoidal primary coil

A transformer includes a bobbin, a primary coil, and a pair of secondary coils. The bobbin has an axial bore formed therein. The primary coil is wound on the bobbin and is adapted to be electrically excited with an excitation signal. The secondary coils are disposed adjacent to the primary coil, and are inductively coupled to the primary coil upon electrical excitation of the primary coil. The primary coil is wound on the bobbin such that at least a portion of the primary coil has a cross section shape that is a trapezoid.



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Measuring Components of Jitter

Apparatus and associated systems, methods and computer program products relate to isolating horizontal jitter component(s) from vertical jitter component(s). In preferred embodiments, at least one horizontal component of jitter is distinguished from at least one component of vertical jitter by fitting a curve to a digitally acquired waveform, determining the curve slope and statistical variance about the fitted curve over at least one time period, identifying a functional relationship between the variance and slope, and determining therefrom at least one horizontal component of jitter and at least one vertical component of jitter. 



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Use of 8-bit or higher A/D for NAND cell value

A system and method, including computer software, for storing digital information uses multiple NAND flash memory cells. Each memory cell is adapted to receive charge during a write operation to an analog voltage that corresponds to a data value having a binary representation of more than 4 bits. An analog-to-digital converter converts the analog voltage from each memory cell into a digital representation of the analog voltage during a read operation of each cell.




Current Waveform Construction to Generate AC Power

Current Waveform Construction to Generate AC Power

Methods and apparatus to provide low harmonic distortion AC power for distribution by converting energy from natural or renewable sources into electrical form, and constructing a current waveform on a primary winding of a transformer by recapturing inductive energy previously stored in the transformer so as to transform the converted electrical energy into substantially sinusoidal AC voltage at a secondary winding of the transformer. 




Litigation quality patent

User Interface for Maintaining Categorization Schemes

A graphical user interface (GUI) tool for maintaining categorization schemes includes a categorization area that displays user-input fields which may be used to define a number of categories and a number of links that form a categorization scheme. The categorization scheme is organized to enable the computer-executed process to categorize the data. The categorization causes the selection of categories that correspond to the data. The selection is made by making a category determination beginning at the top level and proceeding to the children of categories that correspond to the data.




Automated Pharmacy admixture system

Automated pharmacy admixture system (APAS)

An Automated Pharmacy Admixture System (APAS) may include a manipulator that transports medical containers such as bags, vials, or syringes about a substantially aseptic admixing chamber. In a preferred implementation, a gripper assembly is configured to substantially universally grasp and retain syringes, IV bags, and vials of varying shapes and sizes. In an illustrative embodiment, a gripping device may include claws configured to grasp a plurality of different types of IV bags, each type having a different fill port configuration. 




Craige Thompson, JD, EE, PE, Patent Attorney

Craige Thompson JD, EE, PE Patent Attorney Author of Amazon #1 Best seller, Patent Offense

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