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Class Information
Number: 320/166
Name: Electricity: battery or capacitor charging or discharging > Capacitor charging or discharging
Description: Subject matter for increasing or decreasing the amount of stored electrical energy in a capacitor.










Sub-classes under this class:

Class Number Class Name Patents
320/167 For large capacitance (e.g., "super" capacitor, memory backup capacitor, etc.) 153


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8710793 Electrical converter with variable capacitor Apr. 29, 2014
8710804 Discharge circuit and method Apr. 29, 2014
8710805 Squib control circuit Apr. 29, 2014
8710806 Apparatus and method for discharging capacitor of input filter of power supply, and power supply including the apparatus Apr. 29, 2014
8704494 Circuit topology for pulsed power energy harvesting Apr. 22, 2014
8686694 Discharge circuit for smoothing capacitor of DC power supply Apr. 1, 2014
8674631 Power conversion apparatus and method of controlling capacitor voltage of power conversion apparatus Mar. 18, 2014
8674664 Charge controller Mar. 18, 2014
8674540 Electronic system having resistors serially connected Mar. 18, 2014
8663105 Ingestible devices for measuring physiological parameters Mar. 4, 2014
8644039 Voltage multiplying circuit utilizing no voltage stabling capacitors Feb. 4, 2014
8643340 Powering a circuit by alternating power supply connections in series and parallel with a storage capacitor Feb. 4, 2014
8643343 Electronic circuit with capacitor Feb. 4, 2014
8638634 Apparatus and method to measure energy capacity of a backup power supply without compromising power delivery Jan. 28, 2014
8638062 Wireless charging system Jan. 28, 2014
8633669 Electrical circuit for controlling electrical power to drive an inductive load Jan. 21, 2014
8624561 Power conversion having energy storage with dynamic reference Jan. 7, 2014
8624562 Method and apparatus for implementing a power converter input terminal voltage discharge circuit Jan. 7, 2014
8618819 Capacitance detector Dec. 31, 2013
8614596 Systems and methods for initializing a voltage bus and medical devices incorporating same Dec. 24, 2013
8612073 Electric vehicle inverter apparatus and protection method therefor Dec. 17, 2013
8593085 Device for charging accumulator means Nov. 26, 2013
8593113 Supercapacitor backup power supply with bi-directional power flow Nov. 26, 2013
8593837 Power supply device and method, based on power supply mode, for image forming apparatus Nov. 26, 2013
8587263 System and method for charging capacitors using automatic cell balancing Nov. 19, 2013
8564252 Boost buffer aid for reference buffer Oct. 22, 2013
8558514 Detector for electromagnetic fields Oct. 15, 2013
8552687 Method and system for characterizing a battery Oct. 8, 2013
8553159 Radio frequency powered remote control Oct. 8, 2013
8547067 Circuit arrangement and method for detecting a charge Oct. 1, 2013
8547070 Methods for manufacturing and operating a semiconductor device Oct. 1, 2013
8541987 Low loss discharge circuits for EMI filter capacitors Sep. 24, 2013
8541121 Quenching system Sep. 24, 2013
8536838 Capacitance check and voltage monitoring circuit for use with a circuit protection device Sep. 17, 2013
8537569 Stored energy dissipating circuits and methods for switched mode power supplies Sep. 17, 2013
8531155 Portable electronic device and capacitive charger providing data transfer and associated methods Sep. 10, 2013
8525469 System and method using capacitors to power a camera having a motion sensor Sep. 3, 2013
8525487 Circuit and method for regulating discharge of a capacitor Sep. 3, 2013
8525488 Method and device for charging a capacitive element Sep. 3, 2013
8519677 Electrostatic power harvesting Aug. 27, 2013
8519678 Solar battery charging controller Aug. 27, 2013
8497663 Charging device Jul. 30, 2013
8493036 Controllable charge paths, and related methods Jul. 23, 2013
8493037 Energy capture circuit Jul. 23, 2013
8487922 Capacitive load drive circuit and display device including the same Jul. 16, 2013
8487591 Power control system with power drop out immunity and uncompromised startup time Jul. 16, 2013
8482229 Controlling method of switches of switching arms, notably for charging accumulation means, and corresponding charging device Jul. 9, 2013
8482230 Electric device for driving mechanical equipment and associated method Jul. 9, 2013
8482263 Rapid transfer of stored energy Jul. 9, 2013
8466670 Pulsed power supply Jun. 18, 2013

1 2 3 4 5 6 7 8 9 10 11










 
 
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