217860 ⎘
Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current
VOLTAGE CONVERTER AND POWER SUPPLY SYSTEM
#2FIXED FREQUENCY RESONANT INVERTER
#3OUTPUT STABILIZING CIRCUIT AND DC/DC CONVERTER CIRCUIT
#4FIXED FREQUENCY RESONANT INVERTER
#5CONTROLLER AND SELF-OSCILLATION DC-DC CONVERTER INCLUDING THE CONTROLLER
#6Integrated circuit and power supply circuit
#7Resonant converter and controlling method thereof
#8High-frequency power supply device
#9Linear voltage regulator circuit and multiple output voltages
#10Systems, methods, and apparatus for dead-time control in resonant converters
#11Switch-mode power supplies including three-level LLC circuits for low line and high line operation
#12Switch-mode power supplies including three-level LLC circuits
#13Switch-mode power supplies including three-level LLC circuits for low line and high line operation
#14Switching control for power converters
#15Method for controlling discharge of power storage device
#16PRIMARY CONTROLLER APPLIED TO A PRIMARY SIDE OF A POWER CONVERTER AND OPERATIONAL METHOD THEREOF
#17DC/DC converter comprising a transformer and transmission and recovery of a signal thereacross
#18SWITCHING POWER SUPPLY AND AMPLIFICATION DEVICE
#19DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods
#20Discharge circuit and power storage device
#21Switched-mode power supply and method for operating a switched-mode power supply
#22Switching power supply circuit having a switching circuit and a coil current emulation circuit
#23Power converter and an LED lighting circuit comprising the same
#24Resonant converter with power factor correction and controller used therein
#25Gate drive apparatus for resonant converters
#26Power supply control unit and isolation type switching power supply device
#27Flyback converter and controlling method thereof
#28Overvoltage protection circuit
#29Self-oscillating energy extraction and utilization booster module circuits
#30Self-oscillating resonant power converter
#31Power converter measuring the average rectified primary current
#32Micro-energy harvester for battery free applications
#33Gate drive apparatus for resonant converters
#34Power supply system
#35Method and apparatus for transferring electrical power
#36Power supply apparatus and image forming apparatus
#37Gate drive apparatus for resonant converters
#38Method and apparatus for transferring electrical power by means of capacitive coupling
#39SELF-OSCILLATING LOOP BASED PIEZOELECTRIC POWER CONVERTER
#40Switching power supply device
#41Power supply apparatus and image forming apparatus
#42Power supply apparatus and image forming apparatus
#43Regulating controller for controlled self-oscillating converters using bipolar junction transistors
#44Regulating Controller for Controlled Self-Oscillating Converters Using Bipolar Junction Transistors
#45Low power switch mode power supply
#46Switching power supply apparatus and image forming apparatus
#47Switching power source and image forming apparatus having the same
#48Switching power adaptor circuit
#49Power supply having a voltage monitoring circuit
#50CURRENT-CONTROLLED SELF-OSCILLATING FLYBACK CONVERTER WITH TWO TRANSISTORS
#51CONTROL MODE FOR ZVS CONVERTER AT RESONANT OPERATING FREQUENCIES
#52Power supply
#53POWER SUPPLY APPARATUS
#54Switching power supply device
#55Method and device for regulating a resonant inverter equipped with such a device
#56Isolating self-oscillation flyback converter
#57Power supply circuit and power supply system
#58Contactless power transmission circuit
#59Power supply apparatus and image forming apparatus
#60AC/DC POWER CONVERTER
#61Switching power supply circuit
#62Method and apparatus to improve regulation of a power supply
#63DC to DC converter
#64Self-oscillating switching regulator
#65Forward-forward converter
#66Power supply
#67Method and apparatus to improve regulation of a power supply
#68Method and circuit for controlling a switched-mode power supply
#69Bipolar power supply system
#70High-voltage generator
#71POWER SUPPLY DEVICE AND ELECTRIC APPLIANCE PROVIDED THEREWITH
#72Driver arrangement for LED lamps
#73Negative current compensation method and circuit
#74Method and Circuit Arrangement for Optimising Maximum Current Limitation in the Primary Switch of a Switched Mode Power Supply, and a Power Supply
#75Self exited oscillation converter providing a stable output voltage from a wide range of input voltages
#76Step up switching converter
#77Switching power supply circuit
#78Switching power source apparatus
#79Switched mode power supply having a control circuit for setting the switching frequency of the primary side switch in a linear relationship to a measurement voltage produced from the auxiliary voltage
#80Method and apparatus to improve regulation of a power supply
#81Capacitor charging circuitry and methodology implementing controlled on and off time switching
#82Switching power supply circuit
#83Switching power supply circuit
#84Power supply
#85Switching power supply circuit
#86Switching power supply circuit
#87Switching power supply device and switching power supply system
#88Simple switched-mode power supply with current and voltage limitation
#89Switching power supply circuit
#90Switching power supply device and switching power supply system
#91Switching power supply
#92Power supply device
#93Power converter having temperature compensated output power
#94AC/DC power converter
#95Device for converting an AC voltage from a main electricity supply to a DC voltage at a predetermined level and waveform
#96Switching power supply circuit
#97Soft switching high efficiency flyback converter
#98High voltage power supply
#99Method for operating a switching converter and drive circuit for driving a switch in a switching converter
#100Switching power supply using controlled negative feedback in series with a switching device and responsive to the voltage and/or current to a load
#101Switching power supply using controlled negative feedback in series with a switching device and responsive to the voltage and/or current to a load
#102Flip-flop based self-oscillating power supply
#103DC/DC converter including a Zener diode having a substantially zero temperature coefficient
#104Noise reduction in a power converter
#105Switching-bursting method and apparatus for reducing standby power and improving load regulation in a DC—DC converter
#106Frequency control method for self-oscillating circuit
#107Synchronous rectifier controller integrated circuits
#108Constant current source based on self-oscillating soft-switching LLC converter topology
#109Dimmable LED driver based on self-oscillating soft-switching LLC series resonant inverter topology
#110Dimmable LED driver based on parallel resonant current fed self-oscillating topology