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Class Information
Number: 363/21.15
Name: Electric power conversion systems > Current conversion > Including d.c.-a.c.-d.c. converter > Having transistorized inverter > Single-ended, separately-driven type > With automatic control of the magnitude of output voltage or current > For flyback-type converter > Having feedback isolation (e.g., optoisolator, transformer coupled, etc.)
Description: Subject matter further including means for obtaining a signal indicative of a condition under the control of the means for regulating, and means for communicating said signal to the means for regulating, wherein said means for communicating includes means for preventing direct electrical (i.e., ohmic) conduction between said means for obtaining and said means for regulating.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8441816 Controller for a switched mode power supply (SMPS), a SMPS, and a method of controlling a SMPS May. 14, 2013
8437154 Method and apparatus for varying a duty cycle of a power supply controller responsive to multiple linear functions over a range of values of a feedforward signal May. 7, 2013
8427850 Switching power supply device with a switching control circuit Apr. 23, 2013
8416589 Method for operating a DC-DC converter in current-mode control Apr. 9, 2013
8395329 LED ballast power supply having digital controller Mar. 12, 2013
8391027 Quasi-resonant power supply controller and method therefor Mar. 5, 2013
8385088 Method and apparatus for implementing an unregulated dormant mode with output reset in a power converter Feb. 26, 2013
8379414 Power transistor chip with built-in enhancement mode metal oxide semiconductor field effect transistor and application circuit thereof Feb. 19, 2013
8374004 Isolated AC-DC converter with master controller on secondary side and slave controller on primary side Feb. 12, 2013
8369111 Ultra low standby consumption in a high power power converter Feb. 5, 2013
8358517 Switching power conversion circuit and power supply using same Jan. 22, 2013
8358518 Switching regulator having terminal for feedback signal inputting and peak switching current programming Jan. 22, 2013
8351223 Temperature compensation in output feedback of a flyback power converter Jan. 8, 2013
8339815 Frequency modulation controller, switch mode power supply including the same, and switching operation frequency modulation method Dec. 25, 2012
8339809 Switching power supply device Dec. 25, 2012
8320139 Switching regulator with frequency limitation and method thereof Nov. 27, 2012
8274800 DC-DC switching power supply with power factor correction Sep. 25, 2012
8248826 Method for controlling a switching regulator and related switching regulator Aug. 21, 2012
8238124 Dual-mode constant load control circuits and associated methods Aug. 7, 2012
8228692 Systems and methods for adaptive switching frequency control in switching-mode power conversion systems Jul. 24, 2012
8199537 Detecting light load conditions and improving light load efficiency in a switching power converter Jun. 12, 2012
8193738 Dimmable LED device with low ripple current and driving circuit thereof Jun. 5, 2012
8169803 Power transistor chip with built-in junction field effect transistor and application circuit thereof May. 1, 2012
8164927 Switch control device and switch control method Apr. 24, 2012
8159839 Method and apparatus for implementing an unregulated dormant mode in a power converter Apr. 17, 2012
8149601 Adaptive slope compensation method for stabilizing a continuous conduction mode converter Apr. 3, 2012
8143810 Drive device for LEDs and related method Mar. 27, 2012
8125797 Radiation tolerant electrical component with non-radiation hardened FET Feb. 28, 2012
8125800 Secondary-side amplifier with soft start Feb. 28, 2012
8125801 Method and apparatus for increasing the power capability of a power supply Feb. 28, 2012
8085559 Current mode control for resonant converter circuits Dec. 27, 2011
8085558 Resonant converter Dec. 27, 2011
8085560 Power supply apparatus Dec. 27, 2011
8077487 Using output drop detection pulses to achieve fast transient response from a low-power mode Dec. 13, 2011
8054656 Switching control circuit for a switching power converter Nov. 8, 2011
8040699 Secondary side constant voltage and constant current controller Oct. 18, 2011
8035999 Isolating self-oscillation flyback converter Oct. 11, 2011
8027174 Adapter power supply Sep. 27, 2011
8009447 Energy effective switching power supply apparatus and an energy effective method thereof Aug. 30, 2011
8004863 Circuit device and method of providing feedback across an isolation barrier Aug. 23, 2011
7952895 Method and apparatus for implementing an unregulated dormant mode in a power converter May. 31, 2011
7940535 Discharge lamp lighting device for lighting discharge lamps May. 10, 2011
7902767 AC inverter capable of driving multiple lamps for LCD panel backlight Mar. 8, 2011
7894212 Switching power supply device Feb. 22, 2011
7889521 Three-pin integrated synchronous rectifier and a flyback synchronous rectifying circuit Feb. 15, 2011
7881077 PWM controller with output current limitation Feb. 1, 2011
7869231 System and method for synchronous rectifier drive that enables converters to operate in transition and discontinuous mode Jan. 11, 2011
7855899 Controller with loop impedance modulation for power converter Dec. 21, 2010
7852641 Power supply apparatus having multiple outputs Dec. 14, 2010
7852640 System and method for providing control for switch-mode power supply Dec. 14, 2010

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