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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
8693218 Power adapter and method of controlling power adapter operated in energy saving mode Apr. 8, 2014
8693219 Power factor improvement circuit with phase adjustment and current gain reduction Apr. 8, 2014
8659916 Control circuit with ZVS-lock and asymmetrical PWM for resonant power converter Feb. 25, 2014
8654546 Method and apparatus for controlling resonant power converter Feb. 18, 2014
8655216 Switching power supply device and image forming apparatus including switching power supply device Feb. 18, 2014
8649191 Synchronous rectifier having phase lock circuit coupled to feedback loop for resonant power converters Feb. 11, 2014
8634213 Power supply circuit with a control terminal for different functional modes of operation Jan. 21, 2014
8634212 Controller and controlling method for power converter Jan. 21, 2014
8630102 Ultra low standby consumption in a high power power converter Jan. 14, 2014
8625309 Semiconductor integrated circuit and switching power supply system Jan. 7, 2014
8619441 Switching regulator Dec. 31, 2013
8605468 Switching power supply and image forming apparatus with EMF reduction of the current sense circuit Dec. 10, 2013
8599582 Method and apparatus for implementing an unregulated dormant mode with output reset in a power converter Dec. 3, 2013
8593833 Method and apparatus for a flyback power converter providing output voltage and current regulation without input capacitor Nov. 26, 2013
8587967 System and method for indirect control of a converter output Nov. 19, 2013
8587970 Isolated switching power supply apparatus including primary-side and secondary-side digital control circuits Nov. 19, 2013
8582324 Pulse width modulation controller and method for output ripple reduction of a jittering frequency switching power supply Nov. 12, 2013
8582327 Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal Nov. 12, 2013
8582328 Power supply circuit and method thereof Nov. 12, 2013
8576585 Power device Nov. 5, 2013
8576584 Switching control circuit and switching power supply device Nov. 5, 2013
8537573 System and method for providing control for switch-mode power supply Sep. 17, 2013
8537574 Power source controlling semiconductor integrated circuit and insulated direct-current power source device Sep. 17, 2013
8519693 Method and apparatus for implementing an unregulated dormant mode in a power converter Aug. 27, 2013
8520415 Multi-function feedback using an optocoupler Aug. 27, 2013
8503196 Feedback circuit and control method for an isolated power converter Aug. 6, 2013
8498135 Switching mode power supply with spectrum shaping and the method thereof Jul. 30, 2013
8488341 Switching mode power supply for reducing power consumption in a waiting mode Jul. 16, 2013
8482939 Power supply Jul. 9, 2013
8482941 Method for operating a switched mode power supply with return of primary-side stray energy Jul. 9, 2013
8472214 Control circuit and method for efficient flyback power converter under light load Jun. 25, 2013
8456871 Method and apparatus for increasing the power capability of a power supply Jun. 4, 2013
8446134 High efficiency AC/DC power supply May. 21, 2013
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
8358518 Switching regulator having terminal for feedback signal inputting and peak switching current programming Jan. 22, 2013
8358517 Switching power conversion circuit and power supply using same Jan. 22, 2013
8351223 Temperature compensation in output feedback of a flyback power converter Jan. 8, 2013
8339809 Switching power supply device Dec. 25, 2012
8339815 Frequency modulation controller, switch mode power supply including the same, and switching operation frequency modulation method 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

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