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Class Information
Number: 363/78
Name: Electric power conversion systems > Current conversion > With condition responsive means to control the output voltage or current > Cooperating separate sensing and control means
Description: Subject matter wherein the system includes means to sense a condition and to operate in conjunction with a separate means to regulate the output voltage or current.

Sub-classes under this class:

Class Number Class Name Patents
363/95 For inverter 502
363/84 For rectifier system 157
363/79 Including plural sensing or control means 174

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
5943227 Programmable synchronous step down DC-DC converter controller Aug. 24, 1999
5889666 Method and apparatus for controlling providing of conditioned AC power Mar. 30, 1999
5886514 Piezoelectric transformer driving curcuit and method capable of stabilizing load current Mar. 23, 1999
5847950 Control system for a power supply Dec. 8, 1998
5790392 Intelligent power supply with staged loading capability Aug. 4, 1998
5768117 Power supply system for supplying electric power to a load through plural converters Jun. 16, 1998
5764503 Method and apparatus for providing conditioned AC voltage using current and voltage sensing Jun. 9, 1998
5751118 Universal input dimmer interface May. 12, 1998
5699236 High-voltage stabilization circuit of a monitor Dec. 16, 1997
5690849 Current control circuit for improved power application and control of thermoelectric devices Nov. 25, 1997
5627740 Low dissipation current sensing system for a switched DC power supply May. 6, 1997
5508907 Chopper control apparatus Apr. 16, 1996
5452198 Apparatus and method for A/C voltage sensing Sep. 19, 1995
5450307 Switching power source apparatus Sep. 12, 1995
5309349 Current detection method for DC to three-phase converters using a single DC sensor May. 3, 1994
5285367 Linear load circuit to control switching power supplies under minimum load conditions Feb. 8, 1994
4974140 Voltage stability discrimination system for power systems Nov. 27, 1990
4935858 Auxiliary output regulation technique for power supplies Jun. 19, 1990
4827366 Bi-polar power supply regulator bi-polar power supply regulator May. 2, 1989
4779027 DC to DC converter with overvoltage protection circuit Oct. 18, 1988
4775925 Method and apparatus for determining the control electrode to cathode junction voltage of a control turn-off semiconductor device and use of such determined voltage in the control of the devic Oct. 4, 1988
4684851 DC/AC converter for feeding a metal vapor discharge tube Aug. 4, 1987
4525648 DC/AC Converter with voltage dependent timing circuit for discharge lamps Jun. 25, 1985
4376969 Control signal and isolation circuits Mar. 15, 1983
4335445 System for interfacing computers with programmable power supplies Jun. 15, 1982
4317975 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time Mar. 2, 1982
4222098 Base drive for paralleled inverter systems Sep. 9, 1980
4177508 Apparatus for balancing an asymmetrical load Dec. 4, 1979
4145592 Induction heating apparatus with means for detecting zero crossing point of high-frequency oscillation to determine triggering time Mar. 20, 1979
4032833 Chopper control device Jun. 28, 1977
3984750 Alternator-rectifier unit with phase winding and rectifier sets subject to series-parallel switching Oct. 5, 1976
3942090 Control process for operating a parallel-resonant circuit inverter that supplies an inductive charge, as well as the parallel-resonant circuit inverter operated by this method Mar. 2, 1976

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