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Browse by Category: Main > Electrical & Energy
Class Information
Number: 323/269
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Including plural final control devices > Linearly acting parallel connected
Description: Subject matter wherein the plural devices are connected in parallel and are operated in their linear range.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
6222353 Voltage regulator circuit Apr. 24, 2001
6181117 Power supply circuit of an electronic component in a test machine Jan. 30, 2001
6172490 Precise rail tracking method for powering dual voltage integrated circuits Jan. 9, 2001
6160490 Apparatus for improving the battery life of a selective call receiver Dec. 12, 2000
6144194 Polyphase synchronous switching voltage regulators Nov. 7, 2000
6140804 Converter for a DC power supply having a input resistance in series with a DC regulatory circuit Oct. 31, 2000
6137273 Circuit for supplying a high precision current to an external element Oct. 24, 2000
6104176 Voltage regulator and method of voltage regulation Aug. 15, 2000
6084384 Power supply circuit with auxiliary constant voltage circuit inhibit feature Jul. 4, 2000
6049200 Voltage regulator capable of lowering voltage applied across phase compensating capacitor Apr. 11, 2000
6031362 Method and apparatus for feedback control of switch mode power supply output to linear regulators Feb. 29, 2000
6020727 Setting of a linear regulator to stand-by Feb. 1, 2000
6014019 Converter for a DC power supply having an input resistance in series with a DC regulating circuit Jan. 11, 2000
5977755 Constant-voltage power supply circuit Nov. 2, 1999
5973484 Voltage regulator circuit for semiconductor memory device Oct. 26, 1999
5945815 Current sharing apparatus and method for controlling parallel power devices Aug. 31, 1999
5945814 Method and apparatus for a low voltage high current bi-directional termination voltage regulator Aug. 31, 1999
5828205 Integrated circuit with an onboard regulator having an optional external pass transistor Oct. 27, 1998
5747974 Internal supply voltage generating circuit for semiconductor memory device May. 5, 1998
5736881 Diode drive current source Apr. 7, 1998
5717319 Method to reduce the power consumption of an electronic device comprising a voltage regulator Feb. 10, 1998
5672958 Method and apparatus for modifying feedback sensing for a redundant power supply system Sep. 30, 1997
5637991 Power supply including a detection and switch system for uni-plane and split-plane devices Jun. 10, 1997
5629609 Method and apparatus for improving the drop-out voltage in a low drop out voltage regulator May. 13, 1997
5608312 Source and sink voltage regulator for terminators Mar. 4, 1997
5608313 Circuit arrangement for generating a constant output voltage Mar. 4, 1997
5587648 Power supply circuit for generating an internal power supply potential based on an external potential Dec. 24, 1996
5550461 System for operating a plurality of power supply modules in parallel Aug. 27, 1996
RE35313 Semiconductor integrated circuit with voltage limiter having different output ranges from normal operation and performing of aging tests Aug. 13, 1996
5528127 Controlling power dissipation within a linear voltage regulator circuit Jun. 18, 1996
5525895 Power supply for portable telephone Jun. 11, 1996
5512814 Voltage regulator incorporating configurable feedback and source follower outputs Apr. 30, 1996
5483436 Gate drive power supply operable from a source of unregulated DC electric power Jan. 9, 1996
5467009 Voltage regulator with multiple fixed plus user-selected outputs Nov. 14, 1995
5280233 Low-drop voltage regulator Jan. 18, 1994
5258701 DC power supply Nov. 2, 1993
5258653 Power efficient voltage to current coverter Nov. 2, 1993
5200692 Apparatus for limiting current through a plurality of parallel transistors Apr. 6, 1993
5164653 Battery discharge control system Nov. 17, 1992
5144117 Illumination type optical recorded information reading device Sep. 1, 1992
5083042 Unplugging apparatus Jan. 21, 1992
5068592 Detector of the regulated voltage two wire type Nov. 26, 1991
5025203 Circuit for use with a voltage regulator Jun. 18, 1991
5012178 Low noise DAC current source topology Apr. 30, 1991
4920309 Error amplifier for use with parallel operated autonomous current or voltage regulators using transconductance type power amplifiers Apr. 24, 1990
4916389 Semiconductor integrated circuit with voltage limiter having different output ranges from normal operation and performing of aging tests Apr. 10, 1990
4814931 Apparatus and method for timed-de-icing Mar. 21, 1989
4792745 Dual transistor output stage Dec. 20, 1988
4736152 Load current interference reducing apparatus Apr. 5, 1988
4684877 Electrical system utilizing a concentric collector PNP transistor Aug. 4, 1987

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