Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Patent
1996-09-27
1998-01-06
Hecker, Stuart N.
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
363 95, G05F 140
Patent
active
057059209
ABSTRACT:
A power supply apparatus which stabilizes the output by feeding it back is provided which suppresses variations of the output for abrupt variations of the input. The power supply apparatus comprises output sensing means for sensing output current and output voltage, first output control means for controlling the output with the increment or decrement of the value obtained from said output sensing means, second output control means for controlling the output from an absolute value of the input voltage, and selection means for selecting either said first output control means or said second output control means. The power supply apparatus further comprises means for detecting the variation rate of the input voltage, first monitor means for monitoring the difference between the output value of said output sensing means and the reference value, and second monitor means for monitoring both the difference between the output value of said output sensing means and a reference value, and the input voltage variation rate.
REFERENCES:
patent: 4618812 (1986-10-01), Kawakami
patent: 4626769 (1986-12-01), Valley et al.
patent: 4629970 (1986-12-01), Johansson
patent: 5055767 (1991-10-01), Nelson
patent: 5483463 (1996-01-01), Qin et al.
patent: 5594323 (1997-01-01), Herfurth et al.
Ikeda Ryuichi
Kawabata Kenji
Matsumoto Shuzo
Okada Takashi
Sugino Motohiro
Hecker Stuart N.
International Business Machines - Corporation
Murray James E.
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