Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-07-19
2005-07-19
Cunningham, Terry D. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S543000, C327S544000, C323S316000
Reexamination Certificate
active
06919757
ABSTRACT:
To provide a voltage regulator capable of securely being turned off even if the regulator is used under a high temperature and an impedance of an external load is large. A voltage regulator is provided, which includes a voltage divider circuit that can divide a potential difference between an output voltage terminal and a reference terminal, wherein when the voltage divider circuit inputs an on signal, the voltage divider circuit outputs a constant voltage between the output voltage terminal and the reference terminal, and wherein when the voltage divider circuit inputs an OFF signal, the voltage divider circuit can reduce the impedance thereof.
REFERENCES:
patent: 5194762 (1993-03-01), Hara et al.
patent: 5335203 (1994-08-01), Ishii et al.
patent: 6011428 (2000-01-01), Tsukude et al.
patent: 6650097 (2003-11-01), Sakurai
Adams & Wilks
Cunningham Terry D.
Seiko Instruments Inc.
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