Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1996-11-04
1998-07-07
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
358482, 358483, 348311, 348312, 2502081, G05F 110
Patent
active
057775087
ABSTRACT:
A voltage-controller is used for controlling a CCD (charge couple device) image sensor including an n-type semiconductor substrate and a p-type semiconductor layer formed on a main surface thereof. Charges stored in the layer are swept therefrom to the substrate in accordance with a differential potential therebetween. The voltage-controller comprises a pulse signal controlling circuit, for outputting driver signals to transfer signal charges from the image sensor, and for outputting a pulse voltage to the substrate. A power source is provided for supplying positive and negative voltages to the pulse signal controlling circuit through a first power line and a second power line to control the outputs thereof. A discharging circuit is provided in the second power line to selectively ground the same upon termination of the output of the negative voltage supplied from the power source.
REFERENCES:
patent: 4845568 (1989-07-01), Hieda et al.
patent: 5036397 (1991-07-01), Nagabusa
patent: 5095226 (1992-03-01), Tani
patent: 5282041 (1994-01-01), Tani et al.
patent: 5350995 (1994-09-01), Iketani
patent: 5469484 (1995-11-01), Sato et al.
Asahi Kogaku Kogyo Kabushiki Kaisha
Callahan Timothy P.
Kim Jung Ho
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