Drive unit for transferring CCD charge

Details Drive unit for transferring CCD charge Drive unit for transferring CCD charge

2006-05-30

2006-05-30

Vu, Ngoc-Yen (Department: 2612)

Television

Camera, system and detail

Solid-state image sensor

C348S211140

Reexamination Certificate

active

07053950

ABSTRACT:
The number of terminals for a timing signal generating device and the vertical drive device for a solid-state image pickup element is to be reduced, and at the same time the circuit dimensions of the timing signal generating device and the vertical drive device which are increased by the reduction in the number of terminals are to be kept to the minimum. A timing signal generating circuit is provided with a time-division multiplexing circuit, and this time-division multiplexing circuit subjects timing signals vertical transfer pulses and timing signals for read pulses to time-division multiplexing. On the other hand, a vertical driver is provided with a demultiplexing circuit, and the demultiplexing circuit separates four-bit signals subjected to time-division multiplexing into the original timing signals and timing signals. This enables the number of terminals (the number of signal lines) of the timing signal generating circuit and the time-division multiplexing circuit to be reduced.

REFERENCES:
patent: 5293240 (1994-03-01), Matsunaga
patent: 5422670 (1995-06-01), Fukui
patent: 5696553 (1997-12-01), D'Alfonso et al.
patent: 5986702 (1999-11-01), Maki
patent: 6005629 (1999-12-01), Douche et al.
patent: 6075565 (2000-06-01), Tanaka et al.
patent: 6477184 (2002-11-01), Ishikawa
patent: 6496224 (2002-12-01), Ueno
patent: 6856352 (2005-02-01), Kijima
patent: 10042176 (1998-02-01), None
patent: 2002-64753 (2002-02-01), None

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