Image sensor

Details Image sensor Image sensor

2009-02-25

2011-10-11

Spector, David N (Department: 2873)

Television

Camera, system and detail

Solid-state image sensor

C348S294000, C250S208100

Reexamination Certificate

active

08035715

ABSTRACT:
Provided is an image sensor that may reduce the number of external terminals for downsizing of a chip, generate a write signal (RE) of a Y address with one pulse, and employ an external circuit having the same configuration as that of the conventional example. The image sensor uses an X-Y address scanning system in a pixel element matrix, and includes: a register latch that sets a Y address for selection of a row according to a write signal; a Y address register that decodes a Y address data from the register latch to output a Y address signal for selection of the row in the pixel element matrix; and an X address control unit that generates an X address signal for selection of a column. The register latch brings the Y address register into a disenable state so as to cause the Y address register not to output the Y address signal at timing at which the write signal is input to the Y address register, and brings the Y address register into an enable state so as to cause the Y address register to output the Y address signal at timing at which the input of the write signal is completed and the Y address data is written into the Y address register.

REFERENCES:
patent: 5369618 (1994-11-01), Takasugi
patent: 5838622 (1998-11-01), Liu et al.
patent: 2003-87660 (2003-03-01), None

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