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Patent Searching and Data


Title:
イメージセンサアレイの欠陥の検出システム
Document Type and Number:
Japanese Patent JP3988848
Kind Code:
B2
Abstract:
A test circuit incorporated as part of an image sensor array having a plurality of image sensors and associated transfer circuits includes a test line associated with each photosensor. In a test mode, a signal output from a photosensor can be substituted with a predetermined voltage from an external source. By providing a predetermined test voltage to the transfer circuits and then reading out signals from the transfer circuits, faults in the transfer circuits can be isolated from faults in the photosensors.

Inventors:
Scott El Twinkle
Jagdish Sea Tan Dong
Paul A Hosier
Application Number:
JP26170298A
Publication Date:
October 10, 2007
Filing Date:
September 16, 1998
Export Citation:
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Assignee:
XEROX CORPORATION
International Classes:
G01R31/28; H04N1/028; H01L27/14; H04N17/00
Domestic Patent References:
JP60224368A
JP3001450U
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Shishido Kaichi
Hideto Takeuchi
Toshio Imajo
Nobuo Ogawa
Village shrine Atsuo