Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1990-05-02
1990-12-11
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
358482, H01J 4014, H04N 1024
Patent
active
049773135
ABSTRACT:
In a contact-type image sensor for use in a facsimile equipment or the like, the surface of the sensor is provided with a transparent film which is electroconductive and of which the surface that is in contact with the sensor elements is formed as a roughened surface capable of scattering light. By virtue of the provision of this film, static electricity generated during the running of the original is prevented from causing fluctuations in the sensor output voltage. In addition, light reflected by the surface of the transparent film is prevented from becoming directly incident on the sensor elements and, hence, from causing abnormal increases in the sensor output.
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Nikkei Electronics No. 434, 11/87, pp. 207-221.
Hara Eiichi
Nagata Tatsuya
Watanabe Michihiro
Yamada Takehiko
Hitachi , Ltd.
Messinger Michael
Nelms David C.
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