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Patent Searching and Data


Title:
PHOTO SENSOR
Document Type and Number:
Japanese Patent JPS533094
Kind Code:
A
Abstract:
PURPOSE:The output signals of photo sensing diodes are stabilized by maintaining the ambient temperature of the block containing light emitting and sensing diodes at a constant temperature.

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Inventors:
IMAMURA TOMOATSU
Application Number:
JP7685576A
Publication Date:
January 12, 1978
Filing Date:
June 29, 1976
Export Citation:
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Assignee:
RICOH KK
International Classes:
G05D3/12; H01L31/12; H01L31/18; (IPC1-7): H01L31/18