Photo coupler with static induction transistor type detector
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United States of America Patent
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-
Dec 16, 1986
Grant Date -
N/A
app pub date -
Jul 29, 1983
filing date -
Nov 30, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention has for its object to provide a photo coupler which is operable with high sensitivity, high speed, low voltage and small current. To this end, a photo detector (13, 20, 33), which is coupled with one light emitting element (11, 21, 31) through a light transparent insulator, is formed by any one of a static induction transistor, field effect transistor and a static induction transistor.
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