Initial value setting system for electronic device
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United States of America Patent
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-
Feb 6, 1990
Grant Date -
N/A
app pub date -
Nov 24, 1987
filing date -
Nov 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An initial value setting system for an electronic device having system clearing means for generating a trigger pulse in response to power source voltage fluctuation, counter means for counting intervals between the trigger pulses generated successively by the system clearing means, and initial value setting means for undergoing an initialize operation of the electronic device in response to the counter means. In accordance with the present invention, an erroneous execution of all-clear due to electrostatic disturbance noise can be prevented by counting interval or number of the trigger pulses, and discreminating whether or not the initial value setting means should be operated.
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