Device for recording host electronic instrument operating on-time
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United States of America Patent
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-
Aug 6, 1985
Grant Date -
N/A
app pub date -
Nov 28, 1983
filing date -
Nov 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The instrument operating time recorder (10) is attached to host instrument (12) and includes a frequency divider (14) for counting line voltage transitions during power-on time and to generate a binary output for a prescaler (20). Prescaler (20) divides by a predetermined value set to the frequency of the host instrument and generates a signal for a digital decoder (24) the output of which can be applied to the readout or display (26).
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