Electronic timer and system LSI

Details Electronic timer and system LSI Electronic timer and system LSI

2006-09-01

2008-03-11

Bui, Bryan (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Time duration or rate

C702S177000

Reexamination Certificate

active

07343263

ABSTRACT:
An electronic timer having a parallel unit, a current detecting unit, and a time measuring unit. The parallel unit is formed of a plurality of aging devices connected in parallel and configured to be turned on or off for a predetermined time after storing electric charges. Each aging device is a transistor which includes a floating gate. The current detecting unit detects a sum current flowing in the parallel unit when a voltage is applied between input and output terminals of the parallel unit. The time measuring unit measures a time required to resume the supplying of power after the interruption of power supplying, from the sum current detected by the current detecting unit.

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