Electronic timer

Details Electronic timer Electronic timer

1978-07-06

1980-08-26

Truhe, J. V.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

235 92T, 368 98, 368108, 368101, G04F 800, G04F 1000

Patent

active

042188717

ABSTRACT:
An electronic timer includes a presettable counter for continuously counting clock pulses and which is controlled to selectively count to a desired time count and to continuously count from that desired time count. A storage device stores, upon actuation, a time count counted by the presettable counter. A detection output is produced when the presettable counter has completed the counting from the desired time count therein to a given time count. An alarm is generated in response to the detection output and is thereafter stopped. In response to the stopping of the alarm, the presettable counter is preset with the time count stored in the storage device. In this way the presettable counter is automatically set to an initial time count to enable repeated use without complication.

REFERENCES:
patent: 3789195 (1974-01-01), Meier et al.
patent: 3930142 (1975-12-01), Meier
patent: 4047375 (1977-09-01), Wulff

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