Communications: electrical – Systems – Timer control
Patent
1974-05-20
1976-06-15
Caldwell, John W.
Communications: electrical
Systems
Timer control
340266, 325396, 250200, G08B 100
Patent
active
039640469
ABSTRACT:
A control device repeatedly starts operation of a portable machine by detecting the movement of a hand on a watch mechanism and producing a first start signal to start operation of one portion of the portable machine. A delay arrangement then produces a second start signal to actuate the remainder of the portable machine. A timing device, actuated by the first start signal, stops operation of the machine before occurrence of another first starting signal.
REFERENCES:
patent: 3361973 (1968-01-01), Wyjong
patent: 3540026 (1970-11-01), Scott
patent: 3636549 (1972-01-01), Berman
Hirata Noritsugu
Takahashi Kiyoshi
Caldwell John W.
Canon Kabushiki Kaisha
Wannisky William M.
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