Small electronic timers

Details Small electronic timers Small electronic timers

1983-04-27

1985-01-08

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

368250, 368276, G04F 800, G04C 2116

Patent

active

044924798

ABSTRACT:
A small electronic timer comprises a circuit arrangement including a time unit pulse generating circuit for generating a time unit pulse, a time counter for counting the time unit pulse, a data memory circuit, a coincidence detecting circuit for comparing data stored in the data memory circuit and data of the time counter and producing a coincidence signal, and a control circuit operated by the coincidence signal; a sound emitting means driven by the control circuit; a time setting means for feeding a set time to the data memory circuit; and a first housing and a second housing for accommodating the circuit arrangement, sound emitting means and time setting means. The first and second housings permits their relative position to be changed, and by changing it, the time setting means is operated and the timer is set.

REFERENCES:
patent: 3817019 (1974-06-01), Fowler
patent: 3961473 (1976-06-01), Hung
patent: 4079583 (1978-03-01), Larsen
patent: 4196583 (1980-04-01), Komaki
patent: 4209969 (1980-07-01), Kitai et al.
patent: 4218871 (1980-08-01), Moritani et al.
patent: 4303995 (1981-12-01), Aizawa
patent: 4382687 (1983-05-01), Lemelson

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