Control device for rapidly setting an electronic digital display

Details Control device for rapidly setting an electronic digital display Control device for rapidly setting an electronic digital display

1978-06-02

1980-09-09

Heyman, John S.

Horology: time measuring systems or devices

Cases

Adaptable

328 61, 328138, 328154, 368188, H03K 116, H03K 1730

Patent

active

042220106

ABSTRACT:
In an electronic digital display control device, a pulse generator is actuated to produce pulses which are fed into a counter to control the setting on the display. A discriminator detects whether the frequency of the pulses exceeds a predetermined frequency limit. If the limit is exceeded, the discriminator connects to the counter a second pulse generator which provides pulses at a freqency higher than the predetermined frequency limit. By so doing, the counter receives a substantially greater number of control pulses per unit of time and sets the digital display very rapidly.

REFERENCES:
patent: 3093797 (1963-06-01), Lubkin
patent: 3187202 (1965-06-01), Case
patent: 3382376 (1968-05-01), Sowden
patent: 3413490 (1968-11-01), Breunig et al.
patent: 3500375 (1970-03-01), Klimo
patent: 3778638 (1973-12-01), Garratt
patent: 4068216 (1978-01-01), Brouwer et al.

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