Horology: time measuring systems or devices – Chronological – With electro-optical display
Patent
1980-03-31
1982-06-22
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With electro-optical display
368 87, 368156, 368200, G04C 1900, G04F 500, G04B 1712
Patent
active
043366082
ABSTRACT:
An electronic timepiece comprising means to appreciably increase the number of distinctive information which can be introduced and, if necessary memorized, for a given number of terminals intended for that purpose, information needed for the adjustment of the frequency. The integrated circuit of the timepiece is provided with a first group of m terminals and it comprises an introduction circuit having inputs reserved to introduce the desired information, these inputs being connected to a second group of n terminals of the integrated circuit. The introduction circuit has also control inputs and each of the n terminals of the second group is capable to be connected, by a connection external to the integrated circuit, with one of the m terminals of the first group. The introduction circuit is arranged in such a way as to deliver to its outputs, at least periodically, one distinctive information for each of the m.sup.n possible combinations of the mentioned connections.
REFERENCES:
patent: 3895480 (1975-07-01), Hammer et al.
patent: 3945194 (1976-03-01), Gollinger
patent: 4055945 (1977-11-01), Schwarzschild et al.
patent: 4092820 (1978-06-01), Kume et al.
patent: 4199726 (1980-04-01), Bukosky et al.
patent: 4254494 (1981-03-01), Maeda
Ebauches S.A.
Miska Vit W.
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