Push-pull, stem-controlled digital time displays

Details Push-pull, stem-controlled digital time displays Push-pull, stem-controlled digital time displays

1986-12-09

1988-01-19

Roskoski, Bernard

Horology: time measuring systems or devices

Regulating means

For setting

368187, 368 70, 368308, G04B 2702

Patent

active

047208236

ABSTRACT:
A single push-pull stem control is provided for setting and operating digital time displays. The stem may be pushed into a first operative position, relative to a case housing the display and exposing it to view, in which it completes a circuit to the elements of the operating parts which generate normal timekeeping indicia in the display. Upon being pulled out of the case to a second operative position, the circuit to the normal timekeeping elements is discontinued and a circuit is established to elements of the operating parts which generate time setting indicia in the display. The stem may be turned in clockwise and counterclockwise directions while in the second position to perform setting and selecting functions, and also while in the first position to perform other desired functions.

REFERENCES:
patent: 4209976 (1980-07-01), Flumm
patent: 4358837 (1982-11-01), Yamazaki et al.
patent: 4367958 (1983-01-01), Kawahara et al.
patent: 4444511 (1984-04-01), Ogihara et al.
patent: 4509867 (1985-04-01), Cleusix et al.
patent: 4600316 (1986-07-01), Besson

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