Switching arrangement for setting time-measuring apparatus

Details Switching arrangement for setting time-measuring apparatus Switching arrangement for setting time-measuring apparatus

1975-07-24

1977-06-14

Witkowski, Stanley J.

58 855, G04C 300

Patent

active

040288790

ABSTRACT:
A switching arrangement and method for setting or adjusting a time-measuring device comprising at least two counters connected one after the other and connected in certain cases with indicator devices, of which one counter changes the counter position thereof by count-pulses emitted by a generator circuit at successive intervals of time and of which the other counter respectively upon transition of the said one counter from one defined counter position into another defined counter position receives a signal fed from the said one counter, which brings about its onward count, and a control device for resetting the said one counter, characterized in that the counting-range of the said one counter is divided up into two partial ranges of preferably at least approximately equal size, in one of which the said one counter emits a defined first output signal and in the other of which the one counter in question emits a defined second output signal, and that the control device resets the one counter in question out of a counter position lying in the first partial range into a first reset counter position lying in this first partial range for setting the time-measuring device backward and resetting of the said one counter out of a counter position lying in the second partial range into a second reset counter position likewise lying in the first partial range for setting the time measuring device forward.

REFERENCES:
patent: 3672155 (1972-06-01), Bergey et al.
patent: 3678680 (1972-07-01), Fujita
patent: 3717990 (1973-02-01), Fujita
patent: 3733810 (1973-05-01), Girard
patent: 3777471 (1973-12-01), Koehler et al.
patent: 3789601 (1974-02-01), Bergey
patent: 3810356 (1974-05-01), Fujita
patent: 3852952 (1974-12-01), Vittoz et al.
patent: 3871168 (1975-03-01), Maire et al.
patent: 3886726 (1975-06-01), Williams et al.
patent: 3916612 (1975-11-01), Morokawa et al.

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