Electronic timepiece equipped with alarm function

Details Electronic timepiece equipped with alarm function Electronic timepiece equipped with alarm function

1978-07-03

1981-03-10

Weldon, Ulysses

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368 73, 368 82, 368243, 368250, 368251, G04B 2302

Patent

active

042558034

ABSTRACT:
In an electronic timepiece equipped with an alarm function, an alarm time memory circuit is provided for setting in an alarm time by actuation of an external control member and another memory circuit is provided into which an advance warning time period can be set and stored. Means are provided for detecting coincidence between the current time and an advance warning time comprising the difference between the memorized alarm time and the advance warning time period, to provide an advance warning signal prior to the actual alarm time. Parallel computation is used to generate said advance warning time, and the advance warning time period can be continuously displayed.

REFERENCES:
patent: 4104863 (1978-08-01), Kondo
patent: 4115993 (1978-09-01), Moriya

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