Electronic digital timepiece having a separate key for controlli

Details Electronic digital timepiece having a separate key for controlli Electronic digital timepiece having a separate key for controlli

1989-04-12

1990-04-24

Roskoski, Bernard

Horology: time measuring systems or devices

Displays or display device details

Optical

368 31, 368 34, 368187, G04C 1700

Patent

active

049203657

ABSTRACT:
A colon appearing on the display of an electronic digital timepiece between the hours and the minutes display serves as a display means for the time complexes "daylight-saving time" and "standard time", One point of the colon is surrounded by a first symbol for daylight-saving time and the other point is surrounded with a second symbol for standard time. In accordance with the selected time complex, these symbols appear on the display either continuously or for a period of time upon being recalled.

REFERENCES:
patent: 3855783 (1974-12-01), Luce
patent: 4077032 (1978-02-01), Volkman
patent: 4253169 (1981-02-01), Salah
patent: 4582434 (1986-04-01), Plangger et al.
Patent Abstracts of Japan, vol. 1, No. 86, 8/11/77, p. 1914 E 77; and JP-A-52-21863 (Suwa Seikosha K.K.), 2/18/77.
Patent Abstracts of Japan, vol. 6, No. 66 (P-112) [944], 4/27/82; and JP-A-57-6387 (Rhythm Tokei Kogyo K.K.), 1/13/82.
Patent Abstracts of Japan, vol. 6, No. 79 (P-115) [957], 5/18/82; and JP-A-57-16383 (Rhythm Tokei Kogyo K.K.), 1/27/82.

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