Wristwatch

Details Wristwatch Wristwatch

1978-07-31

1980-05-27

Jackmon, Edith S.

Horology: time measuring systems or devices

Displays or display device details

Optical

368242, G04B 1906, G04B 1930

Patent

active

042043999

ABSTRACT:
A watch, and more particularly a wristwatch is disclosed in which the hours are only displayed in an analog manner and the minutes are only displayed in a digital manner. In the suggested display concept, the time of day is not illustrated in multiple fashion, but rather in a partially analog and partially digital manner. An analog hour display immediately provides a first overview completely sufficing in many cases, whereas a precise display for minutes and, if necessary, for seconds in digital form supplements the feeling for time provided by the hour display with effortless precision. The analog display is advantageously formed by chronologically, consecutively actuated, luminescence elements normally grouped in the shape of a wreath ("quasi-analog display").

REFERENCES:
patent: 3596462 (1971-08-01), Hayes
patent: 3651634 (1972-03-01), Cooper
patent: 3760584 (1973-09-01), Dargent
patent: 3969887 (1976-07-01), Fukumoto
patent: 4095405 (1978-06-01), Tanaka

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