Electronic watch-chronograph
an electronic watch-chronograph comprising a watch portion having an electronic arrangement for the measurement and display of the time of day, and a chronograph portion having an electronic arrangement for the measurement and display of the duration of a period of counted time, the first-mentioned display comprising statically-controlled display elements and the second-mentioned display comprising electroluminescent display elements.
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Description
Patent History
Patent number: T961001
Type: Grant
Filed: Dec 23, 1976
Date of Patent: Aug 2, 1977
Assignee: Heuer-Leonidas S.A. (Berne)
Inventor: Francois Prinz (Brugg)
Application Number: 5/753,718
Type: Grant
Filed: Dec 23, 1976
Date of Patent: Aug 2, 1977
Assignee: Heuer-Leonidas S.A. (Berne)
Inventor: Francois Prinz (Brugg)
Application Number: 5/753,718
Classifications
Current U.S. Class:
58/395;
58/50R;
240/643
International Classification: G04F 800; G04B 1930;
International Classification: G04F 800; G04B 1930;
