ANALOG-DIGITAL ELECTRONIC WATCH

PURPOSE:To obtain an electronic watch whose analog part is provided with an impression of quality-class article without decreasing a clear contrast in a digital display, by a method wherein transparent poezoelectric ceramics is stuck on the cover glass of the analog part to make it serve as a transp...

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Bibliographic Details
Main Authors IKEZAWA TOORU, KUMADA AKIO
Format Patent
LanguageEnglish
Published 24.03.1983
Subjects
ELECTROMECHANICAL CLOCKS OR WATCHES
ELECTRONIC TIME-PIECES
HOROLOGY
PHYSICS
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Summary:PURPOSE:To obtain an electronic watch whose analog part is provided with an impression of quality-class article without decreasing a clear contrast in a digital display, by a method wherein transparent poezoelectric ceramics is stuck on the cover glass of the analog part to make it serve as a transparent buzzer. CONSTITUTION:Transparent piezoelectric ceramics is stuck on the analog part 4 of cover glass 2, and when an alarm signal is supplied to the part through a metal film 7, an alarm sound is generated therefrom. Accordingly, the dial plate of the analog part 4 is given an amber color, an impression of a quality-class article, without decreasing a clear contrast in a digital part.
Bibliography:Application Number: JP19810147889