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JPS5267590A Expired / Lapsed JP ⏱️ 0.0 years remaining

Electronic wrist watch

Assignee: Seiko Instruments Inc
•
Filing: 1975-12-02
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Granted: —
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Expires: 1995-12-02
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Abstract

Abstract PURPOSE:To provide an oscillator to manufacture a high precision wrist watch without temperature compensation at low cost by forming an oscillator of a rectangular plate having one longer side than the other side of a slide crystal oscillator by etching technique as a time standard generating source.

Inventors

  • 👤 Hideo Hoshi

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-04 02:59
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/15; H03H9/17; H03H9/19

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