Patent JPS5228890A successfully refreshed from Google Patents.
JPS5228890A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Piezoelectric oscillator
Assignee: Citizen Watch Co Ltd
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Filing: 1975-08-30
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Granted: —
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Expires: 1995-08-30
Abstract
Abstract PURPOSE:To expand the width of adjustment of piezoelectric oscillator of electronic clock, and make the fine adjustment possible, by means of adjusting the frequency through using MOS chip condensor or thin-film resistance element.
Inventors
- 👤 Toshikazu Hatsuse
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-04 06:19
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/08
Claims Analysis
Total Claims: 0
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