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JPS533302A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Cutter head for recording phone records
Assignee: Victor Company of Japan Ltd
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Filing: 1976-06-30
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Granted: —
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Expires: 1996-06-30
Abstract
Abstract PURPOSE:To improve the high frequency characteristics of recording signals by controlling the drive coils which move in compliance with the recording signals and controling the volume of light projected to the photo electric coverter element by the mechanical oscillation of the bobbin.
Inventors
- 👤 Isao Owaki
- 👤 Shinji Nakamura
- 👤 Yukio Seta
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-31 21:31
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/12; H04R9/16
Claims Analysis
Total Claims: 0
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