Patent JPS5340501A successfully refreshed from Google Patents.
JPS5340501A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Reproducer of 4 channel stereo records
Assignee: Sony Corp
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Filing: 1976-06-01
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Granted: —
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Expires: 1996-06-01
Abstract
Abstract PURPOSE:Either 4-channel stereo or 2-channel stereo reproduction circuits is selected and the improvement in stereo feel and presence is achieved by detecting the presence or not of a frequency modulation signal.
Inventors
- 👤 Yoshio Osakabe
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 19:29
CPC Classifications
H; H04; H04S; H04S3/00; H04S3/006
Claims Analysis
Total Claims: 0
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