Patent JPS5378801A successfully refreshed from Google Patents.
JPS5378801A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Equalizer amplifer
Assignee: Nippon Gakki Co Ltd
•
Filing: 1976-12-22
•
Granted: —
•
Expires: 1996-12-22
Abstract
Abstract PURPOSE:To make it possible to use an equalizer for both cartrides of moving magnet and coil types by changing the input terminals of the equalizer having an operation amplifier.
Inventors
- 👤 Kenji Yokoyama
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-05 15:11
CPC Classifications
H; H04; H04R; H04R3/00; H04R3/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.