JPS5337351A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Adjuster such as sound volume and sound tone for audio equipment
Assignee: Hitachi Ltd
•
Filing: 1976-09-20
•
Granted: —
•
Expires: 1996-09-20
Abstract
Abstract PURPOSE:To establish the basic operation and to extend the functions of application, by offering the control system remotecontrolling the sound volume and tone adjuster for audio equipment as electrical controller using digital IC's.
Inventors
- 👤 Kazuhiko Koike
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 01:27
CPC Classifications
H; H03; H03G; H03G3/00
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.