JPS53147409A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Gain control system with variable sampling frequency
Assignee: Fujitsu Ltd
•
Filing: 1977-05-27
•
Granted: —
•
Expires: 1997-05-27
Abstract
Abstract PURPOSE:To encrease th reliabiliy and ease of maintenance, by controlling the gain of an audio signal after LPF, through making variable the density on the time axis of a pulse amplitude modulation signal demodulated.
Inventors
- 👤 Takashi Tabu
- 👤 Takuto Kojima
- 👤 Shunichi Naito
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-26 11:04
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04
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.