US3160707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gain control in response to ambient noise level
Assignee: Individual
•
Filing: 1961-06-29
•
Granted: 1964-12-08
•
Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 Vernon J Meyers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:27
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A NOISE-ACCLIMATED AUDIO REPRODUCING SYSTEM THE COMBINATION COMPRISING, A TRANSDUCER FOR PRODUCING OUTPUT VOLTAGES WHEN SUBJECTED TO AMBIENT NOISE SOUND PRESSURE, MEANS CONNECTED TO SAID TRANSDUCER FOR AMPLIFYING SAID OUTPUT VOLTAGES, MEANS CONNECTED TO SAID AMPLIFYING MEANS FOR RECTIFYING SAID AMPLIFIED VOLTAGES, A BIAS-CONTROLLED VARIABLE D.-C. RESISTANCE HAVING A CONTROL INPUT, SAID CONTROL INPUT BEING COUPLED TO SAID MEANS FOR RECTI-
Claim 2
Dependent Claim
62 words
IN A NOISE-ACCLIMATED AUDIO REPRODUCING SYSTEM THE COMBINATION COMPRISING, A TRANSDUCER FOR PRODUCING OUTPUT VOLTAGES WHEN SUBJECTED TO AMBIENT NOISE SOUND PRESSURE, MEANS CONNECTED TO SAID TRANSDUCER FOR AMPLIFYING SAID OUTPUT VOLTAGES, MEANS CONNECTED TO SAID AMPLIFYING MEANS FOR RECTIFYING SAID AMPLIFIED VOLTAGES, A BIAS-CONTROLLED VARIABLE D.-C. RESISTANCE HAVING A CONTROL INPUT, SAID CONTROL INPUT BEING COUPLED TO SAID MEANS FOR RECTI-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |