US3254306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control circuit for amplifiers
Assignee: RCA Corp
•
Filing: 1962-11-21
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Granted: 1966-05-31
•
Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 David J Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03D; H03D7/00; H03D7/12; H03G3/3052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN AMPLIFIER COMPRISING: A TRANSISTOR HAVING AN INPUT AN OUTPUT ELECTRODE, A TUNED CIRCUIT, MEANS FOR APPLYING A SIGNAL TO BE AMPLIFIER TO SAID INPUT ELECTRODE, MEANS FOR APPLYING A GAIN CONTROL VOLTAGE TO SAID INPUT ELECTRODE IN SUCH A DIRECTION AS TO RENDER SAID TRANSISTOR MORE CONDUCTIVE, AND MEANS RESPONSIVE TO SAID GAIN CONTROL VOLTAGE COUPLING SAID OUTPUT ELECTRODE TO SAID TURNED CIRCUIT TO REDUCE THE LOADING OF SAID OUTPUT ELECTRODE ON SAID TURNED CIRCUIT.
Claim 2
Dependent Claim
76 words
AN AMPLIFIER COMPRISING: A TRANSISTOR HAVING AN INPUT AN OUTPUT ELECTRODE, A TUNED CIRCUIT, MEANS FOR APPLYING A SIGNAL TO BE AMPLIFIER TO SAID INPUT ELECTRODE, MEANS FOR APPLYING A GAIN CONTROL VOLTAGE TO SAID INPUT ELECTRODE IN SUCH A DIRECTION AS TO RENDER SAID TRANSISTOR MORE CONDUCTIVE, AND MEANS RESPONSIVE TO SAID GAIN CONTROL VOLTAGE COUPLING SAID OUTPUT ELECTRODE TO SAID TURNED CIRCUIT TO REDUCE THE LOADING OF SAID OUTPUT ELECTRODE ON SAID TURNED CIRCUIT.
References Cited (Backward Citations)
US2860196A
Cited
US3078420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |