Patent US3098195A successfully refreshed from Google Patents.
US3098195A
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Automatic gain control circuit
Assignee: General Dynamics Corp
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Filing: 1960-11-01
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Granted: 1963-07-16
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Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Iii George V Lennon
- 👤 Jr Hermann Lins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:43
CPC Classifications
H; H03; H03G; H03G1/00; H03G1/0005; H03G1/0035; H03G7/00; H03G7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN AUTOMATIC SIGNAL GAIN CONTROL CIRCUIT COMPRISING A TRANSFORMER WITH PRIMARY AND SECONDARY WINDINGS, A SIGNAL SOURCE COUPLED TO SAID PRIMARY WINDING, A VARISTOR WITH A NON-LINEAR VOLTAGE-CURRENT CHARACTERISTIC, A FIXED RESISTOR, SAID VARISTOR AND SAID RESISTOR BEING CONNECTED IN SERIES ACROSS A PORTION OF SAID SECONDARY WINDING, AN OUTPUT TERMINAL CONNECTED TO THEJUNCTION OF SAID RESISTOR AND SAID VARISTOR, A DIRECT CURRENT SOURCE COUPLED ACROSS SAID VARISTOR, AN AMPLIFIER WITH A CONTROLLING CIRCUIT AND A CONTROLLED CIRCUIT, SAID CONTROLLED CIRCUIT BEING CONNECTED IN CIRCUIT BETWEEN SAID DIRECT CURRENT SOURCE AND SAID VARISTOR, SAID CONTROLLING CIRCUIT OF SAID AMPLIFIER BEING CONNECTED TO SAID SECONDARY WINDING FOR REGULATING THE CURRENT THROUGH SAID VARISTOR IN ACCORDANCE WITH THE SIGNAL VOLTAGE OF SAID SOURCE.
Claim 2
Dependent Claim
121 words
AN AUTOMATIC SIGNAL GAIN CONTROL CIRCUIT COMPRISING A TRANSFORMER WITH PRIMARY AND SECONDARY WINDINGS, A SIGNAL SOURCE COUPLED TO SAID PRIMARY WINDING, A VARISTOR WITH A NON-LINEAR VOLTAGE-CURRENT CHARACTERISTIC, A FIXED RESISTOR, SAID VARISTOR AND SAID RESISTOR BEING CONNECTED IN SERIES ACROSS A PORTION OF SAID SECONDARY WINDING, AN OUTPUT TERMINAL CONNECTED TO THEJUNCTION OF SAID RESISTOR AND SAID VARISTOR, A DIRECT CURRENT SOURCE COUPLED ACROSS SAID VARISTOR, AN AMPLIFIER WITH A CONTROLLING CIRCUIT AND A CONTROLLED CIRCUIT, SAID CONTROLLED CIRCUIT BEING CONNECTED IN CIRCUIT BETWEEN SAID DIRECT CURRENT SOURCE AND SAID VARISTOR, SAID CONTROLLING CIRCUIT OF SAID AMPLIFIER BEING CONNECTED TO SAID SECONDARY WINDING FOR REGULATING THE CURRENT THROUGH SAID VARISTOR IN ACCORDANCE WITH THE SIGNAL VOLTAGE OF SAID SOURCE.
References Cited (Backward Citations)
US2086910A
Cited
FR1181706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |