US3132308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gain control circuit
Assignee: Individual
•
Filing: 1961-10-26
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Granted: 1964-05-05
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Expires: 1981-10-26
Abstract
No abstract record available.
Inventors
- 👤 John C Munson
- 👤 George W Cope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/30; H03G3/3005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN AUTOMATIC GAIN CONTROL CIRCUIT FOR CONTROLLING THE AMPLITUDE OF A SERIES OF INTERMITTENT INPUT SIGNALS COMPRISING IN COMBINATION, A VARIABLE IMPEDANCE MEANS FOR RECEIVING AND ATTENUATING THE INTERMITTENT INPUT SIGNALS, PEAK DETECTING MEANS HAVING AN INPUT CONNECTED TO SAID IMPEDANCE MEANS FOR DETECTING THE PEAK AMPLITUDE OF THE INTERMITTENT SIGNALS, STORAGE MEANS CONNECTED TO AN OUTPUT OF SAID DETECTING MEANS FOR MAINTAINING AN INDICATION OF SAID PACK AMPLITUDE UNTIL THE RECEPTION OF THE SUCCEEDING INTERMITTENT SIGNAL HAVING, AN INTEGRATING CAPACITOR FOR STORING THE CHARGE DURING THE PERIOD BETWEEN THE INTERMITTEN SIGNALS, A CHARGING GATE MEANS CONNECTED BETWEEN SAID PEAK DETECTING MEANS AND SAID CAPACITOR FOR CHARGING SAID CAPACITOR BY AN AMOUNT PROPORTIONAL TO THE DIFFERENCE BETWEEN THE PEAK AMPLITUDE OF THE PRECEDING SIGNAL AND A FIXED REFERENCE VOLTAGE, A DISCHARGING GATE MEANS CONNECTED TO SAID CAPACITOR FOR DISCHARGING A FIXED CHARGE FROM SAID CAPACITOR.
Claim 2
Dependent Claim
145 words
AN AUTOMATIC GAIN CONTROL CIRCUIT FOR CONTROLLING THE AMPLITUDE OF A SERIES OF INTERMITTENT INPUT SIGNALS COMPRISING IN COMBINATION, A VARIABLE IMPEDANCE MEANS FOR RECEIVING AND ATTENUATING THE INTERMITTENT INPUT SIGNALS, PEAK DETECTING MEANS HAVING AN INPUT CONNECTED TO SAID IMPEDANCE MEANS FOR DETECTING THE PEAK AMPLITUDE OF THE INTERMITTENT SIGNALS, STORAGE MEANS CONNECTED TO AN OUTPUT OF SAID DETECTING MEANS FOR MAINTAINING AN INDICATION OF SAID PACK AMPLITUDE UNTIL THE RECEPTION OF THE SUCCEEDING INTERMITTENT SIGNAL HAVING, AN INTEGRATING CAPACITOR FOR STORING THE CHARGE DURING THE PERIOD BETWEEN THE INTERMITTEN SIGNALS, A CHARGING GATE MEANS CONNECTED BETWEEN SAID PEAK DETECTING MEANS AND SAID CAPACITOR FOR CHARGING SAID CAPACITOR BY AN AMOUNT PROPORTIONAL TO THE DIFFERENCE BETWEEN THE PEAK AMPLITUDE OF THE PRECEDING SIGNAL AND A FIXED REFERENCE VOLTAGE, A DISCHARGING GATE MEANS CONNECTED TO SAID CAPACITOR FOR DISCHARGING A FIXED CHARGE FROM SAID CAPACITOR.
References Cited (Backward Citations)
US2279128A
Cited
US2609443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |