US3196355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple channel gain control
Assignee: Lockheed Martin Corp
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Filing: 1961-12-20
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Granted: 1965-07-20
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Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 Allan E Berry
- 👤 Harry A May
- 👤 William M Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:53
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AUTOMATIC GAIN CONTROL CIRCUITRY FOR A MULTIPLE RECEIVER SYSTEM USED TO AMPLIFY SEPARATE INPUT SIGNALS COMPRISING A CALIBRATE GENERATOR, SAID CALIBRATE GENERATOR PRODUCING RANDOM NOISE THROUGHOUT THE FREQUENCY BAND OF THE INPUT SIGNALS, MEANS TO INSERT THE OUTPUT OF SAID CALIBRATE GENERATOR INTO EACH OF SAID RECEIVERS, CORRELATION MEANS FOR SEPARATING SAID CALIBRATE SIGNAL FROM THE OUTPUT OF EACH OF SAID RECEIVERS, MEANS FOR GENERATING AUTOMATIC GAIN CONTROL SIGNALS IN ACCORDANCE WITH THE AMPLITUDE OF THE CALIBRATE SIGNALS AT THE OUTPUT OF EACH OF SAID RECEIVERS, AND MEANS FOR CONTROLLING THE GAINS OF EACH OF SAID RECEIVIERS IN ACCORDANCE WITH SAID AUTOMATIC GAIN CONTROL SIGNALS.
Claim 2
Dependent Claim
105 words
AUTOMATIC GAIN CONTROL CIRCUITRY FOR A MULTIPLE RECEIVER SYSTEM USED TO AMPLIFY SEPARATE INPUT SIGNALS COMPRISING A CALIBRATE GENERATOR, SAID CALIBRATE GENERATOR PRODUCING RANDOM NOISE THROUGHOUT THE FREQUENCY BAND OF THE INPUT SIGNALS, MEANS TO INSERT THE OUTPUT OF SAID CALIBRATE GENERATOR INTO EACH OF SAID RECEIVERS, CORRELATION MEANS FOR SEPARATING SAID CALIBRATE SIGNAL FROM THE OUTPUT OF EACH OF SAID RECEIVERS, MEANS FOR GENERATING AUTOMATIC GAIN CONTROL SIGNALS IN ACCORDANCE WITH THE AMPLITUDE OF THE CALIBRATE SIGNALS AT THE OUTPUT OF EACH OF SAID RECEIVERS, AND MEANS FOR CONTROLLING THE GAINS OF EACH OF SAID RECEIVIERS IN ACCORDANCE WITH SAID AUTOMATIC GAIN CONTROL SIGNALS.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |