US3205446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal contrast enhancement circuit
Assignee: Lanteris Space LLC
•
Filing: 1959-04-28
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Granted: 1965-09-07
•
Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 William C Altemus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:23
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/44; H04N5/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A SYSTEM FOR AMPLIFFYING A SELECTED RANGE OF AMPLITUDE VARIATIONS OF AN INPUT SIGNAL COMPRISING A SOURCE OF ADJUSTABLE BIAS POTENTIAL, FIRST CONTROL MEANS COUPLED TO SAID SOURCE FOR CONTROLLING THE BIAS POTENTIAL SUPPLIED BY SAID SOURCE, SIGNAL COMBINING MEANS COUPLED TO SAID SOURCE AND INCLUDING INPUT SIGNAL RECEIVING MEANS FOR SUPERIMPOSING SAID INPUT SIGNAL ON THE BIAS SUPPLIED BY SAID SOURCE TO PROVIDE A COMPOSITE SIGNAL, CIRCUIT MEANS COMPRISING FIRST AND SECOND ADJUSTABLE CLIPPER CIRCUITS AND A VARIABLE GAIN CIRCUT ARRANGED IN CASCADE IN THE ORDER RECITED, SECOND CONTROL MEANS COUPLED TO SAID FIRST AND SECOND CLIPPER CIRCUITS AND SAID VARIABLE GAIN CIRCUIT AND HAVING ONE ACTUATING MEANS FOR SIMULTANEOUSLY CONTROLLING THE OPERATION OF SAID FIRST AND SECOND CLIPPER CIRCUITS AND SAID VARIABLE GAIN CIRCUIT, SAID SECOND CONTROL MEANS
Claim 2
Independent Claim
130 words
A SYSTEM FOR AMPLIFFYING A SELECTED RANGE OF AMPLITUDE VARIATIONS OF AN INPUT SIGNAL COMPRISING A SOURCE OF ADJUSTABLE BIAS POTENTIAL, FIRST CONTROL MEANS COUPLED TO SAID SOURCE FOR CONTROLLING THE BIAS POTENTIAL SUPPLIED BY SAID SOURCE, SIGNAL COMBINING MEANS COUPLED TO SAID SOURCE AND INCLUDING INPUT SIGNAL RECEIVING MEANS FOR SUPERIMPOSING SAID INPUT SIGNAL ON THE BIAS SUPPLIED BY SAID SOURCE TO PROVIDE A COMPOSITE SIGNAL, CIRCUIT MEANS COMPRISING FIRST AND SECOND ADJUSTABLE CLIPPER CIRCUITS AND A VARIABLE GAIN CIRCUT ARRANGED IN CASCADE IN THE ORDER RECITED, SECOND CONTROL MEANS COUPLED TO SAID FIRST AND SECOND CLIPPER CIRCUITS AND SAID VARIABLE GAIN CIRCUIT AND HAVING ONE ACTUATING MEANS FOR SIMULTANEOUSLY CONTROLLING THE OPERATION OF SAID FIRST AND SECOND CLIPPER CIRCUITS AND SAID VARIABLE GAIN CIRCUIT, SAID SECOND CONTROL MEANS
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |