Patent US3469197A successfully refreshed from Google Patents.
US3469197A
Expired / Lapsed
US
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Automatic pulse amplitude tracking circuit
Assignee: Westinghouse Electric Corp
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Filing: 1959-12-04
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Granted: 1969-09-23
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Expires: 1979-12-04
Abstract
No abstract record available.
Inventors
- 👤 Charles C Ryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:03
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A PULSE AMPLITUDE TRACKING CIRCUIT, IN COMBINATION, BIASED RECTIFIER MEANS HAVING A SIGNAL OF RECURRENT PULSES TO BE TRACKED APPLIED THERETO, THE BIASED RECTIFIER MEANS HAVING A VARIABLE BIASING POTENTIAL E APPLIED THERETO AND PASSING ONLY THE PORTION OF THE PULSES WHICH EXCEEDS IN AMPLITUDE TO AMPLITUDE OF THE BIASING POTENTIAL, AND SERVO MEANS INCLUDING ERROR SIGNAL OBTAINING MEANS OPERATIVELY CONNECTED TO THE BIASED RECTIFIER MEANS, THE OBTAINED ERROR SIGNAL HAVING A VALUE WHICH VARIES IN POLARITY AND AMPLITUDE IN ACCORDANCE WITH VARIATIONS IN THE AMPLITUDE OF THE PULSES TO BE TRACKED FROM AN AMPLITUDE E CORRESPONDING TO E=E+R+E WHERE R IS A CONSTANT, SAID SERVO MEANS INCLUDING MEANS FOR VARYING THE BIAS POTENTIAL E ON THE BIASED RECTIFIER MEANS IN A MANNER WHICH TENDS TO MAINTAIN A PREDETERMINED CONSTANT DIFFERENCE SUBSTANTIALLY EQUAL TO R+E BETWEEN THE AMPLITUDE OF THE PULSE SIGNAL AND THE AMPLITUDE OF THE BIASING POTENTIAL.
Claim 2
Dependent Claim
150 words
IN A PULSE AMPLITUDE TRACKING CIRCUIT, IN COMBINATION, BIASED RECTIFIER MEANS HAVING A SIGNAL OF RECURRENT PULSES TO BE TRACKED APPLIED THERETO, THE BIASED RECTIFIER MEANS HAVING A VARIABLE BIASING POTENTIAL E APPLIED THERETO AND PASSING ONLY THE PORTION OF THE PULSES WHICH EXCEEDS IN AMPLITUDE TO AMPLITUDE OF THE BIASING POTENTIAL, AND SERVO MEANS INCLUDING ERROR SIGNAL OBTAINING MEANS OPERATIVELY CONNECTED TO THE BIASED RECTIFIER MEANS, THE OBTAINED ERROR SIGNAL HAVING A VALUE WHICH VARIES IN POLARITY AND AMPLITUDE IN ACCORDANCE WITH VARIATIONS IN THE AMPLITUDE OF THE PULSES TO BE TRACKED FROM AN AMPLITUDE E CORRESPONDING TO E=E+R+E WHERE R IS A CONSTANT, SAID SERVO MEANS INCLUDING MEANS FOR VARYING THE BIAS POTENTIAL E ON THE BIASED RECTIFIER MEANS IN A MANNER WHICH TENDS TO MAINTAIN A PREDETERMINED CONSTANT DIFFERENCE SUBSTANTIALLY EQUAL TO R+E BETWEEN THE AMPLITUDE OF THE PULSE SIGNAL AND THE AMPLITUDE OF THE BIASING POTENTIAL.
References Cited (Backward Citations)
US2465191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |