Patent US3200338A successfully refreshed from Google Patents.
US3200338A
Expired / Lapsed
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Automatic correction arrangements for periodic integrators
Assignee: BAE Systems Electronics Ltd
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Filing: 1961-07-17
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Granted: 1965-08-10
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Ellis Alfred Brian Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:39
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/20; G; G01; G01S; G01S1/00; G01S1/02; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184; G06G7/186; G06G7/1865
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A PERIODIC INTEGRATOR INCLUDING AN AMPLIFIER, MEANS FOR APPLYING A PERIODIC PULSED WAVEFORM TO THE INPUT OF SAID AMPLIFIER; MEANS IN SAID AMPLIFIER FOR TRANSFORMING EACH INPUT PULSE INTO A SAW-TOOTH OUTPUT WAVE OF AMPLITUDE DEPENDENT ON THE INPUT PULSE AMPLITUDE; PERIODICALLY ACTUATED CLAMP MEANS BETWEEN THE OUTPUT AND THE INPUT OF SAID AMPLIFIER, SAID CLAMP MEANS BEING ACTUATED AT THE INPUT PULSE FREQUENCY BUT HAVING THE DURATION OF EACH PERIOD OF "OPENING" LONGER THAN THE DURATION OF AN INPUT PULSE SO THAT THE CLAMP IS OPEN DURING EACH INPUT PULSE AND ALSO DURING PART OF THE SPACE BETWEEN TWO SUCCESSIVE INPUT PULSES; MEANS FOR PERIODICALLY SAMPLING THE AMPLIFIER OUTPUT AT THE INPUT PULSE FREQUENCY DURING
Claim 2
Dependent Claim
116 words
A PERIODIC INTEGRATOR INCLUDING AN AMPLIFIER, MEANS FOR APPLYING A PERIODIC PULSED WAVEFORM TO THE INPUT OF SAID AMPLIFIER; MEANS IN SAID AMPLIFIER FOR TRANSFORMING EACH INPUT PULSE INTO A SAW-TOOTH OUTPUT WAVE OF AMPLITUDE DEPENDENT ON THE INPUT PULSE AMPLITUDE; PERIODICALLY ACTUATED CLAMP MEANS BETWEEN THE OUTPUT AND THE INPUT OF SAID AMPLIFIER, SAID CLAMP MEANS BEING ACTUATED AT THE INPUT PULSE FREQUENCY BUT HAVING THE DURATION OF EACH PERIOD OF "OPENING" LONGER THAN THE DURATION OF AN INPUT PULSE SO THAT THE CLAMP IS OPEN DURING EACH INPUT PULSE AND ALSO DURING PART OF THE SPACE BETWEEN TWO SUCCESSIVE INPUT PULSES; MEANS FOR PERIODICALLY SAMPLING THE AMPLIFIER OUTPUT AT THE INPUT PULSE FREQUENCY DURING
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |