US3077595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna beam sharpening
Assignee: Unisys Corp
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Filing: 1961-05-24
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Granted: 1963-02-12
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Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 William F Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:59
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/292; G01S7/2923; G01S7/2925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
193 words
IN A SCANNING-TYPE, PULSED OBJECT LOCATING SYSTEM WHEREIN THE TRANSMITTED PULSE REPETITION RATE IS CONSIDERABLY GREATER THAN THE SCANNING RATE OF THE ANTENNA BEAM OF THE SYSTEM, AND WHEREIN A RECEIVER PRODUCES A SERIES OF OUTPUT PULSES IN RESPONSE TO A SERIES OF INPUT PULSES OF ELECTROMAGNETIC WAVES RECEIVED FROM A REMOTELY LOCATED OBJECT INTERCEPTED BY THE SCANNING ANTENNA BEAM, THE PULSES OF SAID SERIES VARYING IN MAGNITUDE FROM LOW VALUES AT EACH END OF THE SERIES AS THE ANTENNA BEAM CENTER RESPECTIVELY APPROACHES AND THEN PROGRESSES AWAY FROM THE TARGET TO A MAXIMUM VALUE SUBSTANTIALLY MIDWAY IN THE SERIES WHEN THE ANTENNA BEAM CENTER IS AT THE SAME AZIMUTH AS THE TARGET, COMPRISING IN COMBINATION FIRST AND SECOND RECIRCULATING DELAY LINE INTEGRATORS EACH COUPLED TO RECEIVE THE SERIES OF OUTPUT PULSES FROM SAID RECEIVER AND EACH HAVING A CIRCULATING DELAY TIME SUBSTANTIALLY EQUAL TO THE PULSE REPETITION INTERVAL OF SAID INPUT SERIES OF PULSES, THE SECOND ONE OF SAID INTEGRATORS HAVING A LOOP GAIN LESS THAN UNITY AND HIGHER THAN THAT OF THE FIRST INTEGRATOR, MEANS FOR ATTENUATING THE OUTPUT PULSES FROM SAID SECOND INTEGRATOR TO ASSURE THAT THE FIRST ONE OF
Claim 2
Dependent Claim
193 words
IN A SCANNING-TYPE, PULSED OBJECT LOCATING SYSTEM WHEREIN THE TRANSMITTED PULSE REPETITION RATE IS CONSIDERABLY GREATER THAN THE SCANNING RATE OF THE ANTENNA BEAM OF THE SYSTEM, AND WHEREIN A RECEIVER PRODUCES A SERIES OF OUTPUT PULSES IN RESPONSE TO A SERIES OF INPUT PULSES OF ELECTROMAGNETIC WAVES RECEIVED FROM A REMOTELY LOCATED OBJECT INTERCEPTED BY THE SCANNING ANTENNA BEAM, THE PULSES OF SAID SERIES VARYING IN MAGNITUDE FROM LOW VALUES AT EACH END OF THE SERIES AS THE ANTENNA BEAM CENTER RESPECTIVELY APPROACHES AND THEN PROGRESSES AWAY FROM THE TARGET TO A MAXIMUM VALUE SUBSTANTIALLY MIDWAY IN THE SERIES WHEN THE ANTENNA BEAM CENTER IS AT THE SAME AZIMUTH AS THE TARGET, COMPRISING IN COMBINATION FIRST AND SECOND RECIRCULATING DELAY LINE INTEGRATORS EACH COUPLED TO RECEIVE THE SERIES OF OUTPUT PULSES FROM SAID RECEIVER AND EACH HAVING A CIRCULATING DELAY TIME SUBSTANTIALLY EQUAL TO THE PULSE REPETITION INTERVAL OF SAID INPUT SERIES OF PULSES, THE SECOND ONE OF SAID INTEGRATORS HAVING A LOOP GAIN LESS THAN UNITY AND HIGHER THAN THAT OF THE FIRST INTEGRATOR, MEANS FOR ATTENUATING THE OUTPUT PULSES FROM SAID SECOND INTEGRATOR TO ASSURE THAT THE FIRST ONE OF
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |