Patent US3422428A successfully refreshed from Google Patents.
US3422428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving-target-responsive radar system
Assignee: General Electric Co
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Filing: 1953-09-15
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Granted: 1969-01-14
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Expires: 1973-09-15
Abstract
No abstract record available.
Inventors
- 👤 Richard C Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:23
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/06; G01S13/42; G01S13/44; G01S13/4454
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A OBJECT-DETECTION SYSTEM COMPRISING MEANS FOR RADIATING WAVE ENERGY INTO SPACE AND FOR INTERCEPTING REFLECTIONS FROM A REMOTE OBJECT, SAID MEANS INCLUDING A PAIR OF WAVE-INTERCEPTING DEVICES DISPOSED ON OPPOSITE SIDES OF A REFERENCE PLANE TO DERIVE A PAIR OF OUTPUT WAVES HAVING A RELATIVE PHASING REPRESENTING THE ANGULAR DISPLACEMENT OF SAID OBJECT WITH RESPECT TO SAID REFERENCE PLANE, MEANS FOR DERIVING A CONTROL EFFECT DEPENDENT UPON THE ANGULAR DISPLACEMENT OF ONLY OBJECTS HAVING A RADIAL COMPONENT OF VELOCITY WITH RESPECT TO SAID INTERCEPTING DEVICES COMPRISING A PAIR OF TRANSLATING CHANNELS, EACH COUPLED TO ONE OF SAID DEVICES, FOR TRANSLATING SAID OUTPUT WAVES WITH SUBSTANTIALLY NO CHANGE IN RELATIVE PHASING, EACH OF SAID CHANNELS INCLUDING MEANS FOR TRANSLATING WAVES REPRESENTING A REMOTE OBJECT HAVING A RADIAL COMPONENT OF VELOCITY WITH RESPECT TO SAID INTERCEPTING DEVICES, WHILE MATERIALLY REDUCING THE AMPLITUDE OF WAVES REPRESENTING A FIXED OBJECT, AND MEANS FOR UTILIZING THE WAVES TRANSLATED BY SAID CHANNELS TO DERIVE A CONTROL EFFECT DEPENDENT UPON SAID RELATIVE PHASING.
Claim 2
Dependent Claim
166 words
A OBJECT-DETECTION SYSTEM COMPRISING MEANS FOR RADIATING WAVE ENERGY INTO SPACE AND FOR INTERCEPTING REFLECTIONS FROM A REMOTE OBJECT, SAID MEANS INCLUDING A PAIR OF WAVE-INTERCEPTING DEVICES DISPOSED ON OPPOSITE SIDES OF A REFERENCE PLANE TO DERIVE A PAIR OF OUTPUT WAVES HAVING A RELATIVE PHASING REPRESENTING THE ANGULAR DISPLACEMENT OF SAID OBJECT WITH RESPECT TO SAID REFERENCE PLANE, MEANS FOR DERIVING A CONTROL EFFECT DEPENDENT UPON THE ANGULAR DISPLACEMENT OF ONLY OBJECTS HAVING A RADIAL COMPONENT OF VELOCITY WITH RESPECT TO SAID INTERCEPTING DEVICES COMPRISING A PAIR OF TRANSLATING CHANNELS, EACH COUPLED TO ONE OF SAID DEVICES, FOR TRANSLATING SAID OUTPUT WAVES WITH SUBSTANTIALLY NO CHANGE IN RELATIVE PHASING, EACH OF SAID CHANNELS INCLUDING MEANS FOR TRANSLATING WAVES REPRESENTING A REMOTE OBJECT HAVING A RADIAL COMPONENT OF VELOCITY WITH RESPECT TO SAID INTERCEPTING DEVICES, WHILE MATERIALLY REDUCING THE AMPLITUDE OF WAVES REPRESENTING A FIXED OBJECT, AND MEANS FOR UTILIZING THE WAVES TRANSLATED BY SAID CHANNELS TO DERIVE A CONTROL EFFECT DEPENDENT UPON SAID RELATIVE PHASING.
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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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |