US3449745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic beam sharpening system
Assignee: Lockheed Martin Corp
•
Filing: 1965-01-15
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Granted: 1969-06-10
•
Expires: 1985-01-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Holt Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:22
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
APPARATUS FOR PRODUCING A SYNTHETICALLY SHARPENED BEAM FOR AN ELECTRONIC INTERROGATION SYSTEM, COMPRISING: R-F RADIATOR MEANS CAPABLE OF PRODUCING A FIRST BEAM AND A SECOND BEAM, EACH OF SAID BEAMS DIVERGING FROM THE BORESIGHT OF THE RADIATOR MEANS BY A PREDETERMINED DEGREE, SAID BEAMS BEING SPATIALLY ORIENTED SO THAT THERE EXISTS A REGION CAPABLE OF BEING COVERED BY EACH OF SAID BEAM; A SOURCE OF R-F ENERGY; INTERROGATION SIGNAL GENERATING MEANS CONNECTED TO SAID SOURCE OF R-F ENERGY TO CAUSE SAID SOURCE TO BE OPERATIVE IN RESPONSE TO A SIGNAL PRODUCED BY SAID INTERROGATION SIGNAL GENERATING MEANS; SWITCH MEANS RECEIVING THE OUTPUT FORM SAID R-F SOURCE AND ALSO RECEIVING THE OUTPUT FROM SAID INTERROGATION SIGNAL GENERATING MEANS, SAID SWITCH MEANS HAVING A FIRST OUTPUT AND A SECOND OUTPUT AND CONNECTING THE OUTPUT FROM SAID R-F SOURCE TO EITHER OF SAID FIRST AND SECOND OUTPUTS IN RESPONSE TO A CORRESPONDING SIGNAL RECEIVED FROM SAID INTERROGATION SIGNAL GENERATING MEANS; AND
Claim 2
Dependent Claim
158 words
APPARATUS FOR PRODUCING A SYNTHETICALLY SHARPENED BEAM FOR AN ELECTRONIC INTERROGATION SYSTEM, COMPRISING: R-F RADIATOR MEANS CAPABLE OF PRODUCING A FIRST BEAM AND A SECOND BEAM, EACH OF SAID BEAMS DIVERGING FROM THE BORESIGHT OF THE RADIATOR MEANS BY A PREDETERMINED DEGREE, SAID BEAMS BEING SPATIALLY ORIENTED SO THAT THERE EXISTS A REGION CAPABLE OF BEING COVERED BY EACH OF SAID BEAM; A SOURCE OF R-F ENERGY; INTERROGATION SIGNAL GENERATING MEANS CONNECTED TO SAID SOURCE OF R-F ENERGY TO CAUSE SAID SOURCE TO BE OPERATIVE IN RESPONSE TO A SIGNAL PRODUCED BY SAID INTERROGATION SIGNAL GENERATING MEANS; SWITCH MEANS RECEIVING THE OUTPUT FORM SAID R-F SOURCE AND ALSO RECEIVING THE OUTPUT FROM SAID INTERROGATION SIGNAL GENERATING MEANS, SAID SWITCH MEANS HAVING A FIRST OUTPUT AND A SECOND OUTPUT AND CONNECTING THE OUTPUT FROM SAID R-F SOURCE TO EITHER OF SAID FIRST AND SECOND OUTPUTS IN RESPONSE TO A CORRESPONDING SIGNAL RECEIVED FROM SAID INTERROGATION SIGNAL GENERATING MEANS; AND
References Cited (Backward Citations)
US1821921A
Cited
US2039812A
Cited
US2176469A
Cited
US2187097A
Cited
US2238107A
Cited
US2540087A
Cited
US2459457A
Cited
US2664561A
Cited
US2554893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |