US3392395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monopulse antenna system providing independent control in a plurality of modes of operation
Assignee: Hazeltine Research Inc
•
Filing: 1966-04-26
•
Granted: 1968-07-09
•
Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Peter W Hannan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:27
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4409; H; H01; H01Q; H01Q19/00; H01Q19/06; H01Q19/08; H01Q25/00; H01Q25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ANTENNA SYSTEM PROVIDING INDEPENDENT CONTROL IN A PLURALITY OF MODES OF OPERATION, COMPRISING: AN ARRAY OF MULTIMODE HORNS STACKED IN THE DIRECTION OF THE ELECTRIC FIELD EACH HORN HAVING AT LEAST THREE NATURAL HORN MODES INCLUDING AN EVEN HORN MODE AND AND ODD HORN MODE; FIRST INDEPENDENT CONTROL MEANS COUPLED TO EACH MULTIMODE HORN FOR PROVIDING PRELIMINARY SIGNALS FROM EACH HORN REPRESENTING SELECTIVE SUMMATIONS OF SAID NATURAL MODES, THE NATURAL MODES BEING SEPARATED ACCORDING TO THEIR EVEN OR ODD NATURE; COMPARISON MEANS COUPLED TO SAID FIRST INDEPENDENT CONTROL MEANS FOR PROVIDING A PLURALITY OF INTERMEDIATE SIGNALS REPRESENTING SUM AND DIFFERENCE COMPARISONS OF THE PRELIMINARY SIGNALS OBTAINED FROM DIFFERENT HORNS; AND SECOND INDEPENDENT CONTROL MEANS COUPLED TO SAID COMPARISON MEANS FOR PRODUCING FINAL MODE SIGNALS AT LEAST ONE REPRESENTING SELECTIVE SUMMATION OF SAID INTERMEDIATE SIGNALS.
Claim 2
Dependent Claim
135 words
AN ANTENNA SYSTEM PROVIDING INDEPENDENT CONTROL IN A PLURALITY OF MODES OF OPERATION, COMPRISING: AN ARRAY OF MULTIMODE HORNS STACKED IN THE DIRECTION OF THE ELECTRIC FIELD EACH HORN HAVING AT LEAST THREE NATURAL HORN MODES INCLUDING AN EVEN HORN MODE AND AND ODD HORN MODE; FIRST INDEPENDENT CONTROL MEANS COUPLED TO EACH MULTIMODE HORN FOR PROVIDING PRELIMINARY SIGNALS FROM EACH HORN REPRESENTING SELECTIVE SUMMATIONS OF SAID NATURAL MODES, THE NATURAL MODES BEING SEPARATED ACCORDING TO THEIR EVEN OR ODD NATURE; COMPARISON MEANS COUPLED TO SAID FIRST INDEPENDENT CONTROL MEANS FOR PROVIDING A PLURALITY OF INTERMEDIATE SIGNALS REPRESENTING SUM AND DIFFERENCE COMPARISONS OF THE PRELIMINARY SIGNALS OBTAINED FROM DIFFERENT HORNS; AND SECOND INDEPENDENT CONTROL MEANS COUPLED TO SAID COMPARISON MEANS FOR PRODUCING FINAL MODE SIGNALS AT LEAST ONE REPRESENTING SELECTIVE SUMMATION OF SAID INTERMEDIATE SIGNALS.
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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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |