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Patent US3295138A successfully refreshed from Google Patents.
US3295138A
Expired / Lapsed
US
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Phased array system
Assignee: GTE Sylvania Inc
•
Filing: 1963-10-31
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Granted: 1966-12-27
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Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Bruce K Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:50
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/2682
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A PHASED ARRAY ANTENNA SYSTEM WHICH INCLUDES A PLURALITY OF ANTENNA ELEMENTS AND A LIKE PLURALITY OF SIGNAL PROCESSING CHANNELS, MEANS FOR STEERING SAID ARRAY TO A SELECTED DIRECTION COMPRISING, A SOURCE OF BINARY CONTROL SIGNALS, AND A SWITCHED DELAY LINE OPERATIVELY ASSOCIATED WITH EACH OF SAID CHANNELS, EACH OF SAID SWITCH DELAY LINES COMPRISING, A FIRST PLURALITY OF DELAY LINES HAVING SUBSTANTIALLY ZERO TIME DELAY, A SECOND LIKE PLURALITY OF DELAY LINES HAVING IN SUCCESSION TIME DELAYS OF GEOMETRICALLY INCREASING VALUE, AND DIODE SWITCHING MEANS CONNECTED BETWEEN RESPECTIVE ONES OF SAID FIRST AND SECOND PLURALITY OF DELAY LINES AND OPERATIVE IN RESPONSE TO SAID BINARY CONTROL SIGNALS TO SELECTIVELY COMBINE SAID DELAY LINES TO PROVIDE SELECTED AMOUNTS OF DELAY IN EACH CHANNEL.
Claim 2
Dependent Claim
124 words
IN A PHASED ARRAY ANTENNA SYSTEM WHICH INCLUDES A PLURALITY OF ANTENNA ELEMENTS AND A LIKE PLURALITY OF SIGNAL PROCESSING CHANNELS, MEANS FOR STEERING SAID ARRAY TO A SELECTED DIRECTION COMPRISING, A SOURCE OF BINARY CONTROL SIGNALS, AND A SWITCHED DELAY LINE OPERATIVELY ASSOCIATED WITH EACH OF SAID CHANNELS, EACH OF SAID SWITCH DELAY LINES COMPRISING, A FIRST PLURALITY OF DELAY LINES HAVING SUBSTANTIALLY ZERO TIME DELAY, A SECOND LIKE PLURALITY OF DELAY LINES HAVING IN SUCCESSION TIME DELAYS OF GEOMETRICALLY INCREASING VALUE, AND DIODE SWITCHING MEANS CONNECTED BETWEEN RESPECTIVE ONES OF SAID FIRST AND SECOND PLURALITY OF DELAY LINES AND OPERATIVE IN RESPONSE TO SAID BINARY CONTROL SIGNALS TO SELECTIVELY COMBINE SAID DELAY LINES TO PROVIDE SELECTED AMOUNTS OF DELAY IN EACH CHANNEL.
References Cited (Backward Citations)
US2829346A
Cited
US3056961A
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US3160887A
Cited
US3145383A
Cited
US3211899A
Cited
US3192530A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |