Patent US3232898A successfully refreshed from Google Patents.
Patent US3145383A successfully refreshed from Google Patents.
US3145383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal synthesizer system
Assignee: Avco Corp
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Filing: 1960-02-23
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Granted: 1964-08-18
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 Bruce K Nelson
- 👤 William P Goldberg
- 👤 Maurice B Haslam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:41
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A SIGNAL SYNTHESIZING SYSTEM FOR CONTROLLING THE DIRECTION OF PROPAGATION OF AN ANTENNA ARRAY COMPRISING A PLURALITY OF RADIATORS IN A PREDETERMINED ARRANGEMENT WITH RESPECT TO A THREE DIMENSIONAL COORDINATE SYSTEM HAVING A PLURALITY OF AXES COMPRISING: MEANS FOR DEVELOPING PHASE RELATED SIGNALS, THE PHASE ANGLES OF WHICH ARE DETERMINED BY THE PRODUCT OF THE DIRECTION COSINES, WITH RESPECT TO EACH OF THE AXES OF THE COORDINATE SYSTEM, OF TWO VECTORS, ONE EXTENDING FROM THE ORIGIN OF THE COORDINATE SYSTEM TO THE RADIATORS AND THE OTHER EXTENDING FROM THE ORIGIN IN THE DIRECTION OF PROPAGATION; AND MEANS FOR INTERMODULATING PHASE RELATED SIGNALS ASSOCIATED WITH EACH AXIS FOR DEVELOPING OUTPUT SIGNALS HAVING PHASE ANGLES WHICH ARE DETERMINED BY A FUNCTION OF THE PHASE ANGLES OF THE INTERMODULATED PHASE RELATED SIGNALS.
Claim 2
Dependent Claim
129 words
A SIGNAL SYNTHESIZING SYSTEM FOR CONTROLLING THE DIRECTION OF PROPAGATION OF AN ANTENNA ARRAY COMPRISING A PLURALITY OF RADIATORS IN A PREDETERMINED ARRANGEMENT WITH RESPECT TO A THREE DIMENSIONAL COORDINATE SYSTEM HAVING A PLURALITY OF AXES COMPRISING: MEANS FOR DEVELOPING PHASE RELATED SIGNALS, THE PHASE ANGLES OF WHICH ARE DETERMINED BY THE PRODUCT OF THE DIRECTION COSINES, WITH RESPECT TO EACH OF THE AXES OF THE COORDINATE SYSTEM, OF TWO VECTORS, ONE EXTENDING FROM THE ORIGIN OF THE COORDINATE SYSTEM TO THE RADIATORS AND THE OTHER EXTENDING FROM THE ORIGIN IN THE DIRECTION OF PROPAGATION; AND MEANS FOR INTERMODULATING PHASE RELATED SIGNALS ASSOCIATED WITH EACH AXIS FOR DEVELOPING OUTPUT SIGNALS HAVING PHASE ANGLES WHICH ARE DETERMINED BY A FUNCTION OF THE PHASE ANGLES OF THE INTERMODULATED PHASE RELATED SIGNALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |