US3140456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave summing and differencing network utilizing stripline cross coupler
Assignee: Raytheon Co
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Filing: 1959-08-24
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Granted: 1964-07-07
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Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Lassen
- 👤 Bryce A Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:16
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/085; H01P5/00; H01P5/12; H01P5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A DEVICE OF THE CLASS DESCRIBED, A CONDUCTIVE GROUND PLANE AND A LINE CONDUCTOR SPACED THEREFROM, SAID LINE CONDUCTOR COMPRISING A PAIR OF INPUT CROSS COUPLERS AND AT LEAST ONE OUTPUT CROSS COUPLER, EACH OF SAID INPUT COUPLERS HAVING A PAIR OF SEPARATE INPUT PORTS FOR RECEIVING INPUT SIGNALS AND AT LEAST ONE OUTPUT PORT FOR DISCHARGING A COMBINED SIGNAL THEREFROM, SAID OUTPUT CROSS COUPLER HAVING A PAIR OF SEPARATE INPUT PORTS, EACH OF WHICH IS INTERCONNECTED WITH ONE OF SAID OUTPUTS IN EACH OF SAID INPUT COUPLERS FOR RECEIVING SAID COMBINED SIGNALS, EACH OF SAID OUTPUT CROSS COUPLERS INCLUDING AT LEAST ONE OUTPUT PORT FOR PROVIDING A SIGNAL REPRESENTING THE DIFFERENCE BETWEEN THE GROUPS OF SAID INPUT SIGNALS.
Claim 2
Dependent Claim
120 words
IN A DEVICE OF THE CLASS DESCRIBED, A CONDUCTIVE GROUND PLANE AND A LINE CONDUCTOR SPACED THEREFROM, SAID LINE CONDUCTOR COMPRISING A PAIR OF INPUT CROSS COUPLERS AND AT LEAST ONE OUTPUT CROSS COUPLER, EACH OF SAID INPUT COUPLERS HAVING A PAIR OF SEPARATE INPUT PORTS FOR RECEIVING INPUT SIGNALS AND AT LEAST ONE OUTPUT PORT FOR DISCHARGING A COMBINED SIGNAL THEREFROM, SAID OUTPUT CROSS COUPLER HAVING A PAIR OF SEPARATE INPUT PORTS, EACH OF WHICH IS INTERCONNECTED WITH ONE OF SAID OUTPUTS IN EACH OF SAID INPUT COUPLERS FOR RECEIVING SAID COMBINED SIGNALS, EACH OF SAID OUTPUT CROSS COUPLERS INCLUDING AT LEAST ONE OUTPUT PORT FOR PROVIDING A SIGNAL REPRESENTING THE DIFFERENCE BETWEEN THE GROUPS OF SAID INPUT 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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |