Patent US3276019A successfully refreshed from Google Patents.
US3276019A
Expired / Lapsed
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Combined sequential beam switcher and duplexer using microwave circulators
Assignee: General Precision Inc
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Filing: 1964-02-11
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Granted: 1966-09-27
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Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 John D Fackler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:32
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A COMBINED DUPLEXER AND SWITCHING SYSTEM, COMPRISING, MICROWAVE ENERGY CIRCULATING MEANS INCLUDING A PLURALITY OF EXTERNAL CONNECTION ARMS FOR TRANSMITTING MICROWAVE ENERGY ENTERING ANY ARM THROUGH A PORTION OF SAID MEANS IN A PREDETERMINED DIRECTION AND OUT BY THE NEXT SUCCEEDING ARM, A SOURCE OF MICROWAVE ENERGY CONNECTED TO ONE OF SAID ARMS, A PLURALITY OF ANTENNAS CONNECTED TO SUCCESSIVE ARMS NEXT ADJACENT TO SAID ONE ARM, A RECEIVER CONNECTED TO THAT ARM MOST REMOTE FROM SAID SOURCE, A PLURALITY OF RADIO FREQUENCE DIODE SWITCHES ONE INTERPOSED BETWEEN EACH ANTENNA AND SAID CIRCULATING MEANS, SAID SWITCHES EACH BEING SELECTIVELY ACTUABLE TO BE CONDUCTIVE OR REFLECTIVE TO INCIDENT MICROWAVE ENERGY, AND CYCLICALLY OPERATING MEANS FOR RENDERING EACH SWITCH IN SUCCESSION CONDUCTIVE AND THE REMAINDER OF SAID SWITCHES REFLECTIVE.
Claim 2
Dependent Claim
127 words
A COMBINED DUPLEXER AND SWITCHING SYSTEM, COMPRISING, MICROWAVE ENERGY CIRCULATING MEANS INCLUDING A PLURALITY OF EXTERNAL CONNECTION ARMS FOR TRANSMITTING MICROWAVE ENERGY ENTERING ANY ARM THROUGH A PORTION OF SAID MEANS IN A PREDETERMINED DIRECTION AND OUT BY THE NEXT SUCCEEDING ARM, A SOURCE OF MICROWAVE ENERGY CONNECTED TO ONE OF SAID ARMS, A PLURALITY OF ANTENNAS CONNECTED TO SUCCESSIVE ARMS NEXT ADJACENT TO SAID ONE ARM, A RECEIVER CONNECTED TO THAT ARM MOST REMOTE FROM SAID SOURCE, A PLURALITY OF RADIO FREQUENCE DIODE SWITCHES ONE INTERPOSED BETWEEN EACH ANTENNA AND SAID CIRCULATING MEANS, SAID SWITCHES EACH BEING SELECTIVELY ACTUABLE TO BE CONDUCTIVE OR REFLECTIVE TO INCIDENT MICROWAVE ENERGY, AND CYCLICALLY OPERATING MEANS FOR RENDERING EACH SWITCH IN SUCCESSION CONDUCTIVE AND THE REMAINDER OF SAID SWITCHES REFLECTIVE.
References Cited (Backward Citations)
US2804677A
Cited
US3032723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |