US3215955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveguide switching by variable tuning of a cavity which shunts a band-pass filter
Assignee: Motorola Solutions Inc
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Filing: 1964-06-01
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Granted: 1965-11-02
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Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 Clifford B Thomas
- 👤 Herbert W Iwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:08
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H01; H01P; H01P1/00; H01P1/10; H01P1/11; H03B2202/00; H03B2202/08; H03B2202/082; H03B2202/086; H03C; H03C7/00; H03C7/02; H03C7/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
HIGH FREQUENCY WAVE TRANSMISSION APPARATUS INCLUDING IN COMBINATION, A WAVEGUIDE FOR PASSING SIGNALS THERETHROUGH AND HAVING A BAND PASSING FILTER SECTION WITH INPUT AND OUTPUT PORTS, A TUNABLE REJECT CAVITY COUPLED TO SAID BAND PASS FILTER SECTION, SAID REJECT CAVITY AND SAID FILTER SECTION HAVING A COMMON WALL THEREBETWEEN WITH AN APERTURE THEREIN, A REACTIVE CONTROL MEMBER HAVING A REACTANCE WHICH VARIES IN RESPONSE TO A CONTROL SIGNAL APPLIED THERETO POSITIONED WITHIN SAID CAVITY ALONG THE SIDE OPPOSITE SAID APERTURE, AND MEANS FOR APPLYING A CONTROL SIGNAL TO SAID CONTROL MEMBER, SAID REJECT CAVITY BEING TUNABLE BY SAID REACTIVE CONTROL MEMBER THROUGH A
Claim 2
Dependent Claim
103 words
HIGH FREQUENCY WAVE TRANSMISSION APPARATUS INCLUDING IN COMBINATION, A WAVEGUIDE FOR PASSING SIGNALS THERETHROUGH AND HAVING A BAND PASSING FILTER SECTION WITH INPUT AND OUTPUT PORTS, A TUNABLE REJECT CAVITY COUPLED TO SAID BAND PASS FILTER SECTION, SAID REJECT CAVITY AND SAID FILTER SECTION HAVING A COMMON WALL THEREBETWEEN WITH AN APERTURE THEREIN, A REACTIVE CONTROL MEMBER HAVING A REACTANCE WHICH VARIES IN RESPONSE TO A CONTROL SIGNAL APPLIED THERETO POSITIONED WITHIN SAID CAVITY ALONG THE SIDE OPPOSITE SAID APERTURE, AND MEANS FOR APPLYING A CONTROL SIGNAL TO SAID CONTROL MEMBER, SAID REJECT CAVITY BEING TUNABLE BY SAID REACTIVE CONTROL MEMBER THROUGH A
References Cited (Backward Citations)
US2396044A
Cited
US3113278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |