US3205432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity resonators
Assignee: Individual
•
Filing: 1962-05-25
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Granted: 1965-09-07
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Edward L Cochran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:35
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/28; G01R33/32; G01R33/34; G01R33/345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A MICROWAVE CAVITY REASONATOR COMPRISING A WAVE-SUPPORTING CYLINDRICAL SIDE WALL AREA; A PAIR OF END WALLS FASTENED TOGETHER AT THE EXTREMITIES OF THE SIDE WALL TO FORM A HOLLOW CAVITY RESONATOR; MEANS IN ONE END WALL FOR ENERGIZING THE REASONATOR IN THE TE011 MODE OF RESONANCE; SAID SIDE WALL AREA COMPRISING A PLURALITY OF CONTINUOUS, NARROW, UNCUT, CONDUCTIVE BAND PORTIONS SPACED APART TO FORM A PLURALITY OF NON-CONDUCTIVE OPENINGS BETWEEN SAID UNCUT PORTIONS FOR PASSING LIGHT INTO THE RESONATOR, SAID OPENINGS EXTENDING OVER AN AREA AT LEAST AS GREAT AS ONE-QUARTER THAT OF THE TOTAL SIDE WALL AREA; AND A WIDER, CONDUCTIVE-BAND, UNCUT PORTION IN THE SIDE WALL LOCATED A QUARTER WAVELENGTH FROM EACH END WALL SO AS TO COINCIDE WITH A PLANE THROUGH THE REGION OF MAXIMUM ELECTRIC FIELD IN THE RESONATOR, WHEREBY RADIATION LOSSES AND RESONATOR WALL LOSSES ARE SUBSTANTIALLY REDUCED.
Claim 2
Dependent Claim
143 words
A MICROWAVE CAVITY REASONATOR COMPRISING A WAVE-SUPPORTING CYLINDRICAL SIDE WALL AREA; A PAIR OF END WALLS FASTENED TOGETHER AT THE EXTREMITIES OF THE SIDE WALL TO FORM A HOLLOW CAVITY RESONATOR; MEANS IN ONE END WALL FOR ENERGIZING THE REASONATOR IN THE TE011 MODE OF RESONANCE; SAID SIDE WALL AREA COMPRISING A PLURALITY OF CONTINUOUS, NARROW, UNCUT, CONDUCTIVE BAND PORTIONS SPACED APART TO FORM A PLURALITY OF NON-CONDUCTIVE OPENINGS BETWEEN SAID UNCUT PORTIONS FOR PASSING LIGHT INTO THE RESONATOR, SAID OPENINGS EXTENDING OVER AN AREA AT LEAST AS GREAT AS ONE-QUARTER THAT OF THE TOTAL SIDE WALL AREA; AND A WIDER, CONDUCTIVE-BAND, UNCUT PORTION IN THE SIDE WALL LOCATED A QUARTER WAVELENGTH FROM EACH END WALL SO AS TO COINCIDE WITH A PLANE THROUGH THE REGION OF MAXIMUM ELECTRIC FIELD IN THE RESONATOR, WHEREBY RADIATION LOSSES AND RESONATOR WALL LOSSES ARE SUBSTANTIALLY REDUCED.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |