US3087128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity resonator having a variable quality factor
Assignee: Budavox Budapesti Hiradastechnikai Vallalat
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Filing: 1959-11-18
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Granted: 1963-04-23
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Expires: 1979-11-18
Abstract
No abstract record available.
Inventors
- 👤 Frigyes Istvan
- 👤 Almassy Gyorgy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:03
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A CAVITY RESONATOR HAVING A VARIABLE QUALITY FACTOR, MEANS FOR VARYING THE QUALITY FACTOR COMPRISING AT LEAST ONE PAIR OF TUNING PISTONS OPERATIVELY ASSOCIATED WITH THE RESONATOR CAVITY AND MOVABLE CONJOINTLY AND IN OPPOSED DIRECTIONS RELATIVE TO SUCH CAVITY; THE DIMENSIONS OF SAID PISTONS BEING SO SELECTED THAT THE RESONANCE FREQUENCY OF THE CAVITY IS NOT APPRECIABLY VARIED BY SUCH CONJOINT MOVEMENT OF SAID PISTONS; THE MATERIALS OF THE RESPECTIVE PISTONS DIFFERING AS TO LOSS FACTORS.
Claim 2
Dependent Claim
77 words
IN A CAVITY RESONATOR HAVING A VARIABLE QUALITY FACTOR, MEANS FOR VARYING THE QUALITY FACTOR COMPRISING AT LEAST ONE PAIR OF TUNING PISTONS OPERATIVELY ASSOCIATED WITH THE RESONATOR CAVITY AND MOVABLE CONJOINTLY AND IN OPPOSED DIRECTIONS RELATIVE TO SUCH CAVITY; THE DIMENSIONS OF SAID PISTONS BEING SO SELECTED THAT THE RESONANCE FREQUENCY OF THE CAVITY IS NOT APPRECIABLY VARIED BY SUCH CONJOINT MOVEMENT OF SAID PISTONS; THE MATERIALS OF THE RESPECTIVE PISTONS DIFFERING AS TO LOSS FACTORS.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |