US3124768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resonator
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:47
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/213; H01P1/2138
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
132 words
A FILTERING SYSTEM COMPRISING A PLURALITY OF CAVITY RESONATORS, A SHORT IMPEDANCE MATCHING TRANSMISSION LINE FOR EACH OF THE RESONATORS, EACH LINE HAVING ONE END AT A COMMON JUNCTION OF THE LINES, THE RESONATORS BEING OF TOO LARGE PHYSICAL DIMENSIONS TO BE ALL LOCATED AT AND COUPLED DIRECTLY TO THE OPPOSITE ENDS OF THE LINES, AND MEANS FOR COUPLING THE RESONATORS TO SAID OPPOSITE ENDS OF THE LINES WITH ADEQUATE PHYSICAL SPACE FOR THE RESONATORS, SAID MEANS INCLUDING, BETWEEN AND IN SERIES WITH AT LEAST ONE OF THE RESONATORS AND ITS LINE, AN ADDITIONAL CAVITY RESONATOR OF SMALLER PHYSICAL SIZE THAN SAID ONE RESONATOR AND LOCATED AT AND TERMINATING SAID OPPOSITE END OF THE LINE OF SAID ONE RESONATOR, AND AN ADDITIONAL TRANSMISSION LINE COUPLING SAID ADDITIONAL RESONATOR AND SAID ONE RESONATOR.
Claim 2
Dependent Claim
132 words
A FILTERING SYSTEM COMPRISING A PLURALITY OF CAVITY RESONATORS, A SHORT IMPEDANCE MATCHING TRANSMISSION LINE FOR EACH OF THE RESONATORS, EACH LINE HAVING ONE END AT A COMMON JUNCTION OF THE LINES, THE RESONATORS BEING OF TOO LARGE PHYSICAL DIMENSIONS TO BE ALL LOCATED AT AND COUPLED DIRECTLY TO THE OPPOSITE ENDS OF THE LINES, AND MEANS FOR COUPLING THE RESONATORS TO SAID OPPOSITE ENDS OF THE LINES WITH ADEQUATE PHYSICAL SPACE FOR THE RESONATORS, SAID MEANS INCLUDING, BETWEEN AND IN SERIES WITH AT LEAST ONE OF THE RESONATORS AND ITS LINE, AN ADDITIONAL CAVITY RESONATOR OF SMALLER PHYSICAL SIZE THAN SAID ONE RESONATOR AND LOCATED AT AND TERMINATING SAID OPPOSITE END OF THE LINE OF SAID ONE RESONATOR, AND AN ADDITIONAL TRANSMISSION LINE COUPLING SAID ADDITIONAL RESONATOR AND SAID ONE RESONATOR.
Claim 3
Dependent Claim
102 words
A FILTERING SYSTEM FOR COUPLING TO A COMMON ANTENNA A PLURALITY OF SIGNALLING DEVICES TUNED TO DIFFERENT FREQUENCIES, COMPRISING A FILTERING UNIT FOR EACH SIGNALLING DEVICE, EACH UNIT INCLUDING A FIRST BRANCH AND A SECOND BRANCH, THE SECOND BRANCHES OF THE DIFFERENT UNITS BEING IN SERIES, THE FIRST BRANCH OF EACH UNIT HAVING RESONATOR MEANS TUNED TO PASS ONLY THE FREQUENCY OF THE SIGNALLING DEVICE OF THE UNIT, THE SECOND BRANCH OF EACH UNIT HAVING RESONATOR MEANS TUNED TO BLOCK ONLY THE SAID FREQUENCY OF THE SIGNALLING DEVICE OF THE UNIT AND PASS BOTH HIGHER AND LOWER FREQUENCIES OF OTHER SIGNALLING DEVICES.
Claim 4
Dependent Claim
102 words
A FILTERING SYSTEM FOR COUPLING TO A COMMON ANTENNA A PLURALITY OF SIGNALLING DEVICES TUNED TO DIFFERENT FREQUENCIES, COMPRISING A FILTERING UNIT FOR EACH SIGNALLING DEVICE, EACH UNIT INCLUDING A FIRST BRANCH AND A SECOND BRANCH, THE SECOND BRANCHES OF THE DIFFERENT UNITS BEING IN SERIES, THE FIRST BRANCH OF EACH UNIT HAVING RESONATOR MEANS TUNED TO PASS ONLY THE FREQUENCY OF THE SIGNALLING DEVICE OF THE UNIT, THE SECOND BRANCH OF EACH UNIT HAVING RESONATOR MEANS TUNED TO BLOCK ONLY THE SAID FREQUENCY OF THE SIGNALLING DEVICE OF THE UNIT AND PASS BOTH HIGHER AND LOWER FREQUENCIES OF OTHER SIGNALLING DEVICES.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |