Patent US3265994A successfully refreshed from Google Patents.
US3265994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency coupling transmission line circuitry
Assignee: Collins Radio Co
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Filing: 1964-06-10
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Granted: 1966-08-09
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Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Warren B Bruene
- 👤 Long Vincent R De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:33
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/38; H03H7/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A RADIO FREQUENCY TRANSMISSION LINE COUPLING NETWORK, A MULTI PI-SECTION TRANSMISSION LINE HAVING A CENTER COAXIAL LINE CONDUCTOR AND AN OUTER COAXIAL LINE CONDUCTIVE CASING; MULTIPLE ADJUSTABLE CAPACITORS CONNECTED BETWEEN THE CENTER COAXIAL CONDUCTOR AND THE OUTER COAXIAL CONDUCTIVE CASING AT LONGITUDINALLY SPACED CAPACITOR STATION LOCATIONS ALONG THE TRANSMISSION LINE; MEANS FOR ADJUSTABLY SETTING THE CAPACITIVE VALUE OF CAPACITORS LOCATED AT THE CAPACITOR STATIONS; A CAPACITOR STATION LOCATED AT THE INPUT END OF THE TRANSMISSION LINE ADJUSTABLE AS A TUNING CAPACITOR REGARDLESS OF THE LENGTH OF TRANSMISSION LINE RESONATED FOR A DESIRED FREQUENCY MATCHING OPERATION, WITH THE CAPACITANCE OF THE CAPACITOR STATION AT THE END OF THE LENGTH OF TRANSMISSION LINE RESONATED BEING ADJUSTED AS THE LOADING CAPACITOR FOR THE FREQUENCY DESIRED WITHIN THE RELATIVE FREQUENCY RANGE OF ADJUSTMENT OF THE INCREASED TRANSMISSION LINE LENGTH FROM THE PREVIOUS CAPACITOR STATION, AND WITH ALL OTHER CAPACITOR STATIONS BEING ADJUSTED TO MINIMUM CAPACITY.
Claim 2
Dependent Claim
152 words
IN A RADIO FREQUENCY TRANSMISSION LINE COUPLING NETWORK, A MULTI PI-SECTION TRANSMISSION LINE HAVING A CENTER COAXIAL LINE CONDUCTOR AND AN OUTER COAXIAL LINE CONDUCTIVE CASING; MULTIPLE ADJUSTABLE CAPACITORS CONNECTED BETWEEN THE CENTER COAXIAL CONDUCTOR AND THE OUTER COAXIAL CONDUCTIVE CASING AT LONGITUDINALLY SPACED CAPACITOR STATION LOCATIONS ALONG THE TRANSMISSION LINE; MEANS FOR ADJUSTABLY SETTING THE CAPACITIVE VALUE OF CAPACITORS LOCATED AT THE CAPACITOR STATIONS; A CAPACITOR STATION LOCATED AT THE INPUT END OF THE TRANSMISSION LINE ADJUSTABLE AS A TUNING CAPACITOR REGARDLESS OF THE LENGTH OF TRANSMISSION LINE RESONATED FOR A DESIRED FREQUENCY MATCHING OPERATION, WITH THE CAPACITANCE OF THE CAPACITOR STATION AT THE END OF THE LENGTH OF TRANSMISSION LINE RESONATED BEING ADJUSTED AS THE LOADING CAPACITOR FOR THE FREQUENCY DESIRED WITHIN THE RELATIVE FREQUENCY RANGE OF ADJUSTMENT OF THE INCREASED TRANSMISSION LINE LENGTH FROM THE PREVIOUS CAPACITOR STATION, AND WITH ALL OTHER CAPACITOR STATIONS BEING ADJUSTED TO MINIMUM CAPACITY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |