US3175218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable electronic slot coupler
Assignee: Raytheon Co
•
Filing: 1963-03-01
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Granted: 1965-03-23
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank J Goebels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:18
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/04; H01Q; H01Q13/00; H01Q13/10; H01Q13/103; H01Q3/00; H01Q3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A SLOT COUPLER FOR MICROWAVES, THE COMBINATION COMPRISING A WAVEGUIDE HAVING A CONDUCTIVE WALL INCLUDING A RADIATING SLOT THEREIN; A COAXIAL TRANSMISSION LINE INCLUDING A UNILATERALLY CONDUCTIVE DEVICE HAVING A CHARACTERISTIC NON-LINEAR CAPACITIVE REGION ELECTROMAGNETICALLY COUPLED TO SAID SLOT; TUNING MEANS MOVABLY MOUNTED IN SAID COAXIAL LINE FOR VARYING THE IMPEDANCE THEREOF TO SAID MICROWAVES; A SOURCE OF VARIABLE POTENTIAL FOR BIASING SAID UNILATERALLY CONDUCTIVE DEVICE IN SAID NON-LINEAR CAPACITIVE REGION; AND CHOKE MEANS DISPOSED IN SAID COAXIAL LINE INTERMEDIATE SAID SOURCE AND SAID UNILATERALLY CONDUCTIVE DEVICE AND COUPLED THERETO, SAID CHOKE MEANS PROVIDING A LOWER IMPEDANCE PATH FOR SAID BIAS POTENTIAL, A HIGH IMPEDANCE PATH FOR THE MICROWAVES BETWEEN UNILATERALLY CONDUCTIVE DEVICE AND SAID POTENTIAL SOURCE AND A LOW IMPEDANCE PATH FOR SAID MICROWAVES BETWEEN SAID UNILATERALLY CONDUCTIVE DEVICE AND SAID WAGEGUIDE WALL.
Claim 2
Dependent Claim
135 words
IN A SLOT COUPLER FOR MICROWAVES, THE COMBINATION COMPRISING A WAVEGUIDE HAVING A CONDUCTIVE WALL INCLUDING A RADIATING SLOT THEREIN; A COAXIAL TRANSMISSION LINE INCLUDING A UNILATERALLY CONDUCTIVE DEVICE HAVING A CHARACTERISTIC NON-LINEAR CAPACITIVE REGION ELECTROMAGNETICALLY COUPLED TO SAID SLOT; TUNING MEANS MOVABLY MOUNTED IN SAID COAXIAL LINE FOR VARYING THE IMPEDANCE THEREOF TO SAID MICROWAVES; A SOURCE OF VARIABLE POTENTIAL FOR BIASING SAID UNILATERALLY CONDUCTIVE DEVICE IN SAID NON-LINEAR CAPACITIVE REGION; AND CHOKE MEANS DISPOSED IN SAID COAXIAL LINE INTERMEDIATE SAID SOURCE AND SAID UNILATERALLY CONDUCTIVE DEVICE AND COUPLED THERETO, SAID CHOKE MEANS PROVIDING A LOWER IMPEDANCE PATH FOR SAID BIAS POTENTIAL, A HIGH IMPEDANCE PATH FOR THE MICROWAVES BETWEEN UNILATERALLY CONDUCTIVE DEVICE AND SAID POTENTIAL SOURCE AND A LOW IMPEDANCE PATH FOR SAID MICROWAVES BETWEEN SAID UNILATERALLY CONDUCTIVE DEVICE AND SAID WAGEGUIDE WALL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |