US3721918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative resistance semiconductor coupled transmission line apparatus
Assignee: RCA Corp
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Filing: 1972-02-24
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Granted: 1973-03-20
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Expires: 1992-02-24
Abstract
Abstract THE BOUNDARY CONDITIONS FOR OPERATING AN AVALANCHE DIODE IN THE ANOMALOUS MODE ARE SOLVED BY COUPLING THE DIODE BETWEEN THE CENTER CONDUCTOR AND GROUND CONDUCTOR OF A FIRST TEM MODE TRANSMISSION LINE. CENTER CONDUCTORS OF ADDITIONAL TEM MODE TRANSMISSION LINES, PROVIDING DIFFERENT ELECTRICAL PARAMETERS, ARE CAPACITIVELY COUPLED TO DIFFERENT SECTIONS OF THE CENTER CONDUCTOR OF THE FIRST TEM MODE TRANSMISSION LINE. D R A W I N G
Inventors
- 👤 A Rosen
- 👤 J Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:44
CPC Classifications
H; H03; H03B; H03B9/00; H03B9/12; H03B9/14; H03B9/147; H03F; H03F3/00; H03F3/04; H03F3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |