US3559097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power,high efficiency silicon avalanche diode uhf and l band oscillator
Assignee: RCA Corp
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Filing: 1969-02-05
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Granted: 1971-01-26
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Expires: 1989-02-05
Abstract
Abstract A IMPROVED SILICON AVALANCHE DIODE OSCILLATOR FOR PULSED OPERATION IN THE UHF OR L BAND, WHICH HAS AN EFFCIENCY (40 PERCENT OR BETTER) AT LEAST EQUAL TO THAT OF VACUUM TUBE OSCILLATORS OPERATING AT THESE FREQUENCIES, IS OBTAINED BY UTILIZING AT LEAST THREE SPACED SLIDING SHORT STUB TUNERS AS PART OF A COAXIAL STRUCTURE IN WHICH IS SITUATED THE DIODE.
Inventors
- 👤 Kern K N Chang
- 👤 Hans J Prager
- 👤 Sherman Weisbrod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:42
CPC Classifications
H; H03; H03B; H03B9/00; H03B9/12; H03B9/14
Claims Analysis
Total Claims: 0
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |