US3296536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined antenna and tunnel diode converter circuit
Assignee: Ohio State University Research Foundation
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Filing: 1960-06-06
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Granted: 1967-01-03
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Expires: 1980-06-06
Abstract
No abstract record available.
Inventors
- 👤 John R Copeland
- 👤 William J Robertson
- 👤 James C Gilfert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:39
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/06; H03D9/0608; H03D9/0625; H01; H01Q; H01Q23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AN ELECTRONIC RECEIVER SYSTEM FOR RECEIVING RADIO FREQUENCY SIGNALS IN THE OVER 1000 MEGACYCLE FREQUENCY RANGE COMPRISING; A TWO CABLE ANTENNA OPERATIVE TO RERECEIVE RADIO FREQUENCY SIGNALS IN THE OVER 1000 MEGACYCLES RANGE, EACH OF SAID CABLES HAVING AN INNER AND AN OUTER CONDUCTOR AND A FIRST AND SECOND END, THE FIRST END BEING THE POINT OF SIGNAL ORIGIN, A MIXER CIRCUIT INCLUDING A TUNNEL DIODE CONNECTED BETWEEN THE OUTER CONDUCTOR OF ONE OF SAID TWO CABLES AND THE OUTER CONDUCTOR OF THE OTHER OF SAID TWO CABLES, SAID TUNNEL DIODE FURTHER HAVING AN INPUT AND AN OUTPUT, SAID INPUT CONNECTED DIRECTLY TO THE
Claim 2
Dependent Claim
104 words
AN ELECTRONIC RECEIVER SYSTEM FOR RECEIVING RADIO FREQUENCY SIGNALS IN THE OVER 1000 MEGACYCLE FREQUENCY RANGE COMPRISING; A TWO CABLE ANTENNA OPERATIVE TO RERECEIVE RADIO FREQUENCY SIGNALS IN THE OVER 1000 MEGACYCLES RANGE, EACH OF SAID CABLES HAVING AN INNER AND AN OUTER CONDUCTOR AND A FIRST AND SECOND END, THE FIRST END BEING THE POINT OF SIGNAL ORIGIN, A MIXER CIRCUIT INCLUDING A TUNNEL DIODE CONNECTED BETWEEN THE OUTER CONDUCTOR OF ONE OF SAID TWO CABLES AND THE OUTER CONDUCTOR OF THE OTHER OF SAID TWO CABLES, SAID TUNNEL DIODE FURTHER HAVING AN INPUT AND AN OUTPUT, SAID INPUT CONNECTED DIRECTLY TO THE
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |