US3098973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna incorporating active elements
Assignee: GTE Sylvania Inc
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Filing: 1960-05-27
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Granted: 1963-07-23
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Arthur F Wickersham
- 👤 Ross L Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:56
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/04; H03F3/10; H03F3/12; H01; H01Q; H01Q23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A DIPOLE ANTENNA COMPRISING A PAIR OF AXIALLY ALIGNED HOLLOW CONDUCTING ELEMENTS HAVING THEIR INNER ADJACENT ENDS AXIALLY SPACED APART, A TUNNEL DIODE MOUNTED WITHIN ONE OF SAID ELEMENTS AND HAVING TWO LEADS, BIAS VOLTAGE SUPPLY MEANS MOUNTED WITHIN ONE OF SAID ELEMENTS, MEANS FOR ELECTRICALLY CONNECTING THE LEADS OF SAID DIODE TO THE INNER ENDS RESPECTIVELY OF SAID ELEMENTS, MENS FOR ELECTRICALLY CONNECTING THE OUTPUT OF SAID SUPPLY MEANS ACROSS SAID ELEMENTS WHEREBY THE SUPPLY MEANS AND THE ELEMENTS AND THE DIODE ARE CONNECTED TOGETHER IN ELECTRICAL SERIES, THE OUTPUT OF SAID SUPPLY MEANS BEING OF SUCH MAGNITUDE THAT SAID DIODE OPERATES IN THE NEGATIVE RESISTANCE REGION OF ITS VOLTAGE-CURRENT CHARACTERISTIC, EACH OF SAID DIPOLE ELEMENTS HAVING A LENGTH SLIGHTLY GREATER THAN ITS RESONANT LENGTH AT THE MIDPOINT OF THE OPERATING FREQUENCY RANGE OF THE ANTENNA WHEREBY SAID ELEMENTS AND SAID TUNNEL DIODE JOINTLY JUNCTION AS A MICROWAVE AMPLIFIER OF SIGNALS IMPRESSED ON SAID ELEMENTS.
Claim 2
Dependent Claim
156 words
A DIPOLE ANTENNA COMPRISING A PAIR OF AXIALLY ALIGNED HOLLOW CONDUCTING ELEMENTS HAVING THEIR INNER ADJACENT ENDS AXIALLY SPACED APART, A TUNNEL DIODE MOUNTED WITHIN ONE OF SAID ELEMENTS AND HAVING TWO LEADS, BIAS VOLTAGE SUPPLY MEANS MOUNTED WITHIN ONE OF SAID ELEMENTS, MEANS FOR ELECTRICALLY CONNECTING THE LEADS OF SAID DIODE TO THE INNER ENDS RESPECTIVELY OF SAID ELEMENTS, MENS FOR ELECTRICALLY CONNECTING THE OUTPUT OF SAID SUPPLY MEANS ACROSS SAID ELEMENTS WHEREBY THE SUPPLY MEANS AND THE ELEMENTS AND THE DIODE ARE CONNECTED TOGETHER IN ELECTRICAL SERIES, THE OUTPUT OF SAID SUPPLY MEANS BEING OF SUCH MAGNITUDE THAT SAID DIODE OPERATES IN THE NEGATIVE RESISTANCE REGION OF ITS VOLTAGE-CURRENT CHARACTERISTIC, EACH OF SAID DIPOLE ELEMENTS HAVING A LENGTH SLIGHTLY GREATER THAN ITS RESONANT LENGTH AT THE MIDPOINT OF THE OPERATING FREQUENCY RANGE OF THE ANTENNA WHEREBY SAID ELEMENTS AND SAID TUNNEL DIODE JOINTLY JUNCTION AS A MICROWAVE AMPLIFIER OF SIGNALS IMPRESSED ON SAID ELEMENTS.
References Cited (Backward Citations)
US1930505A
Cited
US2169358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |