US3411101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveguide tunnel diode amplifier
Assignee: GTE Sylvania Inc
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Filing: 1966-02-01
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Granted: 1968-11-12
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Plutchok Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:49
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/04; H03F3/10; H03F3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A TUNNEL DIODE AMPLIFIER HAVING PRESCRIBED OPERATING FREQUENCIES COMPRISING A WAVEGUIDE FOR PROPAGATING ELECTROMAGNETIC WAVE SIGNALS, A TUNNEL DIODE HAVING FIRST AND SECOND TERMINALS, SAID TUNNEL DIODE BEING ORIENTED IN SAID WAVEGUIDE TRANSVERSELY TO WAVE PROPAGATION THEREIN, MEANS FOR COUPLING SAID TERMINALS OF SAID TUNNEL DIODE TO SAID WAVEGUIDE, BIAS MEANS OPERABLE TO BIAS SAID TUNNEL DIODE INTO ITS NEGATIVE RESISTANCE REGION FOR AMPLIFYING ELECTROMAGNETIC SIGNALS, AN ELECTRICALLY CONDUCTIVE POST EXTENDING THROUGH SAID WAVEGUIDE TRANSVERSELY OF THE DIRECTION OF WAVE PROPAGATION IN THE WAVEGUIDE AND BEING ELECTRICALLY CONNECTED TO SAID WAVEGUIDE AT JUNCTIONS OF SAID POST AND SAID WAVEGUIDE, SAID POST PROVIDING A REACTANCE IN SAID WAVEGUIDE, AND MEANS FOR MOVING SAID POST IN THE INTERIOR OF SAID WAVEGUIDE, SAID POST HAVING FIRST AND SECOND SECTIONS WITH DIFFERENT CROSS-SECTIONAL DIMENSIONS MEASURED TRANSVERSELY TO THE DIRECTIONS OF POST MOVEMENT AND WAVE PROPAGATION IN THE WAVEGUIDE WHEREBY POST MOVEMENT CHANGES THE LENGTHS OF SAID DIFFERENTLY DIMENSIONED POST SECTIONS WITHIN THE WAVEGUIDE TO CORRESPONDINGLY VARY THE REACTANCE PRODUCED BY THE POST AND THE OPERATING FREQUENCIES.
Claim 2
Dependent Claim
172 words
A TUNNEL DIODE AMPLIFIER HAVING PRESCRIBED OPERATING FREQUENCIES COMPRISING A WAVEGUIDE FOR PROPAGATING ELECTROMAGNETIC WAVE SIGNALS, A TUNNEL DIODE HAVING FIRST AND SECOND TERMINALS, SAID TUNNEL DIODE BEING ORIENTED IN SAID WAVEGUIDE TRANSVERSELY TO WAVE PROPAGATION THEREIN, MEANS FOR COUPLING SAID TERMINALS OF SAID TUNNEL DIODE TO SAID WAVEGUIDE, BIAS MEANS OPERABLE TO BIAS SAID TUNNEL DIODE INTO ITS NEGATIVE RESISTANCE REGION FOR AMPLIFYING ELECTROMAGNETIC SIGNALS, AN ELECTRICALLY CONDUCTIVE POST EXTENDING THROUGH SAID WAVEGUIDE TRANSVERSELY OF THE DIRECTION OF WAVE PROPAGATION IN THE WAVEGUIDE AND BEING ELECTRICALLY CONNECTED TO SAID WAVEGUIDE AT JUNCTIONS OF SAID POST AND SAID WAVEGUIDE, SAID POST PROVIDING A REACTANCE IN SAID WAVEGUIDE, AND MEANS FOR MOVING SAID POST IN THE INTERIOR OF SAID WAVEGUIDE, SAID POST HAVING FIRST AND SECOND SECTIONS WITH DIFFERENT CROSS-SECTIONAL DIMENSIONS MEASURED TRANSVERSELY TO THE DIRECTIONS OF POST MOVEMENT AND WAVE PROPAGATION IN THE WAVEGUIDE WHEREBY POST MOVEMENT CHANGES THE LENGTHS OF SAID DIFFERENTLY DIMENSIONED POST SECTIONS WITHIN THE WAVEGUIDE TO CORRESPONDINGLY VARY THE REACTANCE PRODUCED BY THE POST AND THE OPERATING FREQUENCIES.
References Cited (Backward Citations)
US3169227A
Cited
US3209276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |