Patent US3109152A successfully refreshed from Google Patents.
US3109152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave phase-shift devices
Assignee: Thales SA
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Filing: 1961-05-02
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Granted: 1963-10-29
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Expires: 1981-05-02
Abstract
No abstract record available.
Inventors
- 👤 Dachert Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:56
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/18; H01P1/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN A HIGH FREQUENCY TRANSMISSION LINE HAVING TWO CONDUCTORS, A PHASE SHIFTING DEVICE COMPRISING TWO DIODES SEPARATED SUBSTANTIALLY BY ONE WAVELENGTH OF THE OPERATING WAVE, RESPECTIVE MEANS FOR APPLYING A DIRECT CURRENT VOLTAGE ACROSS SAID DIODES FOR BIASING SAID DIODES IN THE REVERSE DIRECTION, MEANS FOR APPLYING IN SERIES WITH SAID BIASING VOLTAGE A CONTROL VOLTAGE FOR CONTROLLING THE PHASE SHIFT INTRODUCED BY SAID DIODES, THE SUM OF SAID TWO VOLTAGES BEING ALWAYS SUCH THAT THE DIODE IS ALWAYS BIASED IN THE REVERSE DIRECTION, A FIRST ADJUSTABLE PLUNGER EQUALLY SPACED FROM SAID DIODES, AND TWO FURTHER ADJUSTABLE PLUNGERS EQUALLY SPACED BETWEEN SAID FIRST PLUNGER AND RESPECTIVELY SAID TWO DIODES.
Claim 2
Dependent Claim
109 words
IN A HIGH FREQUENCY TRANSMISSION LINE HAVING TWO CONDUCTORS, A PHASE SHIFTING DEVICE COMPRISING TWO DIODES SEPARATED SUBSTANTIALLY BY ONE WAVELENGTH OF THE OPERATING WAVE, RESPECTIVE MEANS FOR APPLYING A DIRECT CURRENT VOLTAGE ACROSS SAID DIODES FOR BIASING SAID DIODES IN THE REVERSE DIRECTION, MEANS FOR APPLYING IN SERIES WITH SAID BIASING VOLTAGE A CONTROL VOLTAGE FOR CONTROLLING THE PHASE SHIFT INTRODUCED BY SAID DIODES, THE SUM OF SAID TWO VOLTAGES BEING ALWAYS SUCH THAT THE DIODE IS ALWAYS BIASED IN THE REVERSE DIRECTION, A FIRST ADJUSTABLE PLUNGER EQUALLY SPACED FROM SAID DIODES, AND TWO FURTHER ADJUSTABLE PLUNGERS EQUALLY SPACED BETWEEN SAID FIRST PLUNGER AND RESPECTIVELY SAID TWO DIODES.
References Cited (Backward Citations)
US2637813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |