US3196368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide angle phase shifter or modulator
Assignee: RCA Corp
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Filing: 1961-12-26
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Granted: 1965-07-20
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Louis E Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:08
CPC Classifications
H; H03; H03C; H03C3/00; H03C3/10; H03C3/12; H03C3/22; H03H; H03H7/00; H03H7/18; H03H7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PHASE SHIFTER COMPRISING, IN COMBINATION, A FIRST INDUCTOR, A FIRST VARIABLE CAPACITANCE JUNCTION DIODE HAVING A FIRST AND SECOND ELECTRODE, A CAPACITOR, MEANS TO CONNECT THE FIRST ELECTRODE OF SAID DIODE TO ONE END OF SAID INDUCTOR AND THE SECOND ELECTRODE OF SAID DIODE TO ONE SIDE OF SAID CAPACITOR, MEANS TO CONNECT THE OTHER SIDE OF SAID CAPACITOR TO THE OTHER END OF SAID INDUCTOR, A SECOND INDUCTOR, A SECOND VARIABLE CAPACITANCE JUNCTION DIODE HAVING FIRST AND SECOND ELECTRODES SIMILAR TO THE RESPECTIVE FIRST AND SECOND ELECTRODES OF SAID DIODE, MEANS TO CONNECT THE FIRST ELECTRODE OF SAID SECOND DIODE TO ONE END OF SAID SECOND INDUCTOR AND TO CONNECT THE SECOND ELECTRODE OF SAID SECOND DIODE TO SAID ONE SIDE OF SAID CAPACITOR, MEANS TO CONNECT THE OTHER END OF
Claim 2
Dependent Claim
133 words
A PHASE SHIFTER COMPRISING, IN COMBINATION, A FIRST INDUCTOR, A FIRST VARIABLE CAPACITANCE JUNCTION DIODE HAVING A FIRST AND SECOND ELECTRODE, A CAPACITOR, MEANS TO CONNECT THE FIRST ELECTRODE OF SAID DIODE TO ONE END OF SAID INDUCTOR AND THE SECOND ELECTRODE OF SAID DIODE TO ONE SIDE OF SAID CAPACITOR, MEANS TO CONNECT THE OTHER SIDE OF SAID CAPACITOR TO THE OTHER END OF SAID INDUCTOR, A SECOND INDUCTOR, A SECOND VARIABLE CAPACITANCE JUNCTION DIODE HAVING FIRST AND SECOND ELECTRODES SIMILAR TO THE RESPECTIVE FIRST AND SECOND ELECTRODES OF SAID DIODE, MEANS TO CONNECT THE FIRST ELECTRODE OF SAID SECOND DIODE TO ONE END OF SAID SECOND INDUCTOR AND TO CONNECT THE SECOND ELECTRODE OF SAID SECOND DIODE TO SAID ONE SIDE OF SAID CAPACITOR, MEANS TO CONNECT THE OTHER END OF
References Cited (Backward Citations)
US3020493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |