US3153206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase modulator
Assignee: Individual
•
Filing: 1961-05-03
•
Granted: 1964-10-13
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Expires: 1981-05-03
Abstract
No abstract record available.
Inventors
- 👤 Alan J Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:37
CPC Classifications
H; H03; H03C; H03C3/00; H03C3/10; H03C3/12; H03C3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A MODULATION CIRCUIT OF THE CHARACTER HAVING A PAIR OF INPUT AND A PAIR OF OUTPUT TERMINALS DISPOSED FOR RESPECTIVE CONNECTION TO A CARRIER SIGNAL SOURCE AND A LOAD, SAID CIRCUIT COMPRISING AN INDUCTIVE AND A CAPACITIVE CIRCUIT MEANS, RESPECTIVELY CONNECTED IN SERIES WITH THE LOAD FOR CONTROLLING THE PHASE OF AN APPLIED CARRIER SIGNAL IN ACCORDANCE TO THE MAGNITUDE OF THE RESPECTIVE INDUCTIVE AND CAPACITIVE REACTANCES THEREOF, SAID CAPACITIVE CIRCUIT MEANS INCLUDING A REFLECTANCE MEANS HAVING A PAIR OF INPUT LINES, AND A PAIR OF OUTPUT LINES FOR REFLECTING ACROSS SAID INPUT LINES AN IMPEDANCE RECIPROCAL TO THAT ACROSS SAID OUTPUT LINES, VARIATION MEANS CONNECTED TO SAID CIRCUIT MEANS FOR CONTROLLING THE RESPECTIVE REACTANCES THEREOF, COUPLING MEANS CONNECTED IN PARALLEL WITH SAID SERIES CONNECTED LOAD AND CIRCUIT MEANS FOR APPLYING A CARRIER SIGNAL THERETO.
Claim 2
Dependent Claim
135 words
A MODULATION CIRCUIT OF THE CHARACTER HAVING A PAIR OF INPUT AND A PAIR OF OUTPUT TERMINALS DISPOSED FOR RESPECTIVE CONNECTION TO A CARRIER SIGNAL SOURCE AND A LOAD, SAID CIRCUIT COMPRISING AN INDUCTIVE AND A CAPACITIVE CIRCUIT MEANS, RESPECTIVELY CONNECTED IN SERIES WITH THE LOAD FOR CONTROLLING THE PHASE OF AN APPLIED CARRIER SIGNAL IN ACCORDANCE TO THE MAGNITUDE OF THE RESPECTIVE INDUCTIVE AND CAPACITIVE REACTANCES THEREOF, SAID CAPACITIVE CIRCUIT MEANS INCLUDING A REFLECTANCE MEANS HAVING A PAIR OF INPUT LINES, AND A PAIR OF OUTPUT LINES FOR REFLECTING ACROSS SAID INPUT LINES AN IMPEDANCE RECIPROCAL TO THAT ACROSS SAID OUTPUT LINES, VARIATION MEANS CONNECTED TO SAID CIRCUIT MEANS FOR CONTROLLING THE RESPECTIVE REACTANCES THEREOF, COUPLING MEANS CONNECTED IN PARALLEL WITH SAID SERIES CONNECTED LOAD AND CIRCUIT MEANS FOR APPLYING A CARRIER SIGNAL THERETO.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |