Patent US3265980A successfully refreshed from Google Patents.
US3265980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Full wave synchronous demodulator
Assignee: Westinghouse Electric Corp
•
Filing: 1962-08-21
•
Granted: 1966-08-09
•
Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Francis T Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:03
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A SYNCHRONOUS DEMODULAOR COMPRISING, A SIGNAL TRANSFORMER HAVING TWO SECONDARY WINDINGS, EACH WINDING HAVING TWO TERMINALS, A DIODE CONNECTED TO ONE TERMINAL OF ONE WINDING, ANOTHER DIODE CONNECTED TO ONE TERMINAL OF THE OTHER WINDING OF INSTANTANEOUSLY OPPOSITE POLARITY, A FIRST PAIR OF OUTPUT TERMINALS, THE ENDS OF SAID DIODES REMOTE FROM THE WINDINGS BEING CONNECTED TO A COMMON OUTPUT TERMINAL OF SAID FIRST PAIR, A POWER TRANSFORMER HAVING A SECONDARY WINDING, A FULL WAVE BRIDGE RECTIFIER HAVING A PAIR OF INPUT TERMINALS CONNECTED TO THE SECONDARY WINDING OF THE POWER TRANSFORMER AND
Claim 2
Dependent Claim
93 words
A SYNCHRONOUS DEMODULAOR COMPRISING, A SIGNAL TRANSFORMER HAVING TWO SECONDARY WINDINGS, EACH WINDING HAVING TWO TERMINALS, A DIODE CONNECTED TO ONE TERMINAL OF ONE WINDING, ANOTHER DIODE CONNECTED TO ONE TERMINAL OF THE OTHER WINDING OF INSTANTANEOUSLY OPPOSITE POLARITY, A FIRST PAIR OF OUTPUT TERMINALS, THE ENDS OF SAID DIODES REMOTE FROM THE WINDINGS BEING CONNECTED TO A COMMON OUTPUT TERMINAL OF SAID FIRST PAIR, A POWER TRANSFORMER HAVING A SECONDARY WINDING, A FULL WAVE BRIDGE RECTIFIER HAVING A PAIR OF INPUT TERMINALS CONNECTED TO THE SECONDARY WINDING OF THE POWER TRANSFORMER AND
References Cited (Backward Citations)
US2898462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |