US3072904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus for transmitting station
Assignee: Individual
•
Filing: 1959-06-02
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Granted: 1963-01-08
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Expires: 1979-06-02
Abstract
No abstract record available.
Inventors
- 👤 Yaffee Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:43
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/30; F41G7/301; F41G7/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
APPARATUS FOR REMOTELY TUNING A TRANSMITTER TO A DESIRED FREQUENCY COMPRISING TUNING MEANS OPERABLE FOR VARYING THE TRANSMITTING FREQUENCY OF A TRANSMITTER, SIGNAL GENERATING MEANS FOR DEVELOPING A SIGNAL OF A DESIRED FREQUENCY, A SCANNING SUPERHETERODYNE RECEIVER HAVING A LOCAL OSCILLATOR RESPONSIVE TO SIGNALS FROM THE TRANSMITTER, SAID RECEIVER INCLUDING A LOCK-ON CIRCUIT INITIALLY RESPONSIVE TO SIGNAL RECEIVED FROM THE TRANSMITTER FOR SUSPENDING RECEIVER SCANNING AND FOR EFFECTING RECEIVER FOLLOWING OF THE VARYING FREQUENCY OF THE TRANSMITTER SIGNAL, AND CIRCUIT MEANS SELECTIVELY RESPONSIVE TO THE DIFFERENCE FREQUENCY BETWEEN THE SIGNAL DEVELOPED BY SAID SIGNAL GENERATING MEANS AND THE LOCAL OSCILLATOR OF SAID RECEIVER FOR TERMINATING OPERATION OF SAID TUNING MEANS.
Claim 2
Dependent Claim
110 words
APPARATUS FOR REMOTELY TUNING A TRANSMITTER TO A DESIRED FREQUENCY COMPRISING TUNING MEANS OPERABLE FOR VARYING THE TRANSMITTING FREQUENCY OF A TRANSMITTER, SIGNAL GENERATING MEANS FOR DEVELOPING A SIGNAL OF A DESIRED FREQUENCY, A SCANNING SUPERHETERODYNE RECEIVER HAVING A LOCAL OSCILLATOR RESPONSIVE TO SIGNALS FROM THE TRANSMITTER, SAID RECEIVER INCLUDING A LOCK-ON CIRCUIT INITIALLY RESPONSIVE TO SIGNAL RECEIVED FROM THE TRANSMITTER FOR SUSPENDING RECEIVER SCANNING AND FOR EFFECTING RECEIVER FOLLOWING OF THE VARYING FREQUENCY OF THE TRANSMITTER SIGNAL, AND CIRCUIT MEANS SELECTIVELY RESPONSIVE TO THE DIFFERENCE FREQUENCY BETWEEN THE SIGNAL DEVELOPED BY SAID SIGNAL GENERATING MEANS AND THE LOCAL OSCILLATOR OF SAID RECEIVER FOR TERMINATING OPERATION OF SAID TUNING MEANS.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |