US3088070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency correcting communication system and method
Assignee: ARINC Inc
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Filing: 1959-05-13
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Granted: 1963-04-30
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Expires: 1979-05-13
Abstract
No abstract record available.
Inventors
- 👤 Raymond B Robel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
H; H03; H03L; H03L7/00; H04; H04B; H04B7/00; H04B7/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
126 words
A RECEIVER ADAPTED TO RECEIVE AN INTELLIGENCE SIGNAL WHOSE INTELLIGENCE IS EMBODIED AT LEAST IN PART IN THE FREQUENCY OF THE SIGNAL, AND TWO PILOT SIGNALS WHEREIN ONE PILOT SIGNAL HAS A FREQUENCY EQUAL TO A DETERMINED MULTIPLE OF THE FREQUENCY DIFFERENCE BETWEEN THE PILOT SIGNALS WHEN TRANSMITTED, COMPRISING MEANS FOR DERIVING FROM SAID TWO PILOT SIGNALS A SIGNAL HAVING SAID DIFFERENCE FREQUENCY, MEANS FOR DERIVING FROM SAID DIFFERENCE FREQUENCY SIGNAL AND FROM SAID RECEIVED ONE PILOT SIGNAL A FREQUENCY CORRECTION FACTOR OF THE AMOUNT OF FREQUENCY CHANGE THE TRANSMITTED SIGNALS HAVE SUFFERED IN TRANSMISSION, AND MEANS FOR CHANGING THE FREQUENCY OF THE RECEIVED INTELLIGENCE SIGNAL BY SAID AMOUNT OF FREQUENCY CHANGE TO CORRECT SAID RECEIVED INTELLIGENCE SIGNAL TO THE FREQUENCY VALUE HAD AT SAID TRANSMITTER.
References Cited (Backward Citations)
US2735083A
Cited
US2530614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |