US3147437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single side band radio carrier retrieval system
Assignee: Robertshaw Controls Co
•
Filing: 1962-03-13
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Granted: 1964-09-01
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Expires: 1982-03-13
Abstract
No abstract record available.
Inventors
- 👤 Cecil A Crafts
- 👤 Maynard D Mcfarlane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:37
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A SINGLE SIDE BAND RECEIVER FOR RECOVERING INTELLIGENCE TRANSMITTED IN A SINGLE SIDE BAND, SAID RECEIVER COMPRISING MEANS FOR RECEIVING A SINGLE SIDE BAND HIGH FREQUENCY TRANSMISSION, MEANS FOR RECOVERING FROM SAID RECEIVED TRANSMISSION A SINGLE SIDE BAND SIGNAL REPRESENTING THE ORIGINAL SINGLE SIDE BAND AS CREATED IN THE TRANSMITTER, MEANS IN SAID RECEIVER FOR CREATING A SIGNAL REPRESENTATIVE OF SAID ORIGINAL CARRIER SIGNAL, DEMODULATION MEANS USING SAID SIGNAL REPRESENTATIVE OF THE ORIGINAL CARRIER TO DEMODULATE SAID SINGLE SIDE BAND, AND MEANS FOR RECOVERING FROM SAID DEMODULATED SINGLE SIDE BAND A SIGNAL FOR CONTROLLING THE CREATION OF SAID CARRIER SIGNAL TO SYNCHRONIZE SAID CARRIER SIGNAL CREATED IN SAID RECEIVER WITH THE CARRIER CREATED IN SAID TRANSMITTER.
Claim 2
Dependent Claim
116 words
A SINGLE SIDE BAND RECEIVER FOR RECOVERING INTELLIGENCE TRANSMITTED IN A SINGLE SIDE BAND, SAID RECEIVER COMPRISING MEANS FOR RECEIVING A SINGLE SIDE BAND HIGH FREQUENCY TRANSMISSION, MEANS FOR RECOVERING FROM SAID RECEIVED TRANSMISSION A SINGLE SIDE BAND SIGNAL REPRESENTING THE ORIGINAL SINGLE SIDE BAND AS CREATED IN THE TRANSMITTER, MEANS IN SAID RECEIVER FOR CREATING A SIGNAL REPRESENTATIVE OF SAID ORIGINAL CARRIER SIGNAL, DEMODULATION MEANS USING SAID SIGNAL REPRESENTATIVE OF THE ORIGINAL CARRIER TO DEMODULATE SAID SINGLE SIDE BAND, AND MEANS FOR RECOVERING FROM SAID DEMODULATED SINGLE SIDE BAND A SIGNAL FOR CONTROLLING THE CREATION OF SAID CARRIER SIGNAL TO SYNCHRONIZE SAID CARRIER SIGNAL CREATED IN SAID RECEIVER WITH THE CARRIER CREATED IN SAID TRANSMITTER.
References Cited (Backward Citations)
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US2114333A
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US2283575A
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US2399469A
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US2323698A
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US2455959A
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Cited
US2907831A
Cited
US2852749A
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US2999154A
Cited
US3084328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |