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US3305636A
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Phase-shift data transmission system having a pseudo-noise sync code modulated with the data in a single channel
Assignee: Individual
•
Filing: 1963-05-14
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Granted: 1967-02-21
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Expires: 1983-05-14
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:14
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/69; H04B1/707; H04L; H04L7/00; H04L7/04; H04L7/041; H04L7/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A DIGITAL DATA COMMUNICATION SYSTEM, TRANSMITTING APPARATUS INCLUDING A CLOCK SIGNAL SOURCE; A CYCLIC BINARY CODE GENERATOR; FIRST MEANS CONNECTING SAID CODE GENERATOR TO SAID CLOCK SIGNAL SOURCE FOR CAUSING THE CODE GENERATED BY SAID GENERATOR TO MODULATE THE CLOCK SIGNAL PRODUCED BY SAID CLOCK SIGNAL SOURCE; A BINARY DATA SIGNAL SOURCE; AND SECOND MEANS CONNECTING SAID DATA SIGNAL SOURCE TO SAID FIRST MEANS FOR CAUSING THE DATA SIGNAL PRODUCED BY SAID DATA SIGNAL SOURCE TO MODULATE SAID MODULATED CLOCK SIGNAL.
Claim 2
Dependent Claim
82 words
IN A DIGITAL DATA COMMUNICATION SYSTEM, TRANSMITTING APPARATUS INCLUDING A CLOCK SIGNAL SOURCE; A CYCLIC BINARY CODE GENERATOR; FIRST MEANS CONNECTING SAID CODE GENERATOR TO SAID CLOCK SIGNAL SOURCE FOR CAUSING THE CODE GENERATED BY SAID GENERATOR TO MODULATE THE CLOCK SIGNAL PRODUCED BY SAID CLOCK SIGNAL SOURCE; A BINARY DATA SIGNAL SOURCE; AND SECOND MEANS CONNECTING SAID DATA SIGNAL SOURCE TO SAID FIRST MEANS FOR CAUSING THE DATA SIGNAL PRODUCED BY SAID DATA SIGNAL SOURCE TO MODULATE SAID MODULATED CLOCK SIGNAL.
References Cited (Backward Citations)
US2415919A
Cited
US3244808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |