US3136861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pcm network synchronization
Assignee: AT&T Inc
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Filing: 1962-10-18
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Granted: 1964-06-09
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 John S Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:51
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/06; H04J3/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A TIME DIVISION TRANSMISSION SYSTEM FOR A PLURALITY OF ASYNCHRONOUS PULSE TRAINS COMPRISING MEANS FOR CONVERTING THE PULSE REPETITION RATE OF EACH OF SAID PULSE TRAINS TO A COMMON HIGHER PULSE REPETITION RATE BY THE INSERTION OF CONTROL PULSES AND SPACES INTO EACH PULSE TRAIN, MEANS FOR MULTIPLEXING SAID CONVERTED PULSE TRAINS ON A COMMON TIME-DIVIDED TRANSMISSION FACILITY, MEANS FOR DEMULTIPLEXING SAID TRANSMITTED SIGNAL, MEANS INCLUDING PREDICTION MEANS FOR REMOVING SAID CONTROL PULSES AND SPACES FROM SAID HIGHER PULSE REPETITION RATE PULSE TRAINS.
Claim 2
Dependent Claim
83 words
A TIME DIVISION TRANSMISSION SYSTEM FOR A PLURALITY OF ASYNCHRONOUS PULSE TRAINS COMPRISING MEANS FOR CONVERTING THE PULSE REPETITION RATE OF EACH OF SAID PULSE TRAINS TO A COMMON HIGHER PULSE REPETITION RATE BY THE INSERTION OF CONTROL PULSES AND SPACES INTO EACH PULSE TRAIN, MEANS FOR MULTIPLEXING SAID CONVERTED PULSE TRAINS ON A COMMON TIME-DIVIDED TRANSMISSION FACILITY, MEANS FOR DEMULTIPLEXING SAID TRANSMITTED SIGNAL, MEANS INCLUDING PREDICTION MEANS FOR REMOVING SAID CONTROL PULSES AND SPACES FROM SAID HIGHER PULSE REPETITION RATE PULSE TRAINS.
References Cited (Backward Citations)
US3042751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |