US3230309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-channel tele-communication synchronization system
Assignee: Individual
•
Filing: 1964-12-24
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Granted: 1966-01-18
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Hendrik Cornelis Anthon Duuren
- 👤 Silva Herman Da
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:12
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/12; H04L1/16; H04L1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A SYNCHRONOUS TWO-WAY MULTI-CHANNEL TELECOMMUNICATION SYSTEM FOR COMMUNICATING EQUAL MULTI-ELEMENT BINARY CODE SIGNALS IN A PREDETERMINED MULTI-CHANNEL CYCLIC PATTERN BETWEEN A MASTER STATION AND A SLAVE STATION, EACH STATION HAVING: (A) A TANSMITTER, (B) A RECEIVER, AND (C) AN AUTOMATIC SIGNAL ERROR DETECTION AND REPETITION DEVICE, THE IMPROVEMENT COMPRISING AT EACH STATION: (D) MEANS FOR DETECTING LOSS OF SYNCHRONISM IN SAID PATTERN DURING REPETITION OPERATION, AND (E) MEANS CONNECTED TO SAID LOSS OF SYNCHRONISM DETECTING MEANS AND TO SAID REPETITION DEVICE FOR CORRECTNG SAID SYNCHRONISM BY SKIPPING THE TIME FOR AT LEAST ONE SIGNAL ELEMENT AT A TIME UNTIL SAID PATTERN SYNCHRONISM IS RESTORED.
Claim 2
Dependent Claim
105 words
IN A SYNCHRONOUS TWO-WAY MULTI-CHANNEL TELECOMMUNICATION SYSTEM FOR COMMUNICATING EQUAL MULTI-ELEMENT BINARY CODE SIGNALS IN A PREDETERMINED MULTI-CHANNEL CYCLIC PATTERN BETWEEN A MASTER STATION AND A SLAVE STATION, EACH STATION HAVING: (A) A TANSMITTER, (B) A RECEIVER, AND (C) AN AUTOMATIC SIGNAL ERROR DETECTION AND REPETITION DEVICE, THE IMPROVEMENT COMPRISING AT EACH STATION: (D) MEANS FOR DETECTING LOSS OF SYNCHRONISM IN SAID PATTERN DURING REPETITION OPERATION, AND (E) MEANS CONNECTED TO SAID LOSS OF SYNCHRONISM DETECTING MEANS AND TO SAID REPETITION DEVICE FOR CORRECTNG SAID SYNCHRONISM BY SKIPPING THE TIME FOR AT LEAST ONE SIGNAL ELEMENT AT A TIME UNTIL SAID PATTERN SYNCHRONISM IS RESTORED.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |