US3179754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric communication systems
Assignee: The General Electric Company PLC
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Filing: 1961-10-03
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Granted: 1965-04-20
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Ingram Derek George Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:53
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/44; H04B17/00; H04B17/40; H04B17/401; H04B17/402; H04B17/403
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
177 words
A COMMUNICATION SYSTEM INCLUDING TWO TERMINAL STATIONS AND A PLURALITY OF REPEATERS INTERCONNECTED BETWEEN THE TERMINAL STATIONS, A TRANSMISSION PATH WHICH CONNECTS THE TERMINAL STATIONS BY WAY OF THE REPEATERS FOR THE TRANSMISSION OF SIGNALS BETWEEN THE TERMINAL STATIONS AND WHICH COMPRISES TWO SEPARATE CONDUCTING PATHS, A SOURCE OF ELECTRIC CURRENT, MEANS AT ONE OF THE TERMINAL STATIONS TO CONNECT THE SOURCE BETWEEN THE TWO CONDUCTING PATHS OF THE TRANSMISSION PATH, MEANS TO CONNECT THE REPEATERS IN ONE OF THE TWO CONDUCTING PATHS SO THAT THE REPEATERS ARE CONNECTED IN SERIES WITH REGARD TO POWER SUPPLY CURRENT FED THERETO BY THE SOURCE, A PLURALITY OF VARIABLE RESISTANCE PATHS ONE ASSOCIATED WITH EACH REPEATER AND EACH OF THESE PATHS BYPASSING THE ASSOCIATED REPEATER, AND A PLURALITY OF MEANS WHICH ARE ASSOCIATED ONE WITH EACH REPEATER AND EACH OF WHICH RESPONDS TO A DROP IN THE SUPPLY CURRENT FED TO THE ASSOCIATED REPEATER TO REDUCE THE RESISTANCE OF THE VARIABLE RESISTANCE PATH ASSOCIATED WITH THAT REPEATER SO AS TO MAINTAIN THE FLOW OF SUPPLY CURRENT TO THE OTHER REPEATERS.
References Cited (Backward Citations)
US2321723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |