US3153701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerative repeater for a time division multiplex start-stop telegraph switching system
Assignee: KDDI Corp
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Filing: 1962-01-23
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Granted: 1964-10-20
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Oshima Shintaro
- 👤 Nakagome Yukio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:49
CPC Classifications
H; H04; H04L; H04L5/00; H04L5/22; H04L12/00; H04L12/50; H04L12/52; H04L12/525
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A TIME DIVISION TELEGRAPH SWITCHING SYSTEM, COMPRISING AN INPUT UNIT FOR RECEIVING AND CONVERTING INPUT TELEGRAPH SIGNALS WITH START-STOP CODE ELEMENTS APPLIED FROM A PLURALITY OF INPUT LINES INTO A TIME DIVISION MULTIPLEX PULSE SIGNAL, A PLURALITY OF INPUT LINES CONNECTED TO SAID UNIT TO APPLY SAID INPUT TELEGRAPH SIGNALS THERETO, AT LEAST ONE HIGHWAY CONNECTED TO THE INPUT UNIT, AT LEAST ONE TIME DIVISION MULTIPLEX TELEGRAPH REGENERATIVE REPEATER IN SAID HIGHWAY, AN OUTPUT UNIT CONNECTED TO SAID HIGHWAY FOR DISTRIBUTING SAID TIME DIVISION MULTIPLEX SIGNAL TO RESPECTIVE OUTPUT LINES, OUTPUT LINES CONNECTED TO SAID OUTPUT UNIT, A CONTROL UNIT FOR TIMING RESPECTIVE SAMPLING PULSES OF THE INPUT UNIT WITH RESPECTIVE SAMPLING PULSES OF THE OUTPUT UNIT WHEREBY SAID INPUT LINES ARE OPERABLY CONNECTED TO CORRESPONDING OUTPUT LINES SO AS TO COMPOSE RESPECTIVE TELEGRAPH CHANNELS, SAID REPEATER COMPRISING A START-STOP FOR GENERATING PULSES HAVING THE SAME PERIOD AS THAT OF THE TIME DIVISION MULTIPLEX PULSE SIGNALS OF THE HIGHWAY AND ALLOTTING SAID PULSES SUCCESSIVELY TO RESPECTIVE CHANNELS FOR A PERIOD EQUAL TO THE NUMBER OF
Claim 2
Dependent Claim
175 words
A TIME DIVISION TELEGRAPH SWITCHING SYSTEM, COMPRISING AN INPUT UNIT FOR RECEIVING AND CONVERTING INPUT TELEGRAPH SIGNALS WITH START-STOP CODE ELEMENTS APPLIED FROM A PLURALITY OF INPUT LINES INTO A TIME DIVISION MULTIPLEX PULSE SIGNAL, A PLURALITY OF INPUT LINES CONNECTED TO SAID UNIT TO APPLY SAID INPUT TELEGRAPH SIGNALS THERETO, AT LEAST ONE HIGHWAY CONNECTED TO THE INPUT UNIT, AT LEAST ONE TIME DIVISION MULTIPLEX TELEGRAPH REGENERATIVE REPEATER IN SAID HIGHWAY, AN OUTPUT UNIT CONNECTED TO SAID HIGHWAY FOR DISTRIBUTING SAID TIME DIVISION MULTIPLEX SIGNAL TO RESPECTIVE OUTPUT LINES, OUTPUT LINES CONNECTED TO SAID OUTPUT UNIT, A CONTROL UNIT FOR TIMING RESPECTIVE SAMPLING PULSES OF THE INPUT UNIT WITH RESPECTIVE SAMPLING PULSES OF THE OUTPUT UNIT WHEREBY SAID INPUT LINES ARE OPERABLY CONNECTED TO CORRESPONDING OUTPUT LINES SO AS TO COMPOSE RESPECTIVE TELEGRAPH CHANNELS, SAID REPEATER COMPRISING A START-STOP FOR GENERATING PULSES HAVING THE SAME PERIOD AS THAT OF THE TIME DIVISION MULTIPLEX PULSE SIGNALS OF THE HIGHWAY AND ALLOTTING SAID PULSES SUCCESSIVELY TO RESPECTIVE CHANNELS FOR A PERIOD EQUAL TO THE NUMBER OF
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |