Patent US3244813A successfully refreshed from Google Patents.
US3244813A
Expired / Lapsed
US
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Time division multiplex system
Assignee: TDK Micronas GmbH
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Filing: 1962-12-20
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Granted: 1966-04-05
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Schreiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:28
CPC Classifications
H; H04; H04Q; H04Q11/00; H04Q11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A DIGITAL SWITCHING SYSTEM COMPRISING: (A) A PLURALITY OF LINES, EACH LINE BEING ASSIGNED A TIME POSITION IN A REPETITIVE TRAIN OF TIME POSITIONS, (B) A SEPARATE LINE UNIT CONNECTED TO EACH LINE, (C) SETTABLE TRANSMITTING MEANS IN EACH LINE UNIT FOR TRANSMITTING SIGNALS FROM THE ASSOCIATED LINE AT ANY SELECTED TIME POSITION IN SAID REPETITIVE TRAIN AT WHICH SAID TRANSMITTING MEANS IS SET, AND (D) MEANS COMMON TO ALL SAID LINE UNITS FOR SETTING THE SETTABLE TRANSMITTING MEANS IN ANY TWO OF SAID LINE UNITS, EACH TO THE TIME POSITION OF THE OTHER, IN RESPONSE TO SIGNALS RECEIVED BY SAID COMMON MEANS FROM ONE OF THEM.
Claim 2
Dependent Claim
107 words
A DIGITAL SWITCHING SYSTEM COMPRISING: (A) A PLURALITY OF LINES, EACH LINE BEING ASSIGNED A TIME POSITION IN A REPETITIVE TRAIN OF TIME POSITIONS, (B) A SEPARATE LINE UNIT CONNECTED TO EACH LINE, (C) SETTABLE TRANSMITTING MEANS IN EACH LINE UNIT FOR TRANSMITTING SIGNALS FROM THE ASSOCIATED LINE AT ANY SELECTED TIME POSITION IN SAID REPETITIVE TRAIN AT WHICH SAID TRANSMITTING MEANS IS SET, AND (D) MEANS COMMON TO ALL SAID LINE UNITS FOR SETTING THE SETTABLE TRANSMITTING MEANS IN ANY TWO OF SAID LINE UNITS, EACH TO THE TIME POSITION OF THE OTHER, IN RESPONSE TO SIGNALS RECEIVED BY SAID COMMON MEANS FROM ONE OF THEM.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |