US3214733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data multiplexing apparatus
Assignee: International Business Machines Corp
•
Filing: 1960-12-23
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Granted: 1965-10-26
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Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Dana R Spencer
- 👤 Philip P Cartier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:05
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/06; G08C15/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A DATA MULTIPLEXING SYSTEM HAVING A NUMBER OF REMOTE STATIONS AND A CENTRAL STATION, APPARATUS TO SAMPLE THE DATA MESSGE AT EACH STATION IN TIME SEQUENCE FOR TRANSMISSION OVER A COMMON BUS TO THE CENTRAL AND FOR ROUTING EACH DATA MESSAGE TO A RELATED DESTINATION IN THE CENTRAL COMPRISINGS, IN COMBINATION, A CLOCK GENERATOR AT SAID CENTRAL FOR GENERATING PERIODIC DATA SAMPLE PULSES, A DATA SAMPLE LINE RESPONSIVE TO SAMPLE PULSES FROM SAID GENERATOR, SAID LINE EXTENDING TO EACH OF SAID REMOTE STATIONS IN TURN AND INCLUDING SIGNAL DELAY ELEMENTS SPACED THEREUPON WITH EACH REMOTE STATION BEING TAPPED TO SAID LINE AT AN INDIVIDUAL POINT SO THAT EACH SAMPLE PULSE IS APPLIED THERETO AFTER A CORRESPONDING RELATED TIME DELAY, A DATA SOURCE DEVICE AT EACH OF SAID REMOTE STATIONS, A COMMON DATA BUS SYSTEM
Claim 2
Dependent Claim
135 words
IN A DATA MULTIPLEXING SYSTEM HAVING A NUMBER OF REMOTE STATIONS AND A CENTRAL STATION, APPARATUS TO SAMPLE THE DATA MESSGE AT EACH STATION IN TIME SEQUENCE FOR TRANSMISSION OVER A COMMON BUS TO THE CENTRAL AND FOR ROUTING EACH DATA MESSAGE TO A RELATED DESTINATION IN THE CENTRAL COMPRISINGS, IN COMBINATION, A CLOCK GENERATOR AT SAID CENTRAL FOR GENERATING PERIODIC DATA SAMPLE PULSES, A DATA SAMPLE LINE RESPONSIVE TO SAMPLE PULSES FROM SAID GENERATOR, SAID LINE EXTENDING TO EACH OF SAID REMOTE STATIONS IN TURN AND INCLUDING SIGNAL DELAY ELEMENTS SPACED THEREUPON WITH EACH REMOTE STATION BEING TAPPED TO SAID LINE AT AN INDIVIDUAL POINT SO THAT EACH SAMPLE PULSE IS APPLIED THERETO AFTER A CORRESPONDING RELATED TIME DELAY, A DATA SOURCE DEVICE AT EACH OF SAID REMOTE STATIONS, A COMMON DATA BUS SYSTEM
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |