CA976636A - Serial loop communications system - Google Patents
Serial loop communications systemInfo
- Publication number
- CA976636A CA976636A CA158,252A CA158252A CA976636A CA 976636 A CA976636 A CA 976636A CA 158252 A CA158252 A CA 158252A CA 976636 A CA976636 A CA 976636A
- Authority
- CA
- Canada
- Prior art keywords
- communications system
- serial loop
- loop communications
- serial
- loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/423—Loop networks with centralised control, e.g. polling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Control (AREA)
- Time-Division Multiplex Systems (AREA)
- Small-Scale Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20786271A | 1971-12-14 | 1971-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA976636A true CA976636A (en) | 1975-10-21 |
Family
ID=22772283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA158,252A Expired CA976636A (en) | 1971-12-14 | 1972-12-05 | Serial loop communications system |
Country Status (6)
Country | Link |
---|---|
US (1) | US3723971A (de) |
JP (1) | JPS535761B2 (de) |
CA (1) | CA976636A (de) |
DE (1) | DE2251716C3 (de) |
FR (1) | FR2165423A5 (de) |
GB (1) | GB1356878A (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3938073A (en) * | 1973-05-07 | 1976-02-10 | Geophysical Systems Corporation | Data array network system |
US3881166A (en) * | 1973-05-07 | 1975-04-29 | Geophysical Systems Corp | Data array network systems |
US3990036A (en) * | 1974-02-28 | 1976-11-02 | Western Geophysical Co. | Multiplexing method and apparatus for telemetry of seismic data |
JPS5193138A (en) * | 1975-02-12 | 1976-08-16 | Johoshorisochini okeru kyotsujohono densohoshiki | |
DE2513323C2 (de) * | 1975-03-26 | 1985-05-23 | Robert Bosch Gmbh, 7000 Stuttgart | Fernwirkverfahren unter Verwendung eines Zentralsenders und Fernwirksystem zur Durchführung des Verfahrens |
US4001769A (en) * | 1975-03-28 | 1977-01-04 | Geophysical Systems Corporation | Data array network system |
SE393723B (sv) * | 1975-09-18 | 1977-05-16 | Philips Svenska Ab | Sett att overfora data mellan en centralstation och ett antal terminalstationer via en sluten serieoverforingsslinga samt anleggning for utforande av settet |
US4009469A (en) * | 1975-12-19 | 1977-02-22 | Ibm Corporation | Loop communications system with method and apparatus for switch to secondary loop |
CA1086397A (en) * | 1976-09-14 | 1980-09-23 | Charles G. Diefenderfer | Polling an data communication system having a pulse position to binary address conversion circuit |
DE2708037C3 (de) * | 1977-02-24 | 1979-11-15 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zum Betrieb von Teilbereichen eines digitalen Zeitmultiplex-Fernmeldenetzes für Fernverkehr |
US4156277A (en) * | 1977-09-26 | 1979-05-22 | Burroughs Corporation | Access request mechanism for a serial data input/output system |
US4161719A (en) * | 1977-10-04 | 1979-07-17 | Ncr Corporation | System for controlling synchronization in a digital communication system |
US4386426A (en) * | 1980-11-03 | 1983-05-31 | Burlington Industries, Inc. | Data transmission system |
US4410985A (en) * | 1981-03-25 | 1983-10-18 | Hitachi, Ltd. | Data transmission system and method |
JPS58104551A (ja) * | 1981-12-16 | 1983-06-22 | Mitsubishi Electric Corp | デ−タ伝送装置 |
DE3424866C2 (de) * | 1984-07-06 | 1986-04-30 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Verfahren und Anordnung zur Übertragung von Daten, insbesondere in einem Flugzeug |
US4631367A (en) * | 1984-08-29 | 1986-12-23 | Lantel International Corp. | Multi-line telephone system |
US4978953A (en) * | 1988-11-22 | 1990-12-18 | Technology 80, Inc. | Device for monitoring multiple digital data channels |
US5802321A (en) * | 1996-06-20 | 1998-09-01 | Square D Company | Synchronous serial communication network for controlling single point I/O devices |
DE102017208833B4 (de) | 2017-05-24 | 2018-12-13 | Wago Verwaltungsgesellschaft Mbh | Moduleinheit |
CN115691088B (zh) * | 2023-01-04 | 2023-05-02 | 上海海栎创科技股份有限公司 | 一种控制信号传输单元、***及方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3289165A (en) * | 1962-10-12 | 1966-11-29 | Berkeley Instr | Programming and telemetering system and apparatus |
US3656112A (en) * | 1969-03-14 | 1972-04-11 | Constellation Science And Tech | Utility meter remote automatic reading system |
US3601806A (en) * | 1969-06-23 | 1971-08-24 | North American Rockwell | Digital time multiplexed bidirectional communications system |
-
1971
- 1971-12-14 US US00207862A patent/US3723971A/en not_active Expired - Lifetime
-
1972
- 1972-10-06 GB GB4615772A patent/GB1356878A/en not_active Expired
- 1972-10-17 JP JP10330372A patent/JPS535761B2/ja not_active Expired
- 1972-10-21 DE DE2251716A patent/DE2251716C3/de not_active Expired
- 1972-11-14 FR FR7242139A patent/FR2165423A5/fr not_active Expired
- 1972-12-05 CA CA158,252A patent/CA976636A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4866905A (de) | 1973-09-13 |
DE2251716B2 (de) | 1974-05-22 |
US3723971A (en) | 1973-03-27 |
DE2251716C3 (de) | 1975-01-02 |
DE2251716A1 (de) | 1973-07-05 |
GB1356878A (en) | 1974-06-19 |
JPS535761B2 (de) | 1978-03-02 |
FR2165423A5 (de) | 1973-08-03 |
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