GB1521273A - Communications system - Google Patents
Communications systemInfo
- Publication number
- GB1521273A GB1521273A GB40408/75A GB4040875A GB1521273A GB 1521273 A GB1521273 A GB 1521273A GB 40408/75 A GB40408/75 A GB 40408/75A GB 4040875 A GB4040875 A GB 4040875A GB 1521273 A GB1521273 A GB 1521273A
- Authority
- GB
- United Kingdom
- Prior art keywords
- memory
- station
- remote station
- master station
- words
- 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
- 230000015654 memory Effects 0.000 abstract 11
- 238000001514 detection method Methods 0.000 abstract 2
- 238000009432 framing Methods 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
- B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
- B61L7/08—Circuitry
- B61L7/088—Common line wire control using series of coded pulses
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Communication Control (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51684974A | 1974-10-21 | 1974-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1521273A true GB1521273A (en) | 1978-08-16 |
Family
ID=24057348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB40408/75A Expired GB1521273A (en) | 1974-10-21 | 1975-10-02 | Communications system |
Country Status (8)
Country | Link |
---|---|
AU (1) | AU501571B2 (nl) |
BR (1) | BR7506856A (nl) |
CA (1) | CA1045722A (nl) |
FR (1) | FR2289088A1 (nl) |
GB (1) | GB1521273A (nl) |
IT (1) | IT1049193B (nl) |
NL (1) | NL7512269A (nl) |
ZA (1) | ZA756385B (nl) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142175A (en) * | 1983-06-16 | 1985-01-09 | Hitachi Ltd | Data transmission system |
GB2184583A (en) * | 1985-12-24 | 1987-06-24 | Edi Engineering Limited | Control system |
GB2186404A (en) * | 1986-02-06 | 1987-08-12 | Notifier Co | Security system with signal accuracy checking |
GB2189335A (en) * | 1986-04-19 | 1987-10-21 | Edward Dorian Bailey | Electric signalling system |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2574190B1 (fr) * | 1984-11-30 | 1987-05-15 | Inst Francais Du Petrole | Procede pour controler la memorisation de donnees recues par un systeme d'enregistrement sismique et dispositif pour sa mise en oeuvre |
WO1989008354A1 (en) * | 1988-03-03 | 1989-09-08 | Siemens Aktiengesellschaft | Process for controlling and/or monitoring and circuit arrangement for implementing the process |
EP0400166A1 (de) * | 1989-05-30 | 1990-12-05 | Siemens Aktiengesellschaft | Verfahren zur Störungsortung in einer Einrichtung zur Überwachung und/oder Steuerung |
CN114894852B (zh) * | 2022-03-11 | 2024-06-14 | 东北大学 | 一种PtSnx-rGO-SnO2纳米复合材料及其制备方法和应用 |
-
1975
- 1975-09-18 CA CA235,790A patent/CA1045722A/en not_active Expired
- 1975-10-02 GB GB40408/75A patent/GB1521273A/en not_active Expired
- 1975-10-08 ZA ZA00756385A patent/ZA756385B/xx unknown
- 1975-10-17 FR FR7531795A patent/FR2289088A1/fr active Granted
- 1975-10-20 NL NL7512269A patent/NL7512269A/nl not_active Application Discontinuation
- 1975-10-20 BR BR7506856*A patent/BR7506856A/pt unknown
- 1975-10-20 IT IT12841/75A patent/IT1049193B/it active
- 1975-10-21 AU AU85910/75A patent/AU501571B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2142175A (en) * | 1983-06-16 | 1985-01-09 | Hitachi Ltd | Data transmission system |
GB2184583A (en) * | 1985-12-24 | 1987-06-24 | Edi Engineering Limited | Control system |
GB2186404A (en) * | 1986-02-06 | 1987-08-12 | Notifier Co | Security system with signal accuracy checking |
GB2189335A (en) * | 1986-04-19 | 1987-10-21 | Edward Dorian Bailey | Electric signalling system |
Also Published As
Publication number | Publication date |
---|---|
AU8591075A (en) | 1977-04-28 |
IT1049193B (it) | 1981-01-20 |
CA1045722A (en) | 1979-01-02 |
ZA756385B (en) | 1976-09-29 |
AU501571B2 (en) | 1979-06-21 |
FR2289088A1 (fr) | 1976-05-21 |
BR7506856A (pt) | 1976-08-17 |
NL7512269A (nl) | 1976-04-23 |
FR2289088B1 (nl) | 1980-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |