GB2080000B - Data transmission system - Google Patents

Data transmission system

Info

Publication number
GB2080000B
GB2080000B GB8022664A GB8022664A GB2080000B GB 2080000 B GB2080000 B GB 2080000B GB 8022664 A GB8022664 A GB 8022664A GB 8022664 A GB8022664 A GB 8022664A GB 2080000 B GB2080000 B GB 2080000B
Authority
GB
United Kingdom
Prior art keywords
data transmission
transmission system
data
transmission
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
Application number
GB8022664A
Other versions
GB2080000A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shorrock Developments Ltd
Original Assignee
Shorrock Developments Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shorrock Developments Ltd filed Critical Shorrock Developments Ltd
Priority to GB8022664A priority Critical patent/GB2080000B/en
Publication of GB2080000A publication Critical patent/GB2080000A/en
Application granted granted Critical
Publication of GB2080000B publication Critical patent/GB2080000B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H04Q9/14—Calling by using pulses
GB8022664A 1980-07-10 1980-07-10 Data transmission system Expired GB2080000B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8022664A GB2080000B (en) 1980-07-10 1980-07-10 Data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8022664A GB2080000B (en) 1980-07-10 1980-07-10 Data transmission system

Publications (2)

Publication Number Publication Date
GB2080000A GB2080000A (en) 1982-01-27
GB2080000B true GB2080000B (en) 1983-11-30

Family

ID=10514683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8022664A Expired GB2080000B (en) 1980-07-10 1980-07-10 Data transmission system

Country Status (1)

Country Link
GB (1) GB2080000B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0106654A1 (en) * 1982-10-14 1984-04-25 BICC Public Limited Company Telemetry system
JPS61177841A (en) * 1985-02-04 1986-08-09 Mitsubishi Electric Corp Series transmitting device
FR2637107B1 (en) * 1988-09-26 1994-05-13 Alcatel Cit SYSTEM FOR COLLECTING ALARMS FROM A SET OF STATIONS
NL9000608A (en) * 1990-03-16 1991-10-16 Locamation Beheer B V COMMUNICATION SYSTEM.
EP0586715B2 (en) * 1992-08-05 2001-05-30 Siemens Aktiengesellschaft Information transfer method for transferring digital data
DE102004057286A1 (en) * 2004-11-26 2006-06-01 Hasberg, Günter, Dr. Electronic control system for automation technology

Also Published As

Publication number Publication date
GB2080000A (en) 1982-01-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee