GB2095014B - Alarm system - Google Patents

Alarm system

Info

Publication number
GB2095014B
GB2095014B GB8108529A GB8108529A GB2095014B GB 2095014 B GB2095014 B GB 2095014B GB 8108529 A GB8108529 A GB 8108529A GB 8108529 A GB8108529 A GB 8108529A GB 2095014 B GB2095014 B GB 2095014B
Authority
GB
United Kingdom
Prior art keywords
alarm system
alarm
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
GB8108529A
Other versions
GB2095014A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8108529A priority Critical patent/GB2095014B/en
Publication of GB2095014A publication Critical patent/GB2095014A/en
Application granted granted Critical
Publication of GB2095014B publication Critical patent/GB2095014B/en
Expired legal-status Critical Current

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]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/003—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel replying the identity and the state of the sensor
    • 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]
    • H04L12/40—Bus networks
    • H04L12/403—Bus networks with centralised control, e.g. polling
GB8108529A 1981-03-18 1981-03-18 Alarm system Expired GB2095014B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8108529A GB2095014B (en) 1981-03-18 1981-03-18 Alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8108529A GB2095014B (en) 1981-03-18 1981-03-18 Alarm system

Publications (2)

Publication Number Publication Date
GB2095014A GB2095014A (en) 1982-09-22
GB2095014B true GB2095014B (en) 1984-06-27

Family

ID=10520485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8108529A Expired GB2095014B (en) 1981-03-18 1981-03-18 Alarm system

Country Status (1)

Country Link
GB (1) GB2095014B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1216340A (en) * 1982-05-14 1987-01-06 Dale R. Younge Intrusion detector
FR2569069B1 (en) * 1984-08-09 1987-03-06 Pellerin Christian SIGNAL TRANSMISSION SYSTEM FOR PARTICULARLY MONITORING A SET OF PREMISES TO BE PROTECTED
FR2582430B1 (en) * 1985-05-23 1987-10-23 Euram Umpi Ltd METHOD FOR TRANSMITTING SIGNALS INTENDED, PARTICULARLY FOR MONITORING SPECIAL EQUIPMENT, SUCH AS FOR EXAMPLE ALARM EQUIPMENT INSTALLED IN APARTMENTS, AND SYSTEM FOR CARRYING OUT SAID METHOD
GB8625020D0 (en) * 1986-10-18 1986-12-10 Woon K M Intruder detector
GB2330675B (en) * 1997-10-23 2001-06-20 Manhar Amlani An addressable alarm system
US6960987B2 (en) * 2001-09-21 2005-11-01 Hochiki Corporation Fire alarm system, fire sensor, fire receiver, and repeater
US7826525B2 (en) * 2007-02-16 2010-11-02 Illinois Tool Works, Inc. Pulse-based communication for devices connected to a bus

Also Published As

Publication number Publication date
GB2095014A (en) 1982-09-22

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Legal Events

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