GB8915914D0 - Radio linked intruder alarm and annunciator apparatus - Google Patents

Radio linked intruder alarm and annunciator apparatus

Info

Publication number
GB8915914D0
GB8915914D0 GB898915914A GB8915914A GB8915914D0 GB 8915914 D0 GB8915914 D0 GB 8915914D0 GB 898915914 A GB898915914 A GB 898915914A GB 8915914 A GB8915914 A GB 8915914A GB 8915914 D0 GB8915914 D0 GB 8915914D0
Authority
GB
United Kingdom
Prior art keywords
intruder alarm
radio linked
annunciator apparatus
annunciator
radio
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.)
Withdrawn
Application number
GB898915914A
Other versions
GB2233859A (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 GB8915914A priority Critical patent/GB2233859A/en
Publication of GB8915914D0 publication Critical patent/GB8915914D0/en
Publication of GB2233859A publication Critical patent/GB2233859A/en
Withdrawn legal-status Critical Current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
    • G08B25/10—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 wireless transmission systems
GB8915914A 1989-07-11 1989-07-11 Intruder alarms Withdrawn GB2233859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8915914A GB2233859A (en) 1989-07-11 1989-07-11 Intruder alarms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8915914A GB2233859A (en) 1989-07-11 1989-07-11 Intruder alarms

Publications (2)

Publication Number Publication Date
GB8915914D0 true GB8915914D0 (en) 1989-08-31
GB2233859A GB2233859A (en) 1991-01-16

Family

ID=10659894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8915914A Withdrawn GB2233859A (en) 1989-07-11 1989-07-11 Intruder alarms

Country Status (1)

Country Link
GB (1) GB2233859A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492539A1 (en) * 1980-10-20 1982-04-23 Morey Gilles DETECTION METHOD AND SYSTEM IN PARTICULAR FOR MONITORING INSTALLATIONS OR AUTOMATIONS
JPS592198A (en) * 1982-06-29 1984-01-07 日本警備保障株式会社 Security system
GB2133251B (en) * 1982-12-02 1986-05-21 Racal Security Ltd Improvements in and relating to remote sensing systems

Also Published As

Publication number Publication date
GB2233859A (en) 1991-01-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)