GB9013752D0 - Detector and signalling system - Google Patents

Detector and signalling system

Info

Publication number
GB9013752D0
GB9013752D0 GB909013752A GB9013752A GB9013752D0 GB 9013752 D0 GB9013752 D0 GB 9013752D0 GB 909013752 A GB909013752 A GB 909013752A GB 9013752 A GB9013752 A GB 9013752A GB 9013752 D0 GB9013752 D0 GB 9013752D0
Authority
GB
United Kingdom
Prior art keywords
detector
signalling system
signalling
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Withdrawn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
GB909013752A
Other versions
GB2245398A (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.)
GLAZERTRON Ltd
Original Assignee
GLAZERTRON 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 GLAZERTRON Ltd filed Critical GLAZERTRON Ltd
Priority to GB9013752A priority Critical patent/GB2245398A/en
Publication of GB9013752D0 publication Critical patent/GB9013752D0/en
Publication of GB2245398A publication Critical patent/GB2245398A/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Withdrawn legal-status Critical Current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
    • G08B25/06—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 power transmission lines

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
GB9013752A 1990-06-20 1990-06-20 Detector and signalling system Withdrawn GB2245398A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9013752A GB2245398A (en) 1990-06-20 1990-06-20 Detector and signalling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9013752A GB2245398A (en) 1990-06-20 1990-06-20 Detector and signalling system

Publications (2)

Publication Number Publication Date
GB9013752D0 true GB9013752D0 (en) 1990-08-08
GB2245398A GB2245398A (en) 1992-01-02

Family

ID=10677920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9013752A Withdrawn GB2245398A (en) 1990-06-20 1990-06-20 Detector and signalling system

Country Status (1)

Country Link
GB (1) GB2245398A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2608351A1 (en) * 2011-12-20 2013-06-26 ABB Research Ltd. Handling resonances in a power transmission system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117462A (en) * 1976-06-01 1978-09-26 Engineering Systems Corporation Ultrasonic transmitter for burglar alarm system
GB1595947A (en) * 1977-11-30 1981-08-19 Gallipeau R B Electronic apparatus for monitoring movement of bed patients
CA1260100A (en) * 1985-06-13 1989-09-26 Donald E. Pezzolo Security control system
GB8625020D0 (en) * 1986-10-18 1986-12-10 Woon K M Intruder detector
GB8814710D0 (en) * 1988-06-21 1988-07-27 Keland Electronics Ltd Improvements relating to detection systems

Also Published As

Publication number Publication date
GB2245398A (en) 1992-01-02

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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)