GB2091010B - Improvements in security warning devices - Google Patents

Improvements in security warning devices

Info

Publication number
GB2091010B
GB2091010B GB8135869A GB8135869A GB2091010B GB 2091010 B GB2091010 B GB 2091010B GB 8135869 A GB8135869 A GB 8135869A GB 8135869 A GB8135869 A GB 8135869A GB 2091010 B GB2091010 B GB 2091010B
Authority
GB
United Kingdom
Prior art keywords
warning devices
security warning
security
devices
warning
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
GB8135869A
Other versions
GB2091010A (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 GB8135869A priority Critical patent/GB2091010B/en
Publication of GB2091010A publication Critical patent/GB2091010A/en
Application granted granted Critical
Publication of GB2091010B publication Critical patent/GB2091010B/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm 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
    • G08B25/016Personal emergency signalling and security systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
GB8135869A 1980-11-28 1981-11-27 Improvements in security warning devices Expired GB2091010B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8135869A GB2091010B (en) 1980-11-28 1981-11-27 Improvements in security warning devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8038298 1980-11-28
GB8135869A GB2091010B (en) 1980-11-28 1981-11-27 Improvements in security warning devices

Publications (2)

Publication Number Publication Date
GB2091010A GB2091010A (en) 1982-07-21
GB2091010B true GB2091010B (en) 1984-11-07

Family

ID=26277674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8135869A Expired GB2091010B (en) 1980-11-28 1981-11-27 Improvements in security warning devices

Country Status (1)

Country Link
GB (1) GB2091010B (en)

Also Published As

Publication number Publication date
GB2091010A (en) 1982-07-21

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Legal Events

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