GB2142500B - Monitoring of dangerous environments - Google Patents

Monitoring of dangerous environments

Info

Publication number
GB2142500B
GB2142500B GB08415014A GB8415014A GB2142500B GB 2142500 B GB2142500 B GB 2142500B GB 08415014 A GB08415014 A GB 08415014A GB 8415014 A GB8415014 A GB 8415014A GB 2142500 B GB2142500 B GB 2142500B
Authority
GB
United Kingdom
Prior art keywords
monitoring
dangerous environments
dangerous
environments
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
GB08415014A
Other versions
GB2142500A (en
GB8415014D0 (en
Inventor
Geoffrey Charles Meggitt
Albert Cook
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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
Priority claimed from GB838316610A external-priority patent/GB8316610D0/en
Application filed by UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Priority to GB08415014A priority Critical patent/GB2142500B/en
Publication of GB8415014D0 publication Critical patent/GB8415014D0/en
Publication of GB2142500A publication Critical patent/GB2142500A/en
Application granted granted Critical
Publication of GB2142500B publication Critical patent/GB2142500B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19697—Arrangements wherein non-video detectors generate an alarm themselves
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/14—Toxic gas alarms

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Multimedia (AREA)
  • Environmental & Geological Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measurement Of Radiation (AREA)
GB08415014A 1983-06-17 1984-06-13 Monitoring of dangerous environments Expired GB2142500B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08415014A GB2142500B (en) 1983-06-17 1984-06-13 Monitoring of dangerous environments

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838316610A GB8316610D0 (en) 1983-06-17 1983-06-17 Monitoring of radiation
GB08415014A GB2142500B (en) 1983-06-17 1984-06-13 Monitoring of dangerous environments

Publications (3)

Publication Number Publication Date
GB8415014D0 GB8415014D0 (en) 1984-07-18
GB2142500A GB2142500A (en) 1985-01-16
GB2142500B true GB2142500B (en) 1986-08-20

Family

ID=26286411

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08415014A Expired GB2142500B (en) 1983-06-17 1984-06-13 Monitoring of dangerous environments

Country Status (1)

Country Link
GB (1) GB2142500B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742227A (en) * 1985-05-29 1988-05-03 Mitsubishi Denki Kabushiki Kaisha Mobile type inspection apparatus
FR2615056A1 (en) * 1987-05-07 1988-11-10 Fayard Thierry Digital communication system with miniaturised and microprocessorised receiver
JP2921936B2 (en) * 1990-07-13 1999-07-19 株式会社東芝 Image monitoring device
GB9100733D0 (en) * 1991-01-14 1991-02-27 Xerox Corp Indexing of data sets
AU2001236932A1 (en) * 2000-02-10 2001-08-20 Digibot Inc. System and method of facilities and operations monitoring and remote management support
US20030080866A1 (en) * 2001-10-26 2003-05-01 Koninklijke Philips Electronics N.V. Doubled sided pen module
FR2933563B1 (en) * 2008-07-04 2010-09-03 Nexess METHOD AND SYSTEM FOR MONITORING A PERSON CARRYING A BADGE AND LIKELY TO BE IN A POTENTIALLY AT RISK AREA
GB201802113D0 (en) 2018-02-09 2018-03-28 Soletanche Freyssinet Sas System for and method of surveying a surface

Also Published As

Publication number Publication date
GB2142500A (en) 1985-01-16
GB8415014D0 (en) 1984-07-18

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Free format text: 5161,PAGE 295

PCNP Patent ceased through non-payment of renewal fee
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950613