GB2356933B - Gas monitor - Google Patents

Gas monitor

Info

Publication number
GB2356933B
GB2356933B GB9928219A GB9928219A GB2356933B GB 2356933 B GB2356933 B GB 2356933B GB 9928219 A GB9928219 A GB 9928219A GB 9928219 A GB9928219 A GB 9928219A GB 2356933 B GB2356933 B GB 2356933B
Authority
GB
United Kingdom
Prior art keywords
gas monitor
monitor
gas
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 - Fee Related
Application number
GB9928219A
Other versions
GB2356933A (en
GB9928219D0 (en
Inventor
Sonya Tehereh Marks
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.)
Lattice Intellectual Property Ltd
Transco PLC
BG Transco PLC
BG Group Ltd
British Gas PLC
Original Assignee
BG PLC
Lattice Intellectual Property Ltd
Transco PLC
BG Transco PLC
British Gas PLC
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 BG PLC, Lattice Intellectual Property Ltd, Transco PLC, BG Transco PLC, British Gas PLC filed Critical BG PLC
Priority to GB9928219A priority Critical patent/GB2356933B/en
Publication of GB9928219D0 publication Critical patent/GB9928219D0/en
Publication of GB2356933A publication Critical patent/GB2356933A/en
Application granted granted Critical
Publication of GB2356933B publication Critical patent/GB2356933B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0073—Control unit therefor
GB9928219A 1999-11-30 1999-11-30 Gas monitor Expired - Fee Related GB2356933B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9928219A GB2356933B (en) 1999-11-30 1999-11-30 Gas monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9928219A GB2356933B (en) 1999-11-30 1999-11-30 Gas monitor

Publications (3)

Publication Number Publication Date
GB9928219D0 GB9928219D0 (en) 2000-01-26
GB2356933A GB2356933A (en) 2001-06-06
GB2356933B true GB2356933B (en) 2003-09-03

Family

ID=10865380

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9928219A Expired - Fee Related GB2356933B (en) 1999-11-30 1999-11-30 Gas monitor

Country Status (1)

Country Link
GB (1) GB2356933B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175943A (en) * 2013-02-27 2013-06-26 北京师范大学 Garden green-land carbon sinking capacity detecting system based on automatic sampling analysis

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2437472B (en) * 2005-02-17 2010-05-12 Ranco Inc Adverse condition detector with diagnostics
US9082275B2 (en) * 2011-02-18 2015-07-14 Lyndon Frederick Baker Alarm device for alerting hazardous conditions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384283A (en) * 1979-06-12 1983-05-17 Bayer Aktiengesellschaft Method and an apparatus for monitoring the subjection of individual people to harmful gases
US4860223A (en) * 1987-09-24 1989-08-22 Rule Industries, Inc. Carbon monoxide health hazard monitor
US5969623A (en) * 1996-04-10 1999-10-19 Marketspan Corporation Gas alarm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384283A (en) * 1979-06-12 1983-05-17 Bayer Aktiengesellschaft Method and an apparatus for monitoring the subjection of individual people to harmful gases
US4860223A (en) * 1987-09-24 1989-08-22 Rule Industries, Inc. Carbon monoxide health hazard monitor
US5969623A (en) * 1996-04-10 1999-10-19 Marketspan Corporation Gas alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103175943A (en) * 2013-02-27 2013-06-26 北京师范大学 Garden green-land carbon sinking capacity detecting system based on automatic sampling analysis

Also Published As

Publication number Publication date
GB2356933A (en) 2001-06-06
GB9928219D0 (en) 2000-01-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031203