[go: up one dir, main page]

GB2074721B - Smoke sensor apparatus - Google Patents

Smoke sensor apparatus

Info

Publication number
GB2074721B
GB2074721B GB8101525A GB8101525A GB2074721B GB 2074721 B GB2074721 B GB 2074721B GB 8101525 A GB8101525 A GB 8101525A GB 8101525 A GB8101525 A GB 8101525A GB 2074721 B GB2074721 B GB 2074721B
Authority
GB
United Kingdom
Prior art keywords
sensor apparatus
smoke sensor
smoke
sensor
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
GB8101525A
Other versions
GB2074721A (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.)
FURNACE CONSTRUCTION CO Ltd
Original Assignee
FURNACE CONSTRUCTION CO 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 FURNACE CONSTRUCTION CO Ltd filed Critical FURNACE CONSTRUCTION CO Ltd
Priority to GB8101525A priority Critical patent/GB2074721B/en
Publication of GB2074721A publication Critical patent/GB2074721A/en
Application granted granted Critical
Publication of GB2074721B publication Critical patent/GB2074721B/en
Expired 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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB8101525A 1980-04-23 1981-01-19 Smoke sensor apparatus Expired GB2074721B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8101525A GB2074721B (en) 1980-04-23 1981-01-19 Smoke sensor apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8013381 1980-04-23
GB8101525A GB2074721B (en) 1980-04-23 1981-01-19 Smoke sensor apparatus

Publications (2)

Publication Number Publication Date
GB2074721A GB2074721A (en) 1981-11-04
GB2074721B true GB2074721B (en) 1983-09-07

Family

ID=26275303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8101525A Expired GB2074721B (en) 1980-04-23 1981-01-19 Smoke sensor apparatus

Country Status (1)

Country Link
GB (1) GB2074721B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58214996A (en) * 1982-06-09 1983-12-14 ニツタン株式会社 Fire sensor
US4582672A (en) * 1982-08-11 1986-04-15 Westinghouse Electric Corp. Method and apparatus for preventing inadvertent criticality in a nuclear fueled electric powering generating unit
CA1277005C (en) * 1983-10-21 1990-11-27 Martin T. Cole Smoke detection apparatus
DE3618693A1 (en) * 1985-06-12 1986-12-18 Yoshida Kogyo K.K., Tokio/Tokyo METHOD AND DEVICE FOR DETERMINING THE PRESENCE OF A HUMAN BODY
GB8913773D0 (en) * 1989-06-15 1989-08-02 Fire Fighting Enterprises Uk L Particle detectors
DE4320861A1 (en) * 1993-06-23 1995-01-05 Hekatron Gmbh Circuit arrangement for an optical detector for environmental monitoring and display of an interference medium
DE4320873A1 (en) * 1993-06-23 1995-01-05 Hekatron Gmbh Circuit arrangement for an optical detector for environmental monitoring and display of an interference medium
JPH11224387A (en) * 1998-02-05 1999-08-17 Hochiki Corp Dim smoke detector
GB2334575A (en) * 1998-02-19 1999-08-25 Azur Env Ltd Environmental monitor and alarm having an updated allowable measurement range

Also Published As

Publication number Publication date
GB2074721A (en) 1981-11-04

Similar Documents

Publication Publication Date Title
JPS57813A (en) Sensor
JPS56106123A (en) Sensor device
GB2090411B (en) Object detecting apparatus
JPS56148009A (en) Sensor device
JPS56151324A (en) Sensor device
JPS57108734A (en) Sensor
GB2102583B (en) Combination-weighing apparatus
GB2083201B (en) Cab-heating apparatus
DE3169023D1 (en) Sensor
SG30485G (en) Controlled-torque apparatus
JPS57119233A (en) Sensor device
DE3162994D1 (en) Fluid-settling apparatus
JPS57108735A (en) Sensor
JPS5729917A (en) Sensor device
DE3168756D1 (en) Polisher-finer apparatus
GB2081476B (en) Sensor controlled cooking apparatus
GB2074721B (en) Smoke sensor apparatus
JPS5752440A (en) Hemadinamometer apparatus
JPS56159800A (en) Sensor unit
DE3066131D1 (en) Thermo-imaging apparatus
GB2088228B (en) Fodder-mixing apparatus
JPS5695049A (en) Fingerrpressure apparatus
JPS56114098A (en) Light sensing apparatus
JPS5741795A (en) Fire sensor
JPS5725098A (en) Smoke sensor

Legal Events

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