GB9011326D0 - Ion type smoke sensor - Google Patents

Ion type smoke sensor

Info

Publication number
GB9011326D0
GB9011326D0 GB909011326A GB9011326A GB9011326D0 GB 9011326 D0 GB9011326 D0 GB 9011326D0 GB 909011326 A GB909011326 A GB 909011326A GB 9011326 A GB9011326 A GB 9011326A GB 9011326 D0 GB9011326 D0 GB 9011326D0
Authority
GB
United Kingdom
Prior art keywords
smoke sensor
ion type
type smoke
ion
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.)
Granted
Application number
GB909011326A
Other versions
GB2233818A (en
GB2233818B (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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Publication of GB9011326D0 publication Critical patent/GB9011326D0/en
Publication of GB2233818A publication Critical patent/GB2233818A/en
Application granted granted Critical
Publication of GB2233818B publication Critical patent/GB2233818B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB9011326A 1989-05-22 1990-05-21 Ion type smoke sensor Expired - Lifetime GB2233818B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1128585A JPH02307198A (en) 1989-05-22 1989-05-22 Ionization type smoke sensor

Publications (3)

Publication Number Publication Date
GB9011326D0 true GB9011326D0 (en) 1990-07-11
GB2233818A GB2233818A (en) 1991-01-16
GB2233818B GB2233818B (en) 1993-09-22

Family

ID=14988393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9011326A Expired - Lifetime GB2233818B (en) 1989-05-22 1990-05-21 Ion type smoke sensor

Country Status (9)

Country Link
JP (1) JPH02307198A (en)
AT (1) AT397878B (en)
AU (1) AU616844B2 (en)
CH (1) CH683465A5 (en)
DE (1) DE4016231C2 (en)
FI (1) FI902472A0 (en)
FR (1) FR2647217B1 (en)
GB (1) GB2233818B (en)
NO (1) NO300945B1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1568048A (en) * 1968-01-19 1969-05-23
CH563044A5 (en) * 1972-12-01 1975-06-13 Universal Det S A R L
JPS5175692A (en) * 1974-12-27 1976-06-30 Mitsubishi Metal Corp OSHOKUCHAKUSHOKUYOGANRYO OYOBISONOSEIZOHO
CA1115860A (en) * 1977-11-18 1982-01-05 Dennis W.S. Smout Smoke detectors
GB2014782B (en) * 1978-01-05 1982-06-23 Sound Diffusion Ltd Ionization smoke detectors
JPS5831275Y2 (en) * 1978-08-26 1983-07-11 ホーチキ株式会社 ionization smoke detector
JPH01102991U (en) * 1987-12-26 1989-07-12
US4937562A (en) * 1987-12-26 1990-06-26 Hochiki Corp. Moisture-proof ionization smoke detector

Also Published As

Publication number Publication date
AU5511490A (en) 1990-11-22
ATA112290A (en) 1993-11-15
AU616844B2 (en) 1991-11-07
DE4016231C2 (en) 1998-12-10
DE4016231A1 (en) 1990-11-29
FR2647217A1 (en) 1990-11-23
JPH02307198A (en) 1990-12-20
FR2647217B1 (en) 1995-02-17
NO902239L (en) 1990-11-23
FI902472A0 (en) 1990-05-18
GB2233818A (en) 1991-01-16
GB2233818B (en) 1993-09-22
NO902239D0 (en) 1990-05-21
CH683465A5 (en) 1994-03-15
NO300945B1 (en) 1997-08-18
AT397878B (en) 1994-07-25

Similar Documents

Publication Publication Date Title
EP0419733A3 (en) Cigarette
EP0186210A3 (en) Ion sensor
EP0228969A3 (en) Ion sensor
GB2220074B (en) Humidity sensor
GB8724351D0 (en) Ionisation sensor
EP0245168A3 (en) Ion sensor
EP0315788A3 (en) Ion sensors and their divided parts
ZA905255B (en) Cigarettes
GB9010829D0 (en) Ion detector
GB2240214B (en) Ionization-type smoke sensor
GB8929057D0 (en) Sensor
GB9016147D0 (en) Sensor
HU902220D0 (en) Sensor
GB8928395D0 (en) Sensor
GB8928289D0 (en) Improved cigarette
GB8509606D0 (en) Ion sensor
GB2235773B (en) Sensors
AU3421689A (en) Ion sensor
EP0377036A4 (en) Ion sensor
GB2233818B (en) Ion type smoke sensor
GB8924159D0 (en) Sensors
GB2230853B (en) Photoelectric smoke sensor
EP0436351A3 (en) Sensor
GB8923374D0 (en) Sensor
GB8716662D0 (en) Ion sensors