GB1268338A - Fire detector - Google Patents

Fire detector

Info

Publication number
GB1268338A
GB1268338A GB61264/70A GB6126470A GB1268338A GB 1268338 A GB1268338 A GB 1268338A GB 61264/70 A GB61264/70 A GB 61264/70A GB 6126470 A GB6126470 A GB 6126470A GB 1268338 A GB1268338 A GB 1268338A
Authority
GB
United Kingdom
Prior art keywords
fire detector
housing
detector
socket
lamp
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
GB61264/70A
Inventor
Akira Ozawa
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.)
Nittan Co Ltd
Original Assignee
Nittan 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Publication of GB1268338A publication Critical patent/GB1268338A/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
    • 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

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

1,268,338. Fire detectors. NITTAN CO. Ltd. 23 Dec., 1970 [16 Jan., 1970 (2)], No. 61264/70. Heading HlN. In a fire detector having a housing 1 and a base socket 2 either the housing or socket has an annular transparent or translucent portion within which is a lamp indicating actuation of the detector, whereby the lamp can be seen from any direction. The portion is of acrylic resin and is formed internally or externally with an irregular shape causing multiple reflections.
GB61264/70A 1970-01-16 1970-12-23 Fire detector Expired GB1268338A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP446270 1970-01-16
JP446370 1970-01-16

Publications (1)

Publication Number Publication Date
GB1268338A true GB1268338A (en) 1972-03-29

Family

ID=26338231

Family Applications (1)

Application Number Title Priority Date Filing Date
GB61264/70A Expired GB1268338A (en) 1970-01-16 1970-12-23 Fire detector

Country Status (1)

Country Link
GB (1) GB1268338A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570431A1 (en) * 1991-02-07 1993-11-24 JAMES HARDIE BUILDING SERVICES & TECHNOLOGIES LIMITED Detector with indicator light
EP3213309A1 (en) * 2014-10-29 2017-09-06 iHaus Ag Novel building automation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0570431A1 (en) * 1991-02-07 1993-11-24 JAMES HARDIE BUILDING SERVICES & TECHNOLOGIES LIMITED Detector with indicator light
EP0570431A4 (en) * 1991-02-07 1996-03-27 Hardie James Building Services Detector with indicator light
EP3213309A1 (en) * 2014-10-29 2017-09-06 iHaus Ag Novel building automation

Similar Documents

Publication Publication Date Title
GB1002157A (en) A new or improved push-button assembly
NL168403C (en) ZIPPER WITH AN EMERGENCY OPENING ZONE AND ITEM EQUIPPED WITH SUCH A ZIPPER.
CA958206A (en) Spirit level with translucent spirit vial housings
USD242851S (en) House trailer
GB1268338A (en) Fire detector
GB1269091A (en) Housing for an electrical component
CA1016640A (en) Near-infrared light emitting diodes and detectors employing cdsnp2:inp heterodiodes
USD254695S (en) Lantern housing
USD250289S (en) Explosion proof high intensity discharge lamp for mines or the like
USD251630S (en) Light diffuser
CA928761A (en) Tube base and socket
USD220641S (en) Lighting fixture
USD189429S (en) Combined flood and search light or similar article
USD209463S (en) Ceiling-mounted light fixture
Tezuka et al. Photo-valence isomerization between 2-phenyl-1, 3-oxazepine and 3-phenyl-2-oxa-4-azabicyclo [3, 2, 0] hepta-3, 6-diene
AU1914870A (en) Base fora lamp socket and lamp socket incorporating the base
USD248990S (en) Cabinet for a light source
USD223398S (en) Light standard or similar article
USD263762S (en) Lamp base
USD185591S (en) Electric lamp
GB1322346A (en) Document container in combination with a rider
USD220536S (en) Light standard or similar article
CH523466A (en) Luminaire with lamp sockets arranged in the luminaire housing
USD242603S (en) Combined light intensity and moisture content indicator
USD217283S (en) Combined yard lamp and identification sign