DE3688131D1 - FRAME CONSTRUCTION FOR PHOTOELECTRIC SMOKE SENSOR. - Google Patents

FRAME CONSTRUCTION FOR PHOTOELECTRIC SMOKE SENSOR.

Info

Publication number
DE3688131D1
DE3688131D1 DE8686904401T DE3688131T DE3688131D1 DE 3688131 D1 DE3688131 D1 DE 3688131D1 DE 8686904401 T DE8686904401 T DE 8686904401T DE 3688131 T DE3688131 T DE 3688131T DE 3688131 D1 DE3688131 D1 DE 3688131D1
Authority
DE
Germany
Prior art keywords
smoke sensor
frame construction
photoelectric smoke
photoelectric
construction
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
DE8686904401T
Other languages
German (de)
Other versions
DE3688131T2 (en
Inventor
Etuichi Ohwasi
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.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai 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 Nohmi Bosai Ltd filed Critical Nohmi Bosai Ltd
Application granted granted Critical
Publication of DE3688131D1 publication Critical patent/DE3688131D1/en
Publication of DE3688131T2 publication Critical patent/DE3688131T2/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
    • 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
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE86904401T 1985-07-22 1986-07-22 FRAME CONSTRUCTION FOR PHOTOELECTRIC SMOKE SENSOR. Expired - Fee Related DE3688131T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1985111991U JPH0434442Y2 (en) 1985-07-22 1985-07-22
PCT/JP1986/000388 WO1987000667A1 (en) 1985-07-22 1986-07-22 Frame assembly of a photoelectric smoke sensor

Publications (2)

Publication Number Publication Date
DE3688131D1 true DE3688131D1 (en) 1993-04-29
DE3688131T2 DE3688131T2 (en) 1993-11-18

Family

ID=14575204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86904401T Expired - Fee Related DE3688131T2 (en) 1985-07-22 1986-07-22 FRAME CONSTRUCTION FOR PHOTOELECTRIC SMOKE SENSOR.

Country Status (5)

Country Link
EP (1) EP0233294B1 (en)
JP (1) JPH0434442Y2 (en)
CA (1) CA1294698C (en)
DE (1) DE3688131T2 (en)
WO (1) WO1987000667A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163698A (en) * 1986-12-26 1988-07-07 ホーチキ株式会社 Scattered light type smoke sensor
EP0569712B1 (en) * 1992-04-25 1998-03-04 Nohmi Bosai Ltd. Fire detector
ES2451915R1 (en) 2012-09-27 2014-06-02 Utc Fire & Security Americas Corporation, Inc. MODULAR SMOKE DETECTION SYSTEM AND PROCEDURE FOR MOUNTING A SMOKE DETECTION SYSTEM

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434178C2 (en) * 1974-07-16 1983-12-08 Matsushita Electric Works, Ltd., Kadoma, Osaka Smoke alarm device based on the light scattering principle
JPS54136981U (en) * 1978-03-15 1979-09-22
DE2830532A1 (en) * 1978-07-12 1980-01-31 Eichenauer Fa Fritz ELECTRIC RADIATOR FOR FLUID MEDIA
FR2454661A1 (en) * 1979-04-20 1980-11-14 Hochiki Co Fire detector coupling mechanism - has mounting plate with locating elements and terminal connections for detector head
JPS5721119U (en) * 1980-07-03 1982-02-03
JPS5812316U (en) * 1981-07-14 1983-01-26 村田　信夫 Western umbrella

Also Published As

Publication number Publication date
CA1294698C (en) 1992-01-21
EP0233294A4 (en) 1989-03-16
EP0233294B1 (en) 1993-03-24
WO1987000667A1 (en) 1987-01-29
EP0233294A1 (en) 1987-08-26
JPS6220359U (en) 1987-02-06
JPH0434442Y2 (en) 1992-08-17
DE3688131T2 (en) 1993-11-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee