CA1294698C - Frame assembly for a photocell-type smoke detector - Google Patents

Frame assembly for a photocell-type smoke detector

Info

Publication number
CA1294698C
CA1294698C CA000514413A CA514413A CA1294698C CA 1294698 C CA1294698 C CA 1294698C CA 000514413 A CA000514413 A CA 000514413A CA 514413 A CA514413 A CA 514413A CA 1294698 C CA1294698 C CA 1294698C
Authority
CA
Canada
Prior art keywords
frame
shield plate
base
engaging members
holes
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
CA000514413A
Other languages
English (en)
French (fr)
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 Kogyo 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 Nohmi Bosai Kogyo Co Ltd filed Critical Nohmi Bosai Kogyo Co Ltd
Application granted granted Critical
Publication of CA1294698C publication Critical patent/CA1294698C/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)
CA000514413A 1985-07-22 1986-07-22 Frame assembly for a photocell-type smoke detector Expired - Fee Related CA1294698C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP111991/1985 1985-07-22
JP1985111991U JPH0434442Y2 (ja) 1985-07-22 1985-07-22

Publications (1)

Publication Number Publication Date
CA1294698C true CA1294698C (en) 1992-01-21

Family

ID=14575204

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000514413A Expired - Fee Related CA1294698C (en) 1985-07-22 1986-07-22 Frame assembly for a photocell-type smoke detector

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63163698A (ja) * 1986-12-26 1988-07-07 ホーチキ株式会社 散乱光式煙感知器
EP0569712B1 (en) * 1992-04-25 1998-03-04 Nohmi Bosai Ltd. Fire detector
ES2451915R1 (es) 2012-09-27 2014-06-02 Utc Fire & Security Americas Corporation, Inc. Sistema modular de detección de humo y procedimiento para montar un sistema de detección de humo

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434178C2 (de) * 1974-07-16 1983-12-08 Matsushita Electric Works, Ltd., Kadoma, Osaka Rauchmeldegerät nach dem Lichtstreuprinzip
JPS54136981U (ja) * 1978-03-15 1979-09-22
DE2830532A1 (de) * 1978-07-12 1980-01-31 Eichenauer Fa Fritz Elektrischer heizkoerper fuer fluide medien
FR2454661A1 (fr) * 1979-04-20 1980-11-14 Hochiki Co Appareil de detection d'incendie a tetes detectrices interchangeables
JPS5721119U (ja) * 1980-07-03 1982-02-03
JPS5812316U (ja) * 1981-07-14 1983-01-26 村田　信夫 洋傘

Also Published As

Publication number Publication date
DE3688131D1 (de) 1993-04-29
EP0233294A1 (en) 1987-08-26
DE3688131T2 (de) 1993-11-18
EP0233294A4 (en) 1989-03-16
JPH0434442Y2 (ja) 1992-08-17
EP0233294B1 (en) 1993-03-24
JPS6220359U (ja) 1987-02-06
WO1987000667A1 (en) 1987-01-29

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Legal Events

Date Code Title Description
MKLA Lapsed