JPH033277B2 - - Google Patents

Info

Publication number
JPH033277B2
JPH033277B2 JP54013652A JP1365279A JPH033277B2 JP H033277 B2 JPH033277 B2 JP H033277B2 JP 54013652 A JP54013652 A JP 54013652A JP 1365279 A JP1365279 A JP 1365279A JP H033277 B2 JPH033277 B2 JP H033277B2
Authority
JP
Japan
Prior art keywords
light
dark box
light source
scattered
thin plates
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 - Lifetime
Application number
JP54013652A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55462A (en
Inventor
Mitsuo Hasegawa
Yoshinori Shinohara
Takashi Suzuki
Akira Yokota
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
Priority to JP1365279A priority Critical patent/JPS55462A/ja
Publication of JPS55462A publication Critical patent/JPS55462A/ja
Publication of JPH033277B2 publication Critical patent/JPH033277B2/ja
Granted 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
    • G08B17/107—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 for detecting light-scattering due to smoke
    • 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
JP1365279A 1979-02-08 1979-02-08 Optical scatter type smoke sensor Granted JPS55462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1365279A JPS55462A (en) 1979-02-08 1979-02-08 Optical scatter type smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1365279A JPS55462A (en) 1979-02-08 1979-02-08 Optical scatter type smoke sensor

Publications (2)

Publication Number Publication Date
JPS55462A JPS55462A (en) 1980-01-05
JPH033277B2 true JPH033277B2 (en]) 1991-01-18

Family

ID=11839144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1365279A Granted JPS55462A (en) 1979-02-08 1979-02-08 Optical scatter type smoke sensor

Country Status (1)

Country Link
JP (1) JPS55462A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH082797Y2 (ja) * 1989-08-24 1996-01-29 能美防災株式会社 散乱光式煙感知器
CN100434664C (zh) 2005-06-06 2008-11-19 株式会社丰田自动织机 均质充量压缩点火式内燃机

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH491449A (de) * 1969-05-19 1970-05-31 Cerberus Ag Rauchdetektoranordnung mit mindestens einer Rauchmesskammer

Also Published As

Publication number Publication date
JPS55462A (en) 1980-01-05

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