JPS6337338B2 - - Google Patents

Info

Publication number
JPS6337338B2
JPS6337338B2 JP55002730A JP273080A JPS6337338B2 JP S6337338 B2 JPS6337338 B2 JP S6337338B2 JP 55002730 A JP55002730 A JP 55002730A JP 273080 A JP273080 A JP 273080A JP S6337338 B2 JPS6337338 B2 JP S6337338B2
Authority
JP
Japan
Prior art keywords
circuit
oscillation
output
sampling
smoke
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
JP55002730A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56100343A (en
Inventor
Takeshi Nakano
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP273080A priority Critical patent/JPS56100343A/ja
Publication of JPS56100343A publication Critical patent/JPS56100343A/ja
Publication of JPS6337338B2 publication Critical patent/JPS6337338B2/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

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)
JP273080A 1980-01-14 1980-01-14 Photoelectric type smoke sensor Granted JPS56100343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP273080A JPS56100343A (en) 1980-01-14 1980-01-14 Photoelectric type smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP273080A JPS56100343A (en) 1980-01-14 1980-01-14 Photoelectric type smoke sensor

Publications (2)

Publication Number Publication Date
JPS56100343A JPS56100343A (en) 1981-08-12
JPS6337338B2 true JPS6337338B2 (sv) 1988-07-25

Family

ID=11537427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP273080A Granted JPS56100343A (en) 1980-01-14 1980-01-14 Photoelectric type smoke sensor

Country Status (1)

Country Link
JP (1) JPS56100343A (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053047U (ja) * 1983-09-20 1985-04-13 ホーチキ株式会社 煙感知器
JPH05166080A (ja) * 1991-12-16 1993-07-02 Yamato Protec Co 火災警報器
JP4996380B2 (ja) * 2007-07-13 2012-08-08 矢崎総業株式会社 火災警報器
WO2013146243A1 (ja) * 2012-03-27 2013-10-03 テルモ株式会社 センシング装置及びセンシング方法
WO2013146244A1 (ja) * 2012-03-27 2013-10-03 テルモ株式会社 センシング装置及びセンシング方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230485A (en) * 1975-09-04 1977-03-08 Matsushita Electric Works Ltd Detector
JPS5387282A (en) * 1976-11-16 1978-08-01 Chloride Batterijen Bv Smoke detector
JPS53143287A (en) * 1977-05-19 1978-12-13 Nittan Co Ltd Photoelectric smoke detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230485A (en) * 1975-09-04 1977-03-08 Matsushita Electric Works Ltd Detector
JPS5387282A (en) * 1976-11-16 1978-08-01 Chloride Batterijen Bv Smoke detector
JPS53143287A (en) * 1977-05-19 1978-12-13 Nittan Co Ltd Photoelectric smoke detector

Also Published As

Publication number Publication date
JPS56100343A (en) 1981-08-12

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