JPS52136678A - Detected signal processing circuit of photoelectric - Google Patents

Detected signal processing circuit of photoelectric

Info

Publication number
JPS52136678A
JPS52136678A JP5348976A JP5348976A JPS52136678A JP S52136678 A JPS52136678 A JP S52136678A JP 5348976 A JP5348976 A JP 5348976A JP 5348976 A JP5348976 A JP 5348976A JP S52136678 A JPS52136678 A JP S52136678A
Authority
JP
Japan
Prior art keywords
photoelectric
signal processing
processing circuit
detected signal
action
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.)
Granted
Application number
JP5348976A
Other languages
Japanese (ja)
Other versions
JPS5828635B2 (en
Inventor
Kazunari Morisue
Kuniharu Katazuki
Toru Kahara
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 JP51053489A priority Critical patent/JPS5828635B2/en
Publication of JPS52136678A publication Critical patent/JPS52136678A/en
Publication of JPS5828635B2 publication Critical patent/JPS5828635B2/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
    • 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)

Abstract

PURPOSE:To pass only essential smoke signals, thus to raise reliance in the action of a photoelectric smoke detector by providing judging period for detecting activity to make delay action.
JP51053489A 1976-05-10 1976-05-10 Detection signal processing circuit in photoelectric smoke detector Expired JPS5828635B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51053489A JPS5828635B2 (en) 1976-05-10 1976-05-10 Detection signal processing circuit in photoelectric smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51053489A JPS5828635B2 (en) 1976-05-10 1976-05-10 Detection signal processing circuit in photoelectric smoke detector

Publications (2)

Publication Number Publication Date
JPS52136678A true JPS52136678A (en) 1977-11-15
JPS5828635B2 JPS5828635B2 (en) 1983-06-17

Family

ID=12944243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51053489A Expired JPS5828635B2 (en) 1976-05-10 1976-05-10 Detection signal processing circuit in photoelectric smoke detector

Country Status (1)

Country Link
JP (1) JPS5828635B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518983A (en) * 1974-07-11 1976-01-24 Omron Tateisi Electronics Co FUNIKIKENCHISOCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518983A (en) * 1974-07-11 1976-01-24 Omron Tateisi Electronics Co FUNIKIKENCHISOCHI

Also Published As

Publication number Publication date
JPS5828635B2 (en) 1983-06-17

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