JPS5354000A - Detection signal processing circuit of photoelectric type smoke detectors - Google Patents

Detection signal processing circuit of photoelectric type smoke detectors

Info

Publication number
JPS5354000A
JPS5354000A JP12893876A JP12893876A JPS5354000A JP S5354000 A JPS5354000 A JP S5354000A JP 12893876 A JP12893876 A JP 12893876A JP 12893876 A JP12893876 A JP 12893876A JP S5354000 A JPS5354000 A JP S5354000A
Authority
JP
Japan
Prior art keywords
signal processing
detection signal
processing circuit
smoke detectors
type 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.)
Granted
Application number
JP12893876A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6130320B2 (sv
Inventor
Kuniharu Tatezuki
Toru Kahara
Takeshi Nakano
Kazunari Morisue
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 JP12893876A priority Critical patent/JPS5354000A/ja
Priority to SE7711904A priority patent/SE432161B/sv
Priority to DE19772747692 priority patent/DE2747692C3/de
Priority to FR7732152A priority patent/FR2369746A1/fr
Publication of JPS5354000A publication Critical patent/JPS5354000A/ja
Publication of JPS6130320B2 publication Critical patent/JPS6130320B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • 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)
  • Fire-Detection Mechanisms (AREA)
  • Burglar Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP12893876A 1976-10-26 1976-10-26 Detection signal processing circuit of photoelectric type smoke detectors Granted JPS5354000A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP12893876A JPS5354000A (en) 1976-10-26 1976-10-26 Detection signal processing circuit of photoelectric type smoke detectors
SE7711904A SE432161B (sv) 1976-10-26 1977-10-21 Fotoelektrisk rokdetekteringsanordning
DE19772747692 DE2747692C3 (de) 1976-10-26 1977-10-25 Rauchmelder
FR7732152A FR2369746A1 (fr) 1976-10-26 1977-10-25 Detecteur photoelectrique de fumee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12893876A JPS5354000A (en) 1976-10-26 1976-10-26 Detection signal processing circuit of photoelectric type smoke detectors

Publications (2)

Publication Number Publication Date
JPS5354000A true JPS5354000A (en) 1978-05-16
JPS6130320B2 JPS6130320B2 (sv) 1986-07-12

Family

ID=14997107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12893876A Granted JPS5354000A (en) 1976-10-26 1976-10-26 Detection signal processing circuit of photoelectric type smoke detectors

Country Status (4)

Country Link
JP (1) JPS5354000A (sv)
DE (1) DE2747692C3 (sv)
FR (1) FR2369746A1 (sv)
SE (1) SE432161B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5544690A (en) * 1978-09-26 1980-03-29 Matsushita Electric Works Ltd Signal processing circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260984A (en) * 1979-03-17 1981-04-07 Hochiki Corporation Count discriminating fire detector
EP0971329B1 (de) * 1998-07-10 2003-03-05 Siemens Building Technologies AG Vorrichtung zur Überprüfung der Funktion von Streulichtrauchmeldern

Citations (1)

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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5247700B2 (sv) * 1972-03-06 1977-12-05
US3917956A (en) * 1974-03-08 1975-11-04 Pyrotector Inc Smoke detector
IL45331A (en) * 1973-11-26 1977-12-30 Chloride Batterijen Bv Photoelectric smoke detector
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating
CH576175A5 (sv) * 1974-12-19 1976-05-31 Cerberus Ag

Patent Citations (1)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5544690A (en) * 1978-09-26 1980-03-29 Matsushita Electric Works Ltd Signal processing circuit
JPS6225238B2 (sv) * 1978-09-26 1987-06-02 Matsushita Electric Works Ltd

Also Published As

Publication number Publication date
DE2747692C3 (de) 1988-09-08
FR2369746A1 (fr) 1978-05-26
DE2747692B2 (de) 1980-02-28
SE432161B (sv) 1984-03-19
JPS6130320B2 (sv) 1986-07-12
DE2747692A1 (de) 1978-04-27
SE7711904L (sv) 1978-04-27
FR2369746B1 (sv) 1982-11-05

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