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JPS5229288A - Smoke detector - Google Patents

Smoke detector

Info

Publication number
JPS5229288A
JPS5229288A JP10545675A JP10545675A JPS5229288A JP S5229288 A JPS5229288 A JP S5229288A JP 10545675 A JP10545675 A JP 10545675A JP 10545675 A JP10545675 A JP 10545675A JP S5229288 A JPS5229288 A JP S5229288A
Authority
JP
Japan
Prior art keywords
smoke detector
sensitivity
smoke
type
employment
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.)
Pending
Application number
JP10545675A
Other languages
Japanese (ja)
Inventor
Atsushi Yamada
Kensaburo Tanemura
Kazunari Morisue
Yoshiharu Suzuki
Kuniharu Tatezuki
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 JP10545675A priority Critical patent/JPS5229288A/en
Publication of JPS5229288A publication Critical patent/JPS5229288A/en
Pending legal-status Critical Current

Links

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

PURPOSE: Both of photoelectric type and ionization type are arranged in a smoke detection section and sensitivity in made uniform through employment of addition system, whereby a smoke detector of less false operations and high sensitivity is provided.
COPYRIGHT: (C)1977,JPO&Japio
JP10545675A 1975-08-30 1975-08-30 Smoke detector Pending JPS5229288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10545675A JPS5229288A (en) 1975-08-30 1975-08-30 Smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10545675A JPS5229288A (en) 1975-08-30 1975-08-30 Smoke detector

Publications (1)

Publication Number Publication Date
JPS5229288A true JPS5229288A (en) 1977-03-04

Family

ID=14408077

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10545675A Pending JPS5229288A (en) 1975-08-30 1975-08-30 Smoke detector

Country Status (1)

Country Link
JP (1) JPS5229288A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401978A (en) * 1979-02-21 1983-08-30 The Gamewell Corporation Combination detector
JPS60230039A (en) * 1984-04-27 1985-11-15 Hochiki Corp Dimming type smoke detector
JPS6130193U (en) * 1984-07-24 1986-02-22 沖電気防災株式会社 photoelectric smoke detector
JPS63193297A (en) * 1987-02-06 1988-08-10 株式会社日立ビルシステムサービス Fire monitor
JPH026392U (en) * 1980-05-09 1990-01-17
CN103314288A (en) * 2011-01-22 2013-09-18 Utc消防及保安公司 Detector having a single source for ionization and photo detection

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401978A (en) * 1979-02-21 1983-08-30 The Gamewell Corporation Combination detector
JPH026392U (en) * 1980-05-09 1990-01-17
JPH0319030Y2 (en) * 1980-05-09 1991-04-22
JPS60230039A (en) * 1984-04-27 1985-11-15 Hochiki Corp Dimming type smoke detector
JPS6130193U (en) * 1984-07-24 1986-02-22 沖電気防災株式会社 photoelectric smoke detector
JPS63193297A (en) * 1987-02-06 1988-08-10 株式会社日立ビルシステムサービス Fire monitor
CN103314288A (en) * 2011-01-22 2013-09-18 Utc消防及保安公司 Detector having a single source for ionization and photo detection
CN103314288B (en) * 2011-01-22 2015-09-02 Utc消防及保安公司 There is the detecting device for ionizing the single source detected with light

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