JPS53100295A - Ionization type smoke detector - Google Patents

Ionization type smoke detector

Info

Publication number
JPS53100295A
JPS53100295A JP1531577A JP1531577A JPS53100295A JP S53100295 A JPS53100295 A JP S53100295A JP 1531577 A JP1531577 A JP 1531577A JP 1531577 A JP1531577 A JP 1531577A JP S53100295 A JPS53100295 A JP S53100295A
Authority
JP
Japan
Prior art keywords
smoke detector
type smoke
ionization type
ionization
dissipation
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
JP1531577A
Other languages
Japanese (ja)
Inventor
Yuji Shimizu
Kiyomi Murai
Kazuhiko Kuboo
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP1531577A priority Critical patent/JPS53100295A/en
Publication of JPS53100295A publication Critical patent/JPS53100295A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prevent the dissipation of radio isotope (RI) by enclosing smoke sensing part by a shield case of heat-resistant metal.
COPYRIGHT: (C)1978,JPO&Japio
JP1531577A 1977-02-14 1977-02-14 Ionization type smoke detector Pending JPS53100295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1531577A JPS53100295A (en) 1977-02-14 1977-02-14 Ionization type smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1531577A JPS53100295A (en) 1977-02-14 1977-02-14 Ionization type smoke detector

Publications (1)

Publication Number Publication Date
JPS53100295A true JPS53100295A (en) 1978-09-01

Family

ID=11885339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1531577A Pending JPS53100295A (en) 1977-02-14 1977-02-14 Ionization type smoke detector

Country Status (1)

Country Link
JP (1) JPS53100295A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044194U (en) * 1983-09-05 1985-03-28 能美防災工業株式会社 Heat-resistant case for ionization smoke detector
JPS618397U (en) * 1984-06-19 1986-01-18 ホーチキ株式会社 fire detector
JPS6457592U (en) * 1987-10-05 1989-04-10
JPH02178800A (en) * 1988-12-28 1990-07-11 Hochiki Corp Ionization type smoke sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5082999A (en) * 1970-07-23 1975-07-04 Cerberus Ag

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5082999A (en) * 1970-07-23 1975-07-04 Cerberus Ag

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044194U (en) * 1983-09-05 1985-03-28 能美防災工業株式会社 Heat-resistant case for ionization smoke detector
JPH0441437Y2 (en) * 1983-09-05 1992-09-29
JPS618397U (en) * 1984-06-19 1986-01-18 ホーチキ株式会社 fire detector
JPS6457592U (en) * 1987-10-05 1989-04-10
JPH057674Y2 (en) * 1987-10-05 1993-02-25
JPH02178800A (en) * 1988-12-28 1990-07-11 Hochiki Corp Ionization type smoke sensor

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