JPS5399899A - Smoke sensor - Google Patents

Smoke sensor

Info

Publication number
JPS5399899A
JPS5399899A JP1531777A JP1531777A JPS5399899A JP S5399899 A JPS5399899 A JP S5399899A JP 1531777 A JP1531777 A JP 1531777A JP 1531777 A JP1531777 A JP 1531777A JP S5399899 A JPS5399899 A JP S5399899A
Authority
JP
Japan
Prior art keywords
smoke sensor
inspection
pierce
shields
constitution
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
JP1531777A
Other languages
Japanese (ja)
Inventor
Yuji Shimizu
Kiyomi Murai
Shuntaro Aoki
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 JP1531777A priority Critical patent/JPS5399899A/en
Publication of JPS5399899A publication Critical patent/JPS5399899A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To obtain the constitution in which the inspection can be repeated easily, by making some part of the cover, which shields, the light source and photo detector of the optical smoke sensor from external light of an elastic body, and by causing a small pointed body to pierce as to the inspection.
COPYRIGHT: (C)1978,JPO&Japio
JP1531777A 1977-02-14 1977-02-14 Smoke sensor Pending JPS5399899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1531777A JPS5399899A (en) 1977-02-14 1977-02-14 Smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1531777A JPS5399899A (en) 1977-02-14 1977-02-14 Smoke sensor

Publications (1)

Publication Number Publication Date
JPS5399899A true JPS5399899A (en) 1978-08-31

Family

ID=11885391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1531777A Pending JPS5399899A (en) 1977-02-14 1977-02-14 Smoke sensor

Country Status (1)

Country Link
JP (1) JPS5399899A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102509415A (en) * 2011-12-27 2012-06-20 上海烟草集团有限责任公司 Smoke detecting fire-fighting probe protector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102509415A (en) * 2011-12-27 2012-06-20 上海烟草集团有限责任公司 Smoke detecting fire-fighting probe protector

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