JPS52132700A - Smoke sensor - Google Patents

Smoke sensor

Info

Publication number
JPS52132700A
JPS52132700A JP4892076A JP4892076A JPS52132700A JP S52132700 A JPS52132700 A JP S52132700A JP 4892076 A JP4892076 A JP 4892076A JP 4892076 A JP4892076 A JP 4892076A JP S52132700 A JPS52132700 A JP S52132700A
Authority
JP
Japan
Prior art keywords
smoke sensor
light
receiving element
right angle
plates provided
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
JP4892076A
Other languages
English (en)
Inventor
Tamiji Noguchi
Yoshihiko Okuda
Tsunehiko Araki
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 JP4892076A priority Critical patent/JPS52132700A/ja
Publication of JPS52132700A publication Critical patent/JPS52132700A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
JP4892076A 1976-04-29 1976-04-29 Smoke sensor Pending JPS52132700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4892076A JPS52132700A (en) 1976-04-29 1976-04-29 Smoke sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4892076A JPS52132700A (en) 1976-04-29 1976-04-29 Smoke sensor

Publications (1)

Publication Number Publication Date
JPS52132700A true JPS52132700A (en) 1977-11-07

Family

ID=12816677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4892076A Pending JPS52132700A (en) 1976-04-29 1976-04-29 Smoke sensor

Country Status (1)

Country Link
JP (1) JPS52132700A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6178393U (ja) * 1984-10-29 1986-05-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6178393U (ja) * 1984-10-29 1986-05-26

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