JPS5362500A - Photoelectric type smoke detector - Google Patents

Photoelectric type smoke detector

Info

Publication number
JPS5362500A
JPS5362500A JP13805376A JP13805376A JPS5362500A JP S5362500 A JPS5362500 A JP S5362500A JP 13805376 A JP13805376 A JP 13805376A JP 13805376 A JP13805376 A JP 13805376A JP S5362500 A JPS5362500 A JP S5362500A
Authority
JP
Japan
Prior art keywords
smoke detector
type smoke
photoelectric type
photo detector
receiver
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
JP13805376A
Other languages
Japanese (ja)
Other versions
JPS5729757B2 (en
Inventor
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 JP13805376A priority Critical patent/JPS5362500A/en
Publication of JPS5362500A publication Critical patent/JPS5362500A/en
Publication of JPS5729757B2 publication Critical patent/JPS5729757B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate the effects of external noises by so disposing a projector and a receiver that their optical axes are not positioned in alignment, integrating the photo detector and amplifier circuit of said receiver part and accommodating the assembly into a shield case having a diaphragm hole at the front of the photo detector.
COPYRIGHT: (C)1978,JPO&Japio
JP13805376A 1976-11-16 1976-11-16 Photoelectric type smoke detector Granted JPS5362500A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13805376A JPS5362500A (en) 1976-11-16 1976-11-16 Photoelectric type smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13805376A JPS5362500A (en) 1976-11-16 1976-11-16 Photoelectric type smoke detector

Publications (2)

Publication Number Publication Date
JPS5362500A true JPS5362500A (en) 1978-06-03
JPS5729757B2 JPS5729757B2 (en) 1982-06-24

Family

ID=15212876

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13805376A Granted JPS5362500A (en) 1976-11-16 1976-11-16 Photoelectric type smoke detector

Country Status (1)

Country Link
JP (1) JPS5362500A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59138938A (en) * 1983-01-31 1984-08-09 Matsushita Electric Works Ltd Smoke detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59138938A (en) * 1983-01-31 1984-08-09 Matsushita Electric Works Ltd Smoke detector
JPH0153740B2 (en) * 1983-01-31 1989-11-15 Matsushita Electric Works Ltd

Also Published As

Publication number Publication date
JPS5729757B2 (en) 1982-06-24

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