JPS5361299A - Photoelectric smoke detector - Google Patents

Photoelectric smoke detector

Info

Publication number
JPS5361299A
JPS5361299A JP13678176A JP13678176A JPS5361299A JP S5361299 A JPS5361299 A JP S5361299A JP 13678176 A JP13678176 A JP 13678176A JP 13678176 A JP13678176 A JP 13678176A JP S5361299 A JPS5361299 A JP S5361299A
Authority
JP
Japan
Prior art keywords
smoke detector
photoelectric smoke
amplifier
photoelectric
sensitivity
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
JP13678176A
Other languages
Japanese (ja)
Inventor
Fujinori Kimura
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.)
Toshiba Tec Corp
Original Assignee
Tokyo Electric Co 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 Tokyo Electric Co Ltd filed Critical Tokyo Electric Co Ltd
Priority to JP13678176A priority Critical patent/JPS5361299A/en
Publication of JPS5361299A publication Critical patent/JPS5361299A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Emergency Alarm Devices (AREA)
  • Fire Alarms (AREA)

Abstract

PURPOSE: To achieve the reduction in current consumption by providing a voltage detecting part which increases the sensitivity of an amplifier in the front stage of the amplifier or in the amplifier.
COPYRIGHT: (C)1978,JPO&Japio
JP13678176A 1976-11-12 1976-11-12 Photoelectric smoke detector Pending JPS5361299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13678176A JPS5361299A (en) 1976-11-12 1976-11-12 Photoelectric smoke detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13678176A JPS5361299A (en) 1976-11-12 1976-11-12 Photoelectric smoke detector

Publications (1)

Publication Number Publication Date
JPS5361299A true JPS5361299A (en) 1978-06-01

Family

ID=15183358

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13678176A Pending JPS5361299A (en) 1976-11-12 1976-11-12 Photoelectric smoke detector

Country Status (1)

Country Link
JP (1) JPS5361299A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54152770A (en) * 1978-05-22 1979-12-01 Sharp Corp Monitor device of programmable sequence controller
JPS54152773A (en) * 1978-05-22 1979-12-01 Sharp Corp Monitor device of programmable sequence controller
JPS6346599A (en) * 1986-08-14 1988-02-27 ニツタン株式会社 Environment abnormality detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54152770A (en) * 1978-05-22 1979-12-01 Sharp Corp Monitor device of programmable sequence controller
JPS54152773A (en) * 1978-05-22 1979-12-01 Sharp Corp Monitor device of programmable sequence controller
JPS6346599A (en) * 1986-08-14 1988-02-27 ニツタン株式会社 Environment abnormality detector

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