JPS5974485U - 赤外線を利用した侵入または火災検出器の視野角可変装置 - Google Patents

赤外線を利用した侵入または火災検出器の視野角可変装置

Info

Publication number
JPS5974485U
JPS5974485U JP16796182U JP16796182U JPS5974485U JP S5974485 U JPS5974485 U JP S5974485U JP 16796182 U JP16796182 U JP 16796182U JP 16796182 U JP16796182 U JP 16796182U JP S5974485 U JPS5974485 U JP S5974485U
Authority
JP
Japan
Prior art keywords
hood
viewing angle
peripheral wall
intrusion
infrared rays
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
JP16796182U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6339840Y2 (enrdf_load_stackoverflow
Inventor
茨木　淳
Original Assignee
能美防災工業株式会社
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 能美防災工業株式会社 filed Critical 能美防災工業株式会社
Priority to JP16796182U priority Critical patent/JPS5974485U/ja
Publication of JPS5974485U publication Critical patent/JPS5974485U/ja
Application granted granted Critical
Publication of JPS6339840Y2 publication Critical patent/JPS6339840Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Burglar Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
JP16796182U 1982-11-08 1982-11-08 赤外線を利用した侵入または火災検出器の視野角可変装置 Granted JPS5974485U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16796182U JPS5974485U (ja) 1982-11-08 1982-11-08 赤外線を利用した侵入または火災検出器の視野角可変装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16796182U JPS5974485U (ja) 1982-11-08 1982-11-08 赤外線を利用した侵入または火災検出器の視野角可変装置

Publications (2)

Publication Number Publication Date
JPS5974485U true JPS5974485U (ja) 1984-05-21
JPS6339840Y2 JPS6339840Y2 (enrdf_load_stackoverflow) 1988-10-19

Family

ID=30367326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16796182U Granted JPS5974485U (ja) 1982-11-08 1982-11-08 赤外線を利用した侵入または火災検出器の視野角可変装置

Country Status (1)

Country Link
JP (1) JPS5974485U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020162269A1 (ja) * 2019-02-08 2020-08-13 オムロン株式会社 赤外線検出器のキャップ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020162269A1 (ja) * 2019-02-08 2020-08-13 オムロン株式会社 赤外線検出器のキャップ

Also Published As

Publication number Publication date
JPS6339840Y2 (enrdf_load_stackoverflow) 1988-10-19

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