JPS6339840Y2 - - Google Patents

Info

Publication number
JPS6339840Y2
JPS6339840Y2 JP16796182U JP16796182U JPS6339840Y2 JP S6339840 Y2 JPS6339840 Y2 JP S6339840Y2 JP 16796182 U JP16796182 U JP 16796182U JP 16796182 U JP16796182 U JP 16796182U JP S6339840 Y2 JPS6339840 Y2 JP S6339840Y2
Authority
JP
Japan
Prior art keywords
hood
detection element
cam
peripheral wall
viewing angle
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.)
Expired
Application number
JP16796182U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5974485U (ja
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 filed Critical
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 JPS5974485U (ja) 1984-05-21
JPS6339840Y2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020128917A (ja) * 2019-02-08 2020-08-27 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
JPS5974485U (ja) 1984-05-21

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