JPH039096U - - Google Patents

Info

Publication number
JPH039096U
JPH039096U JP6927689U JP6927689U JPH039096U JP H039096 U JPH039096 U JP H039096U JP 6927689 U JP6927689 U JP 6927689U JP 6927689 U JP6927689 U JP 6927689U JP H039096 U JPH039096 U JP H039096U
Authority
JP
Japan
Prior art keywords
light
type sensor
photoelectric
separation type
distance
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
JP6927689U
Other languages
English (en)
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 JP6927689U priority Critical patent/JPH039096U/ja
Publication of JPH039096U publication Critical patent/JPH039096U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Description

【図面の簡単な説明】
第１図及び第２図は本考案の一実施例を示すも
ので、第１図は一部破断側面図、第２図は正面図
、第３図は従来例の説明図である。 １，ｂ……受光部、６……駆動モータ、８……
フイルター取付円板、９……回転軸、１０，１１
……透光開口、１２……減光フイルター、ａ……
送光部。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 光を発する送光部と光を受ける受光部を、
    公称監視距離の範囲で離れた位置に設置し、煙に
    よる光の到達量の減少を測定して火災信号を発信
    するようにした光電式分離型感知器において、送
    光部又は受光部の前面に、減光フイルターを遠方
    操作により駆動して光軸を遮ぎることができるよ
    うに配設したことを特徴とする光電式分離型感知
    器。 (2) 前記減光フイルターは、回転可能な円板に
    その軸対称に開口した２つの透孔の一方に設けら
    れている請求項１記載の光電式分離型感知器。
JP6927689U 1989-06-13 1989-06-13 Pending JPH039096U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6927689U JPH039096U (ja) 1989-06-13 1989-06-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6927689U JPH039096U (ja) 1989-06-13 1989-06-13

Publications (1)

Publication Number Publication Date
JPH039096U true JPH039096U (ja) 1991-01-29

Family

ID=31604434

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6927689U Pending JPH039096U (ja) 1989-06-13 1989-06-13

Country Status (1)

Country Link
JP (1) JPH039096U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611095U (ja) * 1990-12-27 1994-02-10 日本信号株式会社 車両方向判別装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6228294B2 (ja) * 1981-07-23 1987-06-19 Matsuda Kk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6228294B2 (ja) * 1981-07-23 1987-06-19 Matsuda Kk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0611095U (ja) * 1990-12-27 1994-02-10 日本信号株式会社 車両方向判別装置

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