JPH0482789U - - Google Patents

Info

Publication number
JPH0482789U
JPH0482789U JP12372090U JP12372090U JPH0482789U JP H0482789 U JPH0482789 U JP H0482789U JP 12372090 U JP12372090 U JP 12372090U JP 12372090 U JP12372090 U JP 12372090U JP H0482789 U JPH0482789 U JP H0482789U
Authority
JP
Japan
Prior art keywords
optical axis
receiver
optical system
projector
smoke detector
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
JP12372090U
Other languages
English (en)
Japanese (ja)
Other versions
JP2544461Y2 (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 JP1990123720U priority Critical patent/JP2544461Y2/ja
Publication of JPH0482789U publication Critical patent/JPH0482789U/ja
Application granted granted Critical
Publication of JP2544461Y2 publication Critical patent/JP2544461Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
JP1990123720U 1990-11-27 1990-11-27 分離型減光式煙感知器 Expired - Fee Related JP2544461Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990123720U JP2544461Y2 (ja) 1990-11-27 1990-11-27 分離型減光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990123720U JP2544461Y2 (ja) 1990-11-27 1990-11-27 分離型減光式煙感知器

Publications (2)

Publication Number Publication Date
JPH0482789U true JPH0482789U (en]) 1992-07-17
JP2544461Y2 JP2544461Y2 (ja) 1997-08-20

Family

ID=31871411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990123720U Expired - Fee Related JP2544461Y2 (ja) 1990-11-27 1990-11-27 分離型減光式煙感知器

Country Status (1)

Country Link
JP (1) JP2544461Y2 (en])

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824889U (ja) * 1981-08-10 1983-02-17 能美防災工業株式会社 光軸調整用の小窓を備えた減光式煙感知器
JPS5929274U (ja) * 1982-08-20 1984-02-23 三菱重工業株式会社 スケジユ−ル用用紙
JPS62148836A (ja) * 1985-12-24 1987-07-02 Nittan Co Ltd 光電式分離型感知器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824889U (ja) * 1981-08-10 1983-02-17 能美防災工業株式会社 光軸調整用の小窓を備えた減光式煙感知器
JPS5929274U (ja) * 1982-08-20 1984-02-23 三菱重工業株式会社 スケジユ−ル用用紙
JPS62148836A (ja) * 1985-12-24 1987-07-02 Nittan Co Ltd 光電式分離型感知器

Also Published As

Publication number Publication date
JP2544461Y2 (ja) 1997-08-20

Similar Documents

Publication Publication Date Title
AU668823B2 (en) Low profile liquid crystal projector and method of using same
US6059412A (en) Rear projection monitor
US3578978A (en) Optical projector including photo-sensitive device
US5115384A (en) Soft light
JPH0482789U (en])
US4249797A (en) Dual image viewer with mirror adjusting means
EP0061470B1 (en) Light reflector unit for a photographic camera
US3783264A (en) Reflective barndoor
CA2003328A1 (en) Opaque projector
JPH0482792U (en])
US4761065A (en) Inspection device with adjustable viewing screen
JPH064338Y2 (ja) ストロボ撮影用近接アダプタ
JPH0482788U (en])
US3936852A (en) Camera with a device for directing supplementary light into the imaging lens
JPH0482791U (en])
JPS632477A (ja) 透過スクリ−ン型テレビ受像機における遠隔操作用受光装置
JPH0410905U (en])
JP2594501Y2 (ja) 液晶プロジェクター用コンデンサーレンズの保持機構
JPH0697190B2 (ja) 熱線感知器
JP4135842B2 (ja) レーザ投光器
JPH0328417Y2 (en])
JP2549812Y2 (ja) ケプラー式ファインダを有するカメラ
JPH0482790U (en])
JP2575278Y2 (ja) 顕微分光光度計の光路切替え装置
JPH0234684Y2 (en])

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees