JPS5929274Y2 - 減光式煙感知器 - Google Patents

減光式煙感知器

Info

Publication number
JPS5929274Y2
JPS5929274Y2 JP2733780U JP2733780U JPS5929274Y2 JP S5929274 Y2 JPS5929274 Y2 JP S5929274Y2 JP 2733780 U JP2733780 U JP 2733780U JP 2733780 U JP2733780 U JP 2733780U JP S5929274 Y2 JPS5929274 Y2 JP S5929274Y2
Authority
JP
Japan
Prior art keywords
housing
optical axis
light
receiver
attached
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
JP2733780U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56132692U (OSRAM
Inventor
繁 梶井
博 本間
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Hochiki Corp filed Critical Hochiki Corp
Priority to JP2733780U priority Critical patent/JPS5929274Y2/ja
Publication of JPS56132692U publication Critical patent/JPS56132692U/ja
Application granted granted Critical
Publication of JPS5929274Y2 publication Critical patent/JPS5929274Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
JP2733780U 1980-03-03 1980-03-03 減光式煙感知器 Expired JPS5929274Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2733780U JPS5929274Y2 (ja) 1980-03-03 1980-03-03 減光式煙感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2733780U JPS5929274Y2 (ja) 1980-03-03 1980-03-03 減光式煙感知器

Publications (2)

Publication Number Publication Date
JPS56132692U JPS56132692U (OSRAM) 1981-10-07
JPS5929274Y2 true JPS5929274Y2 (ja) 1984-08-22

Family

ID=29623301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2733780U Expired JPS5929274Y2 (ja) 1980-03-03 1980-03-03 減光式煙感知器

Country Status (1)

Country Link
JP (1) JPS5929274Y2 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014035713A (ja) * 2012-08-10 2014-02-24 Nohmi Bosai Ltd 光電式分離型感知器
JP2014035714A (ja) * 2012-08-10 2014-02-24 Nohmi Bosai Ltd 光電式分離型感知器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2597520B2 (ja) * 1990-11-27 1997-04-09 能美防災株式会社 分離型減光式煙感知装置
US8804119B2 (en) 2008-06-10 2014-08-12 Xtralis Technologies Ltd Particle detection
MY158884A (en) 2009-05-01 2016-11-30 Xtralis Technologies Ltd Particle detectors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014035713A (ja) * 2012-08-10 2014-02-24 Nohmi Bosai Ltd 光電式分離型感知器
JP2014035714A (ja) * 2012-08-10 2014-02-24 Nohmi Bosai Ltd 光電式分離型感知器

Also Published As

Publication number Publication date
JPS56132692U (OSRAM) 1981-10-07

Similar Documents

Publication Publication Date Title
KR830008154A (ko) 광학적 표적추적 및 지정시스템
JPH04505658A (ja) 水平面を決定するための装置
US3535539A (en) Alignment device
JPS5929274Y2 (ja) 減光式煙感知器
JPS593230A (ja) ビ−ム・インジケ−タを有する受動赤外線侵入検知装置
US6965315B2 (en) Anti-thief security sensor assembly
US5994688A (en) Position leveling sensor for a laser transmitter
TWI447676B (zh) 光電式分離型偵知器
KR20100113395A (ko) 감시카메라
KR20180022316A (ko) 360도 영상처리 카메라
US4249797A (en) Dual image viewer with mirror adjusting means
KR200376647Y1 (ko) 외장형 적외선 엘이디를 갖는 돔형 감시카메라
JP2531688Y2 (ja) 減光式煙感知器
JPS605436Y2 (ja) 光軸調整用の小窓を備えた減光式煙感知器
JP3122255B2 (ja) 光電式分離型煙感知器
JP4737578B2 (ja) 防犯用センサ装置の照準器
JP2535169Y2 (ja) 火災感知器等の取付機構
EP1045353B1 (en) Photocell
JPWO2006106732A1 (ja) 防霜用段差を有する防犯用センサ装置
JP2531687Y2 (ja) 減光式煙感知器
JP2005049206A (ja) 照準器および赤外線式防犯装置
JP3932418B2 (ja) 光電式分離型感知器
KR200403448Y1 (ko) 감시카메라장치
JPH04191998A (ja) 分離型減光式煙感知装置
CN215952581U (zh) 一种测量摄像机