JP5280655B2 - 減光式感知器 - Google Patents

減光式感知器 Download PDF

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Publication number
JP5280655B2
JP5280655B2 JP2007183618A JP2007183618A JP5280655B2 JP 5280655 B2 JP5280655 B2 JP 5280655B2 JP 2007183618 A JP2007183618 A JP 2007183618A JP 2007183618 A JP2007183618 A JP 2007183618A JP 5280655 B2 JP5280655 B2 JP 5280655B2
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Japan
Prior art keywords
light
unit
light projecting
signal
projecting
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Expired - Fee Related
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JP2007183618A
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Japanese (ja)
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JP2009020763A (ja
JP2009020763A5 (enExample
Inventor
秀成 松熊
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
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Hochiki Corp
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Priority to JP2007183618A priority Critical patent/JP5280655B2/ja
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Publication of JP2009020763A5 publication Critical patent/JP2009020763A5/ja
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Publication of JP5280655B2 publication Critical patent/JP5280655B2/ja
Expired - Fee Related legal-status Critical Current
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  • Geophysics And Detection Of Objects (AREA)
  • Fire-Detection Mechanisms (AREA)
JP2007183618A 2007-07-12 2007-07-12 減光式感知器 Expired - Fee Related JP5280655B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007183618A JP5280655B2 (ja) 2007-07-12 2007-07-12 減光式感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007183618A JP5280655B2 (ja) 2007-07-12 2007-07-12 減光式感知器

Publications (3)

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JP2009020763A JP2009020763A (ja) 2009-01-29
JP2009020763A5 JP2009020763A5 (enExample) 2012-04-05
JP5280655B2 true JP5280655B2 (ja) 2013-09-04

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JP2007183618A Expired - Fee Related JP5280655B2 (ja) 2007-07-12 2007-07-12 減光式感知器

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JP (1) JP5280655B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5698996B2 (ja) * 2011-02-07 2015-04-08 能美防災株式会社 光電式分離型感知器
US9733122B2 (en) 2012-12-20 2017-08-15 Alpha Corporation Photosensor lens including a purality of convex lens surfaces
US9841504B2 (en) 2012-12-20 2017-12-12 Alpha Corporation Photosensor unit with a condensing lens including a plurality of light-emitting convex lens
JP6186466B2 (ja) * 2016-03-15 2017-08-23 能美防災株式会社 光電式分離型感知器および光電式分離型感知器の光軸調整方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH592931A5 (enExample) * 1976-03-18 1977-11-15 Cerberus Ag
JPS63184041A (ja) * 1987-01-27 1988-07-29 Matsushita Electric Works Ltd 減光式煙感知器
JP2002232285A (ja) * 2001-01-31 2002-08-16 Sunx Ltd 多光軸光電センサ、投光装置、投光素子ユニット、投光制御ユニット、受光装置、受光素子ユニット、受光制御ユニット、及び、投受光素子の駆動数の設定方法
JP2003281643A (ja) * 2002-03-26 2003-10-03 Nohmi Bosai Ltd 減光式煙感知器
JP4982278B2 (ja) * 2007-07-12 2012-07-25 ホーチキ株式会社 減光式感知器

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JP2009020763A (ja) 2009-01-29

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