JPS60161885U - light beam sensor - Google Patents

light beam sensor

Info

Publication number
JPS60161885U
JPS60161885U JP5002884U JP5002884U JPS60161885U JP S60161885 U JPS60161885 U JP S60161885U JP 5002884 U JP5002884 U JP 5002884U JP 5002884 U JP5002884 U JP 5002884U JP S60161885 U JPS60161885 U JP S60161885U
Authority
JP
Japan
Prior art keywords
light
bifocal lens
light beam
beam sensor
emitter
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
JP5002884U
Other languages
Japanese (ja)
Inventor
恒彦 荒木
剛嗣 和田
長岡 暁
Original Assignee
松下電工株式会社
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 松下電工株式会社 filed Critical 松下電工株式会社
Priority to JP5002884U priority Critical patent/JPS60161885U/en
Publication of JPS60161885U publication Critical patent/JPS60161885U/en
Pending legal-status Critical Current

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の一実施例に係る光線式センサーを設置
した状態を示す図、第2図は同上における同軸2焦点レ
ンズの説明図である。          −1a・・
・測定用光源、1b・・・測定用受光素子、2at2b
・・・レンズ、3a、−3b・・・光軸調整用光源。
FIG. 1 is a diagram showing a state in which a light beam sensor according to an embodiment of the present invention is installed, and FIG. 2 is an explanatory diagram of a coaxial bifocal lens in the same. -1a...
・Measurement light source, 1b...Measurement light receiving element, 2at2b
... Lens, 3a, -3b... Light source for optical axis adjustment.

Claims (1)

【実用新案登録請求の範囲】 は)測定用光源を有する投光器と測定用受光素子を有す
る受光器を対向して配置゛し、その間に存在する人体、
煙など1;よる受光量の減衰を検知・      する
光線式センサにおいて、上記投・受光器の−双方または
投・受光器のいずれか一方のレンズを2焦点レンズで構
成すると共に、該2焦点レンズの1焦点に光軸調整用光
源を配設したことを特徴とする光線式センサ。 (2)上記2焦点レンズを同軸2焦点レンズとした、壺
用新案登録請求の範囲第1項記載の光線式センサ。 (3)  上記同軸2焦点レンズの外側焦点に光軸調整
用光源を配設しへ実用新案登録請求の範囲第2゛項記載
の光線式センサ。
[Claim for Utility Model Registration] is a) a light emitter having a light source for measurement and a light receiver having a light receiving element for measurement which are arranged facing each other, and a human body existing between them;
In a light beam sensor that detects the attenuation of the amount of received light due to smoke, etc., both lenses of the emitter and receiver or either one of the emitter and receiver are configured with a bifocal lens, and the bifocal lens A light beam sensor characterized in that a light source for optical axis adjustment is provided at one focal point of the light beam sensor. (2) The optical sensor according to claim 1, wherein the bifocal lens is a coaxial bifocal lens. (3) The optical sensor according to claim 2, wherein a light source for adjusting the optical axis is disposed at the outer focal point of the coaxial bifocal lens.
JP5002884U 1984-04-04 1984-04-04 light beam sensor Pending JPS60161885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5002884U JPS60161885U (en) 1984-04-04 1984-04-04 light beam sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5002884U JPS60161885U (en) 1984-04-04 1984-04-04 light beam sensor

Publications (1)

Publication Number Publication Date
JPS60161885U true JPS60161885U (en) 1985-10-28

Family

ID=30567775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5002884U Pending JPS60161885U (en) 1984-04-04 1984-04-04 light beam sensor

Country Status (1)

Country Link
JP (1) JPS60161885U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017078588A (en) * 2015-10-19 2017-04-27 三菱電機株式会社 Floodlight, infrared sensor, and optical axis adjustment method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933095U (en) * 1972-06-30 1974-03-23
JPS5623483B2 (en) * 1975-05-28 1981-06-01

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933095U (en) * 1972-06-30 1974-03-23
JPS5623483B2 (en) * 1975-05-28 1981-06-01

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017078588A (en) * 2015-10-19 2017-04-27 三菱電機株式会社 Floodlight, infrared sensor, and optical axis adjustment method

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