JP2005259957A - 光センサ - Google Patents
光センサ Download PDFInfo
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- JP2005259957A JP2005259957A JP2004068934A JP2004068934A JP2005259957A JP 2005259957 A JP2005259957 A JP 2005259957A JP 2004068934 A JP2004068934 A JP 2004068934A JP 2004068934 A JP2004068934 A JP 2004068934A JP 2005259957 A JP2005259957 A JP 2005259957A
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- Prior art keywords
- light receiving
- light
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- optical sensor
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Light Receiving Elements (AREA)
Abstract
【解決手段】 光センサ20では、受光部30の外周形状にほぼ合致するとともに光の到来方向に受光部30を露出可能な受光窓23bを有するカバー23は、コネクタ部21に組み付けられる際に、対峙した1対のガイド21fによってカバー23の側板部23d1、23d2を挟持されて、カバー23の受光窓23bが、受光部30に接触不能に受光部30上のK線上に案内される。これにより、1対のガイド21fによりカバー23の受光窓23bが受光部30に接触不能に受光部30上のK線上に案内されるので、受光部30に受光窓23bが接触しない。したがって、受光窓23bの接触により受光部30に付く傷や受光部30の変形による受光素子32a、32bの損傷等を防止するので、検出精度の低下を抑制できる。
【選択図】 図1
Description
21…コネクタ部(センサ本体)
21f…ガイド(ガイド部)
21g…突起
22…センサ支持部
23…カバー(付加部材)
23b…受光窓(開口部)
23c…遮光板
23d1…側板部(一端部)
23d2…側板部(他端部)
23e…キー溝
30…受光部
32a、32b…受光素子
Claims (4)
- 受光素子および当該受光素子の検出対象となる光の入射を可能にする窓部を有し当該窓部が外形の一部または全部を形成する受光部と、
前記受光部を保持するセンサ本体と、
前記窓部の外周形状にほぼ合致するとともに前記光の到来方向に前記窓部を露出可能な開口部を有し、前記受光部を覆うように前記センサ本体に取り付けられる付加部材と、
前記付加部材の端部を挟持可能に前記センサ本体に設けられ、前記付加部材の開口部が前記センサ本体に保持された前記受光部の窓部に接触不能に前記付加部材の取付位置を案内するガイド部と、
を備えたことを特徴とする光センサ。 - 前記ガイド部は、前記付加部材の一端部および他端部を挟持することを特徴とする請求項1記載の光センサ。
- 前記ガイド部は、前記付加部材を前記取付位置に案内するに従い、前記取付位置を中心に前記付加部材を挟持する幅が狭くなるように設定されていることを特徴とする請求項1または2記載の光センサ。
- 前記付加部材は、前記受光素子に対し、一方の方向から入射する前記光と他方の方向から入射する前記光とを区分可能な遮光板を有することを特徴とする請求項1〜3のいずれか一項に記載の光センサ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004068934A JP4140539B2 (ja) | 2004-03-11 | 2004-03-11 | 光センサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004068934A JP4140539B2 (ja) | 2004-03-11 | 2004-03-11 | 光センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005259957A true JP2005259957A (ja) | 2005-09-22 |
JP4140539B2 JP4140539B2 (ja) | 2008-08-27 |
Family
ID=35085392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004068934A Expired - Fee Related JP4140539B2 (ja) | 2004-03-11 | 2004-03-11 | 光センサ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4140539B2 (ja) |
-
2004
- 2004-03-11 JP JP2004068934A patent/JP4140539B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP4140539B2 (ja) | 2008-08-27 |
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