JPS60160440U - reflective photoelectric switch - Google Patents
reflective photoelectric switchInfo
- Publication number
- JPS60160440U JPS60160440U JP4879084U JP4879084U JPS60160440U JP S60160440 U JPS60160440 U JP S60160440U JP 4879084 U JP4879084 U JP 4879084U JP 4879084 U JP4879084 U JP 4879084U JP S60160440 U JPS60160440 U JP S60160440U
- Authority
- JP
- Japan
- Prior art keywords
- light
- plane
- photoelectric switch
- polarization
- reflective photoelectric
- 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
Links
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Electronic Switches (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の回帰反射型光電スイッチの一例−を示す
概略図、第２図は本考案によ之反射型光電スイッチの原
理を示す図、第３図は本考案による反射型光電スイッチ
の具体的な一実施例を示す断面図である。
１．１０・・・・・・投光部、２，２０・・・・・・受
光部、３・・・・・・リフレックスリフレクタ、１１・
・・・・・半導体レーザダイオード、１２，２２・・・
・・・集光レンズ、２１・・・・・・偏光フィルタ、２
３・・・・・・受光素子。Figure 1 is a schematic diagram showing an example of a conventional retroreflective photoelectric switch, Figure 2 is a diagram showing the principle of the reflective photoelectric switch according to the present invention, and Figure 3 is a diagram showing the principle of the reflective photoelectric switch according to the present invention. FIG. 3 is a cross-sectional view showing a specific example. 1.10... Light emitting section, 2,20... Light receiving section, 3... Reflex reflector, 11.
... Semiconductor laser diode, 12, 22...
... Condensing lens, 21 ... Polarizing filter, 2
3... Light receiving element.
Claims (3)
有する投光部と、 投光部からの光を反射し、偏波面を回転させて受光部に
導く回帰反射板と、 前記投光部の光束の前記回帰反射板により回転した偏波
面を透過面を有する偏光フィルタを有し、該偏光フィル
タを介して受光素子が設けられた受光部と、を具備する
ことを特徴とする反射型光電スイッチ。(1) A light emitter having a light source whose main component of the luminous flux is composed of a single plane of polarization; a retroreflector that reflects the light from the emitter, rotates the plane of polarization, and guides it to the light receiver; It is characterized by comprising a polarizing filter having a plane that transmits the plane of polarization rotated by the retroreflector of the light beam of the light projecting part, and a light receiving part provided with a light receiving element through the polarizing filter. Reflective photoelectric switch.
り、前記回帰反射板はりフレックスリフレクタであるこ
とを特徴とする実用新案登録請求の範囲第１項記載の反
射型光電スイッチ。(2) The reflective photoelectric switch according to claim 1, wherein the light source of the light projecting section is a semiconductor laser diode, and the retroreflector plate is a flex reflector.
光部の光源の偏波面と直角方向に配置されたものである
ことを特徴とする実用新案登録請求の範囲第１項又は第
２項記載の反射型光電スイッチ。(3) The polarizing filter of the light receiving section is arranged such that the transmission polarization plane thereof is perpendicular to the polarization plane of the light source of the light projecting section. Reflective photoelectric switch described in Section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4879084U JPS60160440U (en) | 1984-04-03 | 1984-04-03 | reflective photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4879084U JPS60160440U (en) | 1984-04-03 | 1984-04-03 | reflective photoelectric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60160440U true JPS60160440U (en) | 1985-10-25 |
Family
ID=30565376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4879084U Pending JPS60160440U (en) | 1984-04-03 | 1984-04-03 | reflective photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60160440U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63254774A (en) * | 1987-04-10 | 1988-10-21 | Omron Tateisi Electronics Co | Reflecting type photoelectric switch |
| JPH07169375A (en) * | 1994-11-25 | 1995-07-04 | Sunx Ltd | Installation method of reflector for photoelectric switch, and reflector for photoelectric switch |
| JP2000015786A (en) * | 1998-07-02 | 2000-01-18 | Komori Corp | Sheet feeding fault detector |
| JP2008112629A (en) * | 2006-10-30 | 2008-05-15 | Omron Corp | Regressive reflection type photoelectric sensor, sensor body and regressive reflection part of regressive reflection type photoelectric sensor |
| WO2014103437A1 (en) * | 2012-12-26 | 2014-07-03 | パナソニック デバイスＳｕｎｘ株式会社 | Reflector, reflector-based reflective photoelectric sensor and multiple-optical-axis photoelectric sensor |
| JP2015206960A (en) * | 2014-04-23 | 2015-11-19 | 株式会社エクスプロア | Acoustic stair device |
| JP2019202330A (en) * | 2018-05-23 | 2019-11-28 | Ｊｆｅ建材株式会社 | Press working device, press working line and press working method |
-
1984
- 1984-04-03 JP JP4879084U patent/JPS60160440U/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63254774A (en) * | 1987-04-10 | 1988-10-21 | Omron Tateisi Electronics Co | Reflecting type photoelectric switch |
| JPH07169375A (en) * | 1994-11-25 | 1995-07-04 | Sunx Ltd | Installation method of reflector for photoelectric switch, and reflector for photoelectric switch |
| JP2000015786A (en) * | 1998-07-02 | 2000-01-18 | Komori Corp | Sheet feeding fault detector |
| JP2008112629A (en) * | 2006-10-30 | 2008-05-15 | Omron Corp | Regressive reflection type photoelectric sensor, sensor body and regressive reflection part of regressive reflection type photoelectric sensor |
| WO2014103437A1 (en) * | 2012-12-26 | 2014-07-03 | パナソニック デバイスＳｕｎｘ株式会社 | Reflector, reflector-based reflective photoelectric sensor and multiple-optical-axis photoelectric sensor |
| JP2015206960A (en) * | 2014-04-23 | 2015-11-19 | 株式会社エクスプロア | Acoustic stair device |
| JP2019202330A (en) * | 2018-05-23 | 2019-11-28 | Ｊｆｅ建材株式会社 | Press working device, press working line and press working method |
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