JPS5964520U - optical encoder - Google Patents

optical encoder

Info

Publication number
JPS5964520U
JPS5964520U JP16098282U JP16098282U JPS5964520U JP S5964520 U JPS5964520 U JP S5964520U JP 16098282 U JP16098282 U JP 16098282U JP 16098282 U JP16098282 U JP 16098282U JP S5964520 U JPS5964520 U JP S5964520U
Authority
JP
Japan
Prior art keywords
optical encoder
polarizing plate
receiving element
light source
light receiving
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.)
Granted
Application number
JP16098282U
Other languages
Japanese (ja)
Other versions
JPS6315773Y2 (en
Inventor
浜田　昭彦
Original Assignee
セイコーエプソン株式会社
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 セイコーエプソン株式会社 filed Critical セイコーエプソン株式会社
Priority to JP16098282U priority Critical patent/JPS5964520U/en
Publication of JPS5964520U publication Critical patent/JPS5964520U/en
Application granted granted Critical
Publication of JPS6315773Y2 publication Critical patent/JPS6315773Y2/ja
Granted legal-status Critical Current

Links

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図は従来の光学式エンコーダの１例を示す斜視図、
第２図はフォトトランジスタの出力波形と波形成形後の
方形波を示す図、第３図ａ、　　ｂは光の反射、散乱を
説明するための図、第４図は本考案の１例を示す断面図
、第５図は偏光板の機能を説明する為の概念図である。FIG. 1 is a perspective view showing an example of a conventional optical encoder.
Figure 2 is a diagram showing the output waveform of a phototransistor and a square wave after waveform shaping, Figures 3a and b are diagrams for explaining reflection and scattering of light, and Figure 4 is an example of the present invention. The cross-sectional view and FIG. 5 are conceptual diagrams for explaining the functions of the polarizing plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光源と受光素子から成る光学式エンコーダに於て、前記
光源の前面に第１の偏光板、前記受光素子の前面に第２
の偏光板を配置し、該第１の偏光板と該第２の偏光板の
それぞれの偏光軸を互いに重なるように配置したことを
特徴とする光学式エンコーダ。In an optical encoder consisting of a light source and a light receiving element, a first polarizing plate is provided in front of the light source, and a second polarizing plate is provided in front of the light receiving element.
What is claimed is: 1. An optical encoder comprising: a polarizing plate arranged such that the polarizing axes of the first polarizing plate and the second polarizing plate overlap each other.
JP16098282U 1982-10-23 1982-10-23 optical encoder Granted JPS5964520U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16098282U JPS5964520U (en) 1982-10-23 1982-10-23 optical encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16098282U JPS5964520U (en) 1982-10-23 1982-10-23 optical encoder

Publications (2)

Publication Number Publication Date
JPS5964520U true JPS5964520U (en) 1984-04-28
JPS6315773Y2 JPS6315773Y2 (en) 1988-05-06

Family

ID=30353923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16098282U Granted JPS5964520U (en) 1982-10-23 1982-10-23 optical encoder

Country Status (1)

Country Link
JP (1) JPS5964520U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007212457A (en) * 2006-02-09 2007-08-23 Avago Technologies General Ip (Singapore) Private Ltd Reflection-type encoder with reduced background noise

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5298553A (en) * 1976-02-12 1977-08-18 Mo G Yuniberushitetsuto Imeeni Piezoooptical measurement transducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5298553A (en) * 1976-02-12 1977-08-18 Mo G Yuniberushitetsuto Imeeni Piezoooptical measurement transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007212457A (en) * 2006-02-09 2007-08-23 Avago Technologies General Ip (Singapore) Private Ltd Reflection-type encoder with reduced background noise

Also Published As

Publication number Publication date
JPS6315773Y2 (en) 1988-05-06

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