JP4900140B2 - 光学式エンコーダ - Google Patents

光学式エンコーダ Download PDF

Info

Publication number
JP4900140B2
JP4900140B2 JP2007223499A JP2007223499A JP4900140B2 JP 4900140 B2 JP4900140 B2 JP 4900140B2 JP 2007223499 A JP2007223499 A JP 2007223499A JP 2007223499 A JP2007223499 A JP 2007223499A JP 4900140 B2 JP4900140 B2 JP 4900140B2
Authority
JP
Japan
Prior art keywords
slit
incremental
receiving element
light
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.)
Expired - Fee Related
Application number
JP2007223499A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009058243A (ja
JP2009058243A5 (enrdf_load_stackoverflow
Inventor
吉田　　康
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.)
Yaskawa Electric Corp
Original Assignee
Yaskawa Electric Corp
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 Yaskawa Electric Corp filed Critical Yaskawa Electric Corp
Priority to JP2007223499A priority Critical patent/JP4900140B2/ja
Publication of JP2009058243A publication Critical patent/JP2009058243A/ja
Publication of JP2009058243A5 publication Critical patent/JP2009058243A5/ja
Application granted granted Critical
Publication of JP4900140B2 publication Critical patent/JP4900140B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Optical Transform (AREA)
JP2007223499A 2007-08-30 2007-08-30 光学式エンコーダ Expired - Fee Related JP4900140B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007223499A JP4900140B2 (ja) 2007-08-30 2007-08-30 光学式エンコーダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007223499A JP4900140B2 (ja) 2007-08-30 2007-08-30 光学式エンコーダ

Publications (3)

Publication Number Publication Date
JP2009058243A JP2009058243A (ja) 2009-03-19
JP2009058243A5 JP2009058243A5 (enrdf_load_stackoverflow) 2011-06-02
JP4900140B2 true JP4900140B2 (ja) 2012-03-21

Family

ID=40554130

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007223499A Expired - Fee Related JP4900140B2 (ja) 2007-08-30 2007-08-30 光学式エンコーダ

Country Status (1)

Country Link
JP (1) JP4900140B2 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5146366B2 (ja) 2009-03-09 2013-02-20 株式会社安川電機 光学式エンコーダ
JP5693502B2 (ja) * 2012-03-15 2015-04-01 三菱電機株式会社 光学式エンコーダ
CN103471629A (zh) * 2013-09-22 2013-12-25 绵阳福德机器人有限责任公司 一种单圈绝对值编码盘

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58123195A (ja) * 1982-01-19 1983-07-22 多摩川精機株式会社 光学式レゾルバ
JPH0486521A (ja) * 1990-07-31 1992-03-19 Fanuc Ltd 高精度ロータリエンコーダ
JP3978445B2 (ja) * 2004-10-04 2007-09-19 シャープ株式会社 反射形エンコーダおよびそれを用いた電子機器

Also Published As

Publication number Publication date
JP2009058243A (ja) 2009-03-19

Similar Documents

Publication Publication Date Title
CN101529211B (zh) 采用具有公共刻线基板的多个子编码器的旋转光学编码器
US8476578B2 (en) Rotary encoder and rotation mechanism including the same
US8497469B2 (en) Rotary encoder that detects rotation angle
JP5111243B2 (ja) アブソリュートエンコーダ
JP5574899B2 (ja) ロータリーエンコーダ及びこれを備えた光学機器
CN101832790B (zh) 光学式编码器
JP2012068124A5 (ja) ロータリーエンコーダ及びこれを備えた光学機器
JP5932285B2 (ja) エンコーダおよびこれを備えた装置
EP2343510A2 (en) Rotary encoder
US5886352A (en) Readhead for an opto-electronic rotary encoder
JP2014178227A (ja) 位置検出装置、レンズ装置、撮像システム、および、工作装置
JP4750407B2 (ja) 光学式エンコーダ
AU2005205743B2 (en) Method and apparatuses for the exact determination of an angle of rotation
JP4900140B2 (ja) 光学式エンコーダ
EP2610592A2 (en) Encoder with error detection and error correction
JP7203584B2 (ja) アブソリュートロータリエンコーダ
JP2010203901A (ja) 光学式エンコーダ
JP4020713B2 (ja) 光学式エンコーダ
JPH10332732A (ja) レゾルバ内蔵型角加速度検出装置
JP2007064818A (ja) 光学式エンコーダ
KR100458235B1 (ko) 각도 검출기
JP2541171Y2 (ja) 光学式エンコ―ダ
JP2024159212A (ja) ロータリエンコーダの異常検出方法及びロータリエンコーダ
JP2019015691A (ja) 回転角度検出構造、エンコーダ、およびディスクユニット

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100422

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110419

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110830

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111031

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20111206

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20111219

R150 Certificate of patent or registration of utility model

Ref document number: 4900140

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150113

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees