JPS6459011A - Optical encoder - Google Patents

Optical encoder

Info

Publication number
JPS6459011A
JPS6459011A JP21474987A JP21474987A JPS6459011A JP S6459011 A JPS6459011 A JP S6459011A JP 21474987 A JP21474987 A JP 21474987A JP 21474987 A JP21474987 A JP 21474987A JP S6459011 A JPS6459011 A JP S6459011A
Authority
JP
Japan
Prior art keywords
encoder
disk
protective film
pattern
fitting
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
JP21474987A
Other languages
Japanese (ja)
Inventor
Hidetoshi Watanabe
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP21474987A priority Critical patent/JPS6459011A/en
Publication of JPS6459011A publication Critical patent/JPS6459011A/en
Pending legal-status Critical Current

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  • Optical Transform (AREA)

Abstract

PURPOSE:To fit a fitting member directly in contact with the substrate of an encoder plate by providing a protective film which protects the code pattern of the encoder plate outside the fitting area for the encoder plate. CONSTITUTION:The protective film 24 which protects the encoder pattern is adhered to the surface of an encoder disk 21, i.e. the formation surface side for the encoder pattern 22 the protective film 24 is adhered to the part except the peripheral edge surface of the center hole 21a of the encoder disk 21, i.e. fitting area 21b. Consequently, the surface of the disk substrate is exposed in the fitting area 21b of the encoder disk 21 and the fitting member 26 fitted on a shaft 25 such as the arm of a motor robot is fitted directly in contact with the disk substrate surface.
JP21474987A 1987-08-28 1987-08-28 Optical encoder Pending JPS6459011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21474987A JPS6459011A (en) 1987-08-28 1987-08-28 Optical encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21474987A JPS6459011A (en) 1987-08-28 1987-08-28 Optical encoder

Publications (1)

Publication Number Publication Date
JPS6459011A true JPS6459011A (en) 1989-03-06

Family

ID=16660943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21474987A Pending JPS6459011A (en) 1987-08-28 1987-08-28 Optical encoder

Country Status (1)

Country Link
JP (1) JPS6459011A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013224910A (en) * 2012-04-23 2013-10-31 Hitachi Maxell Ltd Resin-made encoder scale, metal mold for resin-made encoder scale, method of manufacturing resin-made encoder scale, and encoder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184520A (en) * 1984-10-03 1986-04-30 Komatsu Ltd Optical rotary encoder
JPS627023B2 (en) * 1980-08-21 1987-02-14 Daifuku Kk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS627023B2 (en) * 1980-08-21 1987-02-14 Daifuku Kk
JPS6184520A (en) * 1984-10-03 1986-04-30 Komatsu Ltd Optical rotary encoder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013224910A (en) * 2012-04-23 2013-10-31 Hitachi Maxell Ltd Resin-made encoder scale, metal mold for resin-made encoder scale, method of manufacturing resin-made encoder scale, and encoder
WO2013161601A1 (en) * 2012-04-23 2013-10-31 日立マクセル株式会社 Resin encoder scale, mold for resin encoder scale, manufacturing method for resin encoder scale, and encoder
CN104246447A (en) * 2012-04-23 2014-12-24 日立麦克赛尔株式会社 Resin encoder scale, mold for resin encoder scale, manufacturing method for resin encoder scale, and encoder
US10288453B2 (en) 2012-04-23 2019-05-14 Maxell, Ltd. Resin encoder scale, mold for resin encoder scale, method for producing resin encoder scale, and encoder

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