JPH0380326U - - Google Patents

Info

Publication number
JPH0380326U
JPH0380326U JP14120689U JP14120689U JPH0380326U JP H0380326 U JPH0380326 U JP H0380326U JP 14120689 U JP14120689 U JP 14120689U JP 14120689 U JP14120689 U JP 14120689U JP H0380326 U JPH0380326 U JP H0380326U
Authority
JP
Japan
Prior art keywords
light source
wavelength
relational expression
encoder plate
detection device
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
JP14120689U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP14120689U priority Critical patent/JPH0380326U/ja
Priority to US07/584,786 priority patent/US5073710A/en
Priority to DE4030049A priority patent/DE4030049C2/de
Publication of JPH0380326U publication Critical patent/JPH0380326U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Transform (AREA)
JP14120689U 1989-09-21 1989-12-07 Pending JPH0380326U (cg-RX-API-DMAC10.html)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP14120689U JPH0380326U (cg-RX-API-DMAC10.html) 1989-12-07 1989-12-07
US07/584,786 US5073710A (en) 1989-09-21 1990-09-19 Optical displacement detector including a displacement member's surface having a diffractive pattern and a holographic lens pattern
DE4030049A DE4030049C2 (de) 1989-09-21 1990-09-20 Gerät zur fotoelektrischen Ermittlung der Verschiebung eines Verschiebungsglieds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14120689U JPH0380326U (cg-RX-API-DMAC10.html) 1989-12-07 1989-12-07

Publications (1)

Publication Number Publication Date
JPH0380326U true JPH0380326U (cg-RX-API-DMAC10.html) 1991-08-16

Family

ID=31688121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14120689U Pending JPH0380326U (cg-RX-API-DMAC10.html) 1989-09-21 1989-12-07

Country Status (1)

Country Link
JP (1) JPH0380326U (cg-RX-API-DMAC10.html)

Similar Documents

Publication Publication Date Title
JP3210111B2 (ja) 変位検出装置
JP3028716B2 (ja) 光学式変位センサ
SU1450761A3 (ru) Устройство дл измерени относительных перемещений двух объектов
US5021649A (en) Relief diffraction grating encoder
JPH01180615U (cg-RX-API-DMAC10.html)
US5671052A (en) Optical encoder
JP3066923B2 (ja) エンコーダ及びこれを有するシステム
JP2557171B2 (ja) 変位検出装置
JP2000055698A (ja) 回転位置測定装置
US6891150B2 (en) Optical scale formed from mold having fixed and movable platens
US5760392A (en) Scale for use with a displacement sensor
US5113071A (en) Encoder in which single light source projects dual beams onto grating
JPS625677A (ja) 周波数安定化半導体レ−ザ−素子
JPH0380326U (cg-RX-API-DMAC10.html)
US5506681A (en) Method for detecting a reference position and displacement detector using the same
US5272512A (en) Displacement information detection apparatus
JPH01272917A (ja) 反射式xyエンコーダ
JPS6152403B2 (cg-RX-API-DMAC10.html)
JP3745354B2 (ja) エンコーダアセンブリ
US5459573A (en) Light quantity controlling apparatus
JPH044974Y2 (cg-RX-API-DMAC10.html)
EP0476677B1 (en) Displacement information detection apparatus
JPH03104475A (ja) 読取装置
JPH0267219U (cg-RX-API-DMAC10.html)
JPH0638048B2 (ja) 反射型エンコーダ