DE59704038D1 - OPTICAL POSITION MEASURING DEVICE - Google Patents

OPTICAL POSITION MEASURING DEVICE

Info

Publication number
DE59704038D1
DE59704038D1 DE59704038T DE59704038T DE59704038D1 DE 59704038 D1 DE59704038 D1 DE 59704038D1 DE 59704038 T DE59704038 T DE 59704038T DE 59704038 T DE59704038 T DE 59704038T DE 59704038 D1 DE59704038 D1 DE 59704038D1
Authority
DE
Germany
Prior art keywords
measuring device
position measuring
optical position
optical
measuring
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 - Lifetime
Application number
DE59704038T
Other languages
German (de)
Inventor
Jan Braasch
Michael Allgaeuer
Christian Callimici
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.)
Dr Johannes Heidenhain GmbH
Original Assignee
Dr Johannes Heidenhain GmbH
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 Dr Johannes Heidenhain GmbH filed Critical Dr Johannes Heidenhain GmbH
Priority claimed from PCT/EP1997/005520 external-priority patent/WO1998021810A1/en
Application granted granted Critical
Publication of DE59704038D1 publication Critical patent/DE59704038D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

DE59704038T 1996-11-13 1997-10-08 OPTICAL POSITION MEASURING DEVICE Expired - Lifetime DE59704038D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19646771 1996-11-13
PCT/EP1997/005520 WO1998021810A1 (en) 1996-11-13 1997-10-08 Optical position-measurement device

Publications (1)

Publication Number Publication Date
DE59704038D1 true DE59704038D1 (en) 2001-08-16

Family

ID=7811460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59704038T Expired - Lifetime DE59704038D1 (en) 1996-11-13 1997-10-08 OPTICAL POSITION MEASURING DEVICE

Country Status (3)

Country Link
JP (1) JP3429007B2 (en)
CN (1) CN1111936C (en)
DE (1) DE59704038D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10050392A1 (en) * 2000-10-12 2002-04-18 Heidenhain Gmbh Dr Johannes Position measurement device converts mutually phase shifted analog sensing signals from scale sensing elements into multi-position amplitude-proportional code word applied to output unit
EP1519158B1 (en) * 2003-09-23 2010-08-11 Dr. Johannes Heidenhain GmbH Position measuring device
JP4784905B2 (en) * 2004-09-03 2011-10-05 株式会社安川電機 XY positioning device
DE102012221566A1 (en) * 2012-11-26 2014-05-28 Dr. Johannes Heidenhain Gmbh Optical position measuring device
CN109769407B (en) * 2016-08-16 2022-04-15 罗伯特·博世有限公司 Optical sensor and method for estimating rotor position in electric motor, and electric motor including optical sensor

Also Published As

Publication number Publication date
JP2001503598A (en) 2001-03-13
CN1237284A (en) 1999-12-01
JP3429007B2 (en) 2003-07-22
CN1111936C (en) 2003-06-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition