DE9305151U1 - - Google Patents

Info

Publication number
DE9305151U1
DE9305151U1 DE9305151U DE9305151U DE9305151U1 DE 9305151 U1 DE9305151 U1 DE 9305151U1 DE 9305151 U DE9305151 U DE 9305151U DE 9305151 U DE9305151 U DE 9305151U DE 9305151 U1 DE9305151 U1 DE 9305151U1
Authority
DE
Germany
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
DE9305151U
Other languages
German (de)
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 to DE9305151U priority Critical patent/DE9305151U1/de
Publication of DE9305151U1 publication Critical patent/DE9305151U1/de
Priority to DE4402554A priority patent/DE4402554C2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/50—Grounding or electrostatically shielding a position sensor or encoder

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
DE9305151U 1993-04-03 1993-04-03 Expired - Lifetime DE9305151U1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE9305151U DE9305151U1 (en) 1993-04-03 1993-04-03
DE4402554A DE4402554C2 (en) 1993-04-03 1994-01-28 Photoelectric length or angle measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9305151U DE9305151U1 (en) 1993-04-03 1993-04-03

Publications (1)

Publication Number Publication Date
DE9305151U1 true DE9305151U1 (en) 1993-06-09

Family

ID=6891650

Family Applications (2)

Application Number Title Priority Date Filing Date
DE9305151U Expired - Lifetime DE9305151U1 (en) 1993-04-03 1993-04-03
DE4402554A Expired - Fee Related DE4402554C2 (en) 1993-04-03 1994-01-28 Photoelectric length or angle measuring device

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE4402554A Expired - Fee Related DE4402554C2 (en) 1993-04-03 1994-01-28 Photoelectric length or angle measuring device

Country Status (1)

Country Link
DE (2) DE9305151U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10132612A (en) * 1996-10-28 1998-05-22 Mitsutoyo Corp Optical displacement detecting device
DE10033263A1 (en) * 2000-07-10 2002-02-28 Heidenhain Gmbh Dr Johannes Optical position measuring device has strips of conductive material as screen against interference from electrical fields
DE10312884B4 (en) * 2003-03-22 2014-02-27 Dr. Johannes Heidenhain Gmbh probe
DE102004045729B4 (en) * 2004-09-21 2020-09-03 Dr. Johannes Heidenhain Gmbh Optical position measuring device
DE102007053137A1 (en) 2007-11-08 2009-05-14 Dr. Johannes Heidenhain Gmbh Scanning unit of an optical position-measuring device and position-measuring device with this scanning unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6219770A (en) * 1985-07-19 1987-01-28 Fanuc Ltd Motor provided with pulse encoder
JPH02241984A (en) * 1989-03-15 1990-09-26 Mitsubishi Electric Corp Turning angle detecting device

Also Published As

Publication number Publication date
DE4402554A1 (en) 1994-10-06
DE4402554C2 (en) 1995-03-09

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