DE1905392B2 - - Google Patents

Info

Publication number
DE1905392B2
DE1905392B2 DE19691905392 DE1905392A DE1905392B2 DE 1905392 B2 DE1905392 B2 DE 1905392B2 DE 19691905392 DE19691905392 DE 19691905392 DE 1905392 A DE1905392 A DE 1905392A DE 1905392 B2 DE1905392 B2 DE 1905392B2
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.)
Pending
Application number
DE19691905392
Other versions
DE1905392A1 (de
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
Publication of DE1905392A1 publication Critical patent/DE1905392A1/de
Publication of DE1905392B2 publication Critical patent/DE1905392B2/de
Pending 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE19691905392 1968-04-23 1969-02-04 Vorrichtung zum Erzeugen von elektrischen Signalen mittels eines Skalengitters,das relativ zu einem Indexgitter bewegbar ist Pending DE1905392A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2699968 1968-04-23

Publications (2)

Publication Number Publication Date
DE1905392A1 DE1905392A1 (de) 1969-10-30
DE1905392B2 true DE1905392B2 (de) 1971-01-07

Family

ID=12208833

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691905392 Pending DE1905392A1 (de) 1968-04-23 1969-02-04 Vorrichtung zum Erzeugen von elektrischen Signalen mittels eines Skalengitters,das relativ zu einem Indexgitter bewegbar ist

Country Status (4)

Country Link
US (1) US3578979A (de)
CH (1) CH509574A (de)
DE (1) DE1905392A1 (de)
GB (1) GB1248598A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511350A1 (de) * 1974-03-15 1975-10-09 Nat Research Dev Corp London Vorrichtung zum messen der verschiebung eines ersten elementes bezueglich eines zweiten
DE2550840A1 (de) * 1974-11-25 1976-05-26 Bendix Corp Lagengeber
EP0206139A2 (de) * 1985-06-26 1986-12-30 Dr. Johannes Heidenhain GmbH Fehlergesicherte inkrementale Positionsmesseinrichtung
DE3790038T1 (de) * 1986-03-14 1988-03-31
DE3632084A1 (de) * 1986-09-20 1988-04-07 Telefunken Electronic Gmbh Optischer encoder
DE4017898A1 (de) * 1990-06-02 1991-12-05 Hengstler Gmbh Optisches abtastsystem fuer dreh- oder linear-impulsgeber

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864571A (en) * 1971-02-10 1975-02-04 Wheeler International Inc Method and Apparatus for Automatically, Identifying and Counting Various Cells in Body Fluids
NL7403468A (nl) * 1974-03-15 1975-09-17 Philips Nv Inrichting voor het bepalen van de verplaat- sing van een onderdeel van een werktuig.
GB1516536A (en) * 1975-08-22 1978-07-05 Ferranti Ltd Measuring apparatus
US4427883A (en) * 1981-05-27 1984-01-24 The Stanley Works Optical sensing system for extensible tape rules
NL8202300A (nl) * 1982-06-08 1984-01-02 Philips Nv Inrichting voor het bepalen van hoekverplaatsingen van een voorwerp.
DE3412128C1 (de) * 1984-03-31 1985-05-09 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmesseinrichtung
DE4323712C2 (de) * 1993-07-15 1997-12-11 Heidenhain Gmbh Dr Johannes Lichtelektrische Längen- oder Winkelmeßeinrichtung
DE4323624C2 (de) * 1993-07-15 1997-09-11 Heidenhain Gmbh Dr Johannes Lichtelektrische Längen- oder Winkelmeßeinrichtung
CH690463A5 (fr) * 1995-03-01 2000-09-15 Portescap Codeur optique incrémental.
GB9522491D0 (en) * 1995-11-02 1996-01-03 Renishaw Plc Opto-electronic rotary encoder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788519A (en) * 1954-12-10 1957-04-09 Telecomputing Corp Position indicating device
US3153111A (en) * 1958-06-26 1964-10-13 Nat Res Dev Measurement of displacements
GB1096022A (en) * 1963-06-21 1967-12-20 Cooke Conrad Reginald Improvements in or relating to apparatus for detecting and indicating the extent of relative movement
DE1208087B (de) * 1964-04-22 1965-12-30 Wenczler & Heidenhain Einrichtung zum Messen von Laengen mittels Impulszaehlung

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2511350A1 (de) * 1974-03-15 1975-10-09 Nat Research Dev Corp London Vorrichtung zum messen der verschiebung eines ersten elementes bezueglich eines zweiten
DE2550840A1 (de) * 1974-11-25 1976-05-26 Bendix Corp Lagengeber
EP0206139A2 (de) * 1985-06-26 1986-12-30 Dr. Johannes Heidenhain GmbH Fehlergesicherte inkrementale Positionsmesseinrichtung
EP0206139A3 (en) * 1985-07-26 1989-09-06 Dr. Johannes Heidenhain Gmbh Error-protected incremental position-measuring device
DE3790038T1 (de) * 1986-03-14 1988-03-31
DE3632084A1 (de) * 1986-09-20 1988-04-07 Telefunken Electronic Gmbh Optischer encoder
DE4017898A1 (de) * 1990-06-02 1991-12-05 Hengstler Gmbh Optisches abtastsystem fuer dreh- oder linear-impulsgeber

Also Published As

Publication number Publication date
DE1905392A1 (de) 1969-10-30
GB1248598A (en) 1971-10-06
CH509574A (it) 1971-06-30
US3578979A (en) 1971-05-18

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