IT1125284B - Dispositivo di misurazione fotoelettrico - Google Patents

Dispositivo di misurazione fotoelettrico

Info

Publication number
IT1125284B
IT1125284B IT12517/76A IT1251776A IT1125284B IT 1125284 B IT1125284 B IT 1125284B IT 12517/76 A IT12517/76 A IT 12517/76A IT 1251776 A IT1251776 A IT 1251776A IT 1125284 B IT1125284 B IT 1125284B
Authority
IT
Italy
Prior art keywords
measurement device
photoelectric measurement
photoelectric
measurement
Prior art date
Application number
IT12517/76A
Other languages
English (en)
Inventor
Gunther Nelle
Original Assignee
Heidenhain Gmbh Dr Johannes
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 Heidenhain Gmbh Dr Johannes filed Critical Heidenhain Gmbh Dr Johannes
Application granted granted Critical
Publication of IT1125284B publication Critical patent/IT1125284B/it

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)
IT12517/76A 1975-03-08 1976-03-05 Dispositivo di misurazione fotoelettrico IT1125284B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2510273A DE2510273B2 (de) 1975-03-08 1975-03-08 Fotoelektrische Meßeinrichtung

Publications (1)

Publication Number Publication Date
IT1125284B true IT1125284B (it) 1986-05-14

Family

ID=5940883

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12517/76A IT1125284B (it) 1975-03-08 1976-03-05 Dispositivo di misurazione fotoelettrico

Country Status (3)

Country Link
US (1) US4156137A (it)
DE (1) DE2510273B2 (it)
IT (1) IT1125284B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATA395181A (de) * 1981-09-14 1986-12-15 Rieder Heinz Handmessgeraet
DE3148910C1 (de) * 1981-12-10 1983-03-10 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lichtelektrische inkrementale Laengen- oder Winkelmesseinrichtung
DE3311118C2 (de) * 1983-03-26 1986-04-17 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Gekapselte lichtelektrische Meßeinrichtung
ATE159811T1 (de) * 1993-07-17 1997-11-15 Heidenhain Gmbh Dr Johannes Längen- oder winkelmesseinrichtung
DE59912617D1 (de) 1998-08-01 2006-02-16 Heidenhain Gmbh Dr Johannes Rotatorische Positionsmesseinrichtung
DE50112891D1 (de) * 2000-02-17 2007-10-04 Heidenhain Gmbh Dr Johannes Positionsmesseinrichtung und Verfahren zu deren Betrieb

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227562A (en) * 1938-08-19 1941-01-07 Rca Corp Push-pull photocell circuit
US2886717A (en) * 1953-03-14 1959-05-12 Ferranti Ltd Measuring apparatus
FR2112717A5 (it) * 1970-11-06 1972-06-23 Compteurs Comp D

Also Published As

Publication number Publication date
DE2510273A1 (de) 1976-09-16
DE2510273B2 (de) 1980-05-08
DE2510273C3 (it) 1981-01-22
US4156137A (en) 1979-05-22

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