FR1150777A - Photoelectric device for marking graduation lines - Google Patents

Photoelectric device for marking graduation lines

Info

Publication number
FR1150777A
FR1150777A FR1150777DA FR1150777A FR 1150777 A FR1150777 A FR 1150777A FR 1150777D A FR1150777D A FR 1150777DA FR 1150777 A FR1150777 A FR 1150777A
Authority
FR
France
Prior art keywords
photoelectric device
graduation lines
marking graduation
marking
lines
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
Application number
Other languages
French (fr)
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.)
Firma Wenczler and Heidenhain
Original Assignee
Firma Wenczler and Heidenhain
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 Firma Wenczler and Heidenhain filed Critical Firma Wenczler and Heidenhain
Application granted granted Critical
Publication of FR1150777A publication Critical patent/FR1150777A/en
Expired 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
    • G01D5/36—Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1150777D 1955-12-31 1956-04-10 Photoelectric device for marking graduation lines Expired FR1150777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1150777X 1955-12-31

Publications (1)

Publication Number Publication Date
FR1150777A true FR1150777A (en) 1958-01-17

Family

ID=7727390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1150777D Expired FR1150777A (en) 1955-12-31 1956-04-10 Photoelectric device for marking graduation lines

Country Status (1)

Country Link
FR (1) FR1150777A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202012B (en) * 1958-11-07 1965-09-30 Wenczler & Heidenhain Patentve Photoelectric device for the precise determination of the position of a division feature

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202012B (en) * 1958-11-07 1965-09-30 Wenczler & Heidenhain Patentve Photoelectric device for the precise determination of the position of a division feature

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