FR2053357B1 - - Google Patents

Info

Publication number
FR2053357B1
FR2053357B1 FR7028254A FR7028254A FR2053357B1 FR 2053357 B1 FR2053357 B1 FR 2053357B1 FR 7028254 A FR7028254 A FR 7028254A FR 7028254 A FR7028254 A FR 7028254A FR 2053357 B1 FR2053357 B1 FR 2053357B1
Authority
FR
France
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
FR7028254A
Other languages
French (fr)
Other versions
FR2053357A1 (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
Priority claimed from DE19691938993 external-priority patent/DE1938993C/de
Application filed by Dr Johannes Heidenhain GmbH filed Critical Dr Johannes Heidenhain GmbH
Publication of FR2053357A1 publication Critical patent/FR2053357A1/fr
Application granted granted Critical
Publication of FR2053357B1 publication Critical patent/FR2053357B1/fr
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
    • G01D5/38—Forming the light into pulses by diffraction gratings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
FR7028254A 1969-07-31 1970-07-30 Expired FR2053357B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691938993 DE1938993C (de) 1969-07-31 Mehrspurige codierte Langen oder Winkelmeßeinrichtung

Publications (2)

Publication Number Publication Date
FR2053357A1 FR2053357A1 (de) 1971-04-16
FR2053357B1 true FR2053357B1 (de) 1973-04-27

Family

ID=5741520

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7028254A Expired FR2053357B1 (de) 1969-07-31 1970-07-30

Country Status (2)

Country Link
FR (1) FR2053357B1 (de)
GB (1) GB1325045A (de)

Also Published As

Publication number Publication date
GB1325045A (en) 1973-08-01
DE1938993A1 (de) 1971-03-25
DE1938993B2 (de) 1972-07-06
FR2053357A1 (de) 1971-04-16

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Legal Events

Date Code Title Description
ST Notification of lapse