FR2028166A1 - - Google Patents

Info

Publication number
FR2028166A1
FR2028166A1 FR7000849A FR7000849A FR2028166A1 FR 2028166 A1 FR2028166 A1 FR 2028166A1 FR 7000849 A FR7000849 A FR 7000849A FR 7000849 A FR7000849 A FR 7000849A FR 2028166 A1 FR2028166 A1 FR 2028166A1
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.)
Withdrawn
Application number
FR7000849A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2028166A1 publication Critical patent/FR2028166A1/fr
Withdrawn legal-status Critical Current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)
  • Length Measuring Devices By Optical Means (AREA)
  • Polarising Elements (AREA)
  • Optical Transform (AREA)
FR7000849A 1969-01-11 1970-01-12 Withdrawn FR2028166A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6900491A NL6900491A (fr) 1969-01-11 1969-01-11

Publications (1)

Publication Number Publication Date
FR2028166A1 true FR2028166A1 (fr) 1970-10-09

Family

ID=19805844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7000849A Withdrawn FR2028166A1 (fr) 1969-01-11 1970-01-12

Country Status (9)

Country Link
US (1) US3630625A (fr)
JP (1) JPS501217B1 (fr)
AU (1) AU1012370A (fr)
BE (1) BE744278A (fr)
CH (1) CH519700A (fr)
DE (1) DE1963835C3 (fr)
FR (1) FR2028166A1 (fr)
GB (1) GB1303261A (fr)
NL (1) NL6900491A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451668A1 (de) * 1974-10-31 1976-05-06 Leitz Ernst Gmbh Anordnung zur geometrischen trennung von lichtfluessen in abbildungssystemen
JPS51105876A (ja) * 1975-03-14 1976-09-20 Hitachi Ltd Jikikogakukokaomochiirukodokei
DE2857203A1 (de) * 1977-11-25 1980-11-27 J Mckelvie Method and apparatus for sensing in-plane deformation of a surface
DE3633574A1 (de) * 1986-10-02 1988-04-14 Heidenhain Gmbh Dr Johannes Lichtelektrische winkelmesseinrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441049A (en) * 1944-09-29 1948-05-04 Polaroid Corp Composite achromatic wave plates comprising superimposed sheets of differently birefringent, molecularly oriented, transparent, solid, organic plastic material
DE1548707C3 (de) * 1966-07-26 1979-02-15 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Fotoelektrischer Schrittgeber

Also Published As

Publication number Publication date
AU1012370A (en) 1971-07-08
NL6900491A (fr) 1970-07-14
GB1303261A (fr) 1973-01-17
CH519700A (de) 1972-02-29
DE1963835C3 (de) 1979-06-21
DE1963835A1 (de) 1970-09-17
BE744278A (fr) 1970-07-09
DE1963835B2 (de) 1978-10-19
JPS501217B1 (fr) 1975-01-16
US3630625A (en) 1971-12-28

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Legal Events

Date Code Title Description
ST Notification of lapse