FR2297399A1 - Systeme optique de mesure de dimensions ou de constantes optiques - Google Patents

Systeme optique de mesure de dimensions ou de constantes optiques

Info

Publication number
FR2297399A1
FR2297399A1 FR7600104A FR7600104A FR2297399A1 FR 2297399 A1 FR2297399 A1 FR 2297399A1 FR 7600104 A FR7600104 A FR 7600104A FR 7600104 A FR7600104 A FR 7600104A FR 2297399 A1 FR2297399 A1 FR 2297399A1
Authority
FR
France
Prior art keywords
moire
length
measurement system
lines
angles
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.)
Withdrawn
Application number
FR7600104A
Other languages
English (en)
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar 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
Application filed by Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of FR2297399A1 publication Critical patent/FR2297399A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • 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
    • G01D5/366—Particular pulse shapes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
FR7600104A 1975-01-10 1976-01-05 Systeme optique de mesure de dimensions ou de constantes optiques Withdrawn FR2297399A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752500798 DE2500798A1 (de) 1975-01-10 1975-01-10 Optisches messystem

Publications (1)

Publication Number Publication Date
FR2297399A1 true FR2297399A1 (fr) 1976-08-06

Family

ID=5936214

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7600104A Withdrawn FR2297399A1 (fr) 1975-01-10 1976-01-05 Systeme optique de mesure de dimensions ou de constantes optiques

Country Status (3)

Country Link
JP (1) JPS5195863A (fr)
DE (1) DE2500798A1 (fr)
FR (1) FR2297399A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190366A (en) * 1977-04-25 1980-02-26 Laser Precision Corporation Refractively scanned interferometer
DE3175207D1 (en) * 1981-05-29 1986-10-02 Ibm Deutschland Process and device for interferometric evenness measurement
DE3229343A1 (de) * 1981-12-15 1983-07-21 Robert Bosch Gmbh, 7000 Stuttgart Sensor fuer relativbewegungen
DD219565A1 (de) * 1983-12-05 1985-03-06 Adw Ddr Anordnung zur interferometrischen ebenheitspruefung technischer oberflaechen
DE3616144A1 (de) * 1986-05-14 1987-11-19 Heidenhain Gmbh Dr Johannes Fotoelektrische messeinrichtung
JPS633220A (ja) * 1986-06-23 1988-01-08 Keihin Densokuki Kk 光学式リニアスケ−ル
GB8706317D0 (en) * 1987-03-17 1987-04-23 Bicc Plc Optical sensor
DE3929239A1 (de) * 1989-09-02 1991-03-07 Teldix Gmbh Ringlaserkreisel
DE4017898A1 (de) * 1990-06-02 1991-12-05 Hengstler Gmbh Optisches abtastsystem fuer dreh- oder linear-impulsgeber
DE19527287C2 (de) * 1995-07-26 2000-06-29 Heidenhain Gmbh Dr Johannes Fotoelektrisches Weg- und Winkelmeßsystem zum Messen der Verschiebung zweier Objekte zueinander
DE19538228C2 (de) * 1995-10-13 1999-07-22 Hans Dr Lochbihler Positionserfassungseinrichtung
DE10018496A1 (de) * 2000-04-14 2001-10-25 Kostal Leopold Gmbh & Co Kg Optoelektronische Weg- oder Winkelmeßeinrichtung, Verwendung einer solchen Meßeinrichtung als Drehmomenterfassungseinrichtung sowie Lenkkraftunterstützungssystem für Kraftfahrzeuge mit einer solchen Drehmomenterfassungseinrichtung
JP4350419B2 (ja) † 2003-05-16 2009-10-21 株式会社ミツトヨ 光電式エンコーダ
DE10346380B4 (de) * 2003-09-26 2014-01-16 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
JP2006043624A (ja) * 2004-08-06 2006-02-16 Hosokawa Micron Corp 処理物容器及び処理装置

Also Published As

Publication number Publication date
JPS5195863A (fr) 1976-08-23
DE2500798A1 (de) 1976-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse