NL141642B - Optisch-elektrische meetinrichting. - Google Patents

Optisch-elektrische meetinrichting.

Info

Publication number
NL141642B
NL141642B NL686801505A NL6801505A NL141642B NL 141642 B NL141642 B NL 141642B NL 686801505 A NL686801505 A NL 686801505A NL 6801505 A NL6801505 A NL 6801505A NL 141642 B NL141642 B NL 141642B
Authority
NL
Netherlands
Prior art keywords
optical
measuring device
electrical measuring
electrical
measuring
Prior art date
Application number
NL686801505A
Other languages
English (en)
Dutch (nl)
Other versions
NL6801505A (xx
Original Assignee
Contraves Ag
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 Contraves Ag filed Critical Contraves Ag
Publication of NL6801505A publication Critical patent/NL6801505A/xx
Publication of NL141642B publication Critical patent/NL141642B/xx

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)
NL686801505A 1967-02-23 1968-02-02 Optisch-elektrische meetinrichting. NL141642B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH268967A CH466593A (de) 1967-02-23 1967-02-23 Optisch-Elektrische-Winkelmesseinrichtung

Publications (2)

Publication Number Publication Date
NL6801505A NL6801505A (xx) 1968-08-26
NL141642B true NL141642B (nl) 1974-03-15

Family

ID=4239352

Family Applications (1)

Application Number Title Priority Date Filing Date
NL686801505A NL141642B (nl) 1967-02-23 1968-02-02 Optisch-elektrische meetinrichting.

Country Status (8)

Country Link
US (1) US3553469A (xx)
JP (1) JPS514429B1 (xx)
CH (2) CH466593A (xx)
DE (1) DE1798368B1 (xx)
FR (1) FR1567200A (xx)
GB (2) GB1220095A (xx)
NL (1) NL141642B (xx)
SE (1) SE330780B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935447A (en) * 1971-09-01 1976-01-27 Burroughs Corporation Angular motion detection apparatus
AT348266B (de) * 1973-10-30 1979-02-12 Gao Ges Automation Org Elektromechanischer taktgeber
SE402355B (sv) * 1976-10-15 1978-06-26 Bergkvist Lars A Anordning for indikering av en vinkel eller en vinkelhastighet
JPS5628544Y2 (xx) * 1976-10-22 1981-07-07
JPS5477631U (xx) * 1977-11-10 1979-06-02
DE2821170C2 (de) * 1978-05-13 1986-06-26 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zum objektivierten Zieleinfang
DE2961428D1 (en) 1978-06-26 1982-01-28 Contraves Ag Method of digital interpolation of one period of a three-phased analog signal
US4247769A (en) * 1978-12-21 1981-01-27 The Charles Stark Draper Laboratory, Inc. Apparatus for measuring angular and linear displacements
SE420352B (sv) * 1980-01-21 1981-09-28 Lars Stenmark Optisk legesgivare
GB8706317D0 (en) * 1987-03-17 1987-04-23 Bicc Plc Optical sensor
DE3844704C2 (xx) * 1987-09-30 1992-06-17 Kabushiki Kaisha Okuma Tekkosho, Nagoya, Aichi, Jp
US5202842A (en) * 1989-11-29 1993-04-13 Kabushiki Kaisha Okuma Tekkosho Rotational position detecting device which compensates for eccentricity of rotating object
JP3098834B2 (ja) * 1992-01-29 2000-10-16 オリンパス光学工業株式会社 偏心測定方法
DE19527287C2 (de) * 1995-07-26 2000-06-29 Heidenhain Gmbh Dr Johannes Fotoelektrisches Weg- und Winkelmeßsystem zum Messen der Verschiebung zweier Objekte zueinander
GB9522491D0 (en) * 1995-11-02 1996-01-03 Renishaw Plc Opto-electronic rotary encoder
US6635863B1 (en) * 1999-08-06 2003-10-21 Mitutoyo Corporation Optical encoder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877356A (en) * 1957-05-31 1959-03-10 Lloyd A Iddings Optical control system
DE1259621B (de) * 1965-03-25 1968-01-25 Telefunken Patent Lichtelektrischer Messgenerator

Also Published As

Publication number Publication date
CH498373A (de) 1970-10-31
SE330780B (xx) 1970-11-30
CH466593A (de) 1968-12-15
FR1567200A (xx) 1968-05-16
NL6801505A (xx) 1968-08-26
JPS514429B1 (xx) 1976-02-12
US3553469A (en) 1971-01-05
DE1798368B1 (de) 1971-07-08
GB1220094A (en) 1971-01-20
GB1220095A (en) 1971-01-20

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: CONTRAVES

V1 Lapsed because of non-payment of the annual fee