GB1398909A - Displacement-measuring systems - Google Patents

Displacement-measuring systems

Info

Publication number
GB1398909A
GB1398909A GB4737772A GB4737772A GB1398909A GB 1398909 A GB1398909 A GB 1398909A GB 4737772 A GB4737772 A GB 4737772A GB 4737772 A GB4737772 A GB 4737772A GB 1398909 A GB1398909 A GB 1398909A
Authority
GB
United Kingdom
Prior art keywords
source
fed
scale
combined
displacement
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
GB4737772A
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.)
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Original Assignee
Societe dOptique Precision Electronique et Mecanique SOPELEM SA
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 Societe dOptique Precision Electronique et Mecanique SOPELEM SA filed Critical Societe dOptique Precision Electronique et Mecanique SOPELEM SA
Publication of GB1398909A publication Critical patent/GB1398909A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2717/00—Arrangements for indicating or measuring
    • B23Q2717/003—Arrangements for indicating or measuring in lathes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB4737772A 1971-10-13 1972-10-13 Displacement-measuring systems Expired GB1398909A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7136756A FR2156990A5 (https=) 1971-10-13 1971-10-13

Publications (1)

Publication Number Publication Date
GB1398909A true GB1398909A (en) 1975-06-25

Family

ID=9084297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4737772A Expired GB1398909A (en) 1971-10-13 1972-10-13 Displacement-measuring systems

Country Status (7)

Country Link
US (1) US3809895A (https=)
BE (1) BE789538A (https=)
CH (1) CH571705A5 (https=)
FR (1) FR2156990A5 (https=)
GB (1) GB1398909A (https=)
IT (1) IT975208B (https=)
NL (1) NL7213871A (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872301A (en) * 1974-03-15 1975-03-18 Schwarzer Gmbh Fritz Automatically temperature-compensated electro-optic circuit
US4021116A (en) * 1975-09-02 1977-05-03 Bausch & Lomb Incorporated High resolution distance measuring apparatus
FR2423817A1 (fr) * 1978-04-17 1979-11-16 Vialet Pierre Capteur et comparateur de positions
EP0013799B1 (en) * 1978-12-19 1985-10-02 Kabushiki Kaisha Toshiba Encoder for length or angle measuring devices with high accuracy
DE3007311C2 (de) * 1980-02-27 1985-11-28 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Digitales lichtelektrisches Längen- oder Winkelmeßsystem
US4654525A (en) * 1982-08-31 1987-03-31 Sharp Kabushiki Kaisha Optical rotary encoder
JPS61137012A (ja) * 1984-12-07 1986-06-24 Hitachi Ltd 回転情報出力装置
DE3604215A1 (de) * 1986-02-11 1987-08-13 Heidenhain Gmbh Dr Johannes Lichtelektrische laengen- oder winkelmesseinrichtung
US5680157A (en) 1992-08-10 1997-10-21 Logitech, Inc. Pointing device with differential optomechanical sensing
DE19629005A1 (de) * 1996-07-18 1998-01-22 Teves Gmbh Alfred Mechanische Toleranzabgrenzung einer optischen Übertragungsstrecke
US5936236A (en) * 1997-11-26 1999-08-10 Renco Encoders, Inc. Method for generating a synthetic reference signal for comparison with scanning signals of a position measuring device
US6963063B2 (en) * 2003-05-22 2005-11-08 Renco Encoders Inc. Use of non-interdigitated commutation sensors on Opto-ASICS to achieve low CPR non-standard encoder resolutions
EP3025125B1 (de) 2013-07-23 2018-03-21 Balluff GmbH Verfahren zur dynamischen linearisierung von sensorsignalen eines magnetband-längenmesssystems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3214593A (en) * 1961-08-28 1965-10-26 Honeywell Inc Component drift compensator
CH444964A (de) * 1965-10-02 1967-10-15 Oerlikon Buehrle Holding Ag Anordnung zur Kompensation veränderlicher Störeinflüsse auf eine strahlungselektrische Mess- oder Steuerstrecke
NL137729C (https=) * 1965-10-11 1900-01-01
US3525856A (en) * 1966-10-06 1970-08-25 Honeywell Inc Control apparatus
SE324463B (https=) * 1968-03-27 1970-06-01 Aga Ab

Also Published As

Publication number Publication date
DE2249823A1 (de) 1973-04-26
IT975208B (it) 1974-07-20
FR2156990A5 (https=) 1973-06-01
DE2249823B2 (de) 1977-06-23
CH571705A5 (https=) 1976-01-15
NL7213871A (https=) 1973-04-17
BE789538A (fr) 1973-01-15
US3809895A (en) 1974-05-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee