DE3774260D1 - Opto-elektronischer apparat zum ablesen einer skala. - Google Patents

Opto-elektronischer apparat zum ablesen einer skala.

Info

Publication number
DE3774260D1
DE3774260D1 DE8787904297T DE3774260T DE3774260D1 DE 3774260 D1 DE3774260 D1 DE 3774260D1 DE 8787904297 T DE8787904297 T DE 8787904297T DE 3774260 T DE3774260 T DE 3774260T DE 3774260 D1 DE3774260 D1 DE 3774260D1
Authority
DE
Germany
Prior art keywords
opto
reading
scale
electronic apparatus
electronic
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 - Lifetime
Application number
DE8787904297T
Other languages
English (en)
Inventor
Frank Stephens
Ernest Cannings
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.)
Renishaw PLC
Original Assignee
Renishaw PLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10600511&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3774260(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Renishaw PLC filed Critical Renishaw PLC
Application granted granted Critical
Publication of DE3774260D1 publication Critical patent/DE3774260D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/002—Details
    • G01B3/004—Scales; Graduations
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
  • Laminated Bodies (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
DE8787904297T 1986-07-03 1987-07-03 Opto-elektronischer apparat zum ablesen einer skala. Expired - Lifetime DE3774260D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868616240A GB8616240D0 (en) 1986-07-03 1986-07-03 Opto-electronic scale reading apparatus
PCT/GB1987/000471 WO1988000332A1 (en) 1986-07-03 1987-07-03 Opto-electronic scale-reading apparatus

Publications (1)

Publication Number Publication Date
DE3774260D1 true DE3774260D1 (de) 1991-12-05

Family

ID=10600511

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8787904298T Expired - Lifetime DE3771319D1 (de) 1986-07-03 1987-07-03 Metrologische skala.
DE8787904297T Expired - Lifetime DE3774260D1 (de) 1986-07-03 1987-07-03 Opto-elektronischer apparat zum ablesen einer skala.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE8787904298T Expired - Lifetime DE3771319D1 (de) 1986-07-03 1987-07-03 Metrologische skala.

Country Status (6)

Country Link
US (2) US4974962A (de)
EP (2) EP0274491B1 (de)
JP (2) JPS63501381A (de)
DE (2) DE3771319D1 (de)
GB (1) GB8616240D0 (de)
WO (2) WO1988000332A1 (de)

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CN1018631B (zh) * 1987-10-05 1992-10-14 尚惠春 工业化生产彩虹发生材料及彩虹制品的方法
GB8819723D0 (en) * 1988-08-19 1988-09-21 Renishaw Plc Metrological scale
GB8821837D0 (en) * 1988-09-16 1988-10-19 Renishaw Plc Scale for use with opto-electronic scale reading apparatus
JP2796385B2 (ja) * 1989-12-22 1998-09-10 ミネソタ マイニング アンド マニユフアクチユアリング カンパニー 撥水撥油処理剤
DE4104840A1 (de) * 1991-02-16 1992-08-20 Abb Patent Gmbh Brennstoffzellenanordnung
US5300786A (en) * 1992-10-28 1994-04-05 International Business Machines Corporation Optical focus phase shift test pattern, monitoring system and process
SE9300508D0 (sv) * 1993-02-16 1993-02-16 Jan Gunnar Sergenius Saett vid laengd- eller vinkelmaetning samt utrustning haerfoer
WO1996008693A1 (fr) * 1994-09-15 1996-03-21 Brand Edith Dispositif et procede de mesure de mouvement ou de positionnement
GB9424969D0 (en) * 1994-12-10 1995-02-08 Renishaw Plc Opto-electronic scale reading apparatus
JP2960013B2 (ja) 1996-07-29 1999-10-06 慧 清野 移動物体の検出用目盛及びこれを用いた移動物体の検出装置
DE19802036B4 (de) * 1998-01-21 2006-11-30 Dr. Johannes Heidenhain Gmbh Verfahren und Vorrichtung zur mechanischen Justage von Teilungsträgern
GB9924331D0 (en) * 1999-10-15 1999-12-15 Renishaw Plc Scale reading apparatus
GB9924332D0 (en) 1999-10-15 1999-12-15 Renishaw Plc Producing a scale for use in opto-electronic scale reading apparatus
EP1111346A3 (de) 1999-11-30 2003-10-22 RENISHAW plc Vorrichtung zum Festhalten eines Massstabs
GB9928483D0 (en) 1999-12-03 2000-02-02 Renishaw Plc Opto-electronic scale reading apparatus
JP4444469B2 (ja) 2000-08-07 2010-03-31 株式会社ミツトヨ 光学式変位測定装置
US6639177B2 (en) * 2001-03-29 2003-10-28 Gsi Lumonics Corporation Method and system for processing one or more microstructures of a multi-material device
JP2005517168A (ja) 2002-02-08 2005-06-09 ローベルト　ボツシユ　ゲゼルシヤフト　ミツト　ベシユレンクテル　ハフツング 光学的な角度及びトルクセンサ
GB0216487D0 (en) * 2002-07-16 2002-08-21 Renishaw Plc A rotary scale
US7186969B2 (en) * 2003-02-12 2007-03-06 Mitutoyo Corporation Optical configuration for imaging-type optical encoders
US7085057B2 (en) * 2003-10-15 2006-08-01 Invenios Direct-write system and method for roll-to-roll manufacturing of reflective gratings
US20060000814A1 (en) * 2004-06-30 2006-01-05 Bo Gu Laser-based method and system for processing targeted surface material and article produced thereby
GB0416952D0 (en) * 2004-07-30 2004-09-01 Renishaw Plc Scale making method
ATE542419T1 (de) * 2004-08-26 2012-02-15 Monsanto Technology Llc Automatischer samenprobennehmer und verfahren zum probennehmen, testen und vermehren von samen
JP4833543B2 (ja) * 2004-12-09 2011-12-07 株式会社ミツトヨ 光電式エンコーダ、それに用いるスケール及びその製造方法
GB0509727D0 (en) 2005-05-13 2005-06-22 Renishaw Plc Method and apparatus for scale manufacture
GB0625123D0 (en) * 2006-12-18 2007-01-24 Renishaw Plc Phase contrast encoding
GB0811076D0 (en) * 2008-06-17 2008-07-23 Renishaw Plc Scale track
US9122877B2 (en) 2011-03-21 2015-09-01 Mcafee, Inc. System and method for malware and network reputation correlation
CN103619770A (zh) * 2011-07-06 2014-03-05 瑞尼斯豪公司 制造方法及其所用设备
DE102012101486B3 (de) * 2012-02-24 2013-06-20 Bogen Electronic Gmbh Aufbewahrungsspule mit einem Magnetmaßstabband und Verfahren zum Aufbewahren des Magnetmaßstabbands
WO2014055209A1 (en) * 2012-10-02 2014-04-10 Illinois Tool Works Inc. Method and apparatus for cold forming thread rolling dies
TWI805056B (zh) 2016-09-08 2023-06-11 美商米沃奇電動工具公司 具有強化帶刃及/或降低撕裂鉤架構之捲尺
JP6838466B2 (ja) * 2017-04-03 2021-03-03 株式会社デンソー 圧延曲げ加工方法及び圧延曲げ加工装置
CN111033167B (zh) 2017-08-24 2022-05-13 米沃奇电动工具公司 具有增加尺带突出的尺带尺片轮廓的卷尺
WO2019173514A1 (en) 2018-03-07 2019-09-12 Milwaukee Electric Tool Corporation Tape measure with reinforced tape blade
CN113767262A (zh) 2019-05-03 2021-12-07 米沃奇电动工具公司 包括端部保护膜的具有尺条的卷尺
GB201918002D0 (en) 2019-12-09 2020-01-22 Renishaw Plc Rotary encoder
EP4040116A1 (de) 2021-02-09 2022-08-10 Renishaw PLC Verfahren zur montage eines drehbaren skalenteils
WO2022074371A1 (en) 2020-10-05 2022-04-14 Renishaw Plc Rotary encoder
WO2022171995A1 (en) 2021-02-09 2022-08-18 Renishaw Plc Disc scale member offset determination
EP4253916A1 (de) 2022-04-01 2023-10-04 Renishaw PLC Verfahren zur montage eines drehbaren skalenelements
GB202211615D0 (en) 2022-08-09 2022-09-21 Renishaw Plc Scale
EP4414664A1 (de) 2023-02-09 2024-08-14 Renishaw PLC Rotierende kodiervorrichtung

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US41742A (en) * 1864-02-23 Improvement in machines for stamping carpenters squares
US1249132A (en) * 1915-07-15 1917-12-04 Philip J Leavens Aluminum rule.
US2171504A (en) * 1936-05-12 1939-08-29 Keuffel & Esser Co Measuring tape
DE826365C (de) * 1948-10-02 1952-01-03 Hermann Rachinger Verfahren und Vorrichtung zum Anbringen spiegelbildlich sich deckender Teilungen auf Ober- und Unterseite von Kurvenlinealen
US2796498A (en) * 1956-03-19 1957-06-18 Chicago Telephone Supply Corp Electric switch with terminal assembly especially adapted for connection to printed circuits
GB932481A (en) * 1959-05-13 1963-07-31 John Guild Improvements in metrology apparatus incorporating optical gratings
US3198946A (en) * 1960-10-26 1965-08-03 Perkin Elmer Corp Apparatus for sensing position of a radiation reflector
US3344700A (en) * 1961-05-23 1967-10-03 British Aircraft Corp Ltd Displacement measuring system
DE1448511A1 (de) * 1964-09-19 1969-04-17 Zeiss Carl Fa Praezisionsmassstab aus Metall
US3409988A (en) * 1966-02-11 1968-11-12 Cooper Ind Inc Measuring tapes and methods of making such tapes
DE2405341A1 (de) * 1974-02-05 1975-08-07 Leitz Ernst Gmbh Anordnung zur lichtmodulation
US3996780A (en) * 1975-07-02 1976-12-14 Dravo Corporation Method and apparatus for making an improved serrated grating bar
GB1516536A (en) * 1975-08-22 1978-07-05 Ferranti Ltd Measuring apparatus
DE3018759C2 (de) * 1980-05-16 1982-05-06 Held, Kurt, 7218 Trossingen Verfahren zum Profilieren von Metallbändern
US4338807A (en) * 1980-08-26 1982-07-13 Armco Inc. Method of producing improved serrated flats used in the manufacturing of grating
DE3038716C2 (de) * 1980-10-14 1985-12-12 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmeßeinrichtung
JPS6244332Y2 (de) * 1981-05-29 1987-11-21
JPS5875004A (ja) * 1981-10-30 1983-05-06 Mitsutoyo Mfg Co Ltd 光電式変位検出装置の反射型スケ−ルの製造方法
JPS58122103A (ja) * 1982-01-13 1983-07-20 Kawasaki Steel Corp 片面クラツド鋼板の圧延方法
JPS5971835A (ja) * 1982-10-18 1984-04-23 Sekisui Chem Co Ltd ポリオレフイン発泡体シ−トのエンボス加工方法
JPS59178144A (ja) * 1983-03-25 1984-10-09 Sumitomo Metal Ind Ltd 剛性の優れたエンボス板とその製造方法
US4530230A (en) * 1983-11-14 1985-07-23 Aluminum Company Of America Foil rolling method and apparatus
DE3416864C2 (de) * 1984-05-08 1986-04-10 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Photoelektrische Meßeinrichtung
JPS6129717A (ja) * 1984-07-20 1986-02-10 Ono Sokki Co Ltd 光電式反射型エンコ−ダ

Also Published As

Publication number Publication date
US4926566A (en) 1990-05-22
EP0274492B2 (de) 1994-10-12
EP0274491A1 (de) 1988-07-20
DE3771319D1 (de) 1991-08-14
US4974962A (en) 1990-12-04
EP0274491B1 (de) 1991-10-30
JPS63501381A (ja) 1988-05-26
EP0274492B1 (de) 1991-07-10
GB8616240D0 (en) 1986-08-13
JPH01500224A (ja) 1989-01-26
EP0274492A1 (de) 1988-07-20
WO1988000331A1 (en) 1988-01-14
WO1988000332A1 (en) 1988-01-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition