DE69942916D1 - Positionsbestimmungsvorrichtung für ein bewegliches mechanisches Teil und Markierungsverfahren dafür - Google Patents

Positionsbestimmungsvorrichtung für ein bewegliches mechanisches Teil und Markierungsverfahren dafür

Info

Publication number
DE69942916D1
DE69942916D1 DE69942916T DE69942916T DE69942916D1 DE 69942916 D1 DE69942916 D1 DE 69942916D1 DE 69942916 T DE69942916 T DE 69942916T DE 69942916 T DE69942916 T DE 69942916T DE 69942916 D1 DE69942916 D1 DE 69942916D1
Authority
DE
Germany
Prior art keywords
positioning device
method therefor
mechanical part
marking method
movable mechanical
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
DE69942916T
Other languages
English (en)
Inventor
John Shepherd
Roger William Brassington
Ian Arnold Moor
Mark Lewis Whatley
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.)
JC Bamford Excavators Ltd
Original Assignee
JC Bamford Excavators Ltd
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 JC Bamford Excavators Ltd filed Critical JC Bamford Excavators Ltd
Application granted granted Critical
Publication of DE69942916D1 publication Critical patent/DE69942916D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2846—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using detection of markings, e.g. markings on the piston rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1457—Piston rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2869—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves
    • F15B15/2876—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using electromagnetic radiation, e.g. radar or microwaves using optical means, e.g. laser
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/249—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
    • G01D5/2492—Pulse stream
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3306—Optical measuring means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
    • A61M2205/3389—Continuous level detection
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Optical Transform (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Impact Printers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE69942916T 1998-04-02 1999-03-31 Positionsbestimmungsvorrichtung für ein bewegliches mechanisches Teil und Markierungsverfahren dafür Expired - Lifetime DE69942916D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9807020.4A GB9807020D0 (en) 1998-04-02 1998-04-02 A method of marking a mechanical element, an encoding scheme, a reading means for said marking and an apparatus for determining the position of said element

Publications (1)

Publication Number Publication Date
DE69942916D1 true DE69942916D1 (de) 2010-12-16

Family

ID=10829696

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69938631T Expired - Lifetime DE69938631D1 (de) 1998-04-02 1999-03-31 Positionsmesseinrichtung für einen mechanischen Teil und Markierungsverfahren dafür
DE69942916T Expired - Lifetime DE69942916D1 (de) 1998-04-02 1999-03-31 Positionsbestimmungsvorrichtung für ein bewegliches mechanisches Teil und Markierungsverfahren dafür

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69938631T Expired - Lifetime DE69938631D1 (de) 1998-04-02 1999-03-31 Positionsmesseinrichtung für einen mechanischen Teil und Markierungsverfahren dafür

Country Status (8)

Country Link
US (1) US6452158B1 (de)
EP (2) EP1426737B1 (de)
JP (1) JPH11320457A (de)
AT (2) ATE394649T1 (de)
CA (2) CA2267806C (de)
DE (2) DE69938631D1 (de)
ES (1) ES2303728T3 (de)
GB (2) GB9807020D0 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1328892A1 (de) * 2000-10-23 2003-07-23 International Pipe Technology Management (Ireland) Limited Verfahren und gerät zum aufbringen einer identitätsmarkierung auf einen gegenstand
US6526793B1 (en) * 2000-10-25 2003-03-04 Donald M. Danko Magnetic marking and positioning system for unfinished metal bars
US6834574B2 (en) 2002-01-04 2004-12-28 Parker-Hannifin Corporation Cylinder with optical position sensing device and method
US7552671B2 (en) * 2002-01-04 2009-06-30 Parker-Hannifin Corporation Cylinder with fiber optical position sensing device and method
AU2003206963A1 (en) * 2002-03-01 2003-09-16 Cooper Cameron Corporation Absolute position encoder
JP4658599B2 (ja) * 2002-07-24 2011-03-23 デカ・プロダクツ・リミテッド・パートナーシップ 注入装置用の光学的偏位センサ
NL1022128C2 (nl) * 2002-12-10 2004-07-05 Hytop B V Meetmethode voor het bepalen van de verplaatsing van een beweegbaar deel van een actuator en inrichting voor toepassing van de meetmethode.
US7034283B2 (en) * 2003-03-05 2006-04-25 Raytheon Company Absolute incremental position encoder and method
WO2004099724A2 (en) 2003-05-06 2004-11-18 Sri International Hydraulic cylinder with piston and a magnetic layer on the piston rod for piston position determination
GB0316921D0 (en) * 2003-07-19 2003-08-27 Renishaw Plc Reader for a scale marking
TWI282047B (en) * 2003-07-23 2007-06-01 Murata Machinery Ltd Carrying vehicle system and carrying vehicle
TWI290272B (en) * 2004-03-12 2007-11-21 Murata Machinery Ltd Moving body system
EP1600256A1 (de) * 2004-05-24 2005-11-30 Wila B.V. Positionierung und Erkennung eines Werkzeuges in einer Werkzeughalterung
GB0415141D0 (en) 2004-07-06 2004-08-11 Renishaw Plc Scale reading apparatus
US7191943B2 (en) 2004-07-28 2007-03-20 Caterpillar Inc Robust barcode and reader for rod position determination
GB0419882D0 (en) * 2004-09-08 2004-10-13 Bamford Excavators Ltd Calculation module
GB2417943B (en) * 2004-09-08 2008-10-15 Bamford Excavators Ltd Material handling vehicle
US7259553B2 (en) 2005-04-13 2007-08-21 Sri International System and method of magnetically sensing position of a moving component
JP4172477B2 (ja) * 2005-08-17 2008-10-29 村田機械株式会社 パターンの実機への実装方法
US20080023553A1 (en) * 2006-07-31 2008-01-31 Robert Jones Optical reader having integral lens and diffuser
JP4707198B2 (ja) * 2006-10-19 2011-06-22 富士通株式会社 情報検索プログラム、該プログラムを記録した記録媒体、情報検索方法、および情報検索装置
US7927067B2 (en) * 2007-05-01 2011-04-19 United Technologies Corporation System and method for controlling stator assemblies
GB2452730A (en) 2007-09-12 2009-03-18 Bamford Excavators Ltd Method of providing a machine readable marking
EP2277012B1 (de) 2008-05-16 2014-07-30 Parker-Hannifin Corporation Sonde zur bestimmung einer absoluten position einer zylinderstange
US8970208B2 (en) * 2010-02-11 2015-03-03 Sri International Displacement measurement system and method using magnetic encodings
DE102010045355A1 (de) * 2010-09-14 2012-03-15 Festo Ag & Co. Kg Positionsmesssystem und Verfahren zur Ermittlung einer Absolutposition
ITTO20110623A1 (it) * 2011-07-14 2013-01-15 Cizeta Medicali S P A Dispositivo a rullo, per trattamenti di drenaggio linfatico
US9255830B2 (en) 2012-05-21 2016-02-09 Common Sensing Inc. Dose measurement system and method
US8817258B2 (en) 2012-05-21 2014-08-26 Common Sensing Inc. Dose measurement system and method
EP2950850B1 (de) * 2013-01-29 2016-10-26 Sanofi-Aventis Deutschland GmbH Anordnung zum erkennen einer position auf einem stössel
ITVR20130191A1 (it) * 2013-08-07 2015-02-08 Giuliani S R L Unitá cilindro-pistone e metodo di rilevamento in continuo della posizione reciproca tra il cilindro ed il pistone di tale unitá.
US10267303B2 (en) * 2013-08-30 2019-04-23 Flow Control Llc. High viscosity portion pump
CA2952844A1 (en) 2014-08-01 2016-02-04 Common Sensing Inc. Liquid measurement systems, apparatus, and methods optimized with temperature sensing
DE102015104201A1 (de) 2015-03-20 2016-09-22 Jungheinrich Aktiengesellschaft Fluidzylinder
US9765711B2 (en) * 2015-05-27 2017-09-19 Deere & Company System and method for determining information related to a rotation of a shaft
DK3995810T3 (da) 2015-07-12 2024-01-29 Patients Pending Ltd Dæksel til et væskeleveringssystem med integreret stempelpositionsregistrering og tilsvarende fremgangsmåde
DE102016103721A1 (de) 2016-03-02 2017-09-07 Jungheinrich Aktiengesellschaft Zylinder mit einem optischen Positionssensor
CA3029651A1 (en) 2016-07-15 2018-01-18 Common Sensing Inc. Dose measurement systems and methods
IT201700030602A1 (it) * 2017-03-20 2018-09-20 Giuliani S R L Sistema per la misurazione della posizione di un organo meccanico e metodo per la misurazione della posizione di un organo meccanico
DE102017118509A1 (de) 2017-08-14 2019-02-14 Jungheinrich Aktiengesellschaft Zylinder mit einer Kolbenstange und einem optischen Positionsmesser
CN110160563B (zh) * 2018-02-12 2021-03-09 杭州微策生物技术股份有限公司 一种生物传感器电阻调节编码信息的方法
DE102018108956A1 (de) * 2018-04-16 2019-10-17 Jungheinrich Aktiengesellschaft Verfahren zum Betrieb einer optischen Sensoreinheit eines Flurförderzeugs sowie eine optische Sensoreinheit
EP3693708B1 (de) 2019-02-08 2024-07-17 Jungheinrich Aktiengesellschaft Zylinder mit einer kolbenstange und einem optischen positionsmesser
CN115143164B (zh) * 2021-03-31 2023-07-25 三一汽车制造有限公司 活塞杆的位置检测方法、装置、液压缸及作业机械
CN114278645A (zh) * 2021-12-17 2022-04-05 合肥长源液压股份有限公司 一种数字液压缸

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1284641A (en) 1970-01-08 1972-08-09 Ferranti Ltd Improvements relating to measuring apparatus
US3746842A (en) 1971-09-27 1973-07-17 Laitram Corp Digital magnetic compass
FR2233512A1 (en) 1973-06-14 1975-01-10 Repiquet Sa Vice with controlled displacement - has plastic marks on stem for photodetector
US3963098A (en) 1974-05-07 1976-06-15 Westinghouse Electric Corporation Position measurement apparatus
US4112295A (en) 1974-12-30 1978-09-05 Instytut Geodezji I Kartograffi Apparatus for direct measurement of displacements with a holographic scale
FR2310549A1 (fr) 1975-05-07 1976-12-03 Sagem Perfectionnements aux dispositifs optiques de determination de la position d'un organe mobile
US4071818A (en) 1975-11-03 1978-01-31 Combustion Engineering, Inc. Magnetostrictive position indicator
JPS56159798A (en) 1980-05-12 1981-12-09 Tokyo Shibaura Electric Co Length or angle measuring device
DE3035774A1 (de) 1980-09-23 1982-05-27 Robert Bosch Gmbh, 7000 Stuttgart Digitaler positionsgeber
DE3116333C2 (de) 1981-04-24 1984-01-12 H. Kuhnke Gmbh Kg, 2427 Malente Meßsystem zum berührungslosen Erfassen von Positionen der Kolbenstange einer Kolben-Zylinder-Einheit
JPS5829093A (ja) * 1981-08-13 1983-02-21 株式会社トプコン アブソリユ−トエンコ−ダ
JPS58132892A (ja) * 1982-01-30 1983-08-08 株式会社ニコン 光電式エンコ−ダ装置
CH658514A5 (de) 1982-02-09 1986-11-14 Wild Heerbrugg Ag Verfahren und vorrichtung zur erfassung einer messgroesse.
GB2121252A (en) 1982-05-18 1983-12-14 Marconi Co Ltd Apparatus for indicating the position of a member
US4572952A (en) 1982-07-28 1986-02-25 Adrian March Research Ltd. Position sensor with moire interpolation
EP0116636B1 (de) 1982-09-01 1988-08-10 Rosemount Limited Positionsmesseinrichtung
JPS6063416A (ja) 1983-09-16 1985-04-11 Max Co Ltd 移動位置読取装置
CH676043A5 (de) 1983-12-30 1990-11-30 Wild Leitz Ag
DE3415091C1 (de) * 1984-04-21 1985-07-11 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmeßeinrichtung
JPS61213628A (ja) * 1985-03-19 1986-09-22 Mitsutoyo Mfg Co Ltd 位置検出装置
JPS6270915A (ja) * 1985-09-24 1987-04-01 Japan Tobacco Inc 無人搬送車
US4756229A (en) 1986-09-25 1988-07-12 United Technologies Corporation Digital motor feedback for a position actuator
DE3634730A1 (de) 1986-10-11 1988-04-21 Klaus Huegler Arbeitszylinder, insbesondere pneumatikzylinder fuer komponenten von handlingautomaten
US4901073A (en) 1986-12-04 1990-02-13 Regent Of The University Of California Encoder for measuring the absolute position of moving elements
JPH01502530A (ja) * 1987-03-06 1989-08-31 レニショウ パブリック リミテッド カンパニー 位置決定装置
JPS63280435A (ja) 1987-05-12 1988-11-17 Nikon Corp ウエハのプリアライメント装置
DE3868714D1 (de) 1987-06-22 1992-04-09 Parker Hannifin Corp Einrichtung zum erfassen der position und zugehoerige hin- und hergehende kolbenstange.
US4972061A (en) 1987-12-17 1990-11-20 Duley Walter W Laser surface treatment
GB8802054D0 (en) 1988-01-29 1988-02-24 Baugh J J Method of marking object using laser beam & method & device for use in reading bar code
DE3818044A1 (de) 1988-05-27 1989-11-30 Christoph Dipl Phys Kuehne Praezisions-messeinrichtung fuer grosse verschiebungen
KR900702328A (ko) 1988-07-12 1990-12-06 후루노 기요까따 로타리 엔코더
US4922077A (en) 1989-01-31 1990-05-01 Raytheon Company Method of laser marking metal packages
DE3910873A1 (de) 1989-04-04 1990-10-18 Stahl R Foerdertech Gmbh Positionsmessvorrichtung fuer kran- und elektrohaengebahnen
DE3914739A1 (de) * 1989-05-05 1990-11-08 Heidenhain Gmbh Dr Johannes Inkrementale positionsmesseinrichtung mit referenzmarken
CH683798A5 (fr) 1990-12-10 1994-05-13 Tesa Sa Capteur de position pour un appareil de mesure de grandeurs linéaires ou angulaires.
IT1245008B (it) * 1991-01-25 1994-09-13 Lamsweerde Edoardo Van Elemento graduato per lettura ottica a riflessione e procedimento per la sua fabbricazione
US5279044A (en) * 1991-03-12 1994-01-18 U.S. Philips Corporation Measuring device for determining an absolute position of a movable element and scale graduation element suitable for use in such a measuring device
JPH0599650A (ja) * 1991-10-09 1993-04-23 Komatsu Ltd 位置検出装置
US5239177A (en) 1991-12-06 1993-08-24 Hughes Aircraft Company Angular position and rotational velocity detection using "perfect words"
FI91325C (fi) 1992-04-07 1994-06-10 Partek Cargotec Oy Paikka-asteikko ja optinen lukuanturi tämän paikka-asteikon lukemiseksi
DE4217612A1 (de) * 1992-05-27 1993-12-02 Linde Ag Oberflächenschutzschicht sowie Verfahren zur Herstellung derselben
NL9201059A (nl) * 1992-06-15 1994-01-03 Bootsman Holding Bv Positiedetectiesysteem.
DE4303975A1 (de) * 1993-02-11 1994-08-18 Heidenhain Gmbh Dr Johannes Teilungsträger
AU4503293A (en) * 1993-07-02 1995-01-24 Partek Cargotec Oy A hydraulic, pneumatic or another similar cylinder
BE1007404A3 (nl) * 1993-08-09 1995-06-06 Agfa Gevaert Nv Encoder element.
US5371598A (en) 1993-10-07 1994-12-06 Motorola, Inc. Optical displacement sensor and method for sensing linear displacements in a shock absorber
DE4428590C2 (de) * 1994-08-12 1996-06-20 Heidenhain Gmbh Dr Johannes Positionsmeßeinrichtung
GB9502534D0 (en) * 1995-02-09 1995-03-29 R D P Electronics Limited Sensing means
DE19532246A1 (de) * 1995-09-01 1997-03-06 Heidenhain Gmbh Dr Johannes Vorrichtung zur Filterung von Oberwellen-Signalanteilen
DE19616707A1 (de) * 1996-04-26 1997-10-30 Heidenhain Gmbh Dr Johannes Lichtelektrische Positionsmeßeinrichtung
US6147342A (en) * 1998-06-02 2000-11-14 Caterpillar Inc. Encoding system for determining the position of a cylinder rod along a path of movement

Also Published As

Publication number Publication date
US6452158B1 (en) 2002-09-17
EP1426737B1 (de) 2010-11-03
EP0947805B1 (de) 2008-05-07
JPH11320457A (ja) 1999-11-24
EP0947805A3 (de) 1999-12-01
CA2585151A1 (en) 1999-10-02
ATE487115T1 (de) 2010-11-15
CA2267806A1 (en) 1999-10-02
ATE394649T1 (de) 2008-05-15
GB9907301D0 (en) 1999-05-26
CA2585151C (en) 2008-03-18
EP1426737A2 (de) 2004-06-09
GB9807020D0 (en) 1998-06-03
ES2303728T3 (es) 2008-08-16
EP0947805A2 (de) 1999-10-06
GB2335980B (en) 2002-10-02
GB2335980A (en) 1999-10-06
EP1426737A3 (de) 2004-12-15
CA2267806C (en) 2011-01-25
DE69938631D1 (de) 2008-06-19

Similar Documents

Publication Publication Date Title
DE69942916D1 (de) Positionsbestimmungsvorrichtung für ein bewegliches mechanisches Teil und Markierungsverfahren dafür
ATE337736T1 (de) Äusserliche fixierung mit identifikationsmarke
DE69909997D1 (de) Individualisierter fingerabdruckabtaster
PT1304646E (pt) Processo para medir estruturas numa impressao digital com um sensor linear
DE69838924D1 (de) Zusammensetzung für die Laser-Markierung
BR9602842A (pt) Composição de matriz polimérica apropriada para marcação por laser
ATE313797T1 (de) Biochip mit einer mehrzahl von bereichen zur molekularen erkennung, und dazu geeignete auslesevorrichtung
DE69815622D1 (de) Positiv arbeitendes photoempfindliches Aufzeichnungsmaterial für Infrarotlaser
DE69828568D1 (de) Kontaktlose Messvorrichtung für Oberflächenrauheit
BR9907388B1 (pt) marcaÇço para lentes de contato.
DE69218286D1 (de) Steuervorrichtung für Laserdiode
ATE197284T1 (de) Übertragungsvorrichtung, insbesondere für fussgänger, zwischen zwei nacheinander in reihe angeordneten, förderungselementen, und fördervorrichtung mit solcher vorrichtung ausgestattet
ATA199297A (de) Kühlvorrichtung für einen laserkristall
DE69937179D1 (de) Optische Abtasteinrichtung, Kodeleser und Strichkodeleser mit erhöhtem Freiheitsgrad zur Positionierung von optischen Bauteilen
DE59811173D1 (de) Strichplatte und optische Einrichtung mit einer beleuchtbaren Strichplatte
DE69428414D1 (de) Laserbeschriftungseinrichtung
DE68900286D1 (de) Schmieroel fuer zugkraftantriebe.
DE69833991D1 (de) Reflektionsbildleser mit Vorlagepositionierblatt
DE69425319D1 (de) OPTISCHE VORRICHTUNG FüR KODELESER
DE69913136D1 (de) Identifikationsdokument mit einer bedruckung in reduziertem masstab
ES2192547T3 (es) Elemento de carcasa con apoyo de un elemento de engranaje.
DE69804230D1 (de) Verarbeitungsfreie flachdruckplatte für laser bebilderung
DE69320641D1 (de) Antriebsrolle für X-Y-Plotter
BR0102206A (pt) Dispositivo para fixar um elemento de vedação em uma posição predeterminada
FR2777352B1 (fr) Procede d'inspection de defaut sur une pellicule translucide