CA1025532A - Indicateur - Google Patents

Indicateur

Info

Publication number
CA1025532A
CA1025532A CA186,797A CA186797A CA1025532A CA 1025532 A CA1025532 A CA 1025532A CA 186797 A CA186797 A CA 186797A CA 1025532 A CA1025532 A CA 1025532A
Authority
CA
Canada
Prior art keywords
digitizing device
digitizing
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
CA186,797A
Other languages
English (en)
Other versions
CA186797S (fr
Inventor
Iain D.G. Macleod
Horst P. Cantor
Stephen Kaneff
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.)
Australian National University
Original Assignee
Australian National University
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 Australian National University filed Critical Australian National University
Application granted granted Critical
Publication of CA1025532A publication Critical patent/CA1025532A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/228—Character recognition characterised by the type of writing of three-dimensional [3D] handwriting, e.g. writing in the air
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA186,797A 1972-11-30 1973-11-27 Indicateur Expired CA1025532A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPB143072 1972-11-30
AUPB394173 1973-07-04

Publications (1)

Publication Number Publication Date
CA1025532A true CA1025532A (fr) 1978-01-31

Family

ID=25642003

Family Applications (1)

Application Number Title Priority Date Filing Date
CA186,797A Expired CA1025532A (fr) 1972-11-30 1973-11-27 Indicateur

Country Status (3)

Country Link
US (1) US3898445A (fr)
CA (1) CA1025532A (fr)
GB (1) GB1449050A (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025192A (en) * 1975-11-25 1977-05-24 Aga Aktiebolag Optical measuring method
US4294543A (en) * 1979-11-13 1981-10-13 Command Control & Communications Corporation Optical system for developing point coordinate information
US4568182A (en) * 1981-12-22 1986-02-04 Summagraphics Corporation Optical system for determining the position of a cursor
US4558313A (en) * 1981-12-31 1985-12-10 International Business Machines Corporation Indicator to data processing interface
FR2551860B1 (fr) * 1983-09-08 1987-05-07 Sciaky Sa Installation pour la determination des coordonnees spatiales d'un point d'une piece, notamment pour le controle d'un outillage tel qu'un outillage de soudage de carrosserie de vehicule automobile
EP0156858A1 (fr) * 1983-09-30 1985-10-09 Regents Of The University Of Minnesota Dispositif de localisation de cible
EP0141964A1 (fr) * 1983-10-25 1985-05-22 JD-Technologie AG Dispositif embarqué à bord d'un objet terrestre mobile pour déterminer ses propres coordonnées et directions
US4652133A (en) * 1985-07-17 1987-03-24 Westinghouse Electric Corp. Vision system with environmental control
US4830489A (en) * 1986-08-20 1989-05-16 Spectra-Physics, Inc. Three dimensional laser beam survey system
FR2630222B1 (fr) * 1988-04-19 1991-04-12 Sfena Dispositif de detection de projectiles
US5099698A (en) * 1989-04-14 1992-03-31 Merck & Co. Electronic readout for a rotameter flow gauge
FR2650904A1 (fr) * 1989-08-11 1991-02-15 Aschheim Raymond Lecteur automatique instantane
US5181181A (en) * 1990-09-27 1993-01-19 Triton Technologies, Inc. Computer apparatus input device for three-dimensional information
WO1992009904A1 (fr) * 1990-11-29 1992-06-11 Vpl Research, Inc. Dispositif de recherche de position absolue
JPH05127809A (ja) * 1991-04-19 1993-05-25 Sharp Corp 三次元空間座標入力装置
CH684026A5 (de) * 1992-06-22 1994-06-30 Mueller J Ag Verfahren zur Messung von relativen Winkeln.
US5248856A (en) * 1992-10-07 1993-09-28 Microfield Graphics, Inc. Code-based, electromagnetic-field-responsive graphic data-acquisition system
US5301005A (en) * 1993-02-10 1994-04-05 Spectra-Physics Laserplane, Inc. Method and apparatus for determining the position of a retroreflective element
US5565686A (en) * 1993-09-07 1996-10-15 Laser Score, Inc. Method and apparatus for detecting the presence and location of objects in a field via scanned optical beams
AU7686494A (en) * 1993-09-07 1995-03-27 Laserscore, Inc. Method and apparatus for detecting the presence and location of an object in a field
US5583323A (en) * 1993-11-05 1996-12-10 Microfield Graphics, Inc. Calibration of graphic data-acquisition tracking system
US5434370A (en) * 1993-11-05 1995-07-18 Microfield Graphics, Inc. Marking system with pen-up/pen-down tracking
US5585605A (en) * 1993-11-05 1996-12-17 Microfield Graphics, Inc. Optical-scanning system employing laser and laser safety control
EP0852732A1 (fr) * 1995-09-21 1998-07-15 Omniplanar, Inc. Procede et appareil mesurant une position et une orientation
US5832139A (en) * 1996-07-31 1998-11-03 Omniplanar, Inc. Method and apparatus for determining degrees of freedom of a camera
US8549966B2 (en) * 2007-10-22 2013-10-08 Formax, Inc. Output conveyor for a food article slicing machine
RU2410722C1 (ru) * 2009-06-08 2011-01-27 Федеральное Государственное Унитарное Предприятие "Государственный Рязанский Приборный Завод" Лазерная система телеориентации с каналом оптической обратной связи (варианты)
CN109031199B (zh) * 2018-06-22 2021-04-16 凌宇科技（北京）有限公司 一种三维定位方法、系统及其装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3457646A (en) * 1966-08-29 1969-07-29 Atomic Energy Commission Laser beam operated x-y table
US3458704A (en) * 1967-08-03 1969-07-29 Philips Corp Angular position measuring device employing optical measurement of critical angle reflection between a reference point and a rotating data point
US3637309A (en) * 1969-03-25 1972-01-25 Harry L Hosterman Noncontact apparatus to determine reference information
US3633010A (en) * 1970-05-04 1972-01-04 Geosystems Inc Computer-aided laser-based measurement system
JPS5414509B1 (fr) * 1971-05-26 1979-06-07

Also Published As

Publication number Publication date
GB1449050A (en) 1976-09-08
US3898445A (en) 1975-08-05

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