FI841812A - Apparat foer optisk bestaemning av ett foeremaols position. - Google Patents

Apparat foer optisk bestaemning av ett foeremaols position. Download PDF

Info

Publication number
FI841812A
FI841812A FI841812A FI841812A FI841812A FI 841812 A FI841812 A FI 841812A FI 841812 A FI841812 A FI 841812A FI 841812 A FI841812 A FI 841812A FI 841812 A FI841812 A FI 841812A
Authority
FI
Finland
Prior art keywords
target zone
detector means
shadows
foeremaols
bestaemning
Prior art date
Application number
FI841812A
Other languages
English (en)
Finnish (fi)
Other versions
FI841812A0 (fi
Inventor
James L Griffin
Original Assignee
Illinois Tool Works
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 Illinois Tool Works filed Critical Illinois Tool Works
Publication of FI841812A0 publication Critical patent/FI841812A0/fi
Publication of FI841812A publication Critical patent/FI841812A/fi

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0423—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 using sweeping light beams, e.g. using rotating or vibrating mirror

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Body Structure For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Golf Clubs (AREA)
  • Eye Examination Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Wire Bonding (AREA)
  • Glass Compositions (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Lasers (AREA)
FI841812A 1983-05-09 1984-05-07 Apparat foer optisk bestaemning av ett foeremaols position. FI841812A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/492,859 US4553842A (en) 1983-05-09 1983-05-09 Two dimensional optical position indicating apparatus

Publications (2)

Publication Number Publication Date
FI841812A0 FI841812A0 (fi) 1984-05-07
FI841812A true FI841812A (fi) 1984-11-10

Family

ID=23957900

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841812A FI841812A (fi) 1983-05-09 1984-05-07 Apparat foer optisk bestaemning av ett foeremaols position.

Country Status (12)

Country Link
US (1) US4553842A (de)
EP (1) EP0125068B1 (de)
JP (1) JPS59211128A (de)
KR (1) KR850002339A (de)
AT (1) ATE48325T1 (de)
CA (1) CA1239205A (de)
DE (1) DE3480615D1 (de)
DK (1) DK230284A (de)
ES (1) ES531681A0 (de)
FI (1) FI841812A (de)
NO (1) NO841823L (de)
PT (1) PT78535B (de)

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US7399954B2 (en) * 2005-08-16 2008-07-15 Avago Technologies Ecbu Ip Pte Ltd System and method for an optical navigation device configured to generate navigation information through an optically transparent layer and to have skating functionality
US20070132742A1 (en) * 2005-12-08 2007-06-14 Deng-Peng Chen Method and apparatus employing optical angle detectors adjacent an optical input area
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Also Published As

Publication number Publication date
EP0125068A2 (de) 1984-11-14
FI841812A0 (fi) 1984-05-07
EP0125068A3 (en) 1985-08-21
ATE48325T1 (de) 1989-12-15
ES8507268A1 (es) 1985-08-16
KR850002339A (ko) 1985-05-10
JPS59211128A (ja) 1984-11-29
NO841823L (no) 1984-11-12
CA1239205A (en) 1988-07-12
DK230284A (da) 1984-11-10
ES531681A0 (es) 1985-08-16
PT78535B (en) 1986-05-12
US4553842A (en) 1985-11-19
PT78535A (en) 1984-06-01
DE3480615D1 (de) 1990-01-04
DK230284D0 (da) 1984-05-09
EP0125068B1 (de) 1989-11-29

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Legal Events

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Owner name: ILLINOIS TOOL WORKS INC.