ATE453147T1 - Verfahren für ein kamerabasiertes berührungssystem - Google Patents

Verfahren für ein kamerabasiertes berührungssystem

Info

Publication number
ATE453147T1
ATE453147T1 AT06019268T AT06019268T ATE453147T1 AT E453147 T1 ATE453147 T1 AT E453147T1 AT 06019268 T AT06019268 T AT 06019268T AT 06019268 T AT06019268 T AT 06019268T AT E453147 T1 ATE453147 T1 AT E453147T1
Authority
AT
Austria
Prior art keywords
touch surface
cameras
pointer
touch system
image data
Prior art date
Application number
AT06019268T
Other languages
English (en)
Inventor
Gerald Morrison
David Holmgren
Original Assignee
Smart Technologies Ulc
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=26968623&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE453147(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/610,481 external-priority patent/US6803906B1/en
Application filed by Smart Technologies Ulc filed Critical Smart Technologies Ulc
Application granted granted Critical
Publication of ATE453147T1 publication Critical patent/ATE453147T1/de

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
    • G06F3/0428—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual

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)
  • Studio Devices (AREA)
  • Position Input By Displaying (AREA)
  • User Interface Of Digital Computer (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
AT06019268T 2000-07-05 2001-07-05 Verfahren für ein kamerabasiertes berührungssystem ATE453147T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/610,481 US6803906B1 (en) 2000-07-05 2000-07-05 Passive touch system and method of detecting user input
US29461101P 2001-06-01 2001-06-01

Publications (1)

Publication Number Publication Date
ATE453147T1 true ATE453147T1 (de) 2010-01-15

Family

ID=26968623

Family Applications (3)

Application Number Title Priority Date Filing Date
AT06019269T ATE490501T1 (de) 2000-07-05 2001-07-05 Kamerabasiertes berührungssystem und verfahren
AT01951266T ATE345525T1 (de) 2000-07-05 2001-07-05 Kamerabasiertes beruehrungssystem
AT06019268T ATE453147T1 (de) 2000-07-05 2001-07-05 Verfahren für ein kamerabasiertes berührungssystem

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AT06019269T ATE490501T1 (de) 2000-07-05 2001-07-05 Kamerabasiertes berührungssystem und verfahren
AT01951266T ATE345525T1 (de) 2000-07-05 2001-07-05 Kamerabasiertes beruehrungssystem

Country Status (10)

Country Link
US (2) US7692625B2 (de)
EP (3) EP1739529B1 (de)
JP (1) JP5042437B2 (de)
CN (1) CN1310126C (de)
AT (3) ATE490501T1 (de)
AU (1) AU2001272250A1 (de)
CA (1) CA2412878C (de)
DE (3) DE60143592D1 (de)
ES (4) ES2340945T3 (de)
WO (1) WO2002003316A1 (de)

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US20050077452A1 (en) 2005-04-14
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CA2412878A1 (en) 2002-01-10
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