ATE424580T1 - Verfahren und vorrichtung zur erfassung von eingaben an berührungsflächen - Google Patents

Verfahren und vorrichtung zur erfassung von eingaben an berührungsflächen

Info

Publication number
ATE424580T1
ATE424580T1 AT02016636T AT02016636T ATE424580T1 AT E424580 T1 ATE424580 T1 AT E424580T1 AT 02016636 T AT02016636 T AT 02016636T AT 02016636 T AT02016636 T AT 02016636T AT E424580 T1 ATE424580 T1 AT E424580T1
Authority
AT
Austria
Prior art keywords
touch pad
pad device
receiver
changes
contact surfaces
Prior art date
Application number
AT02016636T
Other languages
English (en)
Inventor
Gerd Reime
Terho Kaikuranta
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE424580T1 publication Critical patent/ATE424580T1/de

Links

Classifications

    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04109—FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location

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)
  • Position Input By Displaying (AREA)
  • Push-Button Switches (AREA)
  • Blast Furnaces (AREA)
  • Length Measuring Devices By Optical Means (AREA)
AT02016636T 2001-08-13 2002-07-25 Verfahren und vorrichtung zur erfassung von eingaben an berührungsflächen ATE424580T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/928,967 US6927384B2 (en) 2001-08-13 2001-08-13 Method and device for detecting touch pad unit

Publications (1)

Publication Number Publication Date
ATE424580T1 true ATE424580T1 (de) 2009-03-15

Family

ID=25457099

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02016636T ATE424580T1 (de) 2001-08-13 2002-07-25 Verfahren und vorrichtung zur erfassung von eingaben an berührungsflächen

Country Status (5)

Country Link
US (1) US6927384B2 (de)
EP (1) EP1288848B1 (de)
CN (1) CN1257481C (de)
AT (1) ATE424580T1 (de)
DE (1) DE60231365D1 (de)

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US6927384B2 (en) 2005-08-09
EP1288848A3 (de) 2004-04-28
EP1288848A2 (de) 2003-03-05
US20030034439A1 (en) 2003-02-20
DE60231365D1 (de) 2009-04-16
CN1257481C (zh) 2006-05-24
EP1288848B1 (de) 2009-03-04
CN1407506A (zh) 2003-04-02

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