HK1060636A1 - Surface position location system and method - Google Patents

Surface position location system and method

Info

Publication number
HK1060636A1
HK1060636A1 HK04103648A HK04103648A HK1060636A1 HK 1060636 A1 HK1060636 A1 HK 1060636A1 HK 04103648 A HK04103648 A HK 04103648A HK 04103648 A HK04103648 A HK 04103648A HK 1060636 A1 HK1060636 A1 HK 1060636A1
Authority
HK
Hong Kong
Prior art keywords
surface position
location system
position location
location
Prior art date
Application number
HK04103648A
Other languages
English (en)
Inventor
Mark Flowers
Original Assignee
Leapfrog Entpr Inc
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 Leapfrog Entpr Inc filed Critical Leapfrog Entpr Inc
Publication of HK1060636A1 publication Critical patent/HK1060636A1/xx

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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0444—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single conductive element covering the whole sensing surface, e.g. by sensing the electrical current flowing at the corners
    • 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
    • G06F3/045—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
    • 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0441—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals

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)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
HK04103648A 1996-11-21 2004-05-24 Surface position location system and method HK1060636A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/754,310 US5877458A (en) 1996-02-15 1996-11-21 Surface position location system and method

Publications (1)

Publication Number Publication Date
HK1060636A1 true HK1060636A1 (en) 2004-08-13

Family

ID=25034243

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04103648A HK1060636A1 (en) 1996-11-21 2004-05-24 Surface position location system and method

Country Status (6)

Country Link
US (1) US5877458A (fr)
EP (2) EP1369771B1 (fr)
JP (2) JP2001504614A (fr)
DE (1) DE69734614T2 (fr)
HK (1) HK1060636A1 (fr)
WO (1) WO1998022921A1 (fr)

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Also Published As

Publication number Publication date
EP1369771B1 (fr) 2005-11-09
JP2003036136A (ja) 2003-02-07
EP0948782A4 (fr) 2000-07-26
JP2001504614A (ja) 2001-04-03
DE69734614T2 (de) 2006-08-10
US5877458A (en) 1999-03-02
EP0948782A1 (fr) 1999-10-13
EP1369771A3 (fr) 2003-12-17
JP3394531B2 (ja) 2003-04-07
EP1369771A2 (fr) 2003-12-10
DE69734614D1 (de) 2005-12-15
WO1998022921A1 (fr) 1998-05-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20091111