DE69734614T2 - System und Verfahren zur Positionsbestimmung auf einer Oberfläche - Google Patents

System und Verfahren zur Positionsbestimmung auf einer Oberfläche Download PDF

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Publication number
DE69734614T2
DE69734614T2 DE69734614T DE69734614T DE69734614T2 DE 69734614 T2 DE69734614 T2 DE 69734614T2 DE 69734614 T DE69734614 T DE 69734614T DE 69734614 T DE69734614 T DE 69734614T DE 69734614 T2 DE69734614 T2 DE 69734614T2
Authority
DE
Germany
Prior art keywords
signal
conductive
pen
electrical contacts
measurement
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 - Lifetime
Application number
DE69734614T
Other languages
German (de)
English (en)
Other versions
DE69734614D1 (de
Inventor
Mark Flowers
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.)
Leapfrog Enterprises Inc
Original Assignee
Leapfrog Enterprises 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 Enterprises Inc filed Critical Leapfrog Enterprises Inc
Publication of DE69734614D1 publication Critical patent/DE69734614D1/de
Application granted granted Critical
Publication of DE69734614T2 publication Critical patent/DE69734614T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G06F3/041—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 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
    • G06F3/045—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 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
    • G06F3/0416—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 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
    • G06F3/044—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)
DE69734614T 1996-11-21 1997-11-11 System und Verfahren zur Positionsbestimmung auf einer Oberfläche Expired - Lifetime DE69734614T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/754,310 US5877458A (en) 1996-02-15 1996-11-21 Surface position location system and method
US754310 1996-11-21

Publications (2)

Publication Number Publication Date
DE69734614D1 DE69734614D1 (de) 2005-12-15
DE69734614T2 true DE69734614T2 (de) 2006-08-10

Family

ID=25034243

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69734614T Expired - Lifetime DE69734614T2 (de) 1996-11-21 1997-11-11 System und Verfahren zur Positionsbestimmung auf einer Oberfläche

Country Status (5)

Country Link
US (1) US5877458A (enExample)
EP (2) EP0948782A4 (enExample)
JP (2) JP2001504614A (enExample)
DE (1) DE69734614T2 (enExample)
WO (1) WO1998022921A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013114152B4 (de) 2013-09-04 2024-11-28 Lg Display Co., Ltd. Positionsdetektionsverfahren, Positionsdetektionsvorrichtung, Antennenvorrichtung und Anzeigevorrichtung

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013114152B4 (de) 2013-09-04 2024-11-28 Lg Display Co., Ltd. Positionsdetektionsverfahren, Positionsdetektionsvorrichtung, Antennenvorrichtung und Anzeigevorrichtung

Also Published As

Publication number Publication date
HK1060636A1 (en) 2004-08-13
WO1998022921A1 (en) 1998-05-28
DE69734614D1 (de) 2005-12-15
EP1369771A3 (en) 2003-12-17
JP3394531B2 (ja) 2003-04-07
JP2003036136A (ja) 2003-02-07
EP0948782A1 (en) 1999-10-13
EP1369771A2 (en) 2003-12-10
US5877458A (en) 1999-03-02
JP2001504614A (ja) 2001-04-03
EP0948782A4 (en) 2000-07-26
EP1369771B1 (en) 2005-11-09

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