MX347288B - Post-procesamiento de multi-toques rápidos. - Google Patents

Post-procesamiento de multi-toques rápidos.

Info

Publication number
MX347288B
MX347288B MX2016000132A MX2016000132A MX347288B MX 347288 B MX347288 B MX 347288B MX 2016000132 A MX2016000132 A MX 2016000132A MX 2016000132 A MX2016000132 A MX 2016000132A MX 347288 B MX347288 B MX 347288B
Authority
MX
Mexico
Prior art keywords
touch
touch points
interpolation
procedure
coarse
Prior art date
Application number
MX2016000132A
Other languages
English (en)
Other versions
MX2016000132A (es
Inventor
Leigh Darren
Original Assignee
Tactual Labs Co
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 Tactual Labs Co filed Critical Tactual Labs Co
Publication of MX2016000132A publication Critical patent/MX2016000132A/es
Publication of MX347288B publication Critical patent/MX347288B/es

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
    • G06F3/0416—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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • 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
    • 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
    • G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
    • G06F3/04186—Touch location disambiguation
    • 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
    • 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
    • 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
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • 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
    • G06F2203/04104—Multi-touch detection in digitiser, i.e. details about the simultaneous detection of a plurality of touching locations, e.g. multiple fingers or pen and finger
    • 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
    • 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
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

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)
  • User Interface Of Digital Computer (AREA)

Abstract

En un dispositivo de baja latencia sensible al tacto, un post-procesamiento se lleva a cabo para convertir un mapa bidimensional de intensidades de señal en eventos de contacto utilizables. Cuatro de estos procedimientos de post-procesamiento se describen: aplanamiento de campo, detección de punto de contacto, interpolación y coincidencia de punto de contacto entre tramas. El procedimiento de aplanamiento de campo resta un desplazamiento para eliminar la diafonía entre filas y columnas, y compensa las diferencias de amplitud entre combinaciones particulares de fila/columna debido a la atenuación. El procedimiento de detección de punto de contacto calcula los puntos de contacto gruesos mediante la búsqueda de máximos locales en la señal aplanada. El procedimiento de interpolación calcula los puntos de contacto finos de los puntos de contacto gruesos. En una modalidad, tal interpolación se realiza mediante el ajuste de los puntos de contacto gruesos a un paraboloide. El procedimiento de coincidencia de trama hace coincidir con los puntos de contacto calculados entre sí a través de tramas.
MX2016000132A 2013-07-12 2014-03-17 Post-procesamiento de multi-toques rápidos. MX347288B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361845892P 2013-07-12 2013-07-12
US14/069,609 US9158411B2 (en) 2013-07-12 2013-11-01 Fast multi-touch post processing
PCT/US2014/030784 WO2015005956A1 (en) 2013-07-12 2014-03-17 Fast multi-touch post processing

Publications (2)

Publication Number Publication Date
MX2016000132A MX2016000132A (es) 2016-03-01
MX347288B true MX347288B (es) 2017-04-17

Family

ID=52276703

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016000132A MX347288B (es) 2013-07-12 2014-03-17 Post-procesamiento de multi-toques rápidos.

Country Status (12)

Country Link
US (2) US9158411B2 (es)
EP (1) EP3019936A4 (es)
JP (2) JP6222758B2 (es)
KR (1) KR20160042867A (es)
CN (1) CN105378611B (es)
AU (1) AU2014287777A1 (es)
CA (1) CA2917054A1 (es)
HK (1) HK1218964A1 (es)
IL (2) IL243306B (es)
MX (1) MX347288B (es)
SG (1) SG11201510795SA (es)
WO (1) WO2015005956A1 (es)

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Also Published As

Publication number Publication date
AU2014287777A1 (en) 2016-01-28
IL243306A0 (en) 2016-02-29
US9529476B2 (en) 2016-12-27
SG11201510795SA (en) 2016-01-28
MX2016000132A (es) 2016-03-01
JP2016528609A (ja) 2016-09-15
JP2018014118A (ja) 2018-01-25
IL243306B (en) 2019-09-26
HK1218964A1 (zh) 2017-03-17
CN105378611B (zh) 2019-03-08
JP6253043B1 (ja) 2017-12-27
IL268954A (en) 2019-10-31
US20150015497A1 (en) 2015-01-15
US9158411B2 (en) 2015-10-13
KR20160042867A (ko) 2016-04-20
EP3019936A4 (en) 2017-03-15
US20160041691A1 (en) 2016-02-11
CA2917054A1 (en) 2015-01-15
CN105378611A (zh) 2016-03-02
JP6222758B2 (ja) 2017-11-01
IL268954B (en) 2021-02-28
WO2015005956A1 (en) 2015-01-15
EP3019936A1 (en) 2016-05-18

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