BRPI0918817A2 - sensor de coordenadas, dispositivo eletrônico, dispositivo de exibição, unidade de recepção de luz - Google Patents

sensor de coordenadas, dispositivo eletrônico, dispositivo de exibição, unidade de recepção de luz

Info

Publication number
BRPI0918817A2
BRPI0918817A2 BRPI0918817A BRPI0918817A BRPI0918817A2 BR PI0918817 A2 BRPI0918817 A2 BR PI0918817A2 BR PI0918817 A BRPI0918817 A BR PI0918817A BR PI0918817 A BRPI0918817 A BR PI0918817A BR PI0918817 A2 BRPI0918817 A2 BR PI0918817A2
Authority
BR
Brazil
Prior art keywords
light receiving
receiving unit
display device
electronic device
coordinate sensor
Prior art date
Application number
BRPI0918817A
Other languages
English (en)
Inventor
Hiroshi Hamada
Kengo Takahama
Kohichi Oda
Mikihiro Noma
Masakazu Wada
Norikazu Hohshi
Shinichi Miyazaki
Yukio Mizuno
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BRPI0918817A2 publication Critical patent/BRPI0918817A2/pt

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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • 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
    • G06F3/0421—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; CALCULATING OR 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)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Position Input By Displaying (AREA)
  • Liquid Crystal (AREA)
BRPI0918817A 2008-08-29 2009-05-29 sensor de coordenadas, dispositivo eletrônico, dispositivo de exibição, unidade de recepção de luz BRPI0918817A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008222872 2008-08-29
JP2009026658 2009-02-06
PCT/JP2009/059898 WO2010024008A1 (ja) 2008-08-29 2009-05-29 座標センサ、電子機器、表示装置、受光ユニット

Publications (1)

Publication Number Publication Date
BRPI0918817A2 true BRPI0918817A2 (pt) 2015-12-01

Family

ID=41721185

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0918817A BRPI0918817A2 (pt) 2008-08-29 2009-05-29 sensor de coordenadas, dispositivo eletrônico, dispositivo de exibição, unidade de recepção de luz

Country Status (7)

Country Link
US (1) US20110157097A1 (pt)
EP (1) EP2336859A4 (pt)
JP (1) JP5101702B2 (pt)
CN (1) CN102138118B (pt)
BR (1) BRPI0918817A2 (pt)
RU (1) RU2491606C2 (pt)
WO (1) WO2010024008A1 (pt)

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EP2336859A4 (en) 2011-08-31
JP5101702B2 (ja) 2012-12-19
CN102138118B (zh) 2013-07-24
CN102138118A (zh) 2011-07-27
US20110157097A1 (en) 2011-06-30
EP2336859A1 (en) 2011-06-22
WO2010024008A1 (ja) 2010-03-04
JPWO2010024008A1 (ja) 2012-01-26
RU2491606C2 (ru) 2013-08-27

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