BR9714435A - Transdutor de grade para telas sensìveis ao toque acústicas - Google Patents

Transdutor de grade para telas sensìveis ao toque acústicas

Info

Publication number
BR9714435A
BR9714435A BR9714435-5A BR9714435A BR9714435A BR 9714435 A BR9714435 A BR 9714435A BR 9714435 A BR9714435 A BR 9714435A BR 9714435 A BR9714435 A BR 9714435A
Authority
BR
Brazil
Prior art keywords
wave
acoustic touch
touch screens
substrate
transducer
Prior art date
Application number
BR9714435-5A
Other languages
English (en)
Other versions
BR9714435B1 (pt
Inventor
Shigeki Kambara
Hiroshi Kaneda
Robert Adler
Joel Kent
Bruce W Maxfield
Masao Takeuchi
Original Assignee
Elo Touchsystems 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 Elo Touchsystems Inc filed Critical Elo Touchsystems Inc
Publication of BR9714435A publication Critical patent/BR9714435A/pt
Publication of BR9714435B1 publication Critical patent/BR9714435B1/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
    • 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
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
    • G06F3/0436—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which generating transducers and detecting transducers are attached to a single acoustic waves transmission substrate

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Position Input By Displaying (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

Patente de Invenção: <B>"TRANSDUTOR DE GRADE PARA TELA SENSìVEIS AO TOQUE ACúSTICAS"<D>. Um dispositivo detector de toque acústico, compreendendo um substrato, tendo uma superfície, e um transdutor de onda acústica (11, 12) efetuando a transdução de uma onda de massa no substrato se propagando através do substrato ao longo de um eixo geométrico intersectando a superfície, no qual a energia de onda de massa é acoplada com uma onda dotada de um modo de onda convertido com energia na superfície e se propagando ao longo da superfícies pelos transdutores de grade (5a, 5b, 8a, 8b).
BRPI9714435-5A 1996-12-25 1997-12-24 dispositivo sensìvel a toque acústico, substrato para um dispositivo sensìvel acústico e processo de detectar o toque sobre um substrato. BR9714435B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP34581296 1996-12-25
PCT/US1997/023909 WO1998029853A1 (en) 1996-12-25 1997-12-24 Grating transducer for acoustic touchscreen

Publications (2)

Publication Number Publication Date
BR9714435A true BR9714435A (pt) 2000-05-02
BR9714435B1 BR9714435B1 (pt) 2010-07-27

Family

ID=18379158

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9714435-5A BR9714435B1 (pt) 1996-12-25 1997-12-24 dispositivo sensìvel a toque acústico, substrato para um dispositivo sensìvel acústico e processo de detectar o toque sobre um substrato.

Country Status (13)

Country Link
US (1) US6091406A (pt)
EP (1) EP0950234B1 (pt)
JP (1) JP3800274B2 (pt)
KR (1) KR100542801B1 (pt)
CN (1) CN1161726C (pt)
AU (1) AU715056B2 (pt)
BR (1) BR9714435B1 (pt)
CA (1) CA2273956C (pt)
DE (1) DE69729317T2 (pt)
HK (1) HK1024772A1 (pt)
IL (1) IL130345A0 (pt)
TW (1) TW490632B (pt)
WO (1) WO1998029853A1 (pt)

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TW490632B (en) 2002-06-11
BR9714435B1 (pt) 2010-07-27
EP0950234B1 (en) 2004-05-26
DE69729317T2 (de) 2005-06-02
CA2273956A1 (en) 1998-07-09
AU715056B2 (en) 2000-01-13
KR100542801B1 (ko) 2006-08-04
EP0950234A1 (en) 1999-10-20
AU5903298A (en) 1998-07-31
DE69729317D1 (de) 2004-07-01
CN1161726C (zh) 2004-08-11
WO1998029853A1 (en) 1998-07-09
HK1024772A1 (en) 2000-10-20
CA2273956C (en) 2002-04-30
KR19980064569A (ko) 1998-10-07
EP0950234A4 (en) 2001-03-14
CN1242096A (zh) 2000-01-19
US6091406A (en) 2000-07-18
IL130345A0 (en) 2000-06-01
JP3800274B2 (ja) 2006-07-26

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