GB2443744B - Acoustic touch sensor - Google Patents

Acoustic touch sensor

Info

Publication number
GB2443744B
GB2443744B GB0723396A GB0723396A GB2443744B GB 2443744 B GB2443744 B GB 2443744B GB 0723396 A GB0723396 A GB 0723396A GB 0723396 A GB0723396 A GB 0723396A GB 2443744 B GB2443744 B GB 2443744B
Authority
GB
United Kingdom
Prior art keywords
touch sensor
acoustic touch
acoustic
sensor
touch
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 - Fee Related
Application number
GB0723396A
Other versions
GB0723396D0 (en
GB2443744A (en
Inventor
Joel C Kent
Paulo I Gomes
Masahiro Tsumura
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.)
TE Connectivity Corp
Original Assignee
Tyco Electronics Corp
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 Tyco Electronics Corp filed Critical Tyco Electronics Corp
Priority to GB0723396A priority Critical patent/GB2443744B/en
Priority to GB0816653A priority patent/GB2449809A/en
Publication of GB0723396D0 publication Critical patent/GB0723396D0/en
Publication of GB2443744A publication Critical patent/GB2443744A/en
Application granted granted Critical
Publication of GB2443744B publication Critical patent/GB2443744B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F3/043—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)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Laminated Bodies (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB0723396A 2004-04-14 2005-04-13 Acoustic touch sensor Expired - Fee Related GB2443744B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0723396A GB2443744B (en) 2004-04-14 2005-04-13 Acoustic touch sensor
GB0816653A GB2449809A (en) 2004-04-14 2005-04-13 Acoustic touch sensor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US56245504P 2004-04-14 2004-04-14
GB0723396A GB2443744B (en) 2004-04-14 2005-04-13 Acoustic touch sensor
GB0622184A GB2428092B (en) 2004-04-14 2005-04-13 Acoustic touch sensor

Publications (3)

Publication Number Publication Date
GB0723396D0 GB0723396D0 (en) 2008-01-09
GB2443744A GB2443744A (en) 2008-05-14
GB2443744B true GB2443744B (en) 2008-10-29

Family

ID=34966016

Family Applications (3)

Application Number Title Priority Date Filing Date
GB0816653A Withdrawn GB2449809A (en) 2004-04-14 2005-04-13 Acoustic touch sensor
GB0622184A Expired - Fee Related GB2428092B (en) 2004-04-14 2005-04-13 Acoustic touch sensor
GB0723396A Expired - Fee Related GB2443744B (en) 2004-04-14 2005-04-13 Acoustic touch sensor

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB0816653A Withdrawn GB2449809A (en) 2004-04-14 2005-04-13 Acoustic touch sensor
GB0622184A Expired - Fee Related GB2428092B (en) 2004-04-14 2005-04-13 Acoustic touch sensor

Country Status (5)

Country Link
JP (3) JP4989461B2 (en)
CN (2) CN100530057C (en)
AU (1) AU2005236440A1 (en)
GB (3) GB2449809A (en)
WO (1) WO2005103872A2 (en)

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JP4772460B2 (en) * 2005-11-10 2011-09-14 宸鴻光電科技股▲分▼有限公司 Contact control panel wiring structure
EP2017703A1 (en) * 2007-07-09 2009-01-21 Sensitive Object Touch control system and method for localising an excitation
US8743091B2 (en) 2008-07-31 2014-06-03 Apple Inc. Acoustic multi-touch sensor panel
CN102339175A (en) * 2010-07-15 2012-02-01 汉王科技股份有限公司 Touch sensitive locating device and method
KR101815006B1 (en) * 2013-05-13 2018-01-09 삼성전자주식회사 Apparatus and method for sensing bending and touch using optical waveguide
US20150102994A1 (en) * 2013-10-10 2015-04-16 Qualcomm Incorporated System and method for multi-touch gesture detection using ultrasound beamforming
US20150220214A1 (en) * 2014-01-31 2015-08-06 Samsung Display Co., Ltd. Multi-touch acoustic beam sensing apparatus and driving method thereof
KR20160008359A (en) * 2014-07-14 2016-01-22 주식회사 코아로직 Pressure sensor for touch panel
US9952095B1 (en) 2014-09-29 2018-04-24 Apple Inc. Methods and systems for modulation and demodulation of optical signals
US9939974B2 (en) 2014-12-29 2018-04-10 Lg Display Co., Ltd. Contact sensitive display device with thin profile and low external light reflectivity
US11048902B2 (en) 2015-08-20 2021-06-29 Appple Inc. Acoustic imaging system architecture
US11036318B2 (en) 2015-09-30 2021-06-15 Apple Inc. Capacitive touch or proximity detection for crown
US10671222B2 (en) 2015-09-30 2020-06-02 Apple Inc. Touch sensor pattern for edge input detection
US11402950B2 (en) 2016-07-29 2022-08-02 Apple Inc. Methodology and application of acoustic touch detection
JP6795816B2 (en) * 2017-02-24 2020-12-02 ベステル エレクトロニク サナイー ベ ティカレト エー．エス． Acoustic-optical transducers, arrays and methods
US11157115B2 (en) 2017-03-31 2021-10-26 Apple Inc. Composite cover material for sensitivity improvement of ultrasonic touch screens
US10606418B2 (en) 2017-03-31 2020-03-31 Apple Inc. Ultrasonic touch detection on stylus
CN108932084B (en) 2017-05-24 2022-05-27 苹果公司 Systems and methods for acoustic touch and force sensing
US11334196B2 (en) 2017-05-24 2022-05-17 Apple Inc. System and method for acoustic touch and force sensing
US11144158B2 (en) 2017-05-24 2021-10-12 Apple Inc. Differential acoustic touch and force sensing
CN109427975B (en) * 2017-08-23 2021-01-22 京东方科技集团股份有限公司 Flexible substrate, preparation method thereof, bending detection method and flexible display device
US10949030B2 (en) 2017-09-26 2021-03-16 Apple Inc. Shear-poled curved piezoelectric material
US10802651B2 (en) 2018-01-30 2020-10-13 Apple Inc. Ultrasonic touch detection through display
US11366552B2 (en) 2018-02-06 2022-06-21 Apple, Inc. Ultrasonic polarizer
CN112204573B (en) * 2018-06-04 2024-09-20 指纹卡安娜卡敦知识产权有限公司 Acoustic biometric imaging system with acoustic impedance matching opaque mask layer and method of manufacture
US10725573B2 (en) 2018-08-06 2020-07-28 Apple Inc. Annular piezoelectric structure for ultrasonic touch sensing
US11950512B2 (en) 2020-03-23 2024-04-02 Apple Inc. Thin-film acoustic imaging system for imaging through an exterior surface of an electronic device housing
US12000967B2 (en) 2021-03-31 2024-06-04 Apple Inc. Regional gain control for segmented thin-film acoustic imaging systems
US12039800B2 (en) 2021-03-31 2024-07-16 Apple Inc. Signal processing for segmented thin-film acoustic imaging systems for portable electronic devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029853A1 (en) * 1996-12-25 1998-07-09 Elo Touchsystems, Inc. Grating transducer for acoustic touchscreen
US6087599A (en) * 1997-11-24 2000-07-11 The Whitaker Corporation Touch panels having plastic substrates
EP1260937A2 (en) * 2001-05-15 2002-11-27 Fujitsu Limited Touch panel device

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
EP0112889A1 (en) * 1982-07-10 1984-07-11 Syrinx Precision Instuments Limited Data input device
US4564928A (en) * 1982-09-30 1986-01-14 New York Institute Of Technology Graphical data apparatus
JPS6266689A (en) * 1985-09-19 1987-03-26 Sumitomo Bakelite Co Ltd Manufacture of composite sheet with piezoelectric or pyroelectric property
JP3882231B2 (en) * 1996-07-31 2007-02-14 住友電気工業株式会社 Manufacturing method of composite piezoelectric material
US5852433A (en) * 1996-08-09 1998-12-22 Toda; Kohji Elastic wave position-sensing device
JP3959533B2 (en) * 1997-03-03 2007-08-15 耕司 戸田 Ultrasonic touch panel
JP2001014094A (en) * 1999-06-30 2001-01-19 Touch Panel Systems Kk Acoustic contact detecter
JP2001111133A (en) * 1999-10-05 2001-04-20 Masashige Morise Method of manufacturing piezoelectric microactuator
JP2002041232A (en) * 2000-07-21 2002-02-08 Daicel Chem Ind Ltd Acoustic touch sensing device
JP4562294B2 (en) * 2001-01-26 2010-10-13 富士通株式会社 Touch panel device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029853A1 (en) * 1996-12-25 1998-07-09 Elo Touchsystems, Inc. Grating transducer for acoustic touchscreen
US6087599A (en) * 1997-11-24 2000-07-11 The Whitaker Corporation Touch panels having plastic substrates
EP1260937A2 (en) * 2001-05-15 2002-11-27 Fujitsu Limited Touch panel device

Also Published As

Publication number Publication date
GB2428092A (en) 2007-01-17
JP4989461B2 (en) 2012-08-01
GB0723396D0 (en) 2008-01-09
JP2010232664A (en) 2010-10-14
GB0816653D0 (en) 2008-10-22
JP2007533039A (en) 2007-11-15
WO2005103872A2 (en) 2005-11-03
CN101387933A (en) 2009-03-18
JP2011123904A (en) 2011-06-23
GB2443744A (en) 2008-05-14
AU2005236440A1 (en) 2005-11-03
CN100530057C (en) 2009-08-19
GB0622184D0 (en) 2006-12-20
GB2449809A (en) 2008-12-03
CN1977236A (en) 2007-06-06
WO2005103872A3 (en) 2006-04-06
GB2428092B (en) 2008-04-16
CN101387933B (en) 2011-05-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120906 AND 20120912

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130413