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TW200504572A - Acoustic device using higher order harmonic piezoelectric element - Google Patents

Acoustic device using higher order harmonic piezoelectric element

Info

Publication number
TW200504572A
TW200504572A TW093105167A TW93105167A TW200504572A TW 200504572 A TW200504572 A TW 200504572A TW 093105167 A TW093105167 A TW 093105167A TW 93105167 A TW93105167 A TW 93105167A TW 200504572 A TW200504572 A TW 200504572A
Authority
TW
Taiwan
Prior art keywords
higher order
piezoelectric element
acoustic device
order harmonic
acoustic
Prior art date
Application number
TW093105167A
Other languages
English (en)
Inventor
Joel C Kent
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 TW200504572A publication Critical patent/TW200504572A/zh

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
    • G06F3/043—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves
    • G06F3/0433—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using propagating acoustic waves in which the acoustic waves are either generated by a movable member and propagated within a surface layer or propagated within a surface layer and captured by a movable member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Position Input By Displaying (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
TW093105167A 2003-02-28 2004-02-27 Acoustic device using higher order harmonic piezoelectric element TW200504572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/377,493 US7000474B2 (en) 2003-02-28 2003-02-28 Acoustic device using higher order harmonic piezoelectric element

Publications (1)

Publication Number Publication Date
TW200504572A true TW200504572A (en) 2005-02-01

Family

ID=32908158

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093105167A TW200504572A (en) 2003-02-28 2004-02-27 Acoustic device using higher order harmonic piezoelectric element

Country Status (6)

Country Link
US (1) US7000474B2 (zh)
EP (1) EP1597663A2 (zh)
JP (1) JP2006524817A (zh)
CN (1) CN100437447C (zh)
TW (1) TW200504572A (zh)
WO (1) WO2004079559A2 (zh)

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TWI680398B (zh) * 2018-09-05 2019-12-21 大陸商業成科技（成都）有限公司 觸控面板及觸控系統

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US9513727B2 (en) 2012-07-18 2016-12-06 Sentons Inc. Touch input surface microphone
US9348468B2 (en) 2013-06-07 2016-05-24 Sentons Inc. Detecting multi-touch inputs
US9524063B2 (en) 2012-07-18 2016-12-20 Sentons Inc. Detection of a number of touch contacts of a multi-touch input
TWI471788B (zh) * 2012-12-14 2015-02-01 禾瑞亞科技股份有限公司 用於量測表面聲波觸控模塊的感應區尺寸的系統、處理裝置、與其量測方法
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US9588552B2 (en) 2013-09-11 2017-03-07 Sentons Inc. Attaching electrical components using non-conductive adhesive
US9459715B1 (en) 2013-09-20 2016-10-04 Sentons Inc. Using spectral control in detecting touch input
US9880671B2 (en) 2013-10-08 2018-01-30 Sentons Inc. Damping vibrational wave reflections
US10048811B2 (en) 2015-09-18 2018-08-14 Sentons Inc. Detecting touch input provided by signal transmitting stylus
US10908741B2 (en) 2016-11-10 2021-02-02 Sentons Inc. Touch input detection along device sidewall
US10296144B2 (en) 2016-12-12 2019-05-21 Sentons Inc. Touch input detection with shared receivers
US10126877B1 (en) 2017-02-01 2018-11-13 Sentons Inc. Update of reference data for touch input detection
US10585522B2 (en) 2017-02-27 2020-03-10 Sentons Inc. Detection of non-touch inputs using a signature
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI680398B (zh) * 2018-09-05 2019-12-21 大陸商業成科技（成都）有限公司 觸控面板及觸控系統

Also Published As

Publication number Publication date
CN1754142A (zh) 2006-03-29
US20040168516A1 (en) 2004-09-02
WO2004079559A3 (en) 2004-12-16
US7000474B2 (en) 2006-02-21
JP2006524817A (ja) 2006-11-02
CN100437447C (zh) 2008-11-26
WO2004079559A2 (en) 2004-09-16
EP1597663A2 (en) 2005-11-23

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