CA2341907A1 - Method and system for measuring the distance from a piezoelectric element - Google Patents

Method and system for measuring the distance from a piezoelectric element Download PDF

Info

Publication number
CA2341907A1
CA2341907A1 CA002341907A CA2341907A CA2341907A1 CA 2341907 A1 CA2341907 A1 CA 2341907A1 CA 002341907 A CA002341907 A CA 002341907A CA 2341907 A CA2341907 A CA 2341907A CA 2341907 A1 CA2341907 A1 CA 2341907A1
Authority
CA
Canada
Prior art keywords
piezoelectric substance
acoustic
pulse
electromagnetic
piezoelectric
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.)
Abandoned
Application number
CA002341907A
Other languages
English (en)
French (fr)
Inventor
Amit Antebi
Alon Atsmon
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.)
Individual
Original Assignee
COMSENSE TECHNOLOGIES Ltd
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 COMSENSE TECHNOLOGIES Ltd filed Critical COMSENSE TECHNOLOGIES Ltd
Publication of CA2341907A1 publication Critical patent/CA2341907A1/en
Abandoned legal-status Critical Current

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
    • G06F3/0433—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/16—Systems for determining distance or velocity not using reflection or reradiation using difference in transit time between electrical and acoustic signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/30—Determining absolute distances from a plurality of spaced points of known location

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Toys (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
CA002341907A 1998-08-27 1999-08-27 Method and system for measuring the distance from a piezoelectric element Abandoned CA2341907A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9820398P 1998-08-27 1998-08-27
US60/098,203 1998-08-27
PCT/IL1999/000470 WO2000013039A2 (en) 1998-08-27 1999-08-27 Method and system for measuring the distance from a piezoelectric element

Publications (1)

Publication Number Publication Date
CA2341907A1 true CA2341907A1 (en) 2000-03-09

Family

ID=22267970

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002341907A Abandoned CA2341907A1 (en) 1998-08-27 1999-08-27 Method and system for measuring the distance from a piezoelectric element

Country Status (5)

Country Link
EP (1) EP1108224A2 (ja)
JP (1) JP2002525591A (ja)
AU (1) AU5441899A (ja)
CA (1) CA2341907A1 (ja)
WO (1) WO2000013039A2 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004535861A (ja) 2001-06-05 2004-12-02 バーネフ リミテッド 出産モニタリングシステム
EP1504330B1 (en) * 2002-04-15 2006-08-30 Epos Technologies Limited Method and system for obtaining positioning data
AU2006225986B2 (en) 2005-03-23 2011-09-01 Qualcomm Incorporated Method and system for digital pen assembly
NZ580288A (en) 2007-03-14 2012-07-27 Epos Dev Ltd A MEMS microphone including a case, a MEMS membrane, and a mesh covering
CA2683824A1 (en) 2007-04-19 2008-10-30 Epos Development Ltd. Voice and position localization
JP5224723B2 (ja) * 2007-05-18 2013-07-03 三菱電機特機システム株式会社 マイクロ波検出システムおよびマイクロ波検出方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4935907A (en) * 1988-02-22 1990-06-19 Friedman Mark B Electronic homing system
CA2149213A1 (en) * 1992-11-17 1994-05-26 Thomas Debuisser Method and device for capturing and processing graphical information
US5646907A (en) * 1995-08-09 1997-07-08 The United States Of America As Represented By The Secretary Of The Navy Method and system for detecting objects at or below the water's surface

Also Published As

Publication number Publication date
EP1108224A2 (en) 2001-06-20
WO2000013039A3 (en) 2000-06-08
JP2002525591A (ja) 2002-08-13
AU5441899A (en) 2000-03-21
WO2000013039A2 (en) 2000-03-09

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Legal Events

Date Code Title Description
FZDE Discontinued