WO2000013039A3 - 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
WO2000013039A3
WO2000013039A3 PCT/IL1999/000470 IL9900470W WO0013039A3 WO 2000013039 A3 WO2000013039 A3 WO 2000013039A3 IL 9900470 W IL9900470 W IL 9900470W WO 0013039 A3 WO0013039 A3 WO 0013039A3
Authority
WO
WIPO (PCT)
Prior art keywords
distance
pulse
acoustic
piezoelectric substance
piezoelectric
Prior art date
Application number
PCT/IL1999/000470
Other languages
French (fr)
Other versions
WO2000013039A2 (en
Inventor
Amit Antebi
Alon Atsmon
Original Assignee
Comsense Technologies Ltd
Amit Antebi
Alon Atsmon
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, Amit Antebi, Alon Atsmon filed Critical Comsense Technologies Ltd
Priority to CA002341907A priority Critical patent/CA2341907A1/en
Priority to EP99940445A priority patent/EP1108224A2/en
Priority to AU54418/99A priority patent/AU5441899A/en
Priority to JP2000571082A priority patent/JP2002525591A/en
Priority to US09/806,618 priority patent/US7383297B1/en
Priority to JP2000575224A priority patent/JP2002527926A/en
Priority to AU59968/99A priority patent/AU5996899A/en
Priority to CA002345736A priority patent/CA2345736A1/en
Priority to PCT/IL1999/000521 priority patent/WO2000021203A1/en
Priority to EP99970221A priority patent/EP1121763A1/en
Priority to JP2000575071A priority patent/JP2002527012A/en
Priority to US09/806,789 priority patent/US7334735B1/en
Priority to EP99970188A priority patent/EP1116155A2/en
Priority to AU59972/99A priority patent/AU5997299A/en
Priority to PCT/IL1999/000525 priority patent/WO2000021020A2/en
Priority to CA002345745A priority patent/CA2345745A1/en
Priority to AU24557/00A priority patent/AU2455700A/en
Priority to EP99968002A priority patent/EP1192520A2/en
Priority to US09/831,935 priority patent/US7260221B1/en
Priority to PCT/IB1999/002110 priority patent/WO2000029920A2/en
Priority to CA002350761A priority patent/CA2350761A1/en
Priority to JP2000582865A priority patent/JP2003531505A/en
Publication of WO2000013039A2 publication Critical patent/WO2000013039A2/en
Priority to US09/570,399 priority patent/US6607136B1/en
Publication of WO2000013039A3 publication Critical patent/WO2000013039A3/en
Priority to US10/618,962 priority patent/US7706838B2/en
Priority to US11/339,275 priority patent/US7480692B2/en
Priority to US12/007,441 priority patent/US8544753B2/en
Priority to US12/079,000 priority patent/US20100030838A1/en
Priority to US12/272,828 priority patent/US7941480B2/en
Priority to US12/752,181 priority patent/US8078136B2/en
Priority to US13/083,643 priority patent/US8935367B2/en
Priority to US13/316,710 priority patent/US8509680B2/en
Priority to US13/964,208 priority patent/US20130332355A1/en
Priority to US14/033,579 priority patent/US9361444B2/en
Priority to US14/176,278 priority patent/US8843057B2/en
Priority to US14/492,030 priority patent/US20150012441A1/en

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)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (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)

Abstract

A method and system for measuring the distance from a piezoelectric substance (10) by transmitting an electromagnetic pulse (14) to the piezoelectric substance so as to generate an acoustic pulse (15) in response thereto. The acoustic pulse is sensed by an acoustic sensor (12) displaced from the piezoelectric substance by an unknown distance, and a time interval between initiation of the electromagnetic pulse and receipt of the acoustic pulse is measured. The distance between the piezoelectric substance and the acoustic sensor is computed by multiplying the measured time interval by the speed of sound, which is known. Upon striking the piezoelectric surface against a surface a modified echo characteristic of the acoustic pulse may be detected. This allows operation of one of a plurality of switches to be detected. By using multiple sensors, the spatial location of the switch can be computed and this allows the specific switch to be identified in a computer keyboard adapted for use with a computer but not physically connected thereto.
PCT/IL1999/000470 1998-08-27 1999-08-27 Method and system for measuring the distance from a piezoelectric element WO2000013039A2 (en)

Priority Applications (35)

Application Number Priority Date Filing Date Title
CA002341907A CA2341907A1 (en) 1998-08-27 1999-08-27 Method and system for measuring the distance from a piezoelectric element
EP99940445A EP1108224A2 (en) 1998-08-27 1999-08-27 Method and system for measuring the distance from a piezoelectric element
AU54418/99A AU5441899A (en) 1998-08-27 1999-08-27 Method and system for measuring the distance from a piezoelectric element
JP2000571082A JP2002525591A (en) 1998-08-27 1999-08-27 Method and system for measuring distance from a piezoelectric element
US09/806,618 US7383297B1 (en) 1998-10-02 1999-10-01 Method to use acoustic signals for computer communications
JP2000575224A JP2002527926A (en) 1998-10-02 1999-10-01 How to use acoustic signals for computer communication
AU59968/99A AU5996899A (en) 1998-10-02 1999-10-01 A method to use acoustic signals for computer communications
CA002345736A CA2345736A1 (en) 1998-10-02 1999-10-01 A method to use acoustic signals for computer communications
PCT/IL1999/000521 WO2000021203A1 (en) 1998-10-02 1999-10-01 A method to use acoustic signals for computer communications
EP99970221A EP1121763A1 (en) 1998-10-02 1999-10-01 A method to use acoustic signals for computer communications
JP2000575071A JP2002527012A (en) 1998-10-02 1999-10-04 Card for interaction with computer
US09/806,789 US7334735B1 (en) 1998-10-02 1999-10-04 Card for interaction with a computer
EP99970188A EP1116155A2 (en) 1998-10-02 1999-10-04 Card for interaction with a computer
AU59972/99A AU5997299A (en) 1998-10-02 1999-10-04 Card for interaction with a computer
PCT/IL1999/000525 WO2000021020A2 (en) 1998-10-02 1999-10-04 Card for interaction with a computer
CA002345745A CA2345745A1 (en) 1998-10-02 1999-10-04 Card for interaction with a computer
JP2000582865A JP2003531505A (en) 1998-11-16 1999-11-16 Authentication method for personal communicator
AU24557/00A AU2455700A (en) 1998-11-16 1999-11-16 Personal communicator authentication
EP99968002A EP1192520A2 (en) 1998-11-16 1999-11-16 Personal communicator authentication
US09/831,935 US7260221B1 (en) 1998-11-16 1999-11-16 Personal communicator authentication
PCT/IB1999/002110 WO2000029920A2 (en) 1998-11-16 1999-11-16 Personal communicator authentication
CA002350761A CA2350761A1 (en) 1998-11-16 1999-11-16 Personal communicator authentication
US09/570,399 US6607136B1 (en) 1998-09-16 2000-05-12 Physical presence digital authentication system
US10/618,962 US7706838B2 (en) 1998-09-16 2003-07-14 Physical presence digital authentication system
US11/339,275 US7480692B2 (en) 1998-10-02 2006-01-25 Computer communications using acoustic signals
US12/007,441 US8544753B2 (en) 1998-10-02 2008-01-10 Card for interaction with a computer
US12/079,000 US20100030838A1 (en) 1998-08-27 2008-04-09 Method to use acoustic signals for computer communications
US12/272,828 US7941480B2 (en) 1998-10-02 2008-11-18 Computer communications using acoustic signals
US12/752,181 US8078136B2 (en) 1998-09-16 2010-04-01 Physical presence digital authentication system
US13/083,643 US8935367B2 (en) 1998-10-02 2011-04-11 Electronic device and method of configuring thereof
US13/316,710 US8509680B2 (en) 1998-09-16 2011-12-12 Physical presence digital authentication system
US13/964,208 US20130332355A1 (en) 1998-09-16 2013-08-12 Physical presence digital authentication system
US14/033,579 US9361444B2 (en) 1998-10-02 2013-09-23 Card for interaction with a computer
US14/176,278 US8843057B2 (en) 1998-09-16 2014-02-10 Physical presence digital authentication system
US14/492,030 US20150012441A1 (en) 1998-09-16 2014-09-21 Physical presence digital authentication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US9820398P 1998-08-27 1998-08-27
US60/098,203 1998-08-27

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
PCT/IL1999/000506 Continuation-In-Part WO2000015316A2 (en) 1998-08-27 1999-09-16 Interactive toys
PCT/IL1999/000521 Continuation-In-Part WO2000021203A1 (en) 1998-08-27 1999-10-01 A method to use acoustic signals for computer communications

Related Child Applications (10)

Application Number Title Priority Date Filing Date
PCT/IL1998/000450 Continuation-In-Part WO2000001456A1 (en) 1998-07-06 1998-09-16 The control of toys and devices by sounds
PCT/IL1999/000506 Continuation-In-Part WO2000015316A2 (en) 1998-08-27 1999-09-16 Interactive toys
US09/806,618 Continuation-In-Part US7383297B1 (en) 1998-10-02 1999-10-01 Method to use acoustic signals for computer communications
PCT/IL1999/000521 Continuation-In-Part WO2000021203A1 (en) 1998-08-27 1999-10-01 A method to use acoustic signals for computer communications
US09/806,789 Continuation-In-Part US7334735B1 (en) 1998-10-02 1999-10-04 Card for interaction with a computer
PCT/IL1999/000525 Continuation-In-Part WO2000021020A2 (en) 1998-09-16 1999-10-04 Card for interaction with a computer
US80661801A Continuation-In-Part 1998-08-27 2001-10-09
US80678902A Continuation-In-Part 1998-10-02 2002-01-22
US10/618,962 Continuation-In-Part US7706838B2 (en) 1998-09-16 2003-07-14 Physical presence digital authentication system
US11/339,275 Continuation-In-Part US7480692B2 (en) 1998-10-02 2006-01-25 Computer communications using acoustic signals

Publications (2)

Publication Number Publication Date
WO2000013039A2 WO2000013039A2 (en) 2000-03-09
WO2000013039A3 true WO2000013039A3 (en) 2000-06-08

Family

ID=22267970

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1999/000470 WO2000013039A2 (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 (en)
JP (1) JP2002525591A (en)
AU (1) AU5441899A (en)
CA (1) CA2341907A1 (en)
WO (1) WO2000013039A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8861312B2 (en) 2007-03-14 2014-10-14 Qualcomm Incorporated MEMS microphone
US8963890B2 (en) 2005-03-23 2015-02-24 Qualcomm Incorporated Method and system for digital pen assembly

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002309239A1 (en) 2001-06-05 2002-12-16 Barnev Ltd. Probe anchor
AU2003219506B2 (en) 2002-04-15 2009-02-05 Qualcomm Incorporated Method and system for obtaining positioning data
JP5520812B2 (en) * 2007-04-19 2014-06-11 クアルコム，インコーポレイテッド Sound and position measurement
JP5224723B2 (en) * 2007-05-18 2013-07-03 三菱電機特機システム株式会社 Microwave detection system and microwave detection method

Citations (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
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
US5717168A (en) * 1992-11-17 1998-02-10 Lectra Systemes Method and device for capturing and processing graphical information

Patent Citations (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
US5717168A (en) * 1992-11-17 1998-02-10 Lectra Systemes 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8963890B2 (en) 2005-03-23 2015-02-24 Qualcomm Incorporated Method and system for digital pen assembly
US8861312B2 (en) 2007-03-14 2014-10-14 Qualcomm Incorporated MEMS microphone

Also Published As

Publication number Publication date
WO2000013039A2 (en) 2000-03-09
JP2002525591A (en) 2002-08-13
AU5441899A (en) 2000-03-21
EP1108224A2 (en) 2001-06-20
CA2341907A1 (en) 2000-03-09

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