NZ231251A - Encoding surface-acoustic-wave transponder - Google Patents

Encoding surface-acoustic-wave transponder

Info

Publication number
NZ231251A
NZ231251A NZ23125189A NZ23125189A NZ231251A NZ 231251 A NZ231251 A NZ 231251A NZ 23125189 A NZ23125189 A NZ 23125189A NZ 23125189 A NZ23125189 A NZ 23125189A NZ 231251 A NZ231251 A NZ 231251A
Authority
NZ
New Zealand
Prior art keywords
acoustic
encoding surface
wave transponder
transponder
wave
Prior art date
Application number
NZ23125189A
Inventor
Richard Vaughan
Original Assignee
Cosmo Holdings Pty 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 Cosmo Holdings Pty Ltd filed Critical Cosmo Holdings Pty Ltd
Publication of NZ231251A publication Critical patent/NZ231251A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/0672—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with resonating marks
    • G06K19/0675—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with resonating marks the resonating marks being of the surface acoustic wave [SAW] kind
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/75—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors
    • G01S13/751—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal
    • G01S13/755—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems using transponders powered from received waves, e.g. using passive transponders, or using passive reflectors wherein the responder or reflector radiates a coded signal using delay lines, e.g. acoustic delay lines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/08—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of resonators or networks using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
NZ23125189A 1988-11-04 1989-11-03 Encoding surface-acoustic-wave transponder NZ231251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ130588 1988-11-04

Publications (1)

Publication Number Publication Date
NZ231251A true NZ231251A (en) 1993-03-26

Family

ID=3773485

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ23125189A NZ231251A (en) 1988-11-04 1989-11-03 Encoding surface-acoustic-wave transponder

Country Status (3)

Country Link
CA (1) CA2002179C (en)
NZ (1) NZ231251A (en)
WO (1) WO1990005409A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6966493B2 (en) 2001-12-18 2005-11-22 Rf Saw Components, Incorporated Surface acoustic wave identification tag having enhanced data content and methods of operation and manufacture thereof
US7264149B2 (en) 2003-09-15 2007-09-04 Hartmann Clinton S SAW identification tag discrimination methods
FR3030154B1 (en) * 2014-12-10 2018-11-23 Sasu Frec'n'sys ELASTIC SURFACE WAVE SENSOR DEVICE WITH STABLE ELECTRICAL RESPONSE
FR3108192A1 (en) * 2020-03-12 2021-09-17 Saint-Gobain Glass France WINDOWS INCLUDING A GLASS ELEMENT CONTAINING A COMMUNICATION DEVICE CONFIGURED TO OPERATE BY RADIO FREQUENCIES AND SURFACE ACOUSTIC WAVES

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870975A (en) * 1974-03-22 1975-03-11 Hazeltine Corp Surface wave transducer with reduced reflection coefficient
JPS5566118A (en) * 1978-11-13 1980-05-19 Matsushita Electric Ind Co Ltd Elastic surface wave device
JPS5937605B2 (en) * 1979-09-25 1984-09-11 富士通株式会社 surface acoustic wave device
JPS56164614A (en) * 1980-05-21 1981-12-17 Japan Radio Co Ltd Elastic surface wave device
US4410823A (en) * 1981-11-13 1983-10-18 Zenith Radio Corporation Surface acoustic wave device employing reflectors
JPS60186109A (en) * 1984-03-06 1985-09-21 Toshiba Corp Surface acoustic wave resonator
US4535265A (en) * 1984-05-17 1985-08-13 Kabushiki Kaisha Toshiba Surface acoustic wave transducer with internal acoustic reflection
AU565454B2 (en) * 1984-10-09 1987-09-17 X-Cyte Inc. Saw transponder
AU564844B2 (en) * 1984-10-09 1987-08-27 X-Cyte Inc. Saw transponder
US4616197A (en) * 1985-12-05 1986-10-07 R. F. Monolithics, Inc. Resonator

Also Published As

Publication number Publication date
CA2002179C (en) 2000-05-23
WO1990005409A1 (en) 1990-05-17
CA2002179A1 (en) 1990-05-04

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