CN100418104C - 表面声波变换器装置以及具有该装置的识别系统 - Google Patents

表面声波变换器装置以及具有该装置的识别系统 Download PDF

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Publication number
CN100418104C
CN100418104C CNB998164844A CN99816484A CN100418104C CN 100418104 C CN100418104 C CN 100418104C CN B998164844 A CNB998164844 A CN B998164844A CN 99816484 A CN99816484 A CN 99816484A CN 100418104 C CN100418104 C CN 100418104C
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CN
China
Prior art keywords
signal
transducer
surface wave
convertor device
dispersive
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
CNB998164844A
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English (en)
Chinese (zh)
Other versions
CN1339138A (zh
Inventor
Z·亚内利
M·科斯拉
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Nanotron Gesellschaft fuer Mikrotechnik mbH
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Nanotron Gesellschaft fuer Mikrotechnik mbH
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Publication of CN1339138A publication Critical patent/CN1339138A/zh
Application granted granted Critical
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Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6406—Filters characterised by a particular frequency characteristic
    • 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
    • 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14555—Chirped transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H03H9/44—Frequency dependent delay lines, e.g. dispersive delay lines
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6406—Filters characterised by a particular frequency characteristic
    • H03H9/6416—SAW matched filters, e.g. surface acoustic wave compressors, chirped or coded surface acoustic wave filters
    • H03H9/642—SAW transducers details for remote interrogation systems, e.g. surface acoustic wave transducers details for ID-tags
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/73—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for taking measurements, e.g. using sensing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • Burglar Alarm Systems (AREA)
  • Road Signs Or Road Markings (AREA)
  • Amplifiers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
CNB998164844A 1999-03-15 1999-04-01 表面声波变换器装置以及具有该装置的识别系统 Expired - Fee Related CN100418104C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19911369.6 1999-03-15
DE19911369A DE19911369C2 (de) 1999-03-15 1999-03-15 Oberflächen-Wellen-Wandler-Einrichtung sowie Identifikationssystem hiermit

Publications (2)

Publication Number Publication Date
CN1339138A CN1339138A (zh) 2002-03-06
CN100418104C true CN100418104C (zh) 2008-09-10

Family

ID=7900957

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998164844A Expired - Fee Related CN100418104C (zh) 1999-03-15 1999-04-01 表面声波变换器装置以及具有该装置的识别系统

Country Status (10)

Country Link
US (1) US6788204B1 (US07585860-20090908-C00162.png)
EP (2) EP1411463A2 (US07585860-20090908-C00162.png)
JP (1) JP4061026B2 (US07585860-20090908-C00162.png)
KR (1) KR20020006523A (US07585860-20090908-C00162.png)
CN (1) CN100418104C (US07585860-20090908-C00162.png)
AT (1) ATE256318T1 (US07585860-20090908-C00162.png)
AU (1) AU3419899A (US07585860-20090908-C00162.png)
DE (2) DE19911369C2 (US07585860-20090908-C00162.png)
DK (1) DK1163632T3 (US07585860-20090908-C00162.png)
WO (1) WO2000055806A1 (US07585860-20090908-C00162.png)

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JP4007932B2 (ja) * 2002-03-19 2007-11-14 株式会社タキオン マイクロ波送電法、マイクロ波受電装置及びｉｄタグシステム
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US10852169B2 (en) * 2014-09-21 2020-12-01 Transus Instruments Pty Ltd Ultrasonic flowmeter and method of controlling an ultrasonic flowmeter by simultaneously driving a pair of transducers without correlation
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Also Published As

Publication number Publication date
DK1163632T3 (da) 2004-04-13
EP1163632A1 (de) 2001-12-19
DE19911369C2 (de) 2003-04-03
CN1339138A (zh) 2002-03-06
ATE256318T1 (de) 2003-12-15
WO2000055806A1 (de) 2000-09-21
DE59908041D1 (de) 2004-01-22
AU3419899A (en) 2000-10-04
EP1163632B1 (de) 2003-12-10
DE19911369A1 (de) 2000-09-21
EP1411463A2 (de) 2004-04-21
KR20020006523A (ko) 2002-01-19
JP2002539743A (ja) 2002-11-19
JP4061026B2 (ja) 2008-03-12
US6788204B1 (en) 2004-09-07

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Granted publication date: 20080910

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