ZA847909B - Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads - Google Patents

Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads

Info

Publication number
ZA847909B
ZA847909B ZA847909A ZA847909A ZA847909B ZA 847909 B ZA847909 B ZA 847909B ZA 847909 A ZA847909 A ZA 847909A ZA 847909 A ZA847909 A ZA 847909A ZA 847909 B ZA847909 B ZA 847909B
Authority
ZA
South Africa
Prior art keywords
amplitude
phase
acoustic wave
passive transponder
wave passive
Prior art date
Application number
ZA847909A
Inventor
Skeie Halvor
Original Assignee
X-Cyte, 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25825724&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA847909(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by X-Cyte, Inc. filed Critical X-Cyte, Inc.
Publication of ZA847909B publication Critical patent/ZA847909B/en

Links

Classifications

    • 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
    • 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
    • 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
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/0274—Intra-transducers grating lines
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
ZA847909A 1984-10-09 1984-10-09 Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads ZA847909B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08425498A GB2165411B (en) 1984-10-09 1984-10-09 Surface acoustic wave passive transponder
DE19843438050 DE3438050A1 (en) 1984-10-09 1984-10-17 PASSIVE TRANSPONDER FOR ACOUSTIC SURFACE WAVES HAVING AMPLITUDE AND PHASE MODIFYING DELAY LINKS

Publications (1)

Publication Number Publication Date
ZA847909B true ZA847909B (en) 1985-04-10

Family

ID=25825724

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA847909A ZA847909B (en) 1984-10-09 1984-10-09 Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads

Country Status (6)

Country Link
JP (1) JPH0644039B2 (en)
AU (1) AU564844B2 (en)
CA (1) CA1228912A (en)
DE (1) DE3438050A1 (en)
GB (1) GB2165411B (en)
ZA (1) ZA847909B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5986382A (en) 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
US6208062B1 (en) 1997-08-18 2001-03-27 X-Cyte, Inc. Surface acoustic wave transponder configuration

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU568157B2 (en) * 1984-10-09 1987-12-17 X-Cyte Inc. Compensating for non-linear frequency variation in a system for interrogating a transponder
FR2619225B1 (en) * 1987-08-07 1990-05-04 Tafani Christian REMOTE DETECTION, RECOGNITION AND IDENTIFICATION SYSTEM.
NZ231251A (en) * 1988-11-04 1993-03-26 Cosmo Holdings Pty Ltd Encoding surface-acoustic-wave transponder
DE4215744C2 (en) * 1992-05-13 1997-09-18 Brose Fahrzeugteile Safety device for limiting, controlling or regulating the movement of power-operated parts, in particular parts of a vehicle body
US6701673B1 (en) 1992-05-13 2004-03-09 Brose Fahrzeugteile Gmbh & Co. Kg Openable and closable motor vehicle window
WO1997009596A2 (en) * 1995-09-04 1997-03-13 Siemens Aktiengesellschaft Process and sensor for detecting operational data on moving/rotating parts of a device, especially an electric motor
GB2306821B (en) * 1995-11-03 2000-05-31 Advanced Saw Prod Sa Electro-acoustic device
DE19722180C2 (en) * 1997-05-27 1999-07-01 Siemens Ag Arrangement and method for measuring distance or speed
US6060815A (en) 1997-08-18 2000-05-09 X-Cyte, Inc. Frequency mixing passive transponder
US6114971A (en) 1997-08-18 2000-09-05 X-Cyte, Inc. Frequency hopping spread spectrum passive acoustic wave identification device
DE19911369C2 (en) 1999-03-15 2003-04-03 Nanotron Ges Fuer Mikrotechnik Surface-wave converter device and identification system herewith
GB9911878D0 (en) * 1999-05-22 1999-07-21 Marconi Electronic Syst Ltd Identification tag
JP2006108766A (en) * 2004-09-30 2006-04-20 Fuji Xerox Co Ltd Wireless responder and image forming apparatus
WO2013082665A1 (en) * 2011-12-07 2013-06-13 Monash University Rfid and apparatus and methods therefor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273146A (en) 1964-08-07 1966-09-13 Gen Electric Object identifying apparatus
GB1298381A (en) * 1969-02-26 1972-11-29 Unisearch Ltd Passive labels for use in electronic surveillance systems
US3706094A (en) * 1970-02-26 1972-12-12 Peter Harold Cole Electronic surveillance system
GB1413486A (en) * 1972-04-26 1975-11-12 Marconi Co Ltd Oscillators including piezo electric surface wave delay devices
JPS4953746A (en) * 1972-09-27 1974-05-24
US3845420A (en) * 1973-03-02 1974-10-29 Raytheon Co Surface acoustic wave phase control device
US4058217A (en) * 1973-05-01 1977-11-15 Unisearch Limited Automatic article sorting system
JPS5087357A (en) * 1973-12-05 1975-07-14
FR2278200A1 (en) * 1974-07-12 1976-02-06 Thomson Csf ELECTROMECHANICAL DEVICE WITH ELASTIC SURFACE NAILS
US4096477A (en) * 1975-10-06 1978-06-20 Northwestern University Identification system using coded passive transponders
GB2078042B (en) * 1980-06-13 1984-08-08 Nippon Telegraph & Telephone Surface acoustic wave resonator
JPS5821993A (en) * 1981-07-31 1983-02-09 Japanese National Railways<Jnr> Remote supervisory and controlling device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
US7741956B1 (en) 1996-11-29 2010-06-22 X-Cyte, Inc. Dual mode transmitter-receiver and decoder for RF transponder tags
US5986382A (en) 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6208062B1 (en) 1997-08-18 2001-03-27 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6611224B1 (en) 1997-08-18 2003-08-26 X-Cyte, Inc. Backscatter transponder interrogation device

Also Published As

Publication number Publication date
AU564844B2 (en) 1987-08-27
DE3438050A1 (en) 1986-04-24
JPS61104280A (en) 1986-05-22
CA1228912A (en) 1987-11-03
GB2165411A (en) 1986-04-09
DE3438050C2 (en) 1989-04-27
GB8425498D0 (en) 1984-11-14
GB2165411B (en) 1988-06-02
AU3400284A (en) 1986-04-17
JPH0644039B2 (en) 1994-06-08

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