ZA847910B - Surface acoustic wave passive transponder having acoustic reflectors - Google Patents
Surface acoustic wave passive transponder having acoustic reflectorsInfo
- Publication number
- ZA847910B ZA847910B ZA847910A ZA847910A ZA847910B ZA 847910 B ZA847910 B ZA 847910B ZA 847910 A ZA847910 A ZA 847910A ZA 847910 A ZA847910 A ZA 847910A ZA 847910 B ZA847910 B ZA 847910B
- Authority
- ZA
- South Africa
- Prior art keywords
- passive transponder
- reflectors
- wave passive
- acoustic
- acoustic wave
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/36—Devices for manipulating acoustic surface 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
- H03H9/30—Time-delay networks
- H03H9/42—Time-delay networks using surface acoustic waves
-
- 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)
- Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Toxicology (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08425497A GB2165424B (en) | 1984-10-09 | 1984-10-09 | Surface acoustic wave passive transponder |
DE19843438051 DE3438051A1 (en) | 1984-10-09 | 1984-10-17 | PASSIVE TRANSPONDER HAVING ACOUSTIC REFLECTORS ON ACOUSTIC SURFACE WAVES |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA847910B true ZA847910B (en) | 1985-04-10 |
Family
ID=25825725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA847910A ZA847910B (en) | 1984-10-09 | 1984-10-09 | Surface acoustic wave passive transponder having acoustic reflectors |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS61104281A (en) |
AU (1) | AU565454B2 (en) |
CA (1) | CA1228911A (en) |
DE (1) | DE3438051A1 (en) |
GB (1) | GB2165424B (en) |
ZA (1) | ZA847910B (en) |
Cited By (3)
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 (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01221692A (en) * | 1988-02-29 | 1989-09-05 | Matsushita Electric Works Ltd | Ultrasonic distance measuring instrument |
FR2630236A1 (en) * | 1988-04-14 | 1989-10-20 | Massiera Louis | RADAR TYPE DETECTION AND IDENTIFICATION CARD FOR INTERACTIVE DIALOGUE |
NZ231251A (en) * | 1988-11-04 | 1993-03-26 | Cosmo Holdings Pty Ltd | Encoding surface-acoustic-wave transponder |
EP0415063A3 (en) * | 1989-08-28 | 1993-12-15 | Gte Prod Corp | A multiplexed surface acoustical wave apparatus |
JPH03188388A (en) * | 1989-12-19 | 1991-08-16 | Mitsubishi Heavy Ind Ltd | Position locator |
ATE135836T1 (en) * | 1992-01-03 | 1996-04-15 | Siemens Ag | PASSIVE SURFACE WAVE SENSOR THAT CAN BE INTERMEDIATELY WIRELESSLY |
DE4310610A1 (en) * | 1993-03-31 | 1994-10-06 | Siemens Ag | Target braking system for vehicles |
JPH07174845A (en) * | 1993-12-17 | 1995-07-14 | Omron Corp | Code responding method, core responder, and code responding system using the code responder |
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 |
DE19817813C1 (en) * | 1998-04-21 | 1999-07-08 | Deutsch Zentr Luft & Raumfahrt | Motor driven suction appliance for wood processing |
DE19911369C2 (en) | 1999-03-15 | 2003-04-03 | Nanotron Ges Fuer Mikrotechnik | Surface-wave converter device and identification system herewith |
DE10016721C2 (en) * | 2000-04-04 | 2002-03-14 | Siemens Ag | Surface wave element with multiple tracks for the propagation of surface acoustic waves |
KR20060121906A (en) * | 2003-10-08 | 2006-11-29 | 알에프 소 콤포넌츠 인코포레이티드 | A single phase unidirectional surface acoustic wave transducer and improved reflectors |
US7855564B2 (en) * | 2008-02-14 | 2010-12-21 | Delaware Capital Formation, Inc. | Acoustic wave device physical parameter sensor |
DE102008036224A1 (en) | 2008-08-02 | 2010-02-04 | Schaeffler Kg | Bearing component i.e. outer ring, of roller bearing, has marking comprising coding and queryable surface acoustic wave element, where surface acoustic wave element comprises surface acoustic wave carrier |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3273146A (en) * | 1964-08-07 | 1966-09-13 | Gen Electric | Object identifying apparatus |
GB1292380A (en) * | 1969-04-02 | 1972-10-11 | Unisearch Ltd | Electronic surveillance systems |
US3706904A (en) * | 1970-06-10 | 1972-12-19 | Hewlett Packard Co | Sweep hold-off circuit |
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 | ||
US3886504A (en) * | 1974-05-20 | 1975-05-27 | Texas Instruments Inc | Acoustic surface wave resonator devices |
FR2278200A1 (en) * | 1974-07-12 | 1976-02-06 | Thomson Csf | ELECTROMECHANICAL DEVICE WITH ELASTIC SURFACE NAILS |
US3961293A (en) * | 1975-02-03 | 1976-06-01 | Texas Instruments Incorporated | Multi-resonant surface wave resonator |
US4059831A (en) * | 1975-10-06 | 1977-11-22 | Northwestern University | Passive transponders using acoustic surface wave devices |
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 |
-
1984
- 1984-10-08 AU AU34001/84A patent/AU565454B2/en not_active Ceased
- 1984-10-09 ZA ZA847910A patent/ZA847910B/en unknown
- 1984-10-09 GB GB08425497A patent/GB2165424B/en not_active Expired
- 1984-10-10 CA CA000465010A patent/CA1228911A/en not_active Expired
- 1984-10-17 DE DE19843438051 patent/DE3438051A1/en active Granted
- 1984-10-26 JP JP59225650A patent/JPS61104281A/en active Granted
Cited By (5)
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 |
---|---|
GB2165424B (en) | 1988-07-13 |
JPS61104281A (en) | 1986-05-22 |
DE3438051A1 (en) | 1986-04-24 |
AU565454B2 (en) | 1987-09-17 |
GB8425497D0 (en) | 1984-11-14 |
JPH0321876B2 (en) | 1991-03-25 |
DE3438051C2 (en) | 1988-12-22 |
AU3400184A (en) | 1986-04-17 |
CA1228911A (en) | 1987-11-03 |
GB2165424A (en) | 1986-04-09 |
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