ZA200107799B - Permeability-modulated carrier referencing. - Google Patents
Permeability-modulated carrier referencing. Download PDFInfo
- Publication number
- ZA200107799B ZA200107799B ZA200107799A ZA200107799A ZA200107799B ZA 200107799 B ZA200107799 B ZA 200107799B ZA 200107799 A ZA200107799 A ZA 200107799A ZA 200107799 A ZA200107799 A ZA 200107799A ZA 200107799 B ZA200107799 B ZA 200107799B
- Authority
- ZA
- South Africa
- Prior art keywords
- wire
- loop
- sensor
- leg
- roadway
- Prior art date
Links
- 230000001939 inductive effect Effects 0.000 claims description 131
- 238000000034 method Methods 0.000 claims description 91
- 238000001514 detection method Methods 0.000 claims description 34
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 13
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims 39
- 230000002708 enhancing effect Effects 0.000 claims 4
- 239000002131 composite material Substances 0.000 claims 3
- 238000001914 filtration Methods 0.000 claims 2
- 238000005070 sampling Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002452 interceptive effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
- G01P3/66—Devices characterised by the determination of the time taken to traverse a fixed distance using electric or magnetic means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F11/00—Road engineering aspects of Embedding pads or other sensitive devices in paving or other road surfaces, e.g. traffic detectors, vehicle-operated pressure-sensitive actuators, devices for monitoring atmospheric or road conditions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
- G01V3/101—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Traffic Control Systems (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12566099P | 1999-03-22 | 1999-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200107799B true ZA200107799B (en) | 2002-08-22 |
Family
ID=22420811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200107799A ZA200107799B (en) | 1999-03-22 | 2001-09-21 | Permeability-modulated carrier referencing. |
Country Status (15)
Country | Link |
---|---|
US (3) | US6380868B1 (zh) |
EP (1) | EP1171773A4 (zh) |
JP (1) | JP2002540495A (zh) |
KR (1) | KR20020000790A (zh) |
CN (1) | CN1342267A (zh) |
AU (1) | AU3914500A (zh) |
BR (1) | BR0009183A (zh) |
CA (1) | CA2365394A1 (zh) |
EA (1) | EA200100996A1 (zh) |
IL (1) | IL145199A0 (zh) |
MX (1) | MXPA01009505A (zh) |
NO (1) | NO20014274L (zh) |
NZ (1) | NZ513941A (zh) |
WO (1) | WO2000057198A1 (zh) |
ZA (1) | ZA200107799B (zh) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6611210B2 (en) * | 1996-12-03 | 2003-08-26 | Inductive Signature Technologies, Inc. | Automotive vehicle classification and identification by inductive signature |
KR20020000790A (ko) * | 1999-03-22 | 2002-01-05 | 인덕티브 시그나츄어 테크놀로지스, 인코포레이티드. | 투자율-변조된 반송파 참고 기법 |
DE10046710A1 (de) * | 2000-09-21 | 2002-04-18 | Bundesdruckerei Gmbh | Fälschungs- und Diebstahlsicherungssystem insbesondere für Wert- und Sicherheitsdokumente |
CN1561511A (zh) * | 2001-09-27 | 2005-01-05 | 罗兰 | 感应环检测器 |
US7725348B1 (en) * | 2001-10-17 | 2010-05-25 | United Toll Systems, Inc. | Multilane vehicle information capture system |
US7764197B2 (en) * | 2001-10-17 | 2010-07-27 | United Toll Systems, Inc. | System and synchronization process for inductive loops in a multilane environment |
US7734500B1 (en) | 2001-10-17 | 2010-06-08 | United Toll Systems, Inc. | Multiple RF read zone system |
US6864804B1 (en) * | 2001-10-17 | 2005-03-08 | Jim Allen | Ferromagnetic loop |
US8331621B1 (en) | 2001-10-17 | 2012-12-11 | United Toll Systems, Inc. | Vehicle image capture system |
US7324014B2 (en) * | 2003-03-11 | 2008-01-29 | The Chamberlain Group, Inc. | Inductive loop detector with automatic frequency change |
US6842014B2 (en) * | 2003-04-10 | 2005-01-11 | Delphi Technologies, Inc. | Methods for determining inductance and resistance of an inductor |
US7116248B2 (en) * | 2003-11-20 | 2006-10-03 | Reno A & E | Vehicle detector system with synchronized operation |
US7674994B1 (en) * | 2004-10-21 | 2010-03-09 | Valerio Thomas A | Method and apparatus for sorting metal |
WO2007019066A2 (en) * | 2005-08-04 | 2007-02-15 | Mau-Chung Frank Chang | Phase coherent differential structures |
US7659486B2 (en) * | 2005-10-20 | 2010-02-09 | Valerio Thomas A | Method and apparatus for sorting contaminated glass |
BRPI0617765A2 (pt) * | 2005-10-24 | 2011-08-02 | Thomas A Valerio | aparelho, sistema e processo de classificação de materiais dissimilares |
CA2674503A1 (en) * | 2007-01-05 | 2008-07-17 | Thomas A. Valerio | System and method for sorting dissimilar materials |
AU2008241422B2 (en) * | 2007-04-18 | 2012-05-03 | Thomas A. Valerio | Method and system for sorting and processing recycled materials |
US7952021B2 (en) | 2007-05-03 | 2011-05-31 | United Toll Systems, Inc. | System and method for loop detector installation |
US7786401B2 (en) * | 2008-06-11 | 2010-08-31 | Valerio Thomas A | Method and system for recovering metal from processed recycled materials |
US20100013116A1 (en) * | 2008-07-21 | 2010-01-21 | Blyth Peter C | Method and System for Removing Polychlorinated Biphenyls from Plastics |
WO2010127036A1 (en) * | 2009-04-28 | 2010-11-04 | Mtd America Ltd (Llc) | Apparatus and method for separating materials using air |
WO2011011523A1 (en) * | 2009-07-21 | 2011-01-27 | Velerio Thomas A | Method and system for separating and recovering like-type materials from an electronic waste system |
US8757523B2 (en) * | 2009-07-31 | 2014-06-24 | Thomas Valerio | Method and system for separating and recovering wire and other metal from processed recycled materials |
CA2769755A1 (en) * | 2009-07-31 | 2011-02-03 | Thomas A. Valerio | Method and system for separating and recovering wire and other metal from processed recycled materials |
EP2491865A1 (en) * | 2011-02-24 | 2012-08-29 | Samsung Medison Co., Ltd. | Ultrasound system for providing image indicator |
US8504233B1 (en) * | 2012-04-27 | 2013-08-06 | Google Inc. | Safely navigating on roads through maintaining safe distance from other vehicles |
TWI517079B (zh) | 2013-07-30 | 2016-01-11 | 財團法人工業技術研究院 | 電器辨識裝置、方法及其系統 |
US9208681B2 (en) * | 2014-03-27 | 2015-12-08 | Xerox Corporation | Vehicle wheel and axle sensing method and system |
GB2536440A (en) * | 2015-03-16 | 2016-09-21 | Roke Manor Research | An antenna |
CN106910724B (zh) * | 2016-04-05 | 2020-06-05 | 苏州捷芯威半导体有限公司 | 一种半导体器件 |
KR102658311B1 (ko) * | 2017-02-08 | 2024-04-18 | 삼성전자주식회사 | 스피커를 포함하는 전자 장치 |
GB2564882B (en) * | 2017-07-25 | 2022-04-13 | Red Fox Id Ltd | Apparatus and methods for assessing vehicles straddled between lanes |
Family Cites Families (28)
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US1992214A (en) | 1928-11-12 | 1935-02-26 | Katz David | Traffic detector |
GB948215A (en) * | 1961-02-03 | 1964-01-29 | Ericsson Telefon Ab L M | An arrangement for detecting a vehicle on a roadway |
FR1346415A (fr) * | 1962-11-07 | 1963-12-20 | Cotonniere De Vagney Soc | Procédé de détection à distance de masses métalliques, notamment de voitures automobiles, et dispositif pour son utilisation |
US3641569A (en) | 1970-10-01 | 1972-02-08 | Raytheon Co | Highway vehicle sensor system |
GB1390606A (en) * | 1971-06-02 | 1975-04-16 | Plessey Co Ltd | Vehilce detector systems |
FR2254078B1 (zh) | 1973-12-07 | 1976-10-08 | Automatisme Cie Gle | |
US3873964A (en) | 1974-02-19 | 1975-03-25 | Indicator Controls Corp | Vehicle detection |
US3943339A (en) * | 1974-04-29 | 1976-03-09 | Canoga Controls Corporation | Inductive loop detector system |
US3984764A (en) | 1975-03-03 | 1976-10-05 | Canoga Controls Corporation | Inductive loop structure for detecting the presence of vehicles over a roadway |
US3991485A (en) * | 1975-09-17 | 1976-11-16 | The Singer Company | Driving test range |
GB1531224A (en) * | 1975-10-31 | 1978-11-08 | Ms Instr Ltd | Establishing the instantaneous position of a moving object |
US4276539A (en) | 1978-06-22 | 1981-06-30 | U.S. Philips Corporation | Vehicle detection systems |
US4239415A (en) * | 1978-11-06 | 1980-12-16 | Blikken Wendell A | Method of installing magnetic sensor loops in a multiple lane highway |
US4302746A (en) * | 1980-02-01 | 1981-11-24 | The United States Of America As Represented By The Secretary Of The Navy | Self-powered vehicle detection system |
US4449115A (en) * | 1980-10-15 | 1984-05-15 | Minnesota Mining And Manufacturing Company | Apparatus for detecting ferromagnetic material |
EP0564054B1 (en) | 1989-03-10 | 1997-12-03 | Franz Josef Gebert | Traffic detection cable installation |
AU650973B2 (en) * | 1991-06-17 | 1994-07-07 | Minnesota Mining And Manufacturing Company | Vehicle detector with environmental adaptation |
US5361064A (en) * | 1991-06-17 | 1994-11-01 | Minnesota Mining And Manufacturing Company | Vehicle detector with power main noise compensation |
CA2072900A1 (en) * | 1991-07-12 | 1993-01-13 | Earl B. Hoekman | Vehicle detector with automatic sensitivity adjustment |
FR2693301B1 (fr) * | 1992-07-06 | 1994-08-05 | Est Centre Tech Equip | Dispositif pour detecter une ou plusieurs roues d'un engin mobile roulant. |
US5420507A (en) * | 1992-09-28 | 1995-05-30 | Edward L. Laskowski | Method and apparatus for sensing a target characteristic by measuring both impedance and resonant frequency of a tank circuit |
US5491475A (en) | 1993-03-19 | 1996-02-13 | Honeywell Inc. | Magnetometer vehicle detector |
US5523753A (en) | 1994-09-12 | 1996-06-04 | Minnesota Mining And Manufacturing Company | Vehicle detector system with periodic source filtering |
SE508354C2 (sv) * | 1996-07-05 | 1998-09-28 | Asea Atom Ab | Förfarande och anordning för bestämning av skikttjocklek |
DE19647127C2 (de) | 1996-11-14 | 2000-04-20 | Daimler Chrysler Ag | Verfahren zur automatischen Verkehrsüberwachung mit Staudynamikanalyse |
US6417784B1 (en) * | 1996-12-03 | 2002-07-09 | Inductive Signature | Automotive vehicle classification and identification by inductive signature |
KR20020000790A (ko) * | 1999-03-22 | 2002-01-05 | 인덕티브 시그나츄어 테크놀로지스, 인코포레이티드. | 투자율-변조된 반송파 참고 기법 |
JP2003519849A (ja) * | 2000-01-05 | 2003-06-24 | インダクティブ シグナチュアー テクノロジーズ、 インコーポレイテッド | 誘導性ループ検出器における能動分離のための方法と装置 |
-
2000
- 2000-03-22 KR KR1020017012066A patent/KR20020000790A/ko not_active Application Discontinuation
- 2000-03-22 US US09/532,590 patent/US6380868B1/en not_active Expired - Fee Related
- 2000-03-22 MX MXPA01009505A patent/MXPA01009505A/es unknown
- 2000-03-22 CN CN00804597A patent/CN1342267A/zh active Pending
- 2000-03-22 EP EP00918312A patent/EP1171773A4/en not_active Withdrawn
- 2000-03-22 BR BR0009183-9A patent/BR0009183A/pt not_active IP Right Cessation
- 2000-03-22 AU AU39145/00A patent/AU3914500A/en not_active Abandoned
- 2000-03-22 EA EA200100996A patent/EA200100996A1/ru unknown
- 2000-03-22 NZ NZ513941A patent/NZ513941A/xx not_active Application Discontinuation
- 2000-03-22 IL IL14519900A patent/IL145199A0/xx unknown
- 2000-03-22 WO PCT/US2000/007746 patent/WO2000057198A1/en not_active Application Discontinuation
- 2000-03-22 JP JP2000607020A patent/JP2002540495A/ja active Pending
- 2000-03-22 CA CA002365394A patent/CA2365394A1/en not_active Abandoned
-
2001
- 2001-09-04 NO NO20014274A patent/NO20014274L/no not_active Application Discontinuation
- 2001-09-04 US US09/945,935 patent/US6639521B2/en not_active Expired - Fee Related
- 2001-09-04 US US09/945,934 patent/US6838886B2/en not_active Expired - Fee Related
- 2001-09-21 ZA ZA200107799A patent/ZA200107799B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1342267A (zh) | 2002-03-27 |
BR0009183A (pt) | 2003-03-05 |
EP1171773A4 (en) | 2004-11-10 |
NO20014274D0 (no) | 2001-09-04 |
IL145199A0 (en) | 2002-06-30 |
CA2365394A1 (en) | 2000-09-28 |
JP2002540495A (ja) | 2002-11-26 |
NZ513941A (en) | 2001-09-28 |
US6838886B2 (en) | 2005-01-04 |
US20020018007A1 (en) | 2002-02-14 |
NO20014274L (no) | 2001-10-08 |
US6380868B1 (en) | 2002-04-30 |
US6639521B2 (en) | 2003-10-28 |
WO2000057198A1 (en) | 2000-09-28 |
AU3914500A (en) | 2000-10-09 |
KR20020000790A (ko) | 2002-01-05 |
MXPA01009505A (es) | 2003-08-19 |
EP1171773A1 (en) | 2002-01-16 |
EA200100996A1 (ru) | 2002-06-27 |
US20020018006A1 (en) | 2002-02-14 |
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