KR20080036299A - Rf 센서 시스템 - Google Patents
Rf 센서 시스템 Download PDFInfo
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- KR20080036299A KR20080036299A KR1020060102752A KR20060102752A KR20080036299A KR 20080036299 A KR20080036299 A KR 20080036299A KR 1020060102752 A KR1020060102752 A KR 1020060102752A KR 20060102752 A KR20060102752 A KR 20060102752A KR 20080036299 A KR20080036299 A KR 20080036299A
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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
- H04B5/73—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for taking measurements, e.g. using sensing coils
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- 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
- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
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- 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
- G06K7/10118—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 the sensing being preceded by at least one preliminary step
- G06K7/10128—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 the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
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- 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
- G06K7/10198—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 setting parameters for the interrogator, e.g. programming parameters and operating modes
- G06K7/10207—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 setting parameters for the interrogator, e.g. programming parameters and operating modes parameter settings related to power consumption of the interrogator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Near-Field Transmission Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
Claims (12)
- RF송신단 및 RF수신단을 포함하는 RF 센서 시스템에 있어서,상기 RF수신단에 전원이 공급되면 소정 영역의 전자계가 형성되는 안테나;다수개의 주파수 클럭을 생성하는 발진회로부;상기 RF수신단에 존재하는 신호를 커플링시키는 신호결합부;상기 전자계 영역에서 물체가 이동됨에 따라 상기 커플링된 신호의 변화를 감지하고 감지신호를 생성하는 신호감지부; 및상기 감지신호를 해석하고, 해석 결과에 따라 상기 주파수 클럭을 차별적으로 적용하여 동작되는 제어부를 포함하는 RF 센서 시스템.
- 제1항에 있어서,상기 발진회로부는 제1주파수 클럭 및 상기 제1주파수 클럭보다 낮은 대역의 제2주파수 클럭을 생성하고,상기 제어부는 상기 해석 결과, 상기 커플링된 신호에 변화가 있다고 판단되면 상기 제1주파수 클럭에 의하여 동작되고, 상기 커플링된 신호에 변화가 없다고 판단되면 상기 제2주파수 클럭에 의하여 동작되는 것을 특징으로 하는 RF 센서 시스템.
- 제 1항에 있어서, 상기 신호감지부는상기 커플링된 신호의 기본 임피던스 수치 및 기본 전계 수치 중 하나 이상의 수치 변화를 감지하여 상기 감지신호를 생성하는 것을 특징으로 하는 RF 센서 시스템.
- 제 1항에 있어서, 상기 제어부는상기 해석결과, 상기 커플링된 신호에 변화가 있다고 판단되면 상기 RF송신단을 동작시키고,상기 커플링된 신호에 변화가 없다고 판단되면 상기 RF송신단의 동작을 오프시키는 것을 특징으로 하는 RF 센서 시스템.
- 제 4항에 있어서, 상기 제어부는전원 장치를 제어하여 상기 RF송신단으로 전원이 공급되거나 공급되지 않도록 하는 것을 특징으로 하는 RF 센서 시스템.
- 제 2항에 있어서,상기 제1주파수 클럭은 메가 헤르쯔(MHz) 대역이고,상기 제2주파수 클럭은 킬로 헤르쯔(KHz) 대역인 것을 특징으로 하는 RF 센서 시스템.
- 제 1항에 있어서, 상기 신호감지부는로그 앰프(Log amplifier)를 포함하는 것을 특징으로 하는 RF 센서 시스템.
- 제 1항에 있어서, 상기 제어부는상기 감지신호에 따른 반사계수를 계산함으로써 상기 커플링된 신호의 변화 여부를 판단하는 것을 특징으로 하는 RF 센서 시스템.
- 제 2항에 있어서, 상기 발진회로부는상기 다수개의 주파수 클럭을 각각 생성하는 다수개의 발진회로들을 포함하는 것을 특징으로 하는 RF 센서 시스템.
- 제 1항에 있어서, 상기 제어부는상기 감지신호에 상관없이 상기 RF수신단을 동작모드로 유지시키는 것을 특징으로 하는 RF 센서 시스템.
- 제 3항에 있어서, 상기 제어부는RF 전송파 디텍터(Carrier Detector) 테이블을 구비하고,상기 테이블 수치에 의하여 상기 기본 임피던스 수치 및 상기 기본 전계 수치의 초기 수치를 보정하는 것을 특징으로 하는 RF 센서 시스템.
- 제 1항에 있어서, 상기 RF 센서 시스템은RFID(Radio Frequency IDentification) 시스템 또는 USN(Ubiquitous Sensor Network) 시스템의 리더인 것을 특징으로 하는 RF 센서 시스템.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060102752A KR100828872B1 (ko) | 2006-10-23 | 2006-10-23 | Rf 센서 시스템 |
EP07833009A EP2052352B1 (en) | 2006-10-23 | 2007-09-19 | Rf sensor system and method for operating the same |
US12/375,781 US8103222B2 (en) | 2006-10-23 | 2007-09-19 | RF sensor system and method for operating the same |
PCT/KR2007/004552 WO2008050951A1 (en) | 2006-10-23 | 2007-09-19 | Rf sensor system and method for operating the same |
CN2007800299967A CN101501707B (zh) | 2006-10-23 | 2007-09-19 | 射频传感器系统及用于操作射频传感器系统的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060102752A KR100828872B1 (ko) | 2006-10-23 | 2006-10-23 | Rf 센서 시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080036299A true KR20080036299A (ko) | 2008-04-28 |
KR100828872B1 KR100828872B1 (ko) | 2008-05-09 |
Family
ID=39324716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060102752A KR100828872B1 (ko) | 2006-10-23 | 2006-10-23 | Rf 센서 시스템 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8103222B2 (ko) |
EP (1) | EP2052352B1 (ko) |
KR (1) | KR100828872B1 (ko) |
CN (1) | CN101501707B (ko) |
WO (1) | WO2008050951A1 (ko) |
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CN115373317B (zh) * | 2022-09-02 | 2023-10-24 | 襄阳金美科林农业开发有限公司 | 一种智慧农场控制系统 |
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AU5426298A (en) * | 1996-10-17 | 1998-05-11 | Pinpoint Corporation | Article tracking system |
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FR2808946A1 (fr) * | 2000-05-12 | 2001-11-16 | St Microelectronics Sa | Validation de la presence d'un transpondeur electromagnetique dans le champ d'un lecteur |
EP1413067B1 (en) * | 2001-08-02 | 2006-01-04 | Thomson Licensing | Apparatus and method for detecting ripples caused by multipath propagation and controlling receiving antenna and tuner |
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US7081818B2 (en) | 2003-05-19 | 2006-07-25 | Checkpoint Systems, Inc. | Article identification and tracking using electronic shadows created by RFID tags |
WO2005059808A1 (de) | 2003-12-17 | 2005-06-30 | Siemens Aktiengesellschaft | Schreib-/lesegerät, identifikationssystem mit einem schreib-/lesegerät und mobilen datenspeichern sowie verwendung eines schreib-/lesegeräts |
US7253719B2 (en) * | 2004-04-13 | 2007-08-07 | Impinj, Inc. | Multi-oscillator clock signals |
US7180403B2 (en) | 2004-05-18 | 2007-02-20 | Assa Abloy Identification Technology Group Ab | RFID reader utilizing an analog to digital converter for data acquisition and power monitoring functions |
KR100772013B1 (ko) * | 2004-07-14 | 2007-10-31 | (주)유니콤트레이딩 | 이동하는 물체의 위치 인식 및 추적을 위한 알에프 아이디시스템 및 알에프 태그와 리더 사이의 통신 방법 |
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US8103222B2 (en) | 2012-01-24 |
EP2052352A4 (en) | 2011-04-20 |
EP2052352B1 (en) | 2012-05-30 |
CN101501707A (zh) | 2009-08-05 |
US20090325511A1 (en) | 2009-12-31 |
KR100828872B1 (ko) | 2008-05-09 |
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