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KR20070067774A - Add on motion detector and bluetooth for rfid - Google Patents

Add on motion detector and bluetooth for rfid Download PDF

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Publication number
KR20070067774A
KR20070067774A KR1020050128987A KR20050128987A KR20070067774A KR 20070067774 A KR20070067774 A KR 20070067774A KR 1020050128987 A KR1020050128987 A KR 1020050128987A KR 20050128987 A KR20050128987 A KR 20050128987A KR 20070067774 A KR20070067774 A KR 20070067774A
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KR
South Korea
Prior art keywords
information
moving object
tag
motion sensor
distance
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KR1020050128987A
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Korean (ko)
Inventor
임영석
주병관
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주병관
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Priority to KR1020050128987A priority Critical patent/KR20070067774A/en
Publication of KR20070067774A publication Critical patent/KR20070067774A/en

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    • 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
    • G06K19/07—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 integrated circuit chips
    • G06K19/0723—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 integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/45—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/50—Control of the SSIS exposure

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)

Abstract

An RFID system equipped with a motion sensor and a Bluetooth module is provided to reduce power consumption of an RFID reader by operating the RFID reader if a moving object is detected in a security section through the motion sensor, and recognize and trace the moving object in real-time by transmitting RFID and image information of the moving object to a host through the Bluetooth Ad-hoc network. The motion sensor detects the moving object and a CCD(Charge Coupled Device) camera captures an image of the moving object. The RFID reader collects the RFID information from a tag attached to the moving object after being activated when the moving object is detected in the motion sensor. The RFID information and the image of the moving object are transmitted to the host through the Bluetooth Ad-hoc network by using the Bluetooth module. Distance/location information of the tag is traced by using the distance/image information received from the motion sensor. The distance information is obtained by a change according to a voltage level detected from the tag.

Description

동작센서와 블루투스 모듈을 탑재한 무선전파식별시스템{Add on Motion detector and Bluetooth for RFID}Radio wave identification system with motion sensor and Bluetooth module {Add on Motion detector and Bluetooth for RFID}

도 1은 시스템 구성도       1 is a system configuration diagram

도 2는 무선전파인식(RFID) 동작과정에 대한 절차도       2 is a procedure for the radio wave recognition (RFID) operation process

도 3은 무선전파인식에 의한 정보처리 흐름 및 데이터 분류 순서도3 is a flow chart of information processing flow and data classification by radio wave recognition

본 발명은 무선전파식별시스템(RFID system)의 응용분야로 보안구역 내에서 이동하는 물체를 동작센서로 감지하는 동시에 이동 물체를 CCD 카메라로 촬영하여 영상정보로 저장을 하고, 무선전파식별시스템의 리더를 활성상태로 전환하여 태그(Tag)정보를 인식한다. 인식된 태그(Tag)의 정보데이터와 동작센서가 감지하면서 촬영되는 영상정보를 블루투스 모듈(Bluetooth Module)을 이용한 Ad-Hoc 망을 통하여 호스트 컴퓨터(Host computer)에 전송하여 실시간 위치추적과 영상 정보의 저장이 가능하게 하는 방법에 관한 것이다.The present invention is an application field of a radio frequency identification system (RFID system) to detect an object moving in a security zone with a motion sensor and simultaneously capture the moving object with a CCD camera and store it as image information, and the leader of a radio frequency identification system. Tag is activated to recognize Tag information. Information data of the recognized tag and image information detected by motion sensor are transmitted to host computer through Ad-Hoc network using Bluetooth module to provide real-time location tracking and image information. A method of enabling storage is provided.

본 발명은 동작센서로 초고주파 대역(10.525 GHz)을 이용하여 출입하는 이동 물체의 동작을 감지하고, 동작이 감지되는 동시에 CCD 카메라를 통하여 이동물체에 대한 영상정보를 촬영한다. 동작센서의 동작감지 신호를 RFID Reader의 활성화 상태로 전환하는 신호로 이용하여 동작센서가 동작감지를 이루는 시점에 RFID Reader가 RFID Tag의 정보를 수집하는 시작점으로 사용한다. 이와 같은 과정은 RFID Reader의 불필요한 전파의 방출을 막는다. RFID Tag의 정보와 CCD 카메라로 촬영한 영상정보를 Bluetooth Ad-Hoc Network을 통하여 호스트 컴퓨터(host Computer)에 전송하여 이동물체에 대한 정보 인식과 실시간 위치 추적을 위한 정보데이터로 활용하는 실시간 위치 추적기술이다. The present invention detects the motion of a moving object entering and leaving using an ultra-high frequency band (10.525 GHz) as a motion sensor, and detects the motion and captures image information on the moving object through a CCD camera. The motion detection signal of the motion sensor is used as a signal for switching to the active state of the RFID reader, and is used as a starting point for the RFID reader to collect information of the RFID tag at the time when the motion sensor achieves motion detection. Such a process prevents the unnecessary radio wave emission of the RFID reader. Real-time location tracking technology that transfers RFID tag information and image information taken by CCD camera to host computer through Bluetooth Ad-Hoc Network and uses it as information data for real-time location recognition and information recognition of moving objects to be.

본 발명은 동작센서에서 보안구역에 출입하고자 이동하는 물체를 감지하고 CCD 카메라를 통하여 이동하는 물체에 대한 영상정보를 촬영한다. 감지된 대상 체의 영상정보와 동작센서가 이동물체를 감지하는 동시에 무선전파식별(RFID) 리더(Reader)를 활성화하여 태그(Tag)를 인식하고 수집된 태그(Tag)의 정보를 Bluetooth Ad-Hoc 망을 통하여 호스트 컴퓨터(Host Computer)에 전송한다. 블루투스(Bluetooth) Ad-Hoc 망을 이용하여 소수 그룹형 무선통신망을 구성하여 마스터(Master) 1대와 슬레이브(Slave) 7대로 구성된 최소 네트워크(Network)인 피코넷(Piconet)을 구성한다. 동작센서를 통하여 이동하는 물체의 위치를 예측하고 영상정보를 저장하여 이동하는 물체에 대한 사전정보를 수집한다. 이러한 과정으로 리더(Reader)로부터 수집한 태그(Tag)의 정보와 이동 물체의 실시간 위치 이동 경로에 대한 정보를 수집하여 실시간 위치 추적정보의 신뢰성을 확보한다. The present invention detects the object moving to enter and exit the security zone in the motion sensor and captures the image information about the moving object through the CCD camera. At the same time, the image information and motion sensor of the detected object detects the moving object, activates the RFID reader, recognizes the tag, and collects the collected tag information into the Bluetooth Ad-Hoc. Sends to a host computer through a network. A small group wireless communication network is constructed using a Bluetooth Ad-Hoc network to form a piconet, which is a minimum network composed of one master and seven slaves. The motion sensor predicts the location of the moving object and collects the preliminary information on the moving object by storing the image information. In this process, information of a tag collected from a reader and information about a real-time location movement path of a moving object are collected to secure reliability of real-time location tracking information.

본 발명은 동작센서를 이용하여 이동하는 물체의 이동경로에 대한 정보를 감지하고 무선전파식별(RFID) 리더(Reader)를 활성화하여 불필요한 전자파의 발생을 줄이며, RFID 리더와 호스트 컴퓨터(Host Computer)간의 무선통신구간 확보와 영상정보의 전송으로 무선전파식별시스템 설치 및 확장에 따른 유선통신구간에 필요한 통신장비 및 통신선로의 추가 설치 없이 무선통신이 가능한 범위 내에서 자유롭게 확장 설치가 가능하고 이동하는 물체에 대한 실시간 위치 추적 정보에 대한 신뢰성을 확보한다. 블루투스 Ad-Hoc 네트워크(Bluetooth Ad-Hoc Network) 구성으로 소집단의 무선통신망을 구성하고 최소 단위인 피코넷(Piconet)을 확장한 스캐터넷(Scatternet) 망 구성을 확장함으로써 리더(Reader)의 증설이 간편해지고 리더(Reader) 증설에 따른 추가 장비가 필요하지 않아서 장비 증설에 따른 경비의 절감 효과를 갖고 실시간 위치추적 정보의 신뢰성을 확보하는 기능이 있다.       The present invention detects information on a moving path of a moving object using a motion sensor and activates a radio frequency identification (RFID) reader to reduce the generation of unnecessary electromagnetic waves, and between the RFID reader and the host computer. By securing wireless communication section and transmitting image information, it is possible to freely expand and install it within the range of wireless communication without additional installation of communication equipment and communication line necessary for wired communication section according to installation and expansion of wireless radio identification system. To ensure the reliability of the real-time location tracking information. The reader can be easily expanded by constructing a small group wireless communication network with the Bluetooth Ad-Hoc network and expanding the scatternet network structure that extends the minimum unit of piconet. There is a function to secure the reliability of real-time location tracking information by reducing the cost of equipment expansion because no additional equipment is needed according to the reader extension.

전원 내장형 태그(Tag) 인식과정에서 반복적인 인식으로 태그의 전원을 소비하는 경우를 방지할 수 있다.   It is possible to prevent the power consumption of the tag by repetitive recognition in the process of recognizing a built-in power tag.

Claims (3)

본 발명은 동작센서가 이동하는 물체를 감지하고 CCD 카메라를 통하여 영상정보를 저장하며, 무선전파식별(RFID) 리더(Reader)를 활성화한 후에 태그(Tag)의 정보를 수집하고, 영상정보와 태그의 정보를 탑재한 블루투스 (Bluetooth) 모듈 (module)을 이용하여 데이터 전송하는 구조: 동작센서가 감지한 이동체에 대한 영상정보와 무선전파식별(RFID) 리더(Reader)가 인식한 태그(Tag)정보를 호스트 컴퓨터(host computer)에 무선으로 데이터 전송하는 구조이다.             According to the present invention, a motion sensor detects a moving object, stores image information through a CCD camera, collects tag information after activating an RFID reader, and collects image information and tags. Data transmission using the Bluetooth module loaded with the information: Image information about the moving object detected by the motion sensor and tag information recognized by the RFID reader Is a structure for wirelessly transmitting data to a host computer. 청구항 1에 의해 동작센서가 이동하는 물체를 감지하고 RFID 리더(Reader)를 활성화 상태로 전환하여 태그(Tag)의 정보를 수집하고 태그(Tag)의 위치정보를 동작센서의 감지기능에 의한 거리를 산출하는 구조 : 동작센서가 이동하는 물체를 감지한 후에 무선전파식별(RFID) 리더(Reader)를 활성화하여 리더가 태그(Tag)의 내장 정보를 수집하고 동작센서가 도플러 효과를 이용하여 이동체의 거리를 예측하고 영상정보와 결합하여 태그의 실시간 이동 경로를 추적하고 수집된 태그(Tag)의 정보와 함께 블루투스(Bluetooth) 모듈(module)을 통하여 호스트 컴퓨터(Host computer)로 전송하는 구조이다.          According to claim 1, the motion sensor detects a moving object, switches the RFID reader to an active state, collects information on the tag, and measures the distance of the tag by using the detection function of the motion sensor. Calculation structure: After the motion sensor detects a moving object, it activates the RFID reader, and the reader collects the built-in information of the tag, and the motion sensor uses the Doppler effect to move the distance of the moving object. Is predicted and combined with the image information to track the real-time movement path of the tag and transmitted along with the collected tag information to the host computer through the Bluetooth module (Bluetooth) module. 청구항 2에 의해서 동작센서의 감지거리와 영상정보를 이용하여 이동체 의 실시간 이동경로와 영상정보에 의한 위치 보정으로 리더(Reader)에서 수집되는 태그의 거리정보와 위치를 추적하는 구조 : 동작센서에서 얻어지는 거리정보는 검출 전압레벨에 따라 변화되는 양에 의해서 거리를 예측하고 무선전파식별(RFID) 리더(Reader)에서 수집되는 태그의 정보를 거리측정 및 위치 산출의 데이터로 이용하고 영상정보로 바로잡아 거리측정에 대한 신뢰성을 확보하는 구조이다.           Structure of tracking the distance information and position of the tag collected by the reader by the real-time movement path of the moving object and the position correction by the image information by using the sensing distance and the image information of the motion sensor according to claim 2: The distance information predicts the distance by the amount that changes according to the detected voltage level, and uses the information of the tag collected by the RFID reader as the data for distance measurement and position calculation and corrects the distance with the image information. It is a structure to secure the reliability of the measurement.
KR1020050128987A 2005-12-23 2005-12-23 Add on motion detector and bluetooth for rfid KR20070067774A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080231449A1 (en) * 2007-03-20 2008-09-25 Radiofy Llc Method and apparatus for power management for a radio frequency identification system
CN104700054A (en) * 2013-12-05 2015-06-10 三菱电机株式会社 Dynamic management system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080231449A1 (en) * 2007-03-20 2008-09-25 Radiofy Llc Method and apparatus for power management for a radio frequency identification system
US8305190B2 (en) * 2007-03-20 2012-11-06 Golba Llc Method and apparatus for power management for a radio frequency identification system
US8629764B2 (en) 2007-03-20 2014-01-14 Golba Llc Method and apparatus for power management for a radio frequency identification system
US8810372B2 (en) 2007-03-20 2014-08-19 Golba Llc Method and apparatus for power management for a radio frequency identification system
CN104700054A (en) * 2013-12-05 2015-06-10 三菱电机株式会社 Dynamic management system

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