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    • 2. 发明授权
    • Information access system for accessing information in contactless information storage device, and method therefor
    • 用于访问非接触式信息存储设备中的信息的信息访问系统及其方法
    • US08223000B2
    • 2012-07-17
    • US11822355
    • 2007-07-05
    • Shinichi ShiotsuIsamu YamadaAkira Itasaki
    • Shinichi ShiotsuIsamu YamadaAkira Itasaki
    • H04Q5/22
    • H04B5/02H04B5/0031H04B5/0037H04B5/0056H04B5/0081
    • An information access system includes: a passive contactless information storage device (500) capable of transmitting and receiving signals; a fixed-station information processing device (100) having an information processing unit, and a wireless transmitter for transmitting, in a contactless manner, a command signal for requesting transmission of information stored in the information storage device and supplying power in a contactless manner to the information storage device; and a mobile-station information processing device (200) having an information processing unit, an information presenting unit, a battery, and a wireless receiver for receiving a response signal for response to the command signal, from the information storage device in a contactless manner. While the fixed-station device is supplying power to the information storage device in the contactless manner, the information storage device transmits, in response to the command signal, the response signal to the mobile-station device in the contactless manner.
    • 信息访问系统包括:能够发送和接收信号的无源非接触信息存储设备(500); 具有信息处理单元的固定站信息处理设备(100)和用于以非接触方式发送用于请求发送存储在信息存储设备中的信息并以非接触方式提供电力的命令信号的无线发送器 信息存储装置; 以及具有信息处理单元,信息呈现单元,电池和无线接收器的移动站信息处理设备(200),用于以无接触的方式从信息存储设备接收用于响应于命令信号的响应信号 。 当固定站装置以无接触的方式向信息存储装置供电时,信息存储装置响应于命令信号以无接触方式向移动台装置发送响应信号。
    • 3. 发明申请
    • Information processing apparatus for transmitting and receiving RF signals
    • 用于发送和接收RF信号的信息处理装置
    • US20090303009A1
    • 2009-12-10
    • US12382296
    • 2009-03-12
    • Akira ItasakiIsamu YamadaShinichi ShiotsuSatoshi Inano
    • Akira ItasakiIsamu YamadaShinichi ShiotsuSatoshi Inano
    • H04Q5/22
    • H04Q9/00H04Q2209/47H04Q2209/823H04Q2209/883
    • An information processing apparatus includes: a physical quantity detector unit which transforms a physical quantity into an electric signal and provides a detected value represented by the electric signal; a physical quantity determiner unit which determines whether the detected value is larger than a given threshold value; a timer unit which measures a time period during which it continues to be determined that the detected value is not larger than the given threshold value, in response to the determination that the detected value is not larger than the given threshold value after it is determined that the detected value is larger than the given threshold; a transmitter unit which transmits a request signal for requesting transmission of data, when the time period measured by the timer unit transcends a first given time threshold; and a receiver unit which receives transmitted data which is transmitted in response to the request signal.
    • 信息处理装置包括:物理量检测器单元,其将物理量变换为电信号并提供由电信号表示的检测值; 确定检测值是否大于给定阈值的物理量确定单元; 响应于在确定所述检测值不大于给定阈值的确定之后,测量其继续被确定所述检测值不大于给定阈值的时间段的定时器单元, 检测值大于给定阈值; 当由所述定时器单元测量的时间段超过第一给定时间阈值时,发送用于请求发送数据的请求信号的发送器单元; 以及接收单元,其接收响应于所述请求信号而被发送的发送数据。
    • 4. 发明申请
    • Information access system and active-type contactless information storage device
    • 信息访问系统和主动式非接触式信息存储设备
    • US20060276206A1
    • 2006-12-07
    • US11247333
    • 2005-10-12
    • Shinichi ShiotsuIsamu YamadaSatoshi InanoKouichi YasakiAkira ItasakiAtsushi SakaiMasahiko TakenakaTakanao Ochiai
    • Shinichi ShiotsuIsamu YamadaSatoshi InanoKouichi YasakiAkira ItasakiAtsushi SakaiMasahiko TakenakaTakanao Ochiai
    • H04Q7/20
    • G06K7/0008G06K19/0723
    • An information access system comprises a reader/writer for continually transmitting an ID request signal at a first frequency and being continuously ready to receive an RF signal at a second frequency, and an active contactless information storage device having a receiver for sensing a carrier of an RF signal at the first frequency, and a transmitter for transmitting a response signal at the second frequency when the ID request signal is received. When the receiver senses a carrier of an RF signal at the first frequency in a particular predetermined period, the receiver receives further the ID request signal, and, in response to the ID request signal, the transmitter transmits a response signal at the second frequency carrying an ID of the storage device stored. In the carrier sensing, the controller causes the receiver to be in an active state and the transmitter to be in an inactive state in the predetermined periods. When the receiver attempts to sense a carrier of the RF signal at the first frequency in a particular predetermined period but detects no carrier, the controller controls the receiver and the transmitter to maintain the inactive state during a sleep period between the particular predetermined period and the subsequent predetermined period.
    • 一种信息访问系统,包括:读写器,用于以第一频率连续发送ID请求信号,并且连续准备好接收第二频率的RF信号;以及主动非接触信息存储装置,其具有用于感测 RF信号,以及发送器,用于当接收到ID请求信号时以第二频率发送响应信号。 当接收机在特定预定时间段内以第一频率感测RF信号的载波时,接收机进一步接收ID请求信号,并且响应于ID请求信号,发射机以第二频率载波发送响应信号 存储设备的ID。 在载波侦听中,控制器使接收机处于活动状态,并且发射机在预定时段内处于非活动状态。 当接收机尝试在特定预定周期内以第一频率感测RF信号的载波,但是检测无载波时,控制器控制接收机和发射机在特定预定周期和 随后的预定期间。
    • 6. 发明授权
    • Information access system, reader/writer device and contactless information storage device
    • 信息访问系统,读写器设备和非接触式信息存储设备
    • US08315391B2
    • 2012-11-20
    • US11790735
    • 2007-04-27
    • Satoshi InanoIsamu YamadaShinichi ShiotsuAkira Itasaki
    • Satoshi InanoIsamu YamadaShinichi ShiotsuAkira Itasaki
    • H04L29/06
    • H04L9/0891H04L2209/805
    • In an information access system, a reader/writer device encrypts, with a first encryption key, an information request and a second encryption key to thereby generate first encrypted data, and encrypts the information request with the second encryption key to thereby generate second encrypted data, and transmits cyclically an information request signal that alternately carries the first encrypted data and the second encrypted data. An active contactless information storage device receives the information request signal and decrypts the encrypted data carried by the information request signal with one encryption key stored in its memory. When the second encryption key different from the one encryption key is contained in the decrypted data, the information storage device rewrites the one encryption key with the second encryption key.
    • 在信息访问系统中,读写器装置利用第一加密密钥对信息请求和第二加密密钥进行加密,从而生成第一加密数据,并利用第二加密密钥对信息请求进行加密,从而生成第二加密数据 并循环地发送交替携带第一加密数据和第二加密数据的信息请求信号。 主动非接触式信息存储装置接收信息请求信号,并用存储在其存储器中的一个加密密钥对由信息请求信号承载的加密数据进行解密。 当解密的数据中包含不同于一个加密密钥的第二加密密钥时,信息存储装置用第二加密密钥重写一个加密密钥。
    • 7. 发明授权
    • Information access system and active-type contactless information storage device
    • 信息访问系统和主动式非接触式信息存储设备
    • US08035488B2
    • 2011-10-11
    • US11247333
    • 2005-10-12
    • Shinichi ShiotsuIsamu YamadaSatoshi InanoKouichi YasakiAkira ItasakiAtsushi SakaiMasahiko TakenakaTakanao Ochiai
    • Shinichi ShiotsuIsamu YamadaSatoshi InanoKouichi YasakiAkira ItasakiAtsushi SakaiMasahiko TakenakaTakanao Ochiai
    • H04Q5/22
    • G06K7/0008G06K19/0723
    • An information access system comprises a reader/writer for continually transmitting an ID request signal at a first frequency and being continuously ready to receive an RF signal at a second frequency, and an active contactless information storage device having a receiver for sensing a carrier of an RF signal at the first frequency, and a transmitter for transmitting a response signal at the second frequency when the ID request signal is received. When the receiver senses a carrier of an RF signal at the first frequency in a particular predetermined period, the receiver receives further the ID request signal, and, in response to the ID request signal, the transmitter transmits a response signal at the second frequency carrying an ID of the storage device stored. In the carrier sensing, the controller causes the receiver to be in an active state and the transmitter to be in an inactive state in the predetermined periods. When the receiver attempts to sense a carrier of the RF signal at the first frequency in a particular predetermined period but detects no carrier, the controller controls the receiver and the transmitter to maintain the inactive state during a sleep period between the particular predetermined period and the subsequent predetermined period.
    • 一种信息访问系统,包括:读写器,用于以第一频率连续发送ID请求信号,并且连续准备好接收第二频率的RF信号;以及主动非接触信息存储装置,其具有用于感测 RF信号,以及发送器,用于当接收到ID请求信号时以第二频率发送响应信号。 当接收机在特定预定时间段内以第一频率感测RF信号的载波时,接收机进一步接收ID请求信号,并且响应于ID请求信号,发射机以第二频率载波发送响应信号 存储设备的ID。 在载波侦听中,控制器使接收机处于活动状态,并且发射机在预定时段内处于非活动状态。 当接收机尝试在特定预定周期内以第一频率感测RF信号的载波,但是检测无载波时,控制器控制接收机和发射机在特定预定周期和 随后的预定期间。
    • 8. 发明申请
    • RFID SYSTEM AND RADIO APPARATUS
    • RFID系统和无线电设备
    • US20100245050A1
    • 2010-09-30
    • US12718128
    • 2010-03-05
    • Shinichi SHIOTSUIsamu YAMADAAkira ITASAKI
    • Shinichi SHIOTSUIsamu YAMADAAkira ITASAKI
    • H04Q5/22
    • G01S5/04G01S3/48G01S13/82
    • A radio apparatus capable of being used in an RFID system, the apparatus having a memory that stores identification information of the radio apparatus, a timing generation section that measures time, a receiving section that receives an information-request signal requesting transmission of the identification information of the radio apparatus, and that receives an unmodulated-carrier-wave request signal requesting transmission of an unmodulated carrier wave to be used for positioning the radio apparatus; and a transmission section that transmits a response signal carrying the identification information in the memory in response to receiving of the information-request signal, and that transmits the unmodulated carrier wave in an unmodulated-carrier transmission period determined by time period data stored in the memory in accordance with timing from the timing generation section in response to receiving of the unmodulated-carrier-wave request signal.
    • 一种能够在RFID系统中使用的无线电设备,该设备具有存储无线电设备的识别信息的存储器,测量时间的定时产生部分,接收请求发送识别信息的信息请求信号的接收部分 并且接收请求发送用于定位无线电设备的未调制载波的未调制载波请求信号; 以及发送部,其响应于所述信息请求信号的接收,将携带有所述识别信息的响应信号发送到所述存储器中,并且在由所述存储器中存储的时间段数据确定的未调制载波传输周期中发送未调制载波 响应于接收到未调制载波请求信号,根据来自定时产生部分的定时。
    • 9. 发明申请
    • INFORMATION ACCESS SYSTEM, INFORMATION DEVICE, READER/WRITER AND RECORDING MEDIUM
    • 信息访问系统,信息设备,读取/写入和记录介质
    • US20090153331A1
    • 2009-06-18
    • US12338312
    • 2008-12-18
    • Satoshi INANOIsamu YAMADAShinichi SHIOTSUAkira ITASAKI
    • Satoshi INANOIsamu YAMADAShinichi SHIOTSUAkira ITASAKI
    • G08B13/14
    • G06K7/0008G06K19/0717G06K19/0723
    • An information access system including an information device that is adapted for radio communication with a reader/writer, the information device having a detection data acquisition unit acquiring detection data from a sensor, a detection data storage unit holding the most recent detection data, a first receiving unit detecting the reception of an RF signal, and a first transmission unit transmitting a response signal. The reader/writer is adapted for radio communication with the information device and includes a second transmission unit transmitting the information request signal, a second receiving unit receiving the response signal, an accumulation recording unit recording the received detection data, and a detection data accumulation unit accumulating, in the accumulation recording unit, the most recent detection data, and if other detection data has not been accumulated in the accumulation recording unit, accumulating the other detection data in the accumulation recording unit.
    • 一种信息访问系统,包括适于与读取器/写入器进行无线电通信的信息设备,所述信息设备具有检测数据获取单元,其从传感器获取检测数据,检测数据存储单元保持最近的检测数据,第一 检测RF信号的接收的接收单元,以及发送响应信号的第一发送单元。 读/写器适于与信息设备的无线电通信,并且包括发送信息请求信号的第二传输单元,接收响应信号的第二接收单元,记录接收的检测数据的累积记录单元和检测数据累积单元 在累积记录单元中积累最近的检测数据,并且如果其他检测数据未累积在累积记录单元中,则将累积记录单元中的其他检测数据累积。
    • 10. 发明申请
    • Information access system and active contactless information storage device
    • 信息访问系统和主动非接触式信息存储设备
    • US20080079549A1
    • 2008-04-03
    • US11700216
    • 2007-01-31
    • Isamu YamadaShinichi ShiotsuSatoshi InanoAkira Itasaki
    • Isamu YamadaShinichi ShiotsuSatoshi InanoAkira Itasaki
    • H04Q5/22
    • G06K19/0723G06K7/10237H04W12/02H04W52/0229H04W52/029H04W84/20Y02D70/00Y02D70/166
    • In an information access system, an active contactless information storage device includes: a receiver unit adapted to sense a carrier of an RF signal at a first frequency for detection in a slave mode of operation and to be continuously ready to receive an RF signal at a second frequency different from the first frequency in a master mode of operation, and a transmitter unit for transmitting a response signal at the second frequency in response to reception of an information request signal in the slave mode of operation and for cyclically transmitting an information request signal at the first frequency in a transmission period and then go to an inactive state in a sleep period in the master mode of operation, under the control of the control unit. In the slave mode of operation, the control unit causes the transmitter unit and the receiver unit to go into the master mode of operation, when the receiver unit receives no information request signal in a first period of time longer than a plurality of the predetermined periods.
    • 在信息存取系统中,主动非接触式信息存储装置包括:接收机单元,适于以第一频率感测RF信号的载波,以便在从属操作模式下进行检测,并且可以连续地准备好接收RF信号 在主操作模式下与第一频率不同的第二频率,以及用于响应于从动操作模式下的信息请求信号的接收而以第二频率发送响应信号的发送器单元,以及周期性地发送信息请求信号 在发送期间的第一个频率,然后在控制单元的控制下,在主操作模式的睡眠周期中进入无效状态。 在从属操作模式下,当接收机单元在比多个预定周期长的第一时间段内不接收到信息请求信号时,控制单元使得发射机单元和接收机单元进入主操作模式 。