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    • 5. 发明授权
    • Communication device, communication method, program and communication system
    • 通信设备,通信方式,程序通信系统
    • US08965278B2
    • 2015-02-24
    • US12624689
    • 2009-11-24
    • Yoshihisa Takayama
    • Yoshihisa Takayama
    • H04B5/00H04W8/22H04B5/02
    • H04B5/0037H04B5/0031H04B5/02H04W4/80H04W8/22Y02D70/00Y02D70/166Y02D70/26
    • A communication device includes: an electromagnetic-wave generating means for outputting an electromagnetic wave; and a transmitting/receiving means for transmitting data by modulating the electromagnetic wave in accordance with data as well as receiving data transmitted from the other device by demodulating the electromagnetic wave outputted by the electromagnetic-wave generating means or the electromagnetic wave outputted by the other device as the other party of communication, wherein the transmitting/receiving means transmits attribute information indicating communication ability of the device itself as well as receives attribute information indicating communication ability of the other device as the data, and the electromagnetic-wave generating means reduces power of the electromagnetic wave to be outputted after receiving the attribute information.
    • 通信装置包括:电磁波产生装置,用于输出电磁波; 以及发送/接收装置,用于通过根据数据调制电磁波来发送数据,以及通过解调由电磁波产生装置输出的电磁波或由另一装置输出的电磁波来接收从另一装置发送的数据 作为通信的另一方,其中发送/接收装置发送指示设备本身的通信能力的属性信息,并且接收指示其他设备的通信能力的属性信息作为数据,并且电磁波发生装置降低功率 接收属性信息后输出的电磁波。
    • 6. 发明授权
    • Communication system, communication apparatus, and communication method
    • 通信系统,通信设备和通信方法
    • US08514688B2
    • 2013-08-20
    • US10538659
    • 2003-12-08
    • Kunihide FujiiTadashi MoritaShigeru ArisawaYoshihisa Takayama
    • Kunihide FujiiTadashi MoritaShigeru ArisawaYoshihisa Takayama
    • H04J9/00H04L12/413
    • H04B5/0056H04B5/0031H04W74/0808
    • An RF (radio frequency) signal is generated at a first communication device and is modulated. A second RF signal provided to the first communication device from the second communication device is demodulated. The second RF signal is detected. The generating is actuated to initiate an active or a passive mode communication, when the detecting does not detect the second RF signal at a level of a first threshold or more, the active mode including a transmission of modulated data at the first communication device and the second communication device, the passive mode providing load modulated communication from the second communication device to the first communication device. When the first communication device receives an indication to start a communication of the active mode from the second communication device, the demodulating receives data at a level of a second threshold or higher, the second threshold being higher than the first threshold.
    • 在第一通信设备处产生RF(射频)信号并被调制。 解调从第二通信设备提供给第一通信设备的第二RF信号。 检测第二RF信号。 当检测不检测到处于第一阈值或更高级别的第二RF信号时,产生被激活以启动主动或被动模式通信,所述活动模式包括在第一通信设备处的调制数据的传输和 第二通信设备,被动模式提供从第二通信设备到第一通信设备的负载调制通信。 当第一通信装置从第二通信装置接收到开始活动模式的通信的指示时,解调以第二阈值或更高的水平接收数据,第二阈值高于第一阈值。
    • 8. 发明申请
    • COMMUNICATION DEVICE, COMMUNICATION METHOD, PROGRAM AND COMMUNICATION SYSTEM
    • 通信设备,通信方法,程序和通信系统
    • US20100130127A1
    • 2010-05-27
    • US12625101
    • 2009-11-24
    • Yoshihisa Takayama
    • Yoshihisa Takayama
    • H04B5/00
    • H04W52/02H04B5/02H04W52/0274Y02D70/166Y02D70/26Y02D70/42
    • A communication device is provided and includes: an electromagnetic-wave generating means for outputting an electromagnetic wave; and a transmitting/receiving means for transmitting data by modulating the electromagnetic wave in accordance with data as well as receiving data transmitted from the other device by demodulating the electromagnetic wave outputted by the electromagnetic-wave generating means or the electromagnetic wave outputted by the other device as the other party of communication, wherein the transmitting/receiving means transmits attribute information indicating communication ability of the device itself as well as receives attribute information indicating communication ability of the other device as the data, and the electromagnetic-wave generating means turns off the output of the electromagnetic wave for a given period of time after the transmission of the data based on the attribute information.
    • 提供一种通信装置,包括:电磁波产生装置,用于输出电磁波; 以及发送/接收装置,用于通过根据数据调制电磁波来发送数据,以及通过解调由电磁波产生装置输出的电磁波或由另一装置输出的电磁波来接收从另一装置发送的数据 作为通信的另一方,其中发送/接收装置发送指示设备本身的通信能力的属性信息,并且接收指示其他设备的通信能力的属性信息作为数据,并且电磁波产生装置关闭 在基于属性信息发送数据之后的给定时间段内的电磁波的输出。
    • 9. 发明申请
    • COMMUNICATION APPARATUS, COMMUNICATION METHOD, AND PROGRAM
    • 通信设备,通信方法和程序
    • US20090147803A1
    • 2009-06-11
    • US11815186
    • 2006-01-27
    • Yoshihisa Takayama
    • Yoshihisa Takayama
    • H04L12/56
    • H04W28/065G06K7/0008G06K7/10029G06K7/10237H04B5/02H04L69/166H04L69/168H04L69/323H04L69/324H04W4/80
    • A communication apparatus capable of using near field communication from various protocols, a communication method for use therewith, and a program for use therewith are provided. NFC communication apparatuses 1 to 3 capsulize an LLC packet of an LLC layer of a data link layer in an MAC packet of an MAC layer, capsulize the MAC packet in a physical layer packet of a physical layer, and transmit and receive the packet. In that case, the maximum length of the LLC packet is limited so as to be smaller than or equal to a length that is determined on the basis of the maximum length of the physical layer packet and the maximum number of MAC packets that can be transmitted continuously from the MAC layer to the LLC layer without making a response. The present invention can be applied to, for example, an IC card system or the like.
    • 提供能够使用各种协议的近场通信的通信装置,与其一起使用的通信方法以及与其一起使用的程序。 NFC通信装置1〜3在MAC层的MAC分组中封装数据链路层的LLC层的LLC分组,对物理层的物理层分组中的MAC分组进行封装,并发送和接收分组。 在这种情况下,LLC分组的最大长度被限制为小于或等于根据物理层分组的最大长度和可以发送的最大MAC分组数确定的长度 连续地从MAC层到LLC层,而不做出响应。 本发明可以应用于例如IC卡系统等。
    • 10. 发明申请
    • Communication Apparatus, Communication Method, and Program
    • 通信设备,通信方法和程序
    • US20080299907A1
    • 2008-12-04
    • US11814974
    • 2006-01-27
    • Yoshihisa Takayama
    • Yoshihisa Takayama
    • H04B7/00
    • H04B5/0031H04B5/0037H04B5/0056H04B5/02H04W8/18H04W88/02
    • A communication apparatus capable of fully exhibiting capabilities that are inherently possessed by the communication apparatus for performing near field communication, a communication method for use therewith, and a program for use therewith an initiator performs near field communication with a target in accordance with are provided. For example, for each of predetermined n+1 types of capabilities possessed by the initiator or the target, the initiator generates capsules [0] to [n] containing one or more pieces of information related to a corresponding capability (S61). Next, the initiator generates a command ATR_REQ containing the generated capsules [0] to [n] (S62 to S64). Then, the initiator transmits the command ATR_REQ to the target. The present invention can be applied to, for example, an IC card system.
    • 提供能够完全展示通信装置固有地执行近场通信的能力的通信装置,与其一起使用的通信方法,以及与其一起使用的程序,执行与目标的近场通信。 例如,对于由发起者或目标拥有的预定n + 1类型的能力中的每一个,启动器生成包含与对应能力相关的一条或多条信息的集合[0]至[n](S61)。 接下来,启动器生成包含生成的胶囊[0]至[n](S62至S64)的命令ATR_REQ。 然后,启动器将命令ATR_REQ发送到目标。 本发明可以应用于例如IC卡系统。