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    • 8. 发明专利
    • Radio terminal executing visible-ray short-distance communication using camera device
    • 无线电终端使用相机设备执行可见距离通信
    • JP2005341595A
    • 2005-12-08
    • JP2005156362
    • 2005-05-27
    • Samsung Electronics Co Ltd三星電子株式会社Samsung Electronics Co.,Ltd.
    • KEUM JI-EUNRI SOWASONG JAE-YEONLEE HYUN-WOOYANG SEUNG-KEE
    • H04M1/00H04B7/26H04B10/11H04B10/116H04M1/22H04M1/725H04W84/10H04W88/02H04B10/10H04B10/105H04B10/22
    • H04B10/114H04B10/116H04M1/22H04M1/7253H04M2250/52
    • PROBLEM TO BE SOLVED: To provide a radio terminal which executes visible-ray short-distance communication, by utilizing a camera instrument and in which an LED and a camera sensor which are used for camera functionalities are made usable for an interface device for visible-ray short-distance communication in the radio terminal equipped with a camera.
      SOLUTION: The radio terminal contains the LED part for supplying light, an LED driver for controlling the operation of the LED part, and a camera sensor part which senses a light signal, converts it to an electrical signal and transmits the electrical signal. The radio terminal further includes a data processing part which processes data, which are transmitted through visible-ray short-distance communication and data which are received through the visible-ray short-distance communication; a modulation part which converts the data to be transmitted which have been transmitted through the data processing part to an electrical signal which is suitable for optical wireless communication system and transmits the signal to the LED driver; and a demodulation part which demodulates the electrical signal transmitted from the camera sensor part into data by the optical wireless communications system and transmits the data to the data processing part.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种执行可见光短距离通信的无线电终端,通过利用相机仪器,其中用于相机功能的LED和相机传感器可用于接口设备 用于配备有摄像头的无线电终端中的可见光短距离通信。 解决方案:无线电终端包含用于提供光的LED部分,用于控制LED部分的操作的LED驱动器和感测光信号的照相机传感器部分,将其转换为电信号并发送电信号 。 无线电终端还包括数据处理部分,其处理通过可见光短距离通信发送的数据和通过可见光短距离通信接收的数据; 调制部,将通过数据处理部发送的被发送数据转换为适合于光无线通信系统的电信号,并将该信号发送给LED驱动器; 以及解调部,其通过光无线通信系统将从摄像机传感器部发送的电信号解调为数据,并将数据发送到数据处理部。 版权所有(C)2006,JPO&NCIPI