| 摘要 |
A wireless communication usage method with a mobile phone is provided to offer image services by enabling a user to transceive images through UWB(Ultra Wideband) wireless communication in a limited space at a low cost, thus a user can receive the image services in a limited area. A UWB transmission simple-type device(700) reads image information of a USB(Universal Serial Bus) memory(500), and is embedded with a battery as a UWB transmission device. The UWB transmission simple-type device(700) is installed in the vicinity of a displayed product or catalog. The UWB transmission simple-type device(700) provides a lot of image information such as catalogs and information of products to customers' mobile phones by the USB memory(500) in limited areas.
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