[英语]unit 06.pptVIP

Unit Six Technology of Modern Communication--Bluetooth Part One Part Two Part Three Part Four New Words Text Exercises New Words and Expressions Bluetooth n. 蓝牙（一种无线通信的标准） personal area networks n. 个人域网 synchronization n. 同步 laptop n. 膝上型电脑，笔记本电脑 GPS(Global Positioning System ) n. 全球定位系统 headset n. 带在头上的耳机或听筒 OBEX(Object Exchange) n.对象交换(协议) contact n.（手机上的）联系人 infrared adj. 红外线，红外线的 Text Bluetooth is a wireless protocol utilizing short-range communications technology facilitating data transmissions over short distances from fixed and/or mobile devices, creating wireless personal area networks (PANs). The intent behind the development of Bluetooth was the creation of a single digital wireless protocol, capable of connecting multiple devices and overcoming issues arising from synchronization of these devices.① Bluetooth provides a way to connect and exchange information between devices such as mobile phones, telephones, laptops, personal computers, printers, GPS receivers, digital cameras, and video game consoles over a secure, globally unlicensed Industrial, Scientific, and Medical (ISM) 2.4 GHz short-range radio frequency bandwidth.② The Bluetooth specifications are developed and licensed by the Bluetooth Special Interest Group (SIG). The Bluetooth SIG consists of companies in the areas of telecommunication, computing, networking, and consumer electronics. More prevalent applications of Bluetooth include: Wireless control and communication between a mobile phone and a hands-free headset. This was one of the earliest applications to become popular. Wireless networking between PCs in a confined space and where little bandwidth is required. Wireless communications with PC input and output devices, the most common being the mouse, keyboard and printer. Transfer of files between devices with OBEX. Transfer of contact details, calendar appointments, and reminders between devices with OBEX. Replacement of traditional wired seria