Bluetooth is a ()technology.
Practice 4
Bluetooth is the newest kid on the technology block, and it holds a lot of promise for the assistive technology industry. Named for a 10th Century King of Denmark who unified the kingdoms of Denmark and Norway, Bluetooth is a shot-range wireless communication specification that promises to improve and increase electronic access to a number of environments by overcoming some of the obstacles typical of current technology. Bluetooth technology will enable devices to communicate and transfer data wirelessly and without the line-of-site issues of infra red technology.
So how does it work?
Bluetooth devices search each other out within their given operational range. Unlike devices that are wired together, Bluetooth devices do not have to be aware of the capabilities or properties of the devices to which they will connect beforehand. Bluetooth devices have a built-in mechanism that lets each device identify itself as well as its capabilities as it connects into this new Bluetooth network. This dynamic network does have a controlling device that designates itself as the master for the connection. Its programming and the capabilities necessary for the given task determine whether or not a device can be a master. For example, a cell phone may act as a master device when connecting to a headset, an ATM, or an information kiosk. However, the same cell phone or headset may act as a slave device to the information kiosk, now acting as the master device, broadcasting emergency evacuation information. The cell phone and kiosk can function in either capacity depending on the required function and their programming.
什么是HomeRF、SWAP和Bluetooth?
蓝牙(Bluetooth)是一种短距的无线通讯技术,配有蓝牙技术的电子产品能够在十公尺的距离内彼此相通,传输速度可以达到每秒钟()兆字节。
WLAN与3G、bluetooth的关系是怎样的?
蓝牙(Bluetooth)技术是一种数字通信的技术标准,它应用于()。
目前常用的无线局域网标准有IEEE802.11、蓝牙标准(Bluetooth)以及HomeRF标准。
蓝牙(Bluetooth)是一种短距的无线通讯技术,配有蓝牙技术的电子产品能够在十公尺的距离内彼此相通,传输速度可以达到每秒钟()兆字节。
Bluetooth技术是一种最接近用户的短距离、微功率、微微小区型无线接入手段,它使用()频段。
现实生活中,我们经常说的Wifi,蓝牙BlueTooth等属于以下()网络?