An apparatus and a system, as well as a method and article, may operate to adjust the rate of a clock to be coupled to a processor, such as a video stream processor, according to a previously communicated data rate associated with a data stream selected from a number of data streams. ...http://www.google.com.tw/patents/US20050289621?utm_source=gb-gplus-share專利 US20050289621 - Power management apparatus, systems, and methods
