Method and apparatus for real time monitoring of user presence to prolong a portable computer battery operation time
作者： Paul T. Buchheit , Mark A. Holler , Aaron M. Tsirkel
DOI:
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摘要: A computer is power managed by detecting the presence of a user. camera associated with and output from analyzed to determine if user present. If present, then maintained in its non-power manage state. When leaves, however, user's no longer detected camera, state can be quickly entered.
google.co.in参考文章(17)
Henry Tat-Sang Fung, Activity monitor for computer system power management ,(1995)
Raymond S. Duley, Ashfaq R. Khan, Power interrupt device with remote activity detector ,(1993)
Paul Given, Keyboard motion detector ,(2000)
Alan J. Kipust, Security system with proximity sensing for an electronic device ,(1997)
Kenneth Shaw, Charles Krallman, William Hart, Per Hogdahl, Modular computer system having self contained workslate unit detachably coupled to base unit including keyboard ,(1993)
Rune A. Skarbo, Christopher C. Lawless, Anthony C. Salvador, Frederick J. Cooper, Douglas L. Sorenson, Kathleen E. Kovatch, Mechanism for increasing awareness and sense of proximity among multiple users in a network system ,(1996)
Bruce Tognazzini, Bob Glass, Jakob Nielsen, Eyetrack-driven illumination and information display ,(1997)
Michihiro Mese, Shigeto Oeda, Toshio Kamimura, Hitoshi Yonenaga, Information processing apparatus including arrangements for activation to and deactivation from a power-saving state ,(1993)
Jefferson G. Summers, Nelson W. Willhite, Programmable power management circuit for a power supply in a computer system ,(1996)