05396443 is referenced by 155 patents and cites 5 patents.

An information processing apparatus can save an electric power when it is not in use and can be made active immediately after an operation medium such as a pen and a finger or the user approaches or comes in contact with the apparatus, the arrangement being such that a housing portion of the apparatus includes therein a sensor for detecting the approach or contact of a user operation medium or user and a state display unit for informing the user that the apparatus is in the active state or in the standby state, a power saving control unit controls a controlled object concerning a power consumption in response to the approach, contact or separation of the operation medium or user, and a timer included in the electric power saving control unit determines whether or not the operation medium or user is separate from the apparatus.

Title
Information processing apparatus including arrangements for activation to and deactivation from a power-saving state
Application Number
8/133221
Publication Number
5396443
Application Date
October 7, 1993
Publication Date
March 7, 1995
Inventor
Hitoshi Yonenaga
Hitachi
JP
Shigeto Oeda
Kamakura
JP
Toshio Kamimura
Fujisawa
JP
Michihiro Mese
Chigasaki
JP
Agent
Antonelli Terry Stout & Kraus
Assignee
Hitachi
JP
IPC
G06F 1/32
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