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    • 27. 发明授权
    • Data processing apparatus
    • 数据处理装置
    • US06795929B2
    • 2004-09-21
    • US10201082
    • 2002-07-24
    • Mitsuaki OshimaYoshihiro GoharaYoshinori KobayashiShozo FujiwaraTsuyoshi Uemura
    • Mitsuaki OshimaYoshihiro GoharaYoshinori KobayashiShozo FujiwaraTsuyoshi Uemura
    • G06F132
    • G06F1/3218G06F1/3203G06F1/3265G06F1/3287G06F1/3293Y02D10/122Y02D10/153Y02D10/171
    • A data processing apparatus has a first processing unit for processing an input data, a second processing unit responsive to the data processed by the first processing unit for executing a processing dependent on the data and producing a display data, and a display unit having a display drive unit and a display device for displaying the display data. The second processing unit is selectively inactivated and activated under control of the first processing unit to reduce power consumption in the second processing unit. The display drive unit is also selectively inactivated and activated under control of the first processing unit to reduce power consumption in the display unit. The display device has a memory function that maintains its display image even when supply of a display drive signal from the display drive unit is stopped, so that a latest image before inactivation of the second processing unit and/or the display drive unit for power consumption reduction is visible by an operator during the inactivated and low power consumption state of the apparatus.
    • 数据处理装置具有用于处理输入数据的第一处理单元,响应于由第一处理单元处理的数据执行取决于数据的处理并产生显示数据的第二处理单元和具有显示器的显示单元 驱动单元和用于显示显示数据的显示装置。 第二处理单元在第一处理单元的控制下被选择性地失活并被激活,以减少第二处理单元中的功耗。 显示驱动单元还在第一处理单元的控制下被选择性地禁用和激活,以减少显示单元中的功耗。 显示装置具有即使在停止来自显示驱动单元的显示驱动信号的供给时也保持其显示图像的存储功能,从而在停止第二处理单元和/或显示驱动单元之前的最新图像 在设备的失活和低功耗状态期间,操作者可以看到减少。