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    • 72. 发明授权
    • Printing device controller and printing device
    • 打印设备控制器和打印设备
    • US08261107B2
    • 2012-09-04
    • US12710257
    • 2010-02-22
    • Takeshi Saito
    • Takeshi Saito
    • G06F1/00G06F1/26G06F1/32
    • G06F1/3203G06F1/3284Y02D10/159Y02D50/20
    • A printing device controller provided with a first computational processing unit that performs overall control of the device as a whole and a second computational processing unit that consumes less power than the first computational processing unit, the printing device controller including: a RAM (Random Access Memory) having a self-refresh mode; a main control unit whose main processing constituent is the first computational processing unit; and a sub control unit whose main processing constituent is the second computational processing unit. When an instruction to enter a power-saving state is inputted, the main control unit causes the first computational processing unit to store information necessary for returning from the power-saving state into a storage unit and then causes the RAM to enter the self-refresh mode, and the sub control unit then powers off the first computational processing unit.
    • 一种打印装置控制器,具有执行整个装置整体控制的第一计算处理单元和消耗比第一计算处理单元少的功率的第二计算处理单元,所述打印装置控制器包括:RAM(随机存取存储器 )具有自刷新模式; 主控制单元,其主处理成分是第一计算处理单元; 以及其主要处理成分是第二计算处理单元的子控制单元。 当输入进入省电状态的指令时,主控制单元使第一计算处理单元将从省电状态返回所需的信息存储到存储单元中,然后使RAM进入自刷新 模式,并且子控制单元然后关闭第一计算处理单元。