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    • 44. 发明授权
    • Rail-to-rail amplifier circuit and semiconductor device
    • 轨至轨放大器电路和半导体器件
    • US07592868B2
    • 2009-09-22
    • US12043227
    • 2008-03-06
    • Kazuhiro Hasegawa
    • Kazuhiro Hasegawa
    • H03F3/45
    • H03F3/45219H03F3/3022H03F2203/30015H03F2203/45091H03F2203/45626
    • A rail-to-rail amplifier for amplifying an analog signal from a DAC includes a first differential input section, which includes an n-channel transistor pair, a second differential input section, which includes a p-channel transistor pair, a first current supply provided between the second differential input section and a high voltage side supply, and a current controller for the second input section provided between the first current supply and the second differential input section for controlling the current supply to the second differential input section in accordance with data of a predetermined bit position in input digital data to the DAC. A second current supply is provided between a low voltage side supply and the first differential input section and a current controller for the first input section is provided between the second current supply and the first differential input section for controlling the current supply to the first differential input section in accordance with data of a predetermined bit position in input digital data to the DAC.
    • 用于放大来自DAC的模拟信号的轨至轨放大器包括:第一差分输入部分,包括n沟道晶体管对;第二差分输入部分,其包括p沟道晶体管对;第一电流源 设置在第二差分输入部分和高压侧电源之间,以及设置在第一电流源和第二差分输入部分之间的第二输入部分的电流控制器,用于根据数据控制到第二差分输入部分的电流供应 在DAC的输入数字数据中的预定位位置。 在低电压侧电源和第一差分输入部之间提供第二电流源,并且用于第一输入部的电流控制器设置在第二电流源和第一差分输入部之间,用于控制对第一差分输入的电流供应 根据DAC的输入数字数据中的预定位位置的数据。
    • 45. 发明申请
    • CONVEYOR-BELT APPARATUS AND IMAGE HEATING APPARATUS
    • 输送带装置和图像加热装置
    • US20090208260A1
    • 2009-08-20
    • US12367847
    • 2009-02-09
    • Kazuhiro Hasegawa
    • Kazuhiro Hasegawa
    • G03G15/20
    • G03G15/2025
    • An image heating apparatus including: an endless belt; a heating rotary member for heating a toner image on a sheet at a heating nip between the belt and the rotary member; a pressure member provided slidably on an inner surface of the belt at the heating nip, for bringing the belt into pressure contact with the rotary member; and a lubricant applying roller including a lubricant retaining layer for retaining a lubricant and a lubricant applying amount controlling layer for controlling an applying amount of the lubricant, the lubricant applying roller abutting against the inner surface of the belt to apply the lubricant onto the inner surface of the belt while rotating, in which the lubricant applying roller is brought into contact with the belt and includes a high frictional portion having a coefficient of friction higher than that of the lubricant applying amount controlling layer.
    • 一种图像加热装置,包括:环形带; 加热旋转构件,用于在带和旋转构件之间的加热辊隙处加热片材上的调色剂图像; 压力构件,其在所述加热辊隙处可滑动地设置在所述带的内表面上,用于使所述带与所述旋转构件压力接触; 以及包括用于保持润滑剂的润滑剂保持层和用于控制润滑剂的涂布量的润滑剂施加量控制层的润滑剂施加辊,所述润滑剂施加辊抵靠所述带的内表面以将润滑剂施加到内表面上 其中润滑剂施加辊与带接触,并且包括具有比润滑剂施加量控制层的摩擦系数高的摩擦系数的高摩擦部分。