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    • 1. 发明授权
    • Detection device and image forming apparatus for reducing a cavity effect
    • 用于减小空腔效应的检测装置和图像形成装置
    • US08993990B2
    • 2015-03-31
    • US13093416
    • 2011-04-25
    • Masao ItoIzumi Iwasa
    • Masao ItoIzumi Iwasa
    • G01N21/86H01J3/14G03G15/04
    • G02B1/116G03G15/04036
    • A detection device includes: a detection member that includes an emission member emitting a beam toward a direction of a transportation path and a beam receiving member receiving a reflected beam reflected from a medium; a transmissive member that is provided to allow a regular reflected beam of the beam reflected from the medium to be obliquely incident thereto, and through which the beam emitted from the emission member is transmitted; and a multiple-layered antireflective film that is provided on the transmissive member, the antireflective film being formed such that a maximum value of reflectivity of a first incident beam incident at the same angle as an incident angle of the regular reflected beam becomes smaller than a maximum value of reflectivity of a second incident beam incident in the direction perpendicular to the transmissive member within a visible light wavelength range.
    • 一种检测装置,包括:检测部件,其包括朝向传送路径的方向发射光束的发射部件和接收从介质反射的反射光束的光束接收部件; 透射构件,被设置成允许从介质反射的光束的规则反射光束倾斜地入射到其上,并且从发射构件发射的光束通过该透射构件被透射; 以及设置在所述透射构件上的多层防反射膜,所述防反射膜形成为以与所述正反射光束的入射角成相同角度入射的第一入射光的反射率的最大值变得小于 在可见光波长范围内在垂直于透射构件的方向入射的第二入射光的反射率的最大值。
    • 10. 发明授权
    • Subranging type A/D converter apparatus equipped with feedback line for
transmitting control signal for A/D conversion
    • 配有A / D转换控制信号发送反馈线的Subranging型A / D转换装置
    • US5812079A
    • 1998-09-22
    • US739017
    • 1996-10-28
    • Masao ItoTakashi Okuda
    • Masao ItoTakashi Okuda
    • H03F3/45H03M1/14H03M1/34
    • H03M1/144
    • In a subranging type A/D converter apparatus, the A/D converter apparatus executes A/D conversion by separating the A/D conversion into an A/D conversion of high-order bits and an A/D conversion of low-order bits in two steps, while feeding back a first control signal for executing the A/D conversion of the low-order bits according to results of the A/D conversion of the high-order bits. A digital logic circuit section executes decision of the A/D conversion to a control terminal of a switch group of a reference voltage generator circuit for generating a plurality of reference voltages via a feedback line provided in a plurality of voltage comparators provided with a plurality of differential amplifiers. Each of the differential amplifiers includes a plurality of transistors each for executing differential amplification. The plurality of differential amplifier transistors are arranged so as to be symmetrical with respect to the feedback line provided in each of the differential amplifiers.
    • 在A / D变换装置中,A / D转换装置通过将A / D变换分离为高位的A / D转换和低位的A / D变换来执行A / D转换 在两个步骤中,根据高阶位的A / D转换的结果反馈用于执行低位的A / D转换的第一控制信号。 数字逻辑电路部分执行A / D转换决定到参考电压发生器电路的开关组的控制端,用于经由设置在多个电压比较器的多个电压比较器中的反馈线产生多个参考电压 差分放大器。 每个差分放大器包括多个用于执行差分放大的晶体管。 多个差分放大器晶体管被布置为相对于在每个差分放大器中提供的反馈线对称。