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    • 41. 发明授权
    • Image processing apparatus
    • 图像处理装置
    • US5003616A
    • 1991-03-26
    • US203643
    • 1988-05-31
    • Miyahiko OritaMorio KanasakiYuji TodaTadaaki MishimaMasato SuzukiChieko OnumaMasao Takatoo
    • Miyahiko OritaMorio KanasakiYuji TodaTadaaki MishimaMasato SuzukiChieko OnumaMasao Takatoo
    • G06T7/00
    • G06T7/00
    • An image processing apparatus having a character extraction unit for extracting an area whose density distribution characteristic meets a predetermined condition such as a binarization threshold and a size and a type of local filtering, from an input image of multiple gray levels, and extracts an object area as an output image from the input image by using the characteristic extraction unit. An area designation means designates an area having a uniform density distribution and containing the object area, to the input image. Condition determination means determines the condition for the characteristic extraction unit based on the density distribution characteristic of the input image in the designated area. In an image processing expert system, the image characteristics of the object image and the background in the area designated by the area designation means are evaluated and analyzed and the inquiry in the form of message is effected to quantize the evaluation of the image characteristic. As a result, the area extraction procedure can be easily executed by the interaction with an operator.
    • 一种具有字符提取单元的图像处理装置,用于从多个灰度的输入图像中提取密度分布特性满足诸如二值化阈值和尺寸和类型的局部滤波的预定条件的区域,并且提取对象区域 作为通过使用特征提取单元从输入图像输出的图像。 区域指定装置将具有均匀密度分布并包含对象区域的区域指定给输入图像。 条件确定装置基于指定区域中的输入图像的浓度分布特性来确定特征提取单元的条件。 在图像处理专家系统中,评估和分析由区域指定装置指定的区域中的对象图像的图像特性和背景,并且以消息的形式进行查询以量化图像特性的评估。 结果,可以通过与操作者的交互来容易地执行区域提取过程。
    • 44. 发明授权
    • Rotary encoder
    • 旋转编码器
    • US4559524A
    • 1985-12-17
    • US505466
    • 1983-06-17
    • Masato Suzuki
    • Masato Suzuki
    • G01D5/347G01D5/34
    • G01D5/34715
    • A rotary encoder for measuring a rotary angle and the number of rotation, which consists principally of a rotary shaft, a rotary slit disk fitted to the rotary shaft and a light emitting element and detectors opposing each other while interposing the rotary slit disk between them and fixed to a part of a housing in the non-contact arrangement with respect to the rotary slit disk. The present invention is characterized in that the rotary encoder is equipped with at least two pairs of detectors, each consisting of two detectors, and each detector pair is arranged in such a fashion that the resultant value of the detecting signals of the detectors forming each pair can be regarded as being detected at one point of resultant center which is substantially predetermined on the rotary slit disk.
    • 用于测量旋转角度和旋转数的旋转编码器,其主要包括旋转轴,安装到旋转轴的旋转狭缝盘和发光元件以及彼此相对的检测器,同时在其间插入旋转狭缝盘和 以相对于旋转狭缝盘的非接触布置固定到壳体的一部分。 本发明的特征在于,旋转编码器配备有至少两对检测器,每对检测器由两个检测器组成,并且每个检测器对被布置成使得形成每对的检测器的检测信号的结果值 可以被认为是在基本上预定在旋转狭缝盘上的合成中心的一个点处被检测到。
    • 45. 发明授权
    • Gate control apparatus
    • 闸门控制装置
    • US4079270A
    • 1978-03-14
    • US681248
    • 1976-04-28
    • Masahiko IbamotoMasato SuzukiSigeru Kuriyama
    • Masahiko IbamotoMasato SuzukiSigeru Kuriyama
    • G05F1/10H02M1/06H02M1/08H02M3/137H03K17/60
    • H02M3/137
    • In a semiconductor device which includes a main thyristor and an auxiliary thyristor for turning off the main thyristor and controls conduction period of the main thyristor according to a given duty factor, a gate control apparatus comprising a phase shifter for producing a square wave output corresponding to the duty factor, an integrator for integrating the output of the phase shifter, a relay circuit having two level settings and receiving the output from the integrator to produce an output which exhibits a hysterisis characteristic corresponding to the two level settings, and an amplifier for turning on the main thyristor in response to the output from the relay circuit and turning on the auxiliary thyristor upon the termination of the output from the relay circuit.
    • 在包括用于关断主晶闸管的主晶闸管和辅助晶闸管的半导体器件中,根据给定的占空因数控制主晶闸管的导通周期,门控制装置包括用于产生对应于 占空因数,用于积分移相器的输出的积分器,具有两个电平设置的继电器电路并且接收来自积分器的输出以产生表现出与两个电平设置相对应的滞后特性的输出,以及用于转动的放大器 在主晶闸管上响应于继电器电路的输出并在继电器电路的输出终止时接通辅助晶闸管。