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    • 1. 发明授权
    • Focus detecting device with photo-sensor array
    • 具有光电传感器阵列的聚焦检测装置
    • US4329577A
    • 1982-05-11
    • US974421
    • 1978-12-29
    • Noriyuki AsanoYukichi NiwaMitsutoshi OhwadaTakaaki YamagataShin Tsuda
    • Noriyuki AsanoYukichi NiwaMitsutoshi OhwadaTakaaki YamagataShin Tsuda
    • G03B13/36G02B7/30G02B7/36H04N1/19H04N5/232G01J1/20
    • H04N5/23212G02B7/36
    • A focus detecting device which performs focus detection in such a manner that an image of an object formed through an image forming lens is received by an array of many electric charge storing type photo-sensors and, under such a condition, the image is electrically scanned by extracting, in a time serial manner, the output of each photo-sensor, and then the sharpness of the image is detected from a scanning output thus obtained; or that two images of the object which are formed through a range-finding optical system with an apparent parallax corresponding to distance to the object are received by different arrays of such photo-sensors respectively and, under such a condition, the two images are electrically scanned separately from each other by extracting, in a time serial manner, the output of each of the photo-sensors and scanning outputs thus obtained are compared with each other to detect the relative parallax of the two images. In this device, for making the scanning output of the photo-sensor array or arrays always correct irrespective of variation in the brightness of the object, the scanning recycle time duration of the photo-sensor array or arrays is automatically adjusted according to the brightness of the object; and, accordingly, the electric charge storing time of each photo-sensor in the photo-sensor array or arrays are automatically adjusted thereby.
    • 一种聚焦检测装置,其以通过多个电荷存储型光电传感器的阵列接收通过图像形成透镜形成的物体的图像的方式进行焦点检测,并且在这种条件下,图像被电扫描 通过以时间序列方式提取每个光电传感器的输出,然后从由此获得的扫描输出检测图像的清晰度; 或者通过分别与这些光电传感器的不同阵列相对应地具有对应于与物体的距离的视差视差的测距光学系统形成的物体的两个图像,并且在这种情况下,两个图像是电 通过以时间序列方式提取每个光传感器的输出和由此获得的扫描输出彼此相互扫描以彼此分离地扫描,以检测两个图像的相对视差。 在该装置中,为了使光传感器阵列或阵列的扫描输出始终校正,而与物体亮度的变化无关,光传感器阵列或阵列的扫描循环持续时间将根据 物体; 因此,自动调整光传感器阵列或阵列中的每个光传感器的电荷存储时间。
    • 4. 发明授权
    • Image data processor
    • 图像数据处理器
    • US4742554A
    • 1988-05-03
    • US931929
    • 1986-11-17
    • Shin Tsuda
    • Shin Tsuda
    • H04N1/417H04N1/41G06K9/00
    • H04N19/93
    • The present invention is intended to binary process an image signal obtained by scanning image data by a plurality of threshold levels and to two-dimensionally encode a plurality of binary outputs derived in this way, thereby to telegraph-transmit an image at intermediate gradient. Then, by adopting the encoding by the Modified Read method which has a K parameter value coresponding to the number of such threshold levels, the intermediate gradient image can be telegraph-transmitted efficiently at a high speed. Furthermore, by merely increasing the threshold levels, the image at a variety of intermediate gradients of four, eight or sixteen values, or the like can be telegraph-transmitted and recorded, so that a degree of freedom is designing the apparatus is raised.
    • 本发明旨在二进制处理通过以多个阈值电平扫描图像数据而获得的图像信号,并且以这种方式对导出的多个二进制输出进行二维编码,从而以中间梯度传送图像。 然后,通过采用具有对应于这种阈值级数的K参数值的修改读取方法的编码,可以高速有效地电传中间梯度图像。 此外,通过仅增加阈值水平,可以对具有四个,八个或十六个值的各种中间梯度的图像等进行电报传送和记录,从而在设计设备时提高自由度。
    • 5. 发明授权
    • Circuit for preventing breakdown of a load resulting from wrong
connection of a power source
    • 用于防止因电源错误连接而引起的负载故障的电路
    • US4171512A
    • 1979-10-16
    • US849392
    • 1977-11-07
    • Shin Tsuda
    • Shin Tsuda
    • G01R1/36G01R19/14H02H11/00G01R19/16H02H9/00
    • G01R1/36G01R19/14H02H11/002
    • In a circuit for preventing breakdown of a load resulting from a wrong connection of a power source, there are provided a first load to which a DC voltage source should be applied at a predetermined polarity and to which a wrong polarity connection of the DC voltage source should be prevented, a second load to which the DC voltage should be applied, and a transistor having the base thereof connected to the second load and the collector thereof connected to one terminal for connection with the DC voltage source. The first load is connected between the base electrode and emitter electrode of the transistor. The junction of the first and second loads is connected to another terminal for connection to the DC voltage source.
    • 在用于防止因电源错误连接而引起的负载故障的电路中,提供了一个第一负载,其中以预定极性施加直流电压源,并且直流电压源极性连接错误 应该防止施加直流电压的第二负载,以及将其基极连接到第二负载的晶体管,其集电器连接到一个端子,用于与直流电压源连接。 第一负载连接在晶体管的基极和发射极之间。 第一和第二负载的接点连接到另一个端子,用于连接到直流电压源。
    • 8. 发明授权
    • Information forming apparatus
    • 信息形成装置
    • US4366505A
    • 1982-12-28
    • US75113
    • 1979-09-13
    • Shin TsudaSadasuke KurabayashiMinoru Ogata
    • Shin TsudaSadasuke KurabayashiMinoru Ogata
    • H04N1/413H04N1/415H04N7/12
    • H04N1/4135H04N1/415
    • The present invention is featured, in the transmission of pixel (picture element) signals grouped into blocks defined in a series of pixel signals, by sending a control signal instead of said pixel signals when the pixel signals contained in a block are all white signals or sending pixel signals after modulation when black signals are present in said block thereby compressing the time required for transmission, also by selecting the maximum amplitude of said control signal larger than the maximum amplitude of said modulated pixel signals thereby enabling identification of said control signals from said pixel signals, and by sending, when the final black pixel signal in a black signal containing block is followed by consecutive white pixel signals, a control signal instead of such white pixel signals thereby achieving further compression of the transmission time.
    • 本发明的特征在于,当分组为一系列像素信号中定义的块的像素(像素)信号的传输时,当包含在块中的像素信号都是白色信号时,通过发送控制信号而不是所述像素信号, 当黑信号存在于所述块中时,发送像素信号,从而通过选择所述控制信号的最大幅度大于所述调制像素信号的最大幅度,从而压缩传输所需的时间,从而能够识别来自所述调制像素信号的所述控制信号 像素信号,并且当黑色信号包含块中的最终黑色像素信号后面是连续的白色像素信号时,发送控制信号而不是这样的白色像素信号,从而实现传输时间的进一步压缩。
    • 10. 发明授权
    • Facsimile apparatus
    • 传真机
    • US4672460A
    • 1987-06-09
    • US588806
    • 1984-03-12
    • Shin Tsuda
    • Shin Tsuda
    • H04N1/10H04N1/327H04N1/32H04N1/40
    • H04N1/32368H04N1/1008H04N1/32448H04N1/32702
    • A memory for storing an image data is provided in a receiver of a facsimile apparatus and an information amount of the image data stored in the memory is informed to a transmitter of the facsimile apparatus. The transmission rate of the image data transmitted by the facsimile transmitter is controlled in accordance with the information amount of the image data stored in the memory of the facsimile receiver to efficiently transmit the image data. By providing the memory in the facsimile receiver, sending of a dummy bit by the facsimile transmitter is unnecessary and the transmission time of the image data is shortened.
    • 用于存储图像数据的存储器被提供在传真设备的接收器中,并且存储在存储器中的图像数据的信息量被通知给传真设备的发送器。 根据存储在传真接收机的存储器中的图像数据的信息量来控制由传真发送器发送的图像数据的传输速率,以有效地发送图像数据。 通过在传真接收机中提供存储器,传真发送器发送虚拟位是不必要的,并且缩短了图像数据的发送时间。