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    • 2. 发明授权
    • Picture signal processing apparatus
    • 图像信号处理装置
    • US4694351A
    • 1987-09-15
    • US863243
    • 1986-05-14
    • Koozoo NakamuraNagaharu HamadaMasaharu TadauchiYasuyuki KozimaNoboru SuemoriTakamitu Kouno
    • Koozoo NakamuraNagaharu HamadaMasaharu TadauchiYasuyuki KozimaNoboru SuemoriTakamitu Kouno
    • H04N1/411H04N1/387H04N1/41H04N1/417H04M1/00
    • H04N1/417
    • A picture signal processing apparatus comprises a signal processing means for performing signal processing such as picture element density conversion of picture signals, a first memory means for storing temporarily picture signals as object of the signal processing, a first signal path through which signals are received or transmitted between the signal processing means and the first memory means, an encoding means for performing encoding processing, a second memory means for storing temporarily picture signals as object of the encoding processing, a second signal path through which signals are received or transmitted between the encoding means and the second memory means, a control means for controlling the signal processing means and the encoding means, and a third signal path through which signals are received or transmitted between the signal processing means and the encoding means, thereby signal processing and encoding processing can be performed concurrently and high speed processing is realized.
    • 图像信号处理装置包括用于执行诸如图像信号的像素密度转换的信号处理的信号处理装置,用于存储临时图像信号作为信号处理对象的第一存储装置,被接收信号的第一信号路径或 在信号处理装置和第一存储装置之间发送的编码装置,用于执行编码处理的编码装置,用于存储作为编码处理的对象的临时图像信号的第二存储装置,在编码之间接收或发送信号的第二信号路径 装置和第二存储装置,用于控制信号处理装置和编码装置的控制装置,以及在信号处理装置和编码装置之间通过其接收或发送信号的第三信号路径,由此信号处理和编码处理可以 并行执行高速程序 ssing被实现。
    • 5. 发明授权
    • Facsimile transmitter
    • 传真发射机
    • US4470073A
    • 1984-09-04
    • US428978
    • 1982-09-30
    • Kozo NakamuraYasuyuki Kozima
    • Kozo NakamuraYasuyuki Kozima
    • G06T9/00H04N1/419H04N7/12
    • H04N1/419
    • In a facsimile transmitter in which original document information to be transmitted is photoelectrically converted to an analog video signal which is binary-coded through a binary-coder to be stored in a buffer memory, and the stored information is read from the buffer memory to be sent to transmission lines the transmitter is further provided with a transition detector for detecting the transition point of the binary-coded video signal read from the buffer memory, a run length signal generator for counting the number of pulses of a clock signal until the transition point of the binary-coded video signal is detected thereby to generate a run length signal, and a small computer for effecting the redundancy suppressing process on the basis of the binary-coded video signal and the run length signal.
    • 在要发送的原始文档信息被光电转换成通过二进制编码器进行二进制编码以存储在缓冲存储器中的模拟视频信号的传真发射机中,并且将所存储的信息从缓冲存储器读取为 发送到传输线路的发射机还设置有用于检测从缓冲存储器读取的二进制编码视频信号的转变点的转换检测器,用于对时钟信号的脉冲数进行计数的行程长度信号发生器,直到转换点 检测二进制编码视频信号,从而生成游程长度信号,以及小计算机,用于根据二进制编码视频信号和游程长度信号进行冗余抑制处理。
    • 7. 发明授权
    • High-speed image signal processing system
    • 高速图像信号处理系统
    • US5485287A
    • 1996-01-16
    • US900476
    • 1992-06-18
    • Kozo NakamuraYasushi YokosukaYasuyuki KozimaKazuhiko TakaokaKagehiro YamamotoTakeshi Asai
    • Kozo NakamuraYasushi YokosukaYasuyuki KozimaKazuhiko TakaokaKagehiro YamamotoTakeshi Asai
    • H04N1/32H04N1/41H04N1/21
    • H04N1/32368H04N1/32106H04N1/32358H04N1/32379H04N1/32561H04N1/32603H04N1/32122H04N2201/3216H04N2201/3225H04N2201/3226H04N2201/3274H04N2201/3288H04N2201/3294
    • A high-speed image signal processing system for encoding an image signal, read out at a high speed, into an encoded signal, and/or for recording a decoded signal obtained through a decoding operation on an encoded signal. The image signal, obtained through a scanning operation on an original document, is sent to an encoder through an image bus. A code bus, provided at an output of the encoder, is connected with an encoded-signal memory for storing the encoded signal. A code transfer unit, for performing input/output operation over the encoded signal and for performing transfer of the encoded signal from the code bus to a system bus, is disposed between the code bus and the system bus. A control unit, performing control over the entire system, and a document management data memory, storing management data for performing management over documents stored in the encoded-signal memory, are connected to the system bus. Further, the control unit, when receiving a request from a data input/output unit, issues a command indicative of the start of the encoding/decoding operation to the encoder/decoder. The encoder/decoder, when receiving the command from the control unit, sequentially processes the data from the data input/output unit without any intervention of the control unit, and when the data processing is completed, informs the control unit of the end of the data processing.
    • 一种高速图像信号处理系统,用于对图像信号进行编码,以高速读出,成为编码信号,和/或用于通过解码操作获得的解码信号对编码信号进行记录。 通过对原始文档的扫描操作获得的图像信号通过图像总线发送到编码器。 设置在编码器的输出端的代码总线与用于存储编码信号的编码信号存储器连接。 用于在编码信号上执行输入/输出操作并用于执行编码信号从代码总线传送到系统总线的代码传送单元设置在代码总线和系统总线之间。 对整个系统进行控制的控制单元和存储在编码信号存储器中的文件进行管理的管理数据的文件管理数据存储器连接到系统总线。 此外,控制单元在从数据输入/输出单元接收到请求时向编码器/解码器发出表示编码/解码操作开始的命令。 编码器/解码器在从控制单元接收到命令时,从数据输入/输出单元顺序处理数据,而无需任何控制单元的干预,当数据处理完成时,通知控制单元 数据处理。