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    • 1. 发明授权
    • Image data coding apparatus and coding method
    • 图像数据编码装置和编码方法
    • US5073820A
    • 1991-12-17
    • US602162
    • 1990-10-23
    • Chihiro NakagawaHiroyuki FukudaHiroshi SasakiChikako MogiHidetoshi Yamada
    • Chihiro NakagawaHiroyuki FukudaHiroshi SasakiChikako MogiHidetoshi Yamada
    • H04N1/41G06T9/00
    • H04N19/00H04N19/126H04N19/15H04N19/176H04N19/18H04N19/192H04N19/146H04N19/152H04N19/30
    • An image data coding apparatus performs first and second coding processes. A controller outputs first and second control signals. An orthogonal transform circuit performs orthogonal transform on image data of one screen and generates an transformed output. A quantizing circuit quantizes the transformed output with a predetermined temporary first quantization width upon reception of the first control signal and generates a first quantized output, and quantizes the transformed output with an optimal second quantization width upon reception of the second control signal and generates a second quantized output. An entropy coding circuit codes the first quantized output and generates a first coded output, and codes the second quantized output and generates a second coded output. An amount-of-codes calculator calculates the amount of codes of the first coded output for each block and calculates the amount of codes of one screen based on the amount of codes for each block. An assigned-amount-of-codes determining circuit determines the amount of codes assigned to each block based on the amount of codes for each block and the amount of codes of the one screen, and the target amount of codes. A quantization width predicting circuit predicts the second quantization width based on the amount of codes of the one screen. A coding stop circuit supplies a coding stop signal to the entropy coding circuit when the amount of codes of the second coded output exceeds the assigned amount of codes.
    • 图像数据编码装置执行第一和第二编码处理。 控制器输出第一和第二控制信号。 正交变换电路对一个画面的图像数据进行正交变换,并生成变换输出。 量化电路在接收到第一控制信号时以预定的临时第一量化宽度量化变换输出,并产生第一量化输出,并且在接收到第二控制信号时以最佳第二量化宽度量化变换输出,并产生第二 量化输出。 熵编码电路对第一量化输出进行编码并产生第一编码输出,并对第二量化输出进行编码,并生成第二编码输出。 代码量计算器计算每个块的第一编码输出的代码量,并且基于每个块的代码量来计算一个屏幕的代码量。 分配数量的代码确定电路基于每个块的代码量和一个屏幕的代码量以及目标代码量确定分配给每个块的代码量。 量化宽度预测电路基于一个屏幕的代码量来预测第二量化宽度。 当第二编码输出的代码量超过分配的代码量时,编码停止电路向熵编码电路提供编码停止信号。
    • 2. 发明授权
    • Image data coding apparatus and method capable of controlling amount of
codes
    • 能够控制代码量的图像数据编码装置和方法
    • US5291282A
    • 1994-03-01
    • US771791
    • 1991-10-04
    • Chihiro NakagawaHidetoshi Yamada
    • Chihiro NakagawaHidetoshi Yamada
    • G06T9/00H04N7/26H04N7/30H04N9/804H04N7/12
    • H04N9/8047H04N19/115H04N19/124H04N19/15H04N19/172H04N19/192H04N19/60H04N19/13H04N19/146H04N19/91
    • An image data coding apparatus includes a preprocessing unit for executing preprocessing including compression for input image data in units of screens to generate a preprocessed output. A quantizing unit quantizes the preprocessed output with a predetermined quantization width to generate a quantized output. A variable-length coding unit executes variable-length coding for the quantized output. A target-amount-of-codes output unit outputs information concerning a target amount of codes corresponding to one screen. A quantization width predicting unit predicts a suitable quantization width on the basis of the information from the variable-length coding unit to supply information concerning the predicted quantization width to the quantizing unit. The quantizing unit quantizes the preprocessed output generated by the preprocessing unit with the predicted quantization width included in the information from the quantization width predicting unit.
    • 图像数据编码装置包括:预处理单元,用于执行预处理,包括以屏幕为单位的输入图像数据的压缩,以产生预处理的输出。 量化单元以预定的量化宽度量化预处理输出,以产生量化输出。 可变长度编码单元对量化输出执行可变长度编码。 目标代码量输出单元输出与一个屏幕对应的目标代码量的信息。 量化宽度预测单元基于来自可变长度编码单元的信息预测适当的量化宽度,以向量化单元提供关于预测量化宽度的信息。 量化单元利用来自量化宽度预测单元的信息中包含的预测量化宽度量化由预处理单元生成的预处理输出。
    • 5. 发明申请
    • HANDLE GRIP WITH HEATER
    • 手柄带加热器
    • US20070007266A1
    • 2007-01-11
    • US11457329
    • 2006-07-13
    • Kouzou SasakiChihiro NakagawaTsugio AmboKimio Nakayama
    • Kouzou SasakiChihiro NakagawaTsugio AmboKimio Nakayama
    • B60L1/02
    • B62K21/26B62J33/00H05B3/46
    • Onto a surface of a cylindrical core body 1 made of synthetic resin, is adhered a heater unit 2 which is formed by adhering, with an adhesive agent, an electric resistance member 4 made of a SUS foil on an inner surface of a flexible electrically insulating plate 3 made of synthetic resin. The electric resistance member 4 is formed by half-punching the SUS foil uniformly applied on the electrically insulating plate into a given configuration and removing an unnecessary portion. The electric resistance member 4 has a small width, a large length and a zigzag shape to increase electric resistance. Both ends of the electric resistance member constitute connecting portions for an electric power supply wire 5 and are arranged side by side at one end of the electrically insulating plate.
    • 在由合成树脂制成的圆筒形芯体1的表面上粘附加热器单元2,该加热器单元2通过粘合剂将由SUS箔制成的电阻构件4粘附在柔性电绝缘的内表面上 板3由合成树脂制成。 电阻部件4通过将均匀地施加在电绝缘板上的SUS箔半冲压成给定的构造并去除不必要的部分而形成。 电阻部件4具有小的宽度,大的长度和锯齿形状以增加电阻。 电阻构件的两端构成电力供给线5的连接部并且并排设置在电绝缘板的一端。