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    • 6. 发明授权
    • Error correction method including erasure correction, and apparatus
therefor
    • 包括擦除校正的纠错方法及其装置
    • US5694330A
    • 1997-12-02
    • US230249
    • 1994-04-20
    • Keiichi IwamuraTakayuki AizawaIzumi NaritaTakatoshi Suzuki
    • Keiichi IwamuraTakayuki AizawaIzumi NaritaTakatoshi Suzuki
    • G06F11/10H03M13/00H03M13/15
    • H03M13/151
    • A multiplier calculates a product S'(x)=S(x).multidot..lambda.(x) mod X.sup.d-1 of a syndrome polynomial S(x) generated by a syndrome generator and an erasure position polynomial .lambda.(x) generated by an erasure position polynomial generator, modulo X.sup.d-1. A constant multiplier sequentially multiplies coefficients of the polynomial S'(x) and the erasure position polynomial .lambda.(x) with a power of a primitive root .alpha. of a code. The power exponents in this multiplication are determined in units of coefficients. Every time this multiplication is executed, an adder sequentially adds predetermined combinations of products. A plurality of arithmetic and logic operations according to the numbers of correctable erasures and errors are sequentially executed using the sums. A divisor and dividend are selected in accordance with the number of erasures included in the code on the basis of the plurality of arithmetic and logic operation results. A division is executed using the selected divisor and dividend. A value at a position, discriminated to be an error position, of the code is corrected based on the division result, thus performing error correction including erasure correction with a simple circuit arrangement.
    • 乘数计算由校正子发生器产生的校正子多项式S(x)的乘积S'(x)= S(x)×λ(x)mod Xd-1以及由擦除产生的擦除位置多项式λ(x) 位数多项式生成器,模Xd-1。 常数乘法器将多项式S'(x)和擦除位置多项式λ(x)的系数与代码的原始根α的幂相乘。 该乘法中的幂指数以系数为单位确定。 每次执行该乘法时,加法器依次添加预定的乘积组合。 使用这些和顺序地执行根据可校正的擦除和错误的数量的多个算术和逻辑运算。 根据多个算术和逻辑运算结果,根据代码中包含的擦除次数来选择除数和除数。 使用选定的除数和股息执行分割。 基于分割结果来校正代码的被判定为错误位置的位置处的值,从而以简单的电路布置执行包括消失校正的纠错。
    • 10. 发明授权
    • Printing system, printing method, digital camera, storage medium and program for printing method, and printing control apparatus
    • 打印系统,打印方法,数码相机,存储介质和打印方法程序以及打印控制装置
    • US07310156B2
    • 2007-12-18
    • US10058749
    • 2002-01-30
    • Hitoshi WatanabeTakatoshi Suzuki
    • Hitoshi WatanabeTakatoshi Suzuki
    • G06K15/00H04N1/00H04N1/32
    • H04N1/2154G06K2215/0085H04N1/2112H04N1/32122H04N1/32635H04N1/32667H04N2101/00H04N2201/3242H04N2201/3274
    • Conventionally, when due to running out of a battery or paper the printing designated in advance is not completed and when the interrupted printing is to be resumed, the images from the beginning must be printed, or images to be printed must be selected again using the camera. To resolve this problem, a printing system, which continuously performs printing on a plurality of sheets based on print setting information including, at the least, information for designating an image to be printed, comprises input means for entering image data that are to be printed printing means for printing the image data entered by the input means, storage means for, when printing based on the print setting information is halted, storing interrupt information concerning the printing completed before the interrupt, and control means for employing the interrupt information stored in the storage means to resume printing based on the print setting information.
    • 通常,当由于电池或纸张的耗尽而预先指定的打印机未完成,并且当打印的打印被恢复时,必须打印开头的图像,或者必须使用打印机再次选择要打印的图像 相机。 为了解决这个问题,打印系统基于至少包括用于指定要打印的图像的信息的打印设置信息在多张纸上连续地进行打印,包括用于输入要被打印的图像数据的输入装置 用于打印由输入装置输入的图像数据的打印装置,当停止基于打印设置信息的打印时,存储装置,存储关于在中断之前完成的打印的中断信息,以及用于采用存储在打印机中的中断信息的控制装置 存储装置,用于基于打印设置信息恢复打印。