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    • 2. 发明授权
    • Image signal encoding apparatus
    • 图像信号编码装置
    • US4953019A
    • 1990-08-28
    • US440490
    • 1989-11-22
    • Akihiro SkikakuraYasuyuki TanakaMakoto ShimokoriyamaYoshiki IshiiTetsuya ShimizuShinichi YamashitaAkio Fujii
    • Akihiro SkikakuraYasuyuki TanakaMakoto ShimokoriyamaYoshiki IshiiTetsuya ShimizuShinichi YamashitaAkio Fujii
    • H04N7/26H04N7/12
    • H04N19/98
    • An image signal encoding apparatus for encoding an image signal in which image of one picture plane consisting of a plurality of pixel data are divided into a plurality of blocks each consisting of a predetermined number of pixel data. For each of the blocks, a pair of reference value data regarding the maximum and minimum values of the levels of the pixel data constructing the block are formed. On the basis of the formed reference value data, encoded date is formed by encoding each of the pixel data of the block. Decoded data is formed by decoding the encoded data formed on the basis of the reference value data. By comparing each of the pixel data of the block with the decoded data, errors are detected. The reference value data are corrected in accordance with the result of the detection. Thus, the encoding errors are reduced and it is possible to perform the encoding with less deterioration in picture quality of the image signal.
    • 一种用于编码图像信号的图像信号编码装置,其中由多个像素数据组成的一个图像的图像被划分成由预定数量的像素数据组成的多个块。 对于每个块,形成关于构成该块的像素数据的电平的最大值和最小值的一对参考值数据。 基于形成的参考值数据,通过对块的每个像素数据进行编码来形成编码日期。 通过对基于参考值数据形成的编码数据进行解码来形成解码数据。 通过将块的像素数据与解码数据进行比较,检测出错误。 参考值数据根据检测结果进行校正。 因此,编码错误减少,并且可以以较少的图像信号的图像质量劣化来执行编码。
    • 4. 发明授权
    • Image signal reproducing apparatus
    • 图像信号再现装置
    • US5561529A
    • 1996-10-01
    • US163005
    • 1993-12-08
    • Yasuyuki TanakaTetsuya ShimizuKatsumi Karasawa
    • Yasuyuki TanakaTetsuya ShimizuKatsumi Karasawa
    • H04N5/7826H04N5/783H04N5/926H04N5/937H04N5/945H04N7/26H04N7/50
    • H04N5/9261H04N19/61H04N5/9264H04N5/937H04N19/107H04N5/78263H04N5/783H04N5/945
    • The present invention provides an image signal reproducing apparatus, in which a writing operation memory structure temporarily storing the image signal is controlled such that control structure prohibits sad memory structure from writing the same portion of the image signal that said memory structure has stored, to prove the image signal reproducing apparatus which is adequate to reproduce image data compressed by the inter-frame encoding, an image signal reproducing apparatus, in which a reading operation of memory structure temporarily storing the image signal is controlled such that control structure changes a unit portion of an image signal repeatedly read out from said memory structure according to a motion of the image signal, to maintain the vertical resolving power for still images and to prevent the motion images to become unnatural, and an image signal reproducing apparatus, in which a writing operation of memory structure temporarily storing the image signal is controlled such that control structure changes a condition to allow the image signal to be written in said memory structure, to reproduce the image signal having as high quality as possible.
    • 本发明提供了一种图像信号再现装置,其中控制临时存储图像信号的写入操作存储器结构,使得控制结构禁止悲伤存储器结构写入存储结构所存储的图像信号的相同部分,以证明 适于再现通过帧间编码压缩的图像数据的图像信号再现装置,图像信号再现装置,其中暂时存储图像信号的存储结构的读取操作被控制,使得控制结构改变单元部分的单位部分 根据图像信号的运动从所述存储器结构重复读出的图像信号,以维持静止图像的垂直分辨率并防止运动图像变得不自然;以及图像信号再现装置,其中写入操作 的存储结构临时存储图像信号被控制 这样,控制结构改变条件以允许图像信号被写入所述存储器结构中,以再现具有尽可能高质量的图像信号。
    • 7. 发明授权
    • Wireless terminal device, communication method, and computer-readable recording medium
    • 无线终端装置,通信方式以及计算机可读记录介质
    • US08565165B2
    • 2013-10-22
    • US12407284
    • 2009-03-19
    • Kotaro IseYasuyuki TanakaKiyoshi Toshimitsu
    • Kotaro IseYasuyuki TanakaKiyoshi Toshimitsu
    • H04W4/00
    • H04W48/16H04W12/06H04W48/20
    • A wireless terminal device performs first, second, and third scans in sequence to detect wireless access points; stores base station information on the detected wireless access points in a storing unit; sets a disappearance flag in base station information that correspond to a wireless access point that was detected in the first scan and not in the second scan; sets a reappearance flag in base station information that correspond to a wireless access point that was not detected in the second scan and was detected in the third scan; identifies a wireless base station corresponding to base station information in which the disappearance flag and the reappearance flag are set; and displays information on the wireless base station identified on a display unit.
    • 无线终端设备依次执行第一,第二和第三扫描以检测无线接入点; 将基站信息存储在存储单元中的检测到的无线接入点上; 设置与在第一扫描中检测到的无线接入点相对应的基站信息中的消失标志,而不是在第二次扫描中; 在基站信息中设置与在第二次扫描中没有检测到并在第三扫描中检测到的无线接入点相对应的再现标志; 识别与设置了消失标志和再现标志的基站信息对应的无线基站; 并在显示单元上标识的无线基站上显示信息。