发明名称 TELEVISION CIRCUIT FOR USE ON SIGNAL RECORDING AND SIGNAL DISPLAY, RESPECTIVELY,
摘要 <p>PHN 9841 46 Television circuit comprising a signal correction circuit which is active on signal recording and display, respectively, to obtain an optimum picture on display, and comprising a memory, memory-location (RC) containing correction information of which correspond to picture subregions (RC), each having their scanning lines (H1-H16), these subregions (RC) having been arranged in a matrix of rows and columns. According to the invention the memory comprisies further memory locations (HOC) namely a first, further memory location (HOC1-HOC7) for each column of subregions, absolute correction information being present in each first memory location for all subregions in the column and relative difference information being present in each memory location (R1C1-R19C7) corresponding to a subregion in the column, each relative difference information per subregion furnishing a correction information for each scanning line in the subregion which information is valid with respect to the preceding scanning line.</p>
申请公布号 CA1169548(A) 申请公布日期 1984.06.19
申请号 CA19810385355 申请日期 1981.09.08
申请人 N.V. PHILIPS'GLOEILAMPENFABRIEKEN 发明人 KLEIN, JOHANNES
分类号 H04N5/91;H04N5/14;H04N5/16;H04N5/217;(IPC1-7):G11B27/02;H04N5/76 主分类号 H04N5/91
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