发明名称 METHOD AND DEVICE FOR RECORDING VIDEO SIGNAL
摘要 PURPOSE:To improve the use efficiency of recording tracks by recording a discrimination signal which indicates a video signal of a half-tone image or binary image together with said video signal, and performing reproduction processing during reproduction according to said discrimination signal. CONSTITUTION:A changeover switch 15 is connected to a terminal 15b in the 1st mode wherein a half-tone image is photographed and recorded and to a terminal 15a in the 2nd mode wherein a binary image is photographed and recorded. A discrimination signal generator 16 generates a discrimination signal indicating one of the two modes simultaneously with the operation of the switch 15 and supplies the signal to a recording head moving mechanism. When one field is recorded after the last field is recorded in the 1st mode, a multihead 7 is moved by six recording tracks, and in the 2nd mode, the head is moved by one track. Further, a discrimination signal adding circuit 17 adds said discrimination signal to a corresponding image signal. Said discrimination signal is detected during reproduction and the image signal corresponding to said signal is selected to reproduced only said signal.
申请公布号 JPS60194683(A) 申请公布日期 1985.10.03
申请号 JP19840050282 申请日期 1984.03.16
申请人 CANON KK 发明人 YAMASHITA NOBUITSU
分类号 G11B20/10;H04N5/781;H04N5/91;H04N5/92;H04N9/804 主分类号 G11B20/10
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