发明名称 Recording circuits for mother tapes for copying by contact.
摘要 <p>A recording apparatus for a mirror mother tape (MT) to be used in a contact printing process includes a unit (7) for converting a chrominance signal of an incoming colour video signal to a lower frequency fC, a unit (8) for generating a beat cancelling signal having a Frequency 2fC from the converted chrominance signal, a unit (4) for adding the beat cancelling signal to a luminance signal of the incoming colour video signal, a unit (9) for combining the down-converted chrominance signal with the luminance signal to which has been added the beat cancelling signal, and a head (15) for recording the combined signal applied from the combining unit on the mirror mother tape (MT). &lt;IMAGE&gt;</p>
申请公布号 EP0465232(A2) 申请公布日期 1992.01.08
申请号 EP19910306021 申请日期 1991.07.02
申请人 SONY CORPORATION 发明人 KOBAYASHI, TOSHIHARU;UNNO, KEISUKE
分类号 H04N9/83;H04N9/79 主分类号 H04N9/83
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