专利汇可以提供Color television picture receiver专利检索,专利查询,专利分析的服务。并且PURPOSE: To eliminate or reduce effectively the dot disturbance of the chroma subcarrier signal mixing into the luminance signal, by providing the auxiliary deflecting means which gives micro vibrations to at least one electron beam of the cathode-ray tube in the direction almost vertical to the scanning direction and supplying the frequency signal of the desired amplitude to the auxiliary means.
CONSTITUTION: Frequency signal generator circuit 14 features the frequency of m/n-times as much as the chroma subcarrier frequency (m,m:integers and m>n) and produces the frequency signal synchronizing with the chroma subcarrier signal. In addition to circuit 14, ringing amplifier 18 and differential amplifier 19 which form the amplitude adjusting circuit to adjust the signal amplitude are provided, along with the auxiliary deflecting means which gives micro vibrations to at least one electron beam of the cathode-ray tube in the direction almost vertical to the scanning direction. Then the frequency signal of the desired amplitube is supplied to split electrode G
4-1 and G
4-2 of focusing electrode G
4 . As a result, the dot disturbance of the chroma subcarrier signal mixing into the luminance signal can be eliminated or reduced effectively
COPYRIGHT: (C)1979,JPO&Japio,下面是Color television picture receiver专利的具体信息内容。
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