会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 9. 发明授权
    • Bi-directional scan circuit
    • 双向扫描电路
    • US5341072A
    • 1994-08-23
    • US077751
    • 1993-06-18
    • Junzo WatanabeAkihiro UeyamaBan Kawamura
    • Junzo WatanabeAkihiro UeyamaBan Kawamura
    • H04N3/227H04N3/30H01J29/70H01J29/76
    • H04N3/30H04N3/227
    • At a horizontal deflecting circuit of bi-directional deflection, timings of deflection of forward scan path and backward scan path are respectively controlled. The timing of deflection of forward path or backward path is controlled at the first timing control circuit 22 so that it is synchronized with the horizontal synchronizing signal HD and timing of deflection of backward path or forward path is controlled at the second timing control circuit 24 so that deflection cycles of forward path and backward path are equalized.Further, timings of deflection of forward scan path and backward scan path are controlled respectively at first and second phase comparison circuits 22 and 24 so that the relation in phase between the image signal and the deflection takes a constant value on the basis of the horizontal synchronizing signal, to previously prevent occurrence of steady phase error.
    • 在双向偏转的水平偏转电路中,分别控制正向扫描路径和反向扫描路径的偏转定时。 在第一定时控制电路22处控制正向路径或反向路径的偏转定时,使其与水平同步信号HD同步,并且在第二定时控制电路24处控制向后路径或正向路径的偏转定时,从而 前向路径和后向路径的偏转周期相等。 此外,分别在第一和第二相位比较电路22和24处控制正向扫描路径和反向扫描路径的偏转定时,使得图像信号和偏转之间的相位关系基于水平同步 信号,以防止发生稳定相位误差。