| 摘要 |
The circuit for superimposing the title onto the normal video in a camcoder includes controller a drawing curtain effect, a 1st counter (105), a bus line (13) and a second counter (106), and a driving part of video switch composed of the 1st flip-flop (107), a 2nd flip-flop, a video switch (103) and a logically multiplier (109).
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