发明授权
US5177649A Information signal recording apparatus for recording pilot signals on particular areas 失效
用于在特定区域上记录导频信号的信息信号记录装置

Information signal recording apparatus for recording pilot signals on
particular areas
摘要:
An information signal recording apparatus, which includes a pilot signal generator for generating a tracking control pilot signal having a predetermined frequency, a generator for generating an information signal to be recorded, and a recorder for recording the pilot signal on a first area of a recording track, and for recording the information signal on a second area of the recording track. A component of the predetermined frequency of the pilot signal is made to be smaller in a leading portion and in an ending portion of the first area than in other portions of the first area.
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