发明名称 |
Rotary head type reproducing apparatus |
摘要 |
In an apparatus of the kind arranged to reproduce, with a plurality of rotary heads, an information signal from a record bearing medium having many recording tracks which are parallel to each other with the information signal recorded therein and with a plurality of different pilot signals of different frequencies also recorded one by one, one in each of the recording tracks, a plurality of different reference signals of different frequencies are simultaneously generated. A tracking error is detected by using the different reference signals together with the pilot signals which are included in signals reproduced from the plurality of rotary heads.
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申请公布号 |
US4630146(A) |
申请公布日期 |
1986.12.16 |
申请号 |
US19850710091 |
申请日期 |
1985.03.11 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
TAKAYAMA, NOBUTOSHI;EDAKUBO, HIROO;KOZUKI, SUSUMU;TAKEI, MASAHIRO;NAGASAWA, KENICHI |
分类号 |
G11B5/592;G11B15/467;(IPC1-7):G11B5/56 |
主分类号 |
G11B5/592 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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