发明名称 |
Variable-speed playback apparatus for digital video signals |
摘要 |
A variable-speed playback apparatus and method for reproducing digital video signals recorded in tracks of a recording medium, such as a magnetic tape. A track number and a synchronization block number may be obtained from the magnetic tape and utilized to form a trace phase. Such trace phase is compared to a reference trace phase so as to obtain a phase error which is used to control the tape speed. As a result, the tape traveling speed may be controlled with a relatively high accuracy.
|
申请公布号 |
US5930063(A) |
申请公布日期 |
1999.07.27 |
申请号 |
US19950542126 |
申请日期 |
1995.10.12 |
申请人 |
SONY CORPORATION |
发明人 |
YOSHIHIRO, TOSHITAKA;NAGUMO, MASAHIKO;YAMAOKA, MASATO |
分类号 |
H04N5/783;G11B15/18;G11B15/467;H04N5/92;H04N5/93;(IPC1-7):G11B21/04 |
主分类号 |
H04N5/783 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|