发明名称 |
Data recorder and method of operation |
摘要 |
In this invention, a predetermined amount of data is given as one frame, and data having a predetermined format is recorded for each frame. A first area recording main data and a second area recording sub data are formed in each frame. Plural types of units each consisting of a plurality of frames are set, and a number of first units from a leading end of a recording medium and the numbers of other units from the leading end of the recording medium to a trailing end of the first units are recorded in the second area of a frame constituting the unit including the trailing end, thus facilitating a high-speed search operation. |
申请公布号 |
US5144501(A) |
申请公布日期 |
1992.09.01 |
申请号 |
US19910745991 |
申请日期 |
1991.08.08 |
申请人 |
SONY CORPORATION;HEWLETT-PACKARD LIMITED |
发明人 |
INAZAWA, YOSHIZUMI;OZAKI, SHINYA;MILTHORP, BRIAN;THOMPSON, BRUCE |
分类号 |
G11B20/10;G11B20/12;G11B27/30 |
主分类号 |
G11B20/10 |
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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