发明名称 |
Recorder/player device with stationary recording medium and constant speed signal head drive |
摘要 |
Signal heads are displaced relative to a recording surface on a stationary recording medium having a separate surface on which visual data is recorded and displayed. Differential drive mechanism and adjustable resistor means effects signal head displacement along a predetermined path on the recording surface at a constant speed.
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申请公布号 |
US4851929(A) |
申请公布日期 |
1989.07.25 |
申请号 |
US19870073194 |
申请日期 |
1987.07.14 |
申请人 |
YANG, DE Q. |
发明人 |
YANG, DE Q. |
分类号 |
G11B21/02;G11B23/44;G11B25/04 |
主分类号 |
G11B21/02 |
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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