| 发明名称 |
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| 摘要 |
A disk-shaped record carrier body for storing information which is recorded thereon by a beam of radiation. The carrier body comprises a follow-on track which is capable of being scanned with an opto-electronic system so as to produce an electrical signal for controlling the position of the beam during recording of the information. |
| 申请公布号 |
DE2462524(C3) |
申请公布日期 |
1979.02.22 |
| 申请号 |
DE19742462524 |
申请日期 |
1974.01.23 |
| 申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN, EINDHOVEN (NIEDERLANDE) |
发明人 |
KRAMER, PIETER;ROOS, JAN |
| 分类号 |
G11B3/68;G11B7/00;G11B7/0045;G11B7/09;G11B7/24;G11B11/105;G11B23/30;G11B23/38;H04N5/85;(IPC1-7):G11B7/00 |
主分类号 |
G11B3/68 |
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