发明名称 |
OPTISCHES AUFZEICHNUNGS- UND/ODER WIEDERGABE-GERAET |
摘要 |
PCT No. PCT/EP89/01413 Sec. 371 Date Jun. 19, 1991 Sec. 102(e) Date Jun. 19, 1991 PCT Filed Nov. 21, 1989 PCT Pub. No. WO90/06576 PCT Pub. Date Jun. 14, 1990.An optical recording and/or reproducing apparatus includes a recording and/or scanning device fitted with a lens. A current of air which blows away dust that would otherwise impair the quality of reproduction can be directed over the lens by ribs on the underside of a turntable. |
申请公布号 |
DE3840311(A1) |
申请公布日期 |
1990.05.31 |
申请号 |
DE19883840311 |
申请日期 |
1988.11.30 |
申请人 |
DEUTSCHE THOMSON-BRANDT GMBH, 7730 VILLINGEN-SCHWENNINGEN, DE |
发明人 |
HAKE, MARTIN, 7730 VILLINGEN-SCHWENNINGEN, DE |
分类号 |
G11B7/00;G11B7/004;G11B7/08;G11B7/12 |
主分类号 |
G11B7/00 |
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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