发明名称 |
PHONOGRAPH |
摘要 |
A phonograph has a viscous damping arrangement coupling a pick-up arm to the base of the phonograph to damp vertical and horizontal vibrations of the arm. The damping means is coupled to the arm at a position close to the pick-up cartridge of the arm. A counter-balance mass is also provided on the arm, the mass having an adjustable position and mass. |
申请公布号 |
DE3060735(D1) |
申请公布日期 |
1982.10.07 |
申请号 |
DE19803060735 |
申请日期 |
1980.01.08 |
申请人 |
CRANFIELD INSTITUTE OF TECHNOLOGY |
发明人 |
DINSDALE, JACK;PARKINS, DAVID WALTER;HARDWICK, JOHN PATRICK |
分类号 |
G11B3/18;(IPC1-7):G11B3/18;G11B3/02;H04R1/16 |
主分类号 |
G11B3/18 |
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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