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
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