Phonograph

Details Phonograph Phonograph

1979-12-28

1981-07-07

Haroian, Harry N.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specified detail of transducer assembly support structure

369254, G11B 318

Patent

active

042770700

ABSTRACT:
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.

REFERENCES:
patent: 2257028 (1941-09-01), Westerkamp
patent: 2357034 (1944-08-01), Thompson et al.
patent: 2819087 (1958-01-01), Cerone
patent: 3226124 (1965-12-01), Peterson

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