Tangential tracking tonearm

Details Tangential tracking tonearm Tangential tracking tonearm

1977-11-25

1979-05-08

Phillips, Charles E.

Undertaking

G11B 328

Patent

active

041532562

ABSTRACT:
A tonearm system is provided in accordance with the invention in which the tonearm is mechanically maintained in tangential tracking relationship in the groove in a record during the playing thereof, the record being mounted on a rotating turntable. The principle of the mechanical system according to the invention is to provide the tonearm in fixed relationship with a bracket combination capable of pivoting the tonearm horizontally on a vertical axis which bracket in turn is adapted to rotate about a secondary vertical pivotal axis, this axis being in fixed relationship to the axis of the turntable and the record being played.

REFERENCES:
patent: 1933400 (1933-10-01), Victor
patent: 3826505 (1974-07-01), Birch
patent: 3920249 (1975-11-01), Birch

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