Reproducing stylus for phonograph records

Details Reproducing stylus for phonograph records Reproducing stylus for phonograph records

1976-09-20

1978-08-08

Aegerter, Richard E.

Undertaking

G11B 344

Patent

active

041052129

ABSTRACT:
An improved stylus, capable of following more faithfully not only horizontal and vertical vibrations but also 45.degree. vibrations, has an operative portion, for contacting the sound grooves, defined at any point thereof by the relationship that the projections of the operative portion onto the horizontal plane in respect to the axis of the stylus is part of an ellipse having a major diameter in which 0 is the angle between the horizontal plane and the line connecting the point and the center of curvature at the point, and r is the minor radius of the ellipse.

REFERENCES:
patent: 2251204 (1941-07-01), Reid
patent: 3534968 (1970-10-01), Puleston

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