Stereo phonograph cartridge

Details Stereo phonograph cartridge Stereo phonograph cartridge

1974-09-18

1976-04-20

Aegerter, Richard E.

Undertaking

17910041P, 274 37, H04R 116

Patent

active

039521710

ABSTRACT:
An improved stereo phonograph cartridge which provides direct coupling between the stylus signal motion and right and left channel transducers with minimal distortion of the record groove modulation in which the transducers are held between elastomeric blocks with forces transmitted to the transducers by horizontally spaced contact points on a resolver on which the stylus bar is supported and which is anchored to the base with a flexible pivot anchor under tension with the resolver having a pair of stabilizers of an elastomeric material located in vertical alignment with the contact points on the resolver to form a second set of force transmission points with all points equidistant from the pivot point of the pivot anchor to result in a balanced arrangement such that right and left channel stylus bar motions will be faithfully transmitted to the transducers.

REFERENCES:
patent: 2849239 (1958-08-01), Dieter et al.
patent: 3055989 (1962-09-01), Bachman et al.
patent: 3219764 (1965-11-01), Pritchard
patent: 3646279 (1970-12-01), Stanton
patent: 3673354 (1972-06-01), Oda et al.
patent: 3720796 (1973-03-01), Honma

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