Compensator for horizontal angular error of a record-player arm

Details Compensator for horizontal angular error of a record-player arm Compensator for horizontal angular error of a record-player arm

1980-06-02

1982-08-24

Phillips, Charles E.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specified detail of transducer assembly support structure

G11B 338

Patent

active

043464661

ABSTRACT:
A mechanical compensator for the horizontal angular error of the playing arm of a record player. A lever is mounted upon and rotatable in a horizontal plane about a first bearing affixed to the base frame of the record player, the lever carrying a second bearing journalling a vertical shaft upon which the playing arm is mounted for joint rotation therewith. As the vertical shaft rotates during the second-tracking movement of the playing arm and the vertical shaft, a member affixed to the shaft is caused by a cam track to rotate the lever about the first bearing. The member affixed to the shaft may be a second lever having a cam follower which cooperates with a fixed cam, or the member affixed to the shaft may be a plate having a cam track therein which cooperates with a fixed cam follower.

REFERENCES:
patent: 3826505 (1974-07-01), Birch
patent: 4153256 (1979-05-01), Guha

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