Pickup assembly for disc player

Details Pickup assembly for disc player Pickup assembly for disc player

1981-10-23

1984-07-24

Faber, Alan

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

350252, 250201, G11B 712

Patent

active

044620969

ABSTRACT:
A pickup assembly for a disc player includes a magnetic circuit for generating magnetic fluxes perpendicular to each other, a first coil group through which a current flows in a direction perpendicular to the magnetic fluxes, a second coil group through which a current flows in a direction perpendicular to one of the magnetic fluxes, a third coil group through which a current flows in a direction perpendicular to the other of the magnetic fluxes, a bobbin on which the first, second and third coil groups are wound, and a supporting member for supporting the bobbin so as to be movable in the three ways as along X-, Y- and Z axes.

REFERENCES:
patent: 4092529 (1978-05-01), Aihara
patent: 4110008 (1978-08-01), Uesugi
patent: 4135206 (1979-01-01), Kleuters
patent: 4302830 (1981-11-01), Homooka
patent: 4321701 (1982-03-01), Kusaka

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