Two axis electromagnetic actuator with axis balanced suspension

Details Two axis electromagnetic actuator with axis balanced suspension Two axis electromagnetic actuator with axis balanced suspension

1985-10-30

1989-03-14

Faber, Alan

Dynamic information storage or retrieval

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

Mechanism control by the control signal

369 44, 350247, 350255, G11B 709, G02B 702

Patent

active

048130338

ABSTRACT:
A two axis electromagnetic actuator is designed for moving an optical element in an optical or magneto-optical recorder. The actuator has balanced, crossed, electro-magnetic coil structures supported by two sets of leaf springs and positioned in dual air gaps for motion in a direction which is the vector sum of the movement in two orthogonal directions. In the actuator the motive forces and the masses of the moving elements are centered on the axis of major motion. Also leaf springs, that allow the major motion, have their forces balanced about the axis of major motion.

REFERENCES:
patent: 4462096 (1984-07-01), Kusaka
patent: 4507764 (1985-03-01), Musha
patent: 4507765 (1985-03-01), Suzuki et al.
patent: 4516231 (1985-05-01), Michaelis
patent: 4568142 (1986-02-01), Iguma
patent: 4592037 (1986-05-01), Ohnuki
patent: 4607913 (1986-08-01), Jansen
patent: 4613202 (1986-09-01), Kuriyama
patent: 4633456 (1986-12-01), Luecke
patent: 4646283 (1987-02-01), Ito et al.
Patent Abstracts of Japan, vol. 6, No. 200 (E-135) (1078), 10/9/82, JP-57-110069.

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