Optical data storage system with unitary ferrous frame

Details Optical data storage system with unitary ferrous frame Optical data storage system with unitary ferrous frame

1991-05-09

1993-02-23

Shepperd, John W.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369219, 369220, 369244, 369249, 360106, G11B 2102, G11B 1730, G11B 1700

Patent

active

051896605

ABSTRACT:
A moving coil, linear positioning transducer actuator suitable for optical recording and playback devices is constructed by forming the actuator frame, magnetic pole pieces and the magnetic core of the moving coil from a single piece of ferrous material and wherein the path of the moving coil and transducer are substantially collinear. The transducer is supported by parallel rails which are mounted to the frame.

REFERENCES:
patent: 4590529 (1986-05-01), Nikaido et al.
patent: 4812934 (1989-03-01), Suzuki et al.
patent: 4886957 (1989-12-01), Glaberson et al.
patent: 4916684 (1990-04-01), Odawara et al.
patent: 5012372 (1991-04-01), Isomura et al.
patent: 5043964 (1991-08-01), Suzuki

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