Transmission mechanism for magnetic-field generating device in p

Details Transmission mechanism for magnetic-field generating device in p Transmission mechanism for magnetic-field generating device in p

1992-06-17

1994-07-19

Pascal, Robert J.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, G11B 1304

Patent

active

053316118

ABSTRACT:
A recording/reproducing apparatus equipped with an optical pickup device movably disposed in opposed relation to a recording medium for applying a light beam to the recording medium to receive light reflected from the recording medium, and further equipped with a magnetic-field generating device also movably disposed in opposed relation to the recording medium for generating a magnetic field with respect to the recording medium. The optical pickup device and the magnetic-field generating device are coupled to each other through a power transmission device whereby the magnetic-field generating device is driven in connection with a movement of the optical pickup device. The magnetic-field generating device is supported by a rotatable supporting member, and the power transmission device comprises a projection attached to the supporting member and a lever having a configuration engageable with the projection. The projection is arranged to come into contact with a portion of the optical pickup device when the optical pickup device is moved in a first predetermined direction whereby the supporting member is rotatable in a second predetermined direction. The rotating movement of the supporting member is controlled in accordance with the engaging state of the projection with the lever.

REFERENCES:
patent: 5027334 (1991-06-01), Yamanaka et al.
patent: 5122998 (1992-06-01), Mizuno et al.
patent: 5179544 (1993-01-01), Hezemans et al.
patent: 5193080 (1993-03-01), Mohri et al.
patent: 5239532 (1993-08-01), Hensing et al.

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