Dynamic information storage or retrieval – Storage or retrieval by simultaneous application of diverse... – Magnetic field and light beam
Patent
1995-05-31
1997-07-15
Font, Frank G.
Dynamic information storage or retrieval
Storage or retrieval by simultaneous application of diverse...
Magnetic field and light beam
369 752, 369 772, 360 59, 360114, 365 12, G11B 1100, G11B 3302, G11B 500
Patent
active
056489439
ABSTRACT:
A disk recording/reproduction device according to the present invention includes: a recording medium including a disk and a protective case for the disk; loading mechanism for guiding the recording medium from a first position outside the disk recording/reproduction device in a first direction in a linear manner, then to a second position located inside the disk recording/reproduction device, and thereafter in a second direction perpendicular to the first direction to a third position, the first position allowing the recording medium to be taken out and the third position allowing information to be recorded on the recording medium; a pickup; a pickup driving mechanism for moving the pickup in parallel to a recording face of the disk; a magnetic head opposing the pickup so as to interpose the disk and moving in parallel to the disk integrally with the pickup; and head position switching mechanism for detaching the magnetic head from the disk and positioning the magnetic head in either a recordable position or a stand-by position. A position retention mechanism locates the recording medium in a fourth position between the second and third positions. The magnetic head moves to the recordable position when the recording medium is in the third position. The magnetic head and the pickup move between a position opposing the protective case and a retracted position away from the position opposing the protective case. When the recording medium is in the fourth position, the magnetic head and the pickup are moved from the position opposing the protective case to the retracted position and from the retracted position to the position opposing the protective case.
REFERENCES:
patent: 5416753 (1995-05-01), Kanazawa et al.
patent: 5471356 (1995-11-01), Tsuji
Fujii Seiichi
Katayama Yoshio
Katsuki Masanobu
Omi Yoshiyuki
Tsuji Shigeki
Eisenberg Jason D. Vierra
Font Frank G.
Sharp Kabushiki Kaisha
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