Disk playback apparatus

Details Disk playback apparatus Disk playback apparatus

1993-12-17

1994-12-13

Look, Edward K.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Access of multiple storage elements

369239, 369266, 318 39, 318 51, G11B 509, G11B 1552

Patent

active

053734955

ABSTRACT:
A disk playback apparatus designed such that the linear velocity of the disk is stabilized during a short period corresponding to one to several revolutions of the disk and occurrence therein of vibration and noise is suppressed is disclosed. The apparatus is characterized in that the revolving axis of the turntable on which the disk is mounted is driven by a low-torque spindle motor and the wheel effect of the revolving axis or the spindle motor is made larger.

REFERENCES:
patent: 4239237 (1980-12-01), Pyles
patent: 4338683 (1982-07-01), Furukawa et al.
patent: 4417332 (1983-11-01), Kelleher
patent: 4575835 (1986-03-01), Nishikawa et al.
patent: 5001570 (1991-03-01), Tagawa
patent: 5050145 (1991-09-01), Yoshida
patent: 5063552 (1991-11-01), Shigemori
patent: 5067121 (1991-11-01), Einhaus
patent: 5093820 (1992-03-01), Maeda et al.

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