Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1992-07-17
1992-12-22
McElheny, Jr., Donald
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
360 7814, G11B 2110
Patent
active
051738872
ABSTRACT:
A method for controlling the operation of a disk player pickup control system includes the steps of reading position data representing the present position of a pickup from a disk, calculating the distance from the present position to the home position of the pickup according to the position data thus read, and moving the pickup to the home position according to the distance thus calculated. The above-described method for operating the control system is particularly advantageous in that it allows the pickup of a disk player, which does not include a mechanical limit switch, to be moved to the home position.
REFERENCES:
patent: 4593329 (1986-06-01), Hayakama
patent: 4685007 (1987-08-01), Nazarian et al.
patent: 4710832 (1987-12-01), Itoh
patent: 4752922 (1988-06-01), MacAnally et al.
patent: 4805162 (1989-02-01), Stahl et al.
patent: 4879705 (1989-11-01), Aoyagi et al.
Patents Abstracts of Japan, P-657, Jan. 21, 1988, vol. 12/No. 19 (Japanese Abstract Publication No. 62-173634).
Patents Abstracts of Japan, P-708, May 26, 1988, vol. 12/No. 178 (Japanese Abstract Publication No. 62-287429).
Abe Hiroyuki
Aoyagi Yoshio
McElheny Jr. Donald
Pioneer Electronic Corporation
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