Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Patent
1987-01-28
1989-02-28
Psitos, Aristotelis M.
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
369 58, 360 73, G11B 1552
Patent
active
048092487
ABSTRACT:
A memory apparatus which is comprised within a computer or adapted to a peripheral apparatus of computer and also comprises a rotary apparatus which rotates a disk as an information recording medium, a rotation detector which detects rotating position of which controls rotation of said rotary apparatus said disk, a rotation control apparatus based on detection result of such rotation detector, a head which records and/or reads information to be stored in said disk and arranged opposed to the information recording surface of said disk and a detecting element which is responsive to an operation command output to said rotary apparatus from said rotation control apparatus and detects a pulse interval of rotary pulse signals of said rotation detector during the period from input of operation command output to said rotary apparatus from said rotation control apparatus to completion of the operation of command content of said rotary apparatus.
REFERENCES:
patent: 4388713 (1983-06-01), Tatsuguchi
patent: 4672595 (1987-06-01), Senso
patent: 4680746 (1987-07-01), Senso
Mitsubishi Denki & Kabushiki Kaisha
Psitos Aristotelis M.
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