DISK RECORD MEDIUM AND ITS DATA WRITING AND/OR READING DEVICE Russian patent published in 2002 - IPC

Abstract RU 2186427 C2

FIELD: computer engineering. SUBSTANCE: disk record medium 1 is, essentially, control signal carrying disk. Control signal includes data on diameter. Data writing and/or reading device has drive mechanism 2 designed to set disk record medium 1 in rotary motion. Device also has control unit 5 that functions to vary gain of control circuit 2, 3, 7, 8, 89 for controlling rpm of data medium 1 in response to control signal entered in record medium. EFFECT: ability of using media of different diameters upon coordinating diameter of writing/reading device with that of record medium. 6 cl, 2 dwg

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RU 2 186 427 C2

Authors

Mons Jokhannes Jan

Dates

2002-07-27Published

1995-10-31Filed