Temperature compensation for data storage apparatus

Details Temperature compensation for data storage apparatus Temperature compensation for data storage apparatus

1977-01-26

1978-10-17

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

318634, 360109, G11B 556

Patent

active

041212657

ABSTRACT:
The positioning of the head positioning mechanism of a magnetic disc file is controlled by a servo system arrangement which involves separately monitoring the temperature conditions in the vicinity of the center track of a disc file and the head positioning mechanism; producing related electrical signals which are used in conjunction with signals defining the address of a required track of a disc and a reference voltage to obtain a temperture corrected signal which is used to produce a head positioning control signal.

REFERENCES:
patent: 3531789 (1970-09-01), Halfhill et al.
patent: 3753254 (1973-08-01), Ruble et al.
patent: 3757189 (1973-09-01), Buchan
patent: 3900782 (1975-08-01), Hammerschmitt

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