Magnetic disk drive reducing influence of rigidity of...

Details Magnetic disk drive reducing influence of rigidity of... Magnetic disk drive reducing influence of rigidity of...

2006-01-31

2006-01-31

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

06992850

ABSTRACT:
A magnetic disk drive having a two-stage actuator function and a TAF slider function comprises: signal superposing means6to reduce the number of transmission lines to be employed, by merging the control signal for a piezoelectric element37for the two-stage actuator function and the control signal for a heating resistor38for the TAF slider function into a single type of signal on preamplifier26side of the spring-load position; and signal separating means for separating the merged signal into the control signal for piezoelectric element37for the two-stage actuator function and the control signal for a heating resistor38for the TAF slider function on magnetic head14side of the spring-load position by use of interline crosstalk to control the respective functions.

REFERENCES:
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patent: 2003/0142445 (2003-07-01), Maimone et al.
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patent: 2002-093086 (2002-03-01), None

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