Circuit and method for protecting emergency head-retract...

Details Circuit and method for protecting emergency head-retract... Circuit and method for protecting emergency head-retract...

2006-07-12

2008-10-14

Olson, Jason C (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C320S166000, C361S015000

Reexamination Certificate

active

07436618

ABSTRACT:
A protection circuit for a capacitor comprises a voltage pump that selectively charges the capacitor. A current source selectively charges the capacitor. A controller compares a charging voltage to a threshold charging voltage and selects at least one of the voltage pump and the current source based on the comparison.

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