System and method for efficient wide dynamic range coil drive

Details System and method for efficient wide dynamic range coil drive System and method for efficient wide dynamic range coil drive

2007-02-14

2009-08-25

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Linear-movement motors

C318S687000, C318S671000, C318S592000, C310S012060, C310S013000, C310S014000, C310S015000, C310S017000, C310S036000, C074S126000, C074S128000, C267S136000, C267S137000, C267S140110, C267S140500

Reexamination Certificate

active

07579793

ABSTRACT:
Methods and systems are provided for driving one or more force coils. A system for driving force coils is provided including a PWM drive coupled to a first coil and a linear drive coupled to a second coil. The PWM drive efficiently drives the first coil to apply a first force. The linear drive drives the second coil to apply a second force that is substantially noise-free. The first force is greater than the second force.

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patent: 2007/0013895 (2007-01-01), Okada
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