System for the selective activation of functions in an...

Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems

Reexamination Certificate

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Reexamination Certificate

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06963779

ABSTRACT:
An implantable medical device that includes a magnetic sensor circuit that senses the presence of an external magnetic field and provides a signal that is proportionate to the strength of the magnetic field. The implantable medical device uses the variable signal to determine whether a magnetic field is being applied that is selected to activate a preselected function. In one implementation, the preselected function is a power up sequence.

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patent: 6370433 (2002-04-01), Hartlaub et al.
patent: 2003/0144704 (2003-07-01), Terry et al.

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