Patent ID: 7650192

Claim:
An external power source for an implantable medical device implantable in a patient, said implantable medical device having a secondary coil operatively coupled to therapeutic componentry, comprising: a power source; a modulation circuit operatively coupled to said power source; an article into which said patient may come into proximity; a plurality of primary coils operatively coupled to said modulation circuit and physically associated with said article; said modulation circuit driving at least one of said plurality of primary coils; and a sensor coupled to said modulation circuit and adapted to sense proximity of a component related to said implantable medical device; wherein said external power source automatically turns on and initiates a charging process without overt action by said patient; wherein said modulation circuit automatically commences operation to drive at least one of said plurality of primary coils when said sensor senses proximity with said component related to said implantable medical device.