Circuitry for powering on and maintaining activation of a...

Details Circuitry for powering on and maintaining activation of a... Circuitry for powering on and maintaining activation of a...

2011-01-11

2011-01-11

Zimmerman, Brian A (Department: 2612)

Communications: electrical

Continuously variable indicating

With meter reading

C307S117000, C607S027000

Reexamination Certificate

active

07868779

ABSTRACT:
Circuitry for automatically powering on and maintaining activation of a powered down electronic component in a first device in RF communication with a second device, wherein the first and second devices are preferably an implantable medical device and an external control device, respectively. The system including power logic circuitry for generating a power on signal to automatically close a switch and energize an otherwise powered off electronic device when the power induced in the first device by external RF energy transmitted in the RF communication signal exceeds a minimum operating threshold of the power on logic circuitry. The electronic component while powered by the power source generates a hold signal and a second power signal that is transmitted to the power on logic circuitry to sustain power to the electronic component irrespective of interruptions of relatively short duration for less than a predetermined period of time in RF communication.

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