Abstract #0707
RF Gated Wireless Power Transfer System
Kelly Byron 1 , Pascal Stang 2 , Shreyas Vasanawala 3 , John Pauly 1 , and Greig Scott 1
1
Electrical Engineering, Stanford University,
Stanford, CA, United States,
2
Procyon
Engineering, CA, United States,
3
Radiology,
Stanford University, Stanford, California, United States
Wireless power transfer is a method that could be used
to power wireless MRI coils, as well as send a
synchronization signal for wireless coils. Our proposed
system is capable of delivering power inside an MRI bore
without degrading the image quality, due to our use of
RF gating to stop power transmission during the MRI
receive time, while continuing to power the load with a
storage capacitor. We are also able to continuously send
a synchronization tone with minimal impact on the image
quality up to a 5-7W transmission threshold.
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