Miniature ultrasonic echosonometer implanted within laboratory animals obtains energy from RF power oscillator that is electronically transduced via induction loop to power receiving loop located just under animal's skin. Method of powering device offers significant advantages over those in which battery is part of implanted package.
Batteryless implanted echosonometer
NASA Tech Briefs ; 2 , 3
1977-11-01
Miscellaneous
No indication
English
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