NASA NTRS · 19770000289
Batteryless implanted echosonometer
Abstract
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.
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Kojima, G. K.. 1977-11-01. Batteryless implanted echosonometer. https://ntrs.nasa.gov/citations/19770000289
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