Abstract
Abstract: Implanted telemetry systems provide the ability to monitor different species of animals while they move within theircages. Species monitored include mice, rats, rabbits, dogs, pigs, primates, sheep, horses, cattle, and others. A miniaturetransmitter implanted in each animal measures one or more parameters. Parameters measured include arterial pressure,intra-pleural pressure, left ventricular pressure, intra-ocular pressure, bladder pressure, ECG, EMG, EEG, EOG, temperature,activity, and other parameters and transmits the data via radio frequency signals to a nearby receiver. Every conventionaldedicated transmitter contains one or more sensors, cpu and battery. Due to the expected life of the battery, the measuring timeis limited. To overcome these problems, electromagnetic inductiv e coupling based wireless power transmission technology usingmultiple transmit coils were proposed, with each coil having a different active area driven by the coil driver. In this research, aparallel resonance based coil driver and serial resonance based coil driver are proposed. From the experiments we see that theparallel coil driver shows better performance under a low impedance and multiple coils configuration. However, the serial coildriver is more efficient for high impedance transmit coils.Keywords: implanted telemetry device, electromagnetic inductive, wireless power transmission technology
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