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This paper presents a magnetically coupled bandpass filter (BPF) approach for power distribution to multiple implanted devices. The BPF design approach accounts for the multiple loads and enables maximum power transfer into each individual receiver for given coupling coefficients between the coils. The proposed concept is demonstrated by showing power distribution to two identical receivers below...
This paper shows measurement of intraocular pressure (IOP) within a mouse eye. Three main challenges faced the development of a device for the measurement: the size of the mouse eye, the depth of the anterior chamber where the device will be implanted, and the maximum allowable incision size. These factors all limit the size of the device. In addition, a novel detection scheme is required which enables...
This paper presents for the first time a novel concept for monitoring the resonant frequency of electrostatic MEMS tunable high-Q evanescent-mode cavity resonators through capacitance measurement. The proposed scheme relies on the fact that there is a one-to-one correspondence between the actuation capacitance Cs and the resonant frequency f0. This relationship is derived theoretically using a spring-mass...
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