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Fig. 10 | BioMedical Engineering OnLine

Fig. 10

From: A technical review and evaluation of implantable sensors for hearing devices

Fig. 10

Frequency responses sensitivity frequency responses of a the subcutaneous microphones A1 [9] and A2 [10] under patients’ skin, microphone A4 in a free field and under the skin [50]; b the electromagnetic sensor B [51] in human TBs (malleus), the capacitive microphone G in guinea pigs (ME cavity) [12], the piezoelectric force transducers H1 in cats (incus) [14] and H3 in a synthetic ossicular chain (incudostapedial joint) [55], the piezoelectric accelerometer I in TBs (incus) [73]; c the piezoresistive MEMS accelerometer D (incus) [16], the capacitive MEMS displacement sensors E1 [22] and E2 [20] in human TBS (umbo), the capacitive MEMS accelerometers F1 [21] and F2 [23] in human TBs (umbo), and the piezoelectric MEMS accelerometer J2 [18] in human TBs (umbo)

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