Triaxial Accelerometer for Placement Inside the Ear Canal

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A second generation MEMS-based in-ear shock measurement system fitting deep into the ear canal has been developed to measure traumatic brain injury (TBI). It consists of the world’s smallest triaxial accelerometer die, a shielded flex circuit for signal transmission, a 3-axis analog signal conditioning module, and an instrumentation data recorder using flash memory which supplies excitation voltage, adjustable anti-aliasing filtering and amplification. It is the world’s first and only triaxial accelerometer to fit deep inside the ear canal. Applications for this device are in motorsports, football and military missions.

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Journal: TechConnect Briefs
Volume: 2, Nanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational
Published: June 21, 2010
Pages: 376 - 377
Industry sector: Sensors, MEMS, Electronics
Topic: MEMS & NEMS Devices, Modeling & Applications
ISBN: 978-1-4398-3402-2