Nano Science and Technology Institute
Nanotech 2010 Vol. 2
Nanotech 2010 Vol. 2
Nanotechnology 2010: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational
Chapter 6: MEMS & NEMS Devices

Triaxial Accelerometer for Placement Inside the Ear Canal

Authors:T. Kwa, G. Pender, J. Letterneau
Affilation:Endevco Corporation, Meggitt Sensing Systems, US
Pages:376 - 377
Keywords:accelerometer, triaxial, in-ear, shock, brain, trauma, TBI
Abstract: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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