| http://www.w3.org/ns/prov#value | - system including at least three accelerometers and mass memory and method for recording in real-time orthogonal acceleration data of a headUS6046531 *1 juil. 19984 avr. 2000Ngk Insulators, Ltd.Vibrator, vibratory gyroscope, and linear accelerometerUS6125701 *12 f???vr. 19993 oct. 2000Toyota Jidosha Kabushiki KaishaAngular velocity detecting apparatusUS61927568 f???vr. 199927 f???vr. 2001Ngk Insul
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