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First Technology Safety Systems, Inc.

Ali M Elhagediab

Yue Huang

Eric J Stanley

A sensing system () for a device () contains a light absorbing or scattering object (). An illumination device () generating and emitting an illumination beam into the object (). A first light filter () has at least one associated light spectrum filtering frequency. A first light sensor () is coupled to the first light filter (), receives a first object-emitted portion of the illumination beam, and generates a first signal in response to the first portion. A second light filter () has at least one associated light spectrum filtering frequency. A second light sensor () is coupled to the second light filter (), receives a second objected-emitted portion of the illumination beam, and generates a second signal in response to the second portion. A controller () generates a parameter signal, associated with a characteristic of the object, in response to the first signal and the second signal.

Biofidelic displacement measuring system for an anthropomorphic testing device

A measurement system is provided for a ball joint of a crash test dummy. The measurement system includes a light source operatively supported by a movable ball of the ball joint and a position sensitive detector operatively supported by a fixed member of the ball joint. The measurement system also includes a controller electrically connected to the light source to provide power to the light source for emitting light and electrically connected to the position sensitive detector that receives the emitted light to measure at least two angles between the ball and the fixed member.

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Dearborn, MI, United States of America

Ali M Elhagediab