Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1994-05-23
1996-03-26
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
180274, 280735, 340555, 25022716, H01J 516
Patent
active
055023010
ABSTRACT:
A fiber optic sensor for the sensing of forces imposed on the sensor in a predetermined direction comprises a housing and an optical fiber of a type which is self-deformable in response to forces imposed on the sensor. The housing retentively engages first and second opposed ends of the fiber and places the fiber in tangential contiguity with an interior surface of the housing. The housing defines a cavity aside the fiber permitting movement of the fiber therein and distal from the tangential contiguity thereof with the interior surface. In the predetermined force imposition direction, the cavity is successive to the interior surface of the housing. A system is provided for generating an input signal for control of automobile occupant protection apparatus of an automobile having a preselected forward travelling direction, the system comprising first apparatus, inclusive of a first fiber optic sensor responsive to first forces imposed thereon in a first direction opposite the preselected forward travelling direction, for providing a first output indicative of characteristics of the first forces, second apparatus, inclusive of a second fiber optic sensor responsive to second forces imposed thereon in a second direction different from the direction opposite the preselected forward travelling direction, for providing a second output indicative of characteristics of the second forces and third apparatus responsive to the first and second outputs for selectively generating the input signal.
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Abbruzzese Salvatore J.
Le Que T.
Thomas & Betts Corporation
Westin Edward P.
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