BUMPER SENSOR
First Claim
1. A bumper sensor having:
- a bumper body for an automobile vehicle;
a plurality of optical fibers consisted of cores and claddings provided on outer circumferences of the cores, having sensor portions for enabling interaction of portions of transmitted light with the external environment, and being provided so that the sensor portions are arranged at a plurality of positions on a surface forming the front surface of the bumper body and/or inside the bumper body by being buried in a surface layer portion of the bumper body or being provided on the front surface and/or being buried inside said bumper body;
a light source for emitting incident light to incident ends of the optical fibers; and
a light receiving portion for detecting lights emitted from emitting ends of the optical fibers via the sensor portions.
2 Assignments
0 Petitions
Accused Products
Abstract
A bumper sensor able to obtain a grasp of a change of shape of a bumper in two dimensions or three dimensions, able to sense a size etc. of a contacting object, and able to be made simple in system configuration is provided. A plurality of optical fibers (20a, 20b) having sensor portions are provided in a surface layer portion or on the front surface of a bumper body 10 for an automobile vehicle, each optical fiber is consisted of a core and a cladding provided on an outer circumference of the core, sensor portions enabling interaction of a portion of transmitted light with the external environment are two-dimensionally arranged at a plurality of positions on a surface forming the front surface of the bumper body, and provision is further made of a light source 11 for emitting incident light to incident ends of optical fibers, and a light receiving portion 13 for detecting beams emitted from emitting ends of optical fibers via sensor portions.
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Citations
10 Claims
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1. A bumper sensor having:
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a bumper body for an automobile vehicle; a plurality of optical fibers consisted of cores and claddings provided on outer circumferences of the cores, having sensor portions for enabling interaction of portions of transmitted light with the external environment, and being provided so that the sensor portions are arranged at a plurality of positions on a surface forming the front surface of the bumper body and/or inside the bumper body by being buried in a surface layer portion of the bumper body or being provided on the front surface and/or being buried inside said bumper body; a light source for emitting incident light to incident ends of the optical fibers; and a light receiving portion for detecting lights emitted from emitting ends of the optical fibers via the sensor portions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification