Method and apparatus for measuring the weight of a vehicle while the vehicle is in motion
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United States of America Patent
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Dec 24, 1985
Grant Date -
N/A
app pub date -
Dec 14, 1983
filing date -
Dec 14, 1983
priority date (Note) -
Expired
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Abstract
The present invention relates to an inexpensive, portable, and accurate method and apparatus for calculating the weight of a vehicle while it is in motion. The apparatus to which the present invention relates is in the field of Weigh-In-Motion devices. In the present invention, an optical fiber is embedded into a matrix such as a rubber pad and a multiplicity of microbending fixtures are distributed along the path of the optic fiber. Then as the wheels of a vehicle pass over the pad the force of the wheels cause the microbending fixtures over which they pass to pinch together and attenuate the light which is transmitted through the optic fiber. The light transmitted through the optic fiber from a light source at one end of the optic fiber is received by a light receiver at the other end of the optic fiber. Then by measuring the amount of light input and the net amount of light output, and calibrating the device, the weight of each axle and the weight of the vehicle above that axle can be measured. By successively measuring the weight of each such axle and its associated portion of the vehicle as it passes over the pad, the combined weight of the axles can be linearly added together to arrive at the total weight of the vehicle.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ANCO ENGINEERS, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Barrett, Donald C | Venice, CA | 6 | 158 |
Ibanez, Paul | Woodland Hills, CA | 4 | 82 |
Stoessel, John | Santa Monica, CA | 1 | 50 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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