Tire inspection method

Details Tire inspection method Tire inspection method

2008-07-15

2008-07-15

Thomas, Courtney (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Absorption

C378S062000

Reexamination Certificate

active

07400702

ABSTRACT:
The electromagnetic radiation source arranged at the first position apart from the tire irradiates the electromagnetic radiation rays to the first and second points on the tire, respectively, and the first and second coordinates on the camera are acquired, the first and second coordinates corresponding to the first and second points, respectively. The electromagnetic radiation source moved from the first position to the second position along with an axial direction irradiates the electromagnetic radiation rays to the first and second points, respectively, and the third and fourth coordinates on the camera are acquired, the third and fourth coordinates corresponding to the first and second points, respectively. The coordinate of the first point is found by finding the intersection of the straight line connected between the first point and the first coordinate and the straight line connected between the second point and the third coordinate. At the same time, and the coordinate of the second point is found by finding the intersection of a straight line connected between the first position and the second coordinate and the straight line connected between the second position and the fourth coordinate. The real distance between the first point and the second point is calculated based on the coordinates of the first and second points. The length between the first point and the second point on the image is transformed into the real distance between the first point and the second point.

REFERENCES:
patent: 6-341930 (1994-12-01), None

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