Patent

Wheel toe and camber measurement system

Recognition Robotics, Inc.

US 9,702,694 B2GrantedGranted Jul 11, 2017Filed Jun 9, 2014

A system for measuring wheel alignment includes at least one camera and at least one processor in communication with the camera. The camera captures an image of a test wheel. The processor processes the captured image to measure the wheel alignment.

Claims
13
3 independent claims
Filing to grant
3.1 years
Pendency
CPC classes
5
G01B

1ClaimsFirst of 13

  1. 1

    A method for measuring wheel alignment comprising: using at least one camera to obtain at least one image of a test wheel that rotates about a z-axis; using at least one processor in communication with the at least one camera to locate an outer curve in the at least one image based on a difference of reflectivity on surfaces of the test wheel; using the at least one processor to locate a perspective center for the outer curve; using the at least one processor to locate the z-axis, wherein the…

2Description

Background

Non-contact vehicle wheel alignment measuring systems either use (1) structured light (i.e., light sources able to project a line of light onto the wheel) or (2) non-structured light. While structured light typically does not require the use of optical targets, the linear light projected onto the wheel can be a concern to operators of the vehicle alignment measuring system and their employers.…

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