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Self-calibrating 3D machine measuring system useful in motor vehicle wheel alignement

A technology for calibrating measurement and measurement devices, applied in measurement devices, instruments, optical devices, etc., can solve problems such as unfavorable operation, time-consuming and so on

Inactive Publication Date: 2007-03-21
SNAP ON INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This is time consuming and costly, and not conducive to operational

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  • Self-calibrating 3D machine measuring system useful in motor vehicle wheel alignement
  • Self-calibrating 3D machine measuring system useful in motor vehicle wheel alignement
  • Self-calibrating 3D machine measuring system useful in motor vehicle wheel alignement

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Embodiment Construction

[0035] Detailed description of the preferred embodiment

[0036] Techniques will be provided for providing a system having a plurality of devices wherein the position of one of the plurality of devices relative to another of the plurality of devices is self-calibrating. Here, the techniques are described with a wheel aligner that has two camera pods, where each camera pod contains two alignment cameras, and the position of one camera pod relative to the other is self-calibrating of.

[0037] In the following description, for purposes of explanation, numerous specific details are given in order to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that these details may not be required to practice the present invention. In other cases, some known structures and devices will be shown in the form of block diagrams in order to highlight the essence of the present invention.

[0038] Figure 1 shows an aligner 100 having tw...

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PUM

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Abstract

Techniques are disclosed for providing a system that has a plurality of devices in which the position of a device of the plurality of devices relative to another device of the plurality of devices is self-calibrated. In one embodiment, the system is a five-camera aligner for use in aligning motor vehicle wheels. In this embodiment, the aligner includes a first camera pod having two alignment cameras and a calibration camera, and a second camera pod having another two alignment cameras and a calibration target.

Description

[0001] related application [0002] This application claims priority to US Provisional Application No. 60 / 224,891, filed August 14, 2000, entitled "Self-Calibrating Three-Dimensional Machine Measurement System for Motor Vehicle Wheel Alignment." field of invention [0003] Generally, the present invention relates to motor vehicle wheel alignment, and more particularly, the present invention provides a self-calibrating aligner with multiple cameras for aligning multiple wheels on one side of a vehicle. Background of the invention [0004] Machine vision measurement systems have many applications. For example, computer-aided three-dimensional (3D) machine image alignment apparatus and related alignment methods are applied to align the wheels of vehicles. In US5,724,743 (1998, 3, 10) entitled "Method and Apparatus for Determining the Alignment of Motor Wheels" by Jackson et al. and "Method and Apparatus for Determining Alignment of Motor Wheels" by Jackson et al. An example o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/275G01B11/00G01B21/00G01B21/26
CPCG01B2210/12G01B2210/26G01B2210/303G01B2210/143G01B11/2755G01B2210/30
Inventor 大卫·A·杰克逊斯蒂芬·格利克曼霍尚·什罗夫布雷恩·M·布利文迈克尔·J·克林三世
Owner SNAP ON INC
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