US20070150230A1 - System and method for generating a scanning program for a stand-alone measuring equipment - Google Patents
System and method for generating a scanning program for a stand-alone measuring equipment Download PDFInfo
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- US20070150230A1 US20070150230A1 US11/552,980 US55298006A US2007150230A1 US 20070150230 A1 US20070150230 A1 US 20070150230A1 US 55298006 A US55298006 A US 55298006A US 2007150230 A1 US2007150230 A1 US 2007150230A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
Definitions
- the present invention generally relates to systems and methods for programming measuring equipments, and more particularly to a system and method for generating a scanning program for a stand-alone measuring equipment.
- measuring equipments have become more complex during configuration, thus, causing more using difficulties.
- 3D measuring equipments have high measuring precisions and high measuring speeds when measuring physical dimensions and geometric tolerances of a product.
- the 3D measuring equipments are programmed with a measuring program created by a computer.
- the computer is configured in the 3D measuring equipment, and co-works with the 3D measuring equipment together.
- a system for generating a scanning program for a stand-alone measuring equipment is executed in a first computer which is linked with a measuring equipment.
- the measuring equipment includes a second computer installed measuring software.
- the system includes: an input module configured for receiving scanning mode parameters, scanning output parameters, and for selecting a set of surfaces of a workpiece for generating corresponding probing points on the surfaces, the scanning output parameters comprising output types of the probing points in each surface selected; a calculating module configured for calculating a total column count and a total row count of all probing points in all the surfaces selected, and calculating a normal vector corresponding to a surface of each probing point according to the scanning mode parameters and the surfaces selected of the workpiece, obtaining a probing point coordinate multidimensional array according to the probing point coordinates on all of the surfaces selected, checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates, a significant probing point coordinate meaning that
- a computer-based method for generating a scanning program for a stand-alone measuring equipment includes the steps of: (a) receiving scanning mode parameters, scanning output parameters, and selecting a set of surfaces of a workpiece for generating corresponding probing points on the surfaces, the scanning output parameters comprising output types of the probing points in each surface selected; (b) calculating a total column count and a total row count of all probing points in all the surfaces selected, and calculating a normal vector corresponding to a surface of each probing point according to the scanning mode parameters and the surfaces selected of the workpiece; (c) obtaining a probing point coordinate multidimensional array according to the probing point coordinates on all of the surfaces selected, (d) checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates, a significant probing point coordinate meaning that: there exists a deviated point that lies within the normal vector of the probing point coordinate or in an opposite
- FIG. 1 is a schematic diagram of a hardware configuration of a system for generating a scanning program for a stand-alone measuring equipment in accordance with a preferred embodiment
- FIG. 2 is a schematic diagram of main function modules of the system of FIG. 1 ;
- FIG. 3 is a flowchart of a preferred method for generating a scanning program for a stand-alone measuring equipment by utilizing the system of FIG. 1 .
- FIG. 1 is a schematic diagram of a hardware configuration of a system for generating a scanning program for a stand-alone measuring equipment in accordance with a preferred embodiment.
- the system 1 for generating the scanning program for a stand-alone measuring equipment (hereinafter, “the system 1”) is executable/invoked in a computer 3 .
- the computer 3 is a part of the measuring equipment 4 and is installed with measuring software 7 for executing the scanning program to measure a workpiece.
- the measuring equipment 4 further includes a measuring platform 2 linked to the computer 3 via a data cable.
- a probe 6 is configured on the measuring platform 2 for scanning the workpiece.
- the system 1 can also be executed with a plurality of clients 5 (only two shown) linked to the measuring equipment 4 . In an alternative embodiment, the clients 5 can further work independently without any type of communication links with the measuring equipment 4 .
- the system 1 includes a plurality of function modules.
- the function modules are configured for generating the scanning program executable by the measuring equipment 4 .
- the scanning program generated by the client 5 is transferred to the computer 3 .
- the computer 3 executes the scanning program by utilizing the measuring software 7 that controls the measuring platform 2 to measure the workpiece.
- the computer 3 receives measuring results transmitted from the measuring platform 2 through the data cable, analyzes the measuring results, and displays the measuring results analyzed in a chart.
- FIG. 2 is a schematic diagram of main function modules of the system 1 .
- the system 1 typically includes an input module 11 , a calculating module 12 , a plotting module 13 , a creating module 14 , a generating module 15 , an output module 16 , and a determining module 17 .
- the input module 11 is configured for receiving scanning mode parameters, scanning output parameters, and for selecting a set of surfaces of the workpiece in order to generate corresponding probing points on the surfaces.
- the scanning mode parameters may include three scanning modes for computing the number of probing points on each surface selected. The first mode receives a column count and a row count, and computes the number of probing points on each surface selected by multiplying the column count with the row count. The second mode receives a total number of probing points on each surface selected. The third mode determines the number of the probing points on each surface selected by performing a table search according to a color and an area of the surface selected.
- the output parameters include output types of the probing points on each surface selected. The output types may include a point type, a line type, a surface type, and a circle type. The output parameters may further include a plot path setting parameter for selecting whether or not to plot a probing path of the probe 6 while measuring the workpiece.
- the calculating module 12 is configured for calculating a total column count and a total row count of all probing points on all of the surfaces selected according to the scanning mode parameters and the surfaces selected of the workpiece, for calculating a normal vector of the probing point on each of the surfaces selected, for creating a probing point coordinate multidimensional array according to the probing point coordinates on all of the surfaces selected, for checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and for attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates.
- each probing point coordinate consists of a real probing point coordinate (x, y, z) and a normal vector N(i, j, k) of (x, y, z) corresponding to a surface of the probing point.
- a significant probing point coordinate ⁇ (x 1 , y 1 , z 1 ), N(i 1 , J 1 , k 1 ) ⁇ means that: there exists a deviated point that lies within the normal vector N(i 1 , j 1 , k 1 ) or in an opposite of the normal vector N(i 1 , j 1 , k 1 ) of the probing point coordinate (x, y, z) such that the deviated point lies within a mass of the workpiece.
- the probing point coordinate ⁇ (x 1 , y 1 , Z 1 ), N(i 1 , j 1 , k 1 ) ⁇ is insignificant, and should be deleted from the probing point coordinate multidimensional array.
- the plotting module 13 is configured for plotting probing paths of the probe 6 .
- the probe 6 moves through all the point coordinates in the significant probing point coordinate multidimensional array according to predetermined iteration of indices of the significant probing point coordinate multidimensional array.
- the creating module 14 is configured for creating a probing feature for the probing points on one surface selected according to the output types, and for storing identifications of the created probing features in a probing feature parameter queue.
- the creating module 14 creates a point feature by assimilating the probing points.
- the creating module 14 creates a line feature by assimilating the probing points.
- the creating module 14 creates a surface feature by assimilating the probing points.
- the creating module 14 creates a circle feature by assimilating the probing points.
- the generating module 15 is configured for generating a 3D scanning program for each probing feature according to the created probing feature parameter queue with probing feature identifications, and forming a control file by assimilating all the 3D scanning programs. In depth, the generating module 15 first generates a type name of each probing feature according to the type of the probing feature, then outputs corresponding probing point coordinates that are assimilated into the probing feature.
- the output module 16 is configured for transferring the control file generated in the client 5 to the computer 3 , and the computer 3 executes the control file by utilizing the measuring software 7 to measure the workpiece.
- the determining module 17 is configured for determining whether or not to plot probing paths of the probe 6 according to the plot path setting parameter received by the input module 11 .
- FIG. 3 is a flowchart of a method for generating the scanning program for the stand-alone measuring equipment by utilizing the system 1 .
- the input module 11 receives the scanning mode parameters, the scanning output parameters, and selects the set of surfaces of the workpiece for generating corresponding probing points on the surfaces selected.
- step S 102 the calculating module 12 calculates the total column count and the total row count of all probing points in all the surfaces selected, and calculates the normal vector corresponding to a surface of each probing point according to the scanning mode parameters and the surfaces selected of the workpiece, obtaining the probing point coordinate multidimensional array according to the total column count and the total row count, checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates.
- step S 104 the determining module 17 determines whether or not to plot probing paths of the probe 6 according to the plot path setting parameter received by the input module 11 . If the plot path setting parameter is not set to plot probing paths of the probe 6 , the procedure goes to step S 108 .
- step S 106 the plotting module 13 plots the probing paths of the probe 6 to measure the workpiece.
- the probe 6 moves through all the point coordinates in the significant probing point coordinate multidimensional array according to predetermined iteration of indices of the significant probing point coordinate multidimensional array.
- step S 108 the creating module 14 creates the probing feature for the probing points on one surface selected according to the output types, and for storing the identifications of the created probing features in the probing feature parameter queue.
- step S 110 the generating module 15 generates the 3D scanning program for each probing feature according to the probing feature parameter queue created with probing feature identifications, and forming the control file by assimilating all the 3D scanning programs.
- the generating module 15 first generates the type name of each probing feature according to the type of the probing feature, then outputs corresponding probing point coordinates that are assimilated into the probing feature.
- step S 112 the output module 16 transfers the control file generated in the client 5 to the computer 3 , and the computer 3 executes the control file by utilizing the measuring software 7 to measure the workpiece.
Abstract
Description
- 1. Field of the Invention
- The present invention generally relates to systems and methods for programming measuring equipments, and more particularly to a system and method for generating a scanning program for a stand-alone measuring equipment.
- 2. Description of related art
- With improvements of measuring equipment precisions, measuring equipments have become more complex during configuration, thus, causing more using difficulties.
- Currently, 3D measuring equipments have high measuring precisions and high measuring speeds when measuring physical dimensions and geometric tolerances of a product. For the purpose of measuring physical dimensions and geometric tolerances of a product with high measuring precision and high measuring speed, the 3D measuring equipments are programmed with a measuring program created by a computer. The computer is configured in the 3D measuring equipment, and co-works with the 3D measuring equipment together.
- When programming a measuring program especially when programming required measuring equipments, it needs to determine probing points of the measured product manually. This leads to quite a few disadvantages. Firstly, there are too many repetitive operations, thus having low efficiency. Secondly, the probing points may not be conformed to a regular pattern.
- What is needed, therefore, is a system and method for generating a scanning program for a stand-alone measuring equipment, which can ensure reasonableness and high efficiency of probing point distributions.
- A system for generating a scanning program for a stand-alone measuring equipment is executed in a first computer which is linked with a measuring equipment. The measuring equipment includes a second computer installed measuring software. The system includes: an input module configured for receiving scanning mode parameters, scanning output parameters, and for selecting a set of surfaces of a workpiece for generating corresponding probing points on the surfaces, the scanning output parameters comprising output types of the probing points in each surface selected; a calculating module configured for calculating a total column count and a total row count of all probing points in all the surfaces selected, and calculating a normal vector corresponding to a surface of each probing point according to the scanning mode parameters and the surfaces selected of the workpiece, obtaining a probing point coordinate multidimensional array according to the probing point coordinates on all of the surfaces selected, checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates, a significant probing point coordinate meaning that: there exists a deviated point that lies within the normal vector of the probing point coordinate or in an opposite of the normal vector such that the deviated point lies within a mass of the workpiece; a creating module configured for creating a probing feature for the probing points on each surface selected according to the output types, and for storing identifications of the probing features in a probing feature parameter queue; a generating module configured for generating a 3D scanning program for each probing feature according to the probing feature parameter queue with probing feature identifications, and forming a control file by assimilating all the 3D scanning programs; and an output module configured for transferring the control file to the second computer, and for executing the control file by utilizing the measuring software to measure the workpiece.
- A computer-based method for generating a scanning program for a stand-alone measuring equipment is provided. The method includes the steps of: (a) receiving scanning mode parameters, scanning output parameters, and selecting a set of surfaces of a workpiece for generating corresponding probing points on the surfaces, the scanning output parameters comprising output types of the probing points in each surface selected; (b) calculating a total column count and a total row count of all probing points in all the surfaces selected, and calculating a normal vector corresponding to a surface of each probing point according to the scanning mode parameters and the surfaces selected of the workpiece; (c) obtaining a probing point coordinate multidimensional array according to the probing point coordinates on all of the surfaces selected, (d) checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates, a significant probing point coordinate meaning that: there exists a deviated point that lies within the normal vector of the probing point coordinate or in an opposite of the normal vector such that the deviated point lies within a mass of the workpiece; (e) creating a probing feature for the probing points on each surface selected according to the output types, and storing identifications of the probing features in a probing feature parameter queue; (f) generating a 3D scanning program for each probing feature according to the probing feature parameter queue with probing feature identifications, and forming a control file by assimilating all the 3D scanning programs; and (g) transferring the control file to a computer in the measuring equipment, and executing the control file by utilizing the measuring software to measure the workpiece.
- Other advantages and novel features of the present invention will become more apparent from the following detailed description of preferred embodiments when taken in conjunction with the accompanying drawings, in which:
-
FIG. 1 is a schematic diagram of a hardware configuration of a system for generating a scanning program for a stand-alone measuring equipment in accordance with a preferred embodiment; -
FIG. 2 is a schematic diagram of main function modules of the system ofFIG. 1 ; and -
FIG. 3 is a flowchart of a preferred method for generating a scanning program for a stand-alone measuring equipment by utilizing the system ofFIG. 1 . -
FIG. 1 is a schematic diagram of a hardware configuration of a system for generating a scanning program for a stand-alone measuring equipment in accordance with a preferred embodiment. Thesystem 1 for generating the scanning program for a stand-alone measuring equipment (hereinafter, “thesystem 1”) is executable/invoked in acomputer 3. Thecomputer 3 is a part of themeasuring equipment 4 and is installed with measuringsoftware 7 for executing the scanning program to measure a workpiece. Themeasuring equipment 4 further includes ameasuring platform 2 linked to thecomputer 3 via a data cable. Aprobe 6 is configured on themeasuring platform 2 for scanning the workpiece. Thesystem 1 can also be executed with a plurality of clients 5 (only two shown) linked to themeasuring equipment 4. In an alternative embodiment, the clients 5 can further work independently without any type of communication links with themeasuring equipment 4. - The
system 1 includes a plurality of function modules. The function modules are configured for generating the scanning program executable by themeasuring equipment 4. Afterwards, the scanning program generated by the client 5 is transferred to thecomputer 3. Thecomputer 3 executes the scanning program by utilizing themeasuring software 7 that controls the measuringplatform 2 to measure the workpiece. Thecomputer 3 receives measuring results transmitted from themeasuring platform 2 through the data cable, analyzes the measuring results, and displays the measuring results analyzed in a chart. -
FIG. 2 is a schematic diagram of main function modules of thesystem 1. Thesystem 1 typically includes aninput module 11, a calculatingmodule 12, aplotting module 13, a creatingmodule 14, agenerating module 15, anoutput module 16, and a determiningmodule 17. - The
input module 11 is configured for receiving scanning mode parameters, scanning output parameters, and for selecting a set of surfaces of the workpiece in order to generate corresponding probing points on the surfaces. The scanning mode parameters may include three scanning modes for computing the number of probing points on each surface selected. The first mode receives a column count and a row count, and computes the number of probing points on each surface selected by multiplying the column count with the row count. The second mode receives a total number of probing points on each surface selected. The third mode determines the number of the probing points on each surface selected by performing a table search according to a color and an area of the surface selected. The output parameters include output types of the probing points on each surface selected. The output types may include a point type, a line type, a surface type, and a circle type. The output parameters may further include a plot path setting parameter for selecting whether or not to plot a probing path of theprobe 6 while measuring the workpiece. - The calculating
module 12 is configured for calculating a total column count and a total row count of all probing points on all of the surfaces selected according to the scanning mode parameters and the surfaces selected of the workpiece, for calculating a normal vector of the probing point on each of the surfaces selected, for creating a probing point coordinate multidimensional array according to the probing point coordinates on all of the surfaces selected, for checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and for attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates. - In depth, each probing point coordinate consists of a real probing point coordinate (x, y, z) and a normal vector N(i, j, k) of (x, y, z) corresponding to a surface of the probing point. A significant probing point coordinate {(x1, y1, z1), N(i1, J1, k1)} means that: there exists a deviated point that lies within the normal vector N(i1, j1, k1) or in an opposite of the normal vector N(i1, j1, k1) of the probing point coordinate (x, y, z) such that the deviated point lies within a mass of the workpiece. Otherwise, if the deviated does not lie within the mass of the workpiece, this means that the probing point coordinate {(x1, y1, Z1), N(i1, j1, k1)} is insignificant, and should be deleted from the probing point coordinate multidimensional array.
- The
plotting module 13 is configured for plotting probing paths of theprobe 6. In depth, theprobe 6 moves through all the point coordinates in the significant probing point coordinate multidimensional array according to predetermined iteration of indices of the significant probing point coordinate multidimensional array. - The creating
module 14 is configured for creating a probing feature for the probing points on one surface selected according to the output types, and for storing identifications of the created probing features in a probing feature parameter queue. In depth, if the output type of the probing points is a point type, the creatingmodule 14 creates a point feature by assimilating the probing points. If the output type of the probing points is a line type, the creatingmodule 14 creates a line feature by assimilating the probing points. If the output type of the probing points is a surface type, the creatingmodule 14 creates a surface feature by assimilating the probing points. If the output type of the probing points is a circle type, the creatingmodule 14 creates a circle feature by assimilating the probing points. - The
generating module 15 is configured for generating a 3D scanning program for each probing feature according to the created probing feature parameter queue with probing feature identifications, and forming a control file by assimilating all the 3D scanning programs. In depth, thegenerating module 15 first generates a type name of each probing feature according to the type of the probing feature, then outputs corresponding probing point coordinates that are assimilated into the probing feature. - The
output module 16 is configured for transferring the control file generated in the client 5 to thecomputer 3, and thecomputer 3 executes the control file by utilizing themeasuring software 7 to measure the workpiece. - The determining
module 17 is configured for determining whether or not to plot probing paths of theprobe 6 according to the plot path setting parameter received by theinput module 11. -
FIG. 3 is a flowchart of a method for generating the scanning program for the stand-alone measuring equipment by utilizing thesystem 1. In step S100, theinput module 11 receives the scanning mode parameters, the scanning output parameters, and selects the set of surfaces of the workpiece for generating corresponding probing points on the surfaces selected. - In step S102, the calculating
module 12 calculates the total column count and the total row count of all probing points in all the surfaces selected, and calculates the normal vector corresponding to a surface of each probing point according to the scanning mode parameters and the surfaces selected of the workpiece, obtaining the probing point coordinate multidimensional array according to the total column count and the total row count, checking the validity of each probing point coordinate in the probing point coordinate multidimensional array, and attaining a significant probing point coordinate multidimensional array by deleting any insignificant probing point coordinates. - In step S104, the determining
module 17 determines whether or not to plot probing paths of theprobe 6 according to the plot path setting parameter received by theinput module 11. If the plot path setting parameter is not set to plot probing paths of theprobe 6, the procedure goes to step S108. - If the plot path setting parameter is set to plot the probing paths of the
probe 6, in step S106, the plottingmodule 13 plots the probing paths of theprobe 6 to measure the workpiece. In depth, theprobe 6 moves through all the point coordinates in the significant probing point coordinate multidimensional array according to predetermined iteration of indices of the significant probing point coordinate multidimensional array. - In step S108, the creating
module 14 creates the probing feature for the probing points on one surface selected according to the output types, and for storing the identifications of the created probing features in the probing feature parameter queue. - In step S110, the generating
module 15 generates the 3D scanning program for each probing feature according to the probing feature parameter queue created with probing feature identifications, and forming the control file by assimilating all the 3D scanning programs. In depth, the generatingmodule 15 first generates the type name of each probing feature according to the type of the probing feature, then outputs corresponding probing point coordinates that are assimilated into the probing feature. - In step S112, the
output module 16 transfers the control file generated in the client 5 to thecomputer 3, and thecomputer 3 executes the control file by utilizing themeasuring software 7 to measure the workpiece. - It should be emphasized that the above-described embodiments of the present invention, particularly, any “preferred” embodiments, are merely possible examples of implementations, merely set forth for a clear understanding of the principles of the invention. Many variations and modifications may be made to the above-described embodiment(s) of the invention without departing substantially from the spirit and principles of the invention. All such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.
Claims (14)
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CNB2005101212060A CN100462675C (en) | 2005-12-23 | 2005-12-23 | Programming system and method for three dimension off-line scan |
CN200510121206.0 | 2005-12-23 |
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Cited By (2)
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US20100268355A1 (en) * | 2009-04-21 | 2010-10-21 | Hon Hai Precision Industry Co., Ltd. | Programming system for a coordinate measuring machine and method thereof |
JP2017166955A (en) * | 2016-03-16 | 2017-09-21 | 株式会社ミツトヨ | Part program generator for surface property measuring device |
Families Citing this family (4)
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CN103177254A (en) * | 2011-12-26 | 2013-06-26 | 鸿富锦精密工业(深圳)有限公司 | System and method for extracting measurement element |
TWI715899B (en) | 2018-12-20 | 2021-01-11 | 財團法人工業技術研究院 | Measuring program compiling device and measuring program compiling method |
JP7414507B2 (en) * | 2019-12-16 | 2024-01-16 | ファナック株式会社 | Control device, measurement system, measurement method |
CN114055780B (en) * | 2021-10-26 | 2023-05-30 | 深圳市纵维立方科技有限公司 | 3D printer automatic leveling method, storage medium and 3D printing equipment |
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JP3670700B2 (en) * | 1994-04-27 | 2005-07-13 | 株式会社日立製作所 | Robot mechanism control method |
EP1148333A1 (en) * | 2000-02-05 | 2001-10-24 | YXLON International X-Ray GmbH | Automatic casting defects recognition in specimens |
TW569150B (en) * | 2002-04-30 | 2004-01-01 | Hon Hai Prec Ind Co Ltd | A system and method for analyzing and processing measurement data |
CN100357885C (en) * | 2002-05-06 | 2007-12-26 | 鸿富锦精密工业(深圳)有限公司 | Automatic scanning measuring data analytic processing system and method |
JP4168002B2 (en) * | 2004-04-07 | 2008-10-22 | ファナック株式会社 | Offline programming device |
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US20030079002A1 (en) * | 2001-10-23 | 2003-04-24 | Fischer William A. | Computer-assisted equipment having a user interface configured according to a service program |
US20030085890A1 (en) * | 2001-11-05 | 2003-05-08 | Baumberg Adam Michael | Image processing apparatus |
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US20100268355A1 (en) * | 2009-04-21 | 2010-10-21 | Hon Hai Precision Industry Co., Ltd. | Programming system for a coordinate measuring machine and method thereof |
US8255184B2 (en) * | 2009-04-21 | 2012-08-28 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Programming system for a coordinate measuring machine and method thereof |
JP2017166955A (en) * | 2016-03-16 | 2017-09-21 | 株式会社ミツトヨ | Part program generator for surface property measuring device |
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CN100462675C (en) | 2009-02-18 |
CN1987349A (en) | 2007-06-27 |
US7231326B1 (en) | 2007-06-12 |
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