CA2355756A1 - Method and apparatus for scanning lumber and other objects - Google Patents

Method and apparatus for scanning lumber and other objects Download PDF

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Publication number
CA2355756A1
CA2355756A1 CA 2355756 CA2355756A CA2355756A1 CA 2355756 A1 CA2355756 A1 CA 2355756A1 CA 2355756 CA2355756 CA 2355756 CA 2355756 A CA2355756 A CA 2355756A CA 2355756 A1 CA2355756 A1 CA 2355756A1
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CA
Canada
Prior art keywords
objects
features
disclosed
lumber
scanning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2355756
Other languages
French (fr)
Other versions
CA2355756C (en
Inventor
Leonard Metcalfe
Barry Dashner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LMI Technologies Inc
Original Assignee
LMI Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LMI Technologies Inc filed Critical LMI Technologies Inc
Priority to CA2599472A priority Critical patent/CA2599472C/en
Publication of CA2355756A1 publication Critical patent/CA2355756A1/en
Application granted granted Critical
Publication of CA2355756C publication Critical patent/CA2355756C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Length Measuring Devices By Optical Means (AREA)

Abstract

Disclosed herein are TV Camera based and other electro-optical sensors and systems, providing affordable methods and apparatus for high speed determination of dimensions and other features of objects. Particular embodiments capable of fast and reliable acquisition of features of moving objects such as boards and wood products are disclosed. Preferred embodiments utilize laser triangulation range detection with at least two cameras viewing the same laser spot or line projected on the object.
CA 2355756 2000-08-23 2001-08-23 Method and apparatus for scanning lumber and other objects Expired - Lifetime CA2355756C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2599472A CA2599472C (en) 2000-08-23 2001-08-23 Method and apparatus for scanning lumber and other objects

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22701700P 2000-08-23 2000-08-23
US60/227,017 2000-08-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2599472A Division CA2599472C (en) 2000-08-23 2001-08-23 Method and apparatus for scanning lumber and other objects

Publications (2)

Publication Number Publication Date
CA2355756A1 true CA2355756A1 (en) 2002-02-23
CA2355756C CA2355756C (en) 2007-11-20

Family

ID=22851407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2355756 Expired - Lifetime CA2355756C (en) 2000-08-23 2001-08-23 Method and apparatus for scanning lumber and other objects

Country Status (1)

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CA (1) CA2355756C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903245B2 (en) 2007-08-20 2011-03-08 Marc Miousset Multi-beam optical probe and system for dimensional measurement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7903245B2 (en) 2007-08-20 2011-03-08 Marc Miousset Multi-beam optical probe and system for dimensional measurement

Also Published As

Publication number Publication date
CA2355756C (en) 2007-11-20

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MKEX Expiry

Effective date: 20210823