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| Number | Title | Issue Date |
| 8081820 | Method for partitioning a pattern into optimized sub-patterns A method is provided for dividing a pattern into a plurality of sub-patterns, each sub-pattern being adapted for use with an image search method that can provide a plurality of sub-pattern search results. The method represents the pattern as a plurality of feature p... | 12/20/2011 |
| 8061614 | Light pipe illumination system and method A system and method is provided for illuminating a subject using a light pipe that transmits light from a source, such as an LED ring illuminator to an outlet that directs the light appropriately as either bright field illumination, dark field illumination or both. ... | 11/22/2011 |
| 8061613 | Method and apparatus for providing omnidirectional lighting in a scanning device A system and method is provided for selectively controlling the illumination, and particularly dark field illumination, applied to a symbol to be decoded, and for determining a suitable or optimized level of lighting for decoding the symbol. A ring-shaped illuminato... | 11/22/2011 |
| 8061610 | System and method for employing color illumination and color filtration in a symbology reader This invention provides a system and method for employing and analyzing images that are illuminated in different colors depending upon the type of illumination being employed. In an illustrative embodiment, a color image sensor is used to acquire images of subjects ... | 11/22/2011 |
| 7970924 | Deterministic triggering over an ethernet network A method and system for rendering Ethernet linked components deterministic, the method including the step of storing a communication rule set in each of at least two Ethernet linked components where the set specifies rules by which the two components communicate and... | 06/28/2011 |
| 7963448 | Hand held machine vision method and apparatus A method and system for use with a portable device including a processor, at least some embodiments of the method including the steps of providing an identification tag on at least one item that includes item identifying information, obtaining item identifying infor... | 06/21/2011 |
| 7957554 | Method and apparatus for human interface to a machine vision system An apparatus and method are disclosed for setting up a vision system having a camera and a vision processor cooperative with the camera. The apparatus includes a gesture recognizer, a key recognizer, a breakout box having at least two signaling elements, and a setup... | 06/07/2011 |
| 7885453 | Image preprocessing for probe mark inspection Digital image processing methods are applied to an image of a semiconductor interconnection pad to preprocess the image prior to an inspection or registration. An image of a semiconductor pads exhibiting spatial patterns from structure, texture or features are filte... | 02/08/2011 |
| 7878402 | Decoding distorted symbols A method is provided for reading distorted optical symbols using known locating and decoding methods, without requiring a separate and elaborate camera calibration procedure, without excessive computational complexity, and without compromised burst noise handling. T... | 02/01/2011 |
| 7874487 | Integrated illumination assembly for symbology reader This provides a plurality of novel features that can be applied variously to a reader. In one embodiment, the light pipe is constructed from durable polycarbonate for increased shock resistance and can define a rectangular cross section. The chamfered end of the lig... | 01/25/2011 |
| 7823789 | Low profile illumination for direct part mark readers An industrial reader is provided with an image formation system that is particularly adapted to read bar codes and two-dimensional symbols marked directly on objects. The image formation system includes illumination sources and illumination transmissive components t... | 11/02/2010 |
| 7823783 | Light pipe illumination system and method A system and method is provided for illuminating a subject using a light pipe that transmits light from a source, such as an LED ring illuminator to an outlet that directs the light appropriately as either bright field illumination, dark field illumination or both. ... | 11/02/2010 |
| 7720315 | System and method for displaying and using non-numeric graphic elements to control and monitor a vision system This invention provides a system and method for employing GUI-based non-numeric slide buttons and bar meters to setup and monitor operating parameters of a vision system (the term “vision system” as used herein including the above-described vision detector). Suc... | 05/18/2010 |
| 7639861 | Method and apparatus for backlighting a wafer during alignment A method and apparatus is provided for illuminating a wafer during wafer alignment using machine vision. An illumination device is fabricated using electroluminescent material, that provides diffuse illumination uniformly over the surface of the lamp to provide back... | 12/29/2009 |
| 7636449 | System and method for assigning analysis parameters to vision detector using a graphical interface This invention provides a system and method for automating the setup of Locators and Detectors within an image view of an object on the HMI of a vision detector by determining detectable edges and best fitting the Locators and Detectors to a location on the object i... | 12/22/2009 |
| 7623674 | Method and system for enhanced portal security through stereoscopy Enhanced portal security is provided through stereoscopy, including a stereo door sensor for detecting and optionally preventing access violations, such as piggybacking and tailgating. A portal security system can include a 3D imaging system that generates a target ... | 11/24/2009 |
| 7617984 | Hand held symbology reader illumination diffuser A hand held industrial identification symbol reader projects diffuse illumination onto a region of interest to produce high contrast images of symbols. The diffuse illumination is particularly well suited for producing images of symbols that are marked directly on o... | 11/17/2009 |
| 7614563 | System and method for providing diffuse illumination in a symbology reader An illumination system and method for use in a handheld symbology reader that employs a grid of reflecting elements applied to a transparent plate adapted to project a highly diffuse and uniform illumination on a subject. The grid defines a geometry with a large num... | 11/10/2009 |
| 7604174 | Method and apparatus for providing omnidirectional lighting in a scanning device A system and method is provided for selectively controlling the illumination, and particularly dark field illumination, applied to a symbol to be decoded, and for determining a suitable or optimized level of lighting for decoding the symbol. A ring-shaped illuminato... | 10/20/2009 |
| 7549582 | Method and apparatus for adjusting focus in a symbology reader A symbology reader has an adjustable focus mechanism that permits a plurality of focus settings by rotating a lens assembly threadedly engaged in the symbology reader housing. A focus adjustment collar having a plurality of key slots engage in a key when the cover t... | 06/23/2009 |
| 7545949 | Method for setting parameters of a vision detector using production line information Disclosed are systems and methods for setting various operating parameters of a vision detector from production line information that can be supplied by a manufacturing technician who is not skilled in the art of the invention. These operating parameters include shu... | 06/09/2009 |
| 7417803 | Focusing mechanism for a vision detector A machine vision image acquisition system is provided with a housing or enclosure that protects the acquisition system components from an industrial environment. The machine vision image acquisition system has a focusing mechanism that can be actuated externally to ... | 08/26/2008 |
| 7412106 | Methods for locating and decoding distorted two-dimensional matrix symbols A method is presented for processing an image of a two-dimensional (2D) matrix symbol having a plurality of data modules and a discontinuous finder pattern, each distorted by “donut effects”. A resulting processed image contains an image of the 2D matrix symbol ... | 08/12/2008 |
| 7400744 | Stereo door sensor A stereo imaging based vision system to monitor the area on the two sides of either a door and control door motion according to the motion of 3D objects in the viewing area. The system calibrated to provide heights above the ground plane for any point in the field o... | 07/15/2008 |
| 7397929 | Method and apparatus for monitoring a passageway using 3D images A stereo imaging based vision system is calibrated to provide heights above the ground plane for any point in the field of view. Therefore, when any object enters the field of view, it generates interest points called “features,” the heights of which are measure... | 07/08/2008 |
| 7313761 | Tree-style hierarchical control with graphical depiction of non-hierarchical interrelationships A method and system is provided for generating a tree-style graphical representation that depicts simultaneously hierarchical and non-hierarchical interrelationships among a set of entities. Two sets of specifications are acquired. One set describes a set of hierarc... | 12/25/2007 |
| 7305114 | Human/machine interface for a machine vision sensor and method for installing and operating the same This invention overcomes the disadvantages of the prior art by providing a human/machine interface (HMI) for use with machine vision systems (MVSs) that provides the machine vision system processing functionality at the sensor end of the system, and uses a communica... | 12/04/2007 |
| 7297969 | Web marking and inspection system A method and apparatus for use with a web of material having a web length dimension and a web surface, the method for placing mark sequences on the web surface every X distance along the web length dimension identifying location along the web length dimension, the m... | 11/20/2007 |
| 7242801 | Image preprocessing for probe mark inspection Digital image processing methods are applied to an image of a semiconductor interconnection pad to preprocess the image prior to an inspection or registration. An image of a semiconductor pads exhibiting spatial patterns from structure, texture or features are filte... | 07/10/2007 |
| 7181066 | Method for locating bar codes and symbols in an image A search method is disclosed for finding bar code symbols and various two-dimensional symbols, regardless of orientation, that is efficient, robust, and easy to use. The method works well on cluttered backgrounds, on skewed symbols, when symbols are almost touching,... | 02/20/2007 |
| 7175090 | Methods and apparatus for reading bar code identifications The invention provides methods and appartaus for analysis of images of two-dimensional (2D) bar codes in which a model that has proven successful in decoding of a prior 2D image of a 2D bar code is utilized to speed analysis of images of subsequent 2D bar codes. In ... | 02/13/2007 |
| 7171036 | Method and apparatus for automatic measurement of pad geometry and inspection thereof An image of a semiconductor interconnection pad is analyzed to determine a geometric description of the zone regions of a multiple zone semiconductor interconnection pad. Edge detection machine vision tools are used to extract features in the image. The extracted fe... | 01/30/2007 |
| 7162073 | Methods and apparatuses for detecting classifying and measuring spot defects in an image of an object A method is provided for detecting spot defects on an object when an allowable variation (called the “background”) in the appearance of the object can be modeled. Methods are also provided for measuring and classifying detected spot defects. An alignment model i... | 01/09/2007 |
| 7069499 | Spreadsheet having a clocked delay line object, for processing a continuous data stream An improved electronic spreadsheet is provided for applications that require the processing of continuous data streams over a time-based data interval of size greater than one. The improved spreadsheet supports the creation of expressions involving clocked delay lin... | 06/27/2006 |
| 6993177 | Gauging based on global alignment and sub-models A method for accurately and efficiently determining the location of points or entities in a machine vision image. A set of sub-models are constructed from a global training model representing objects viewed by the machine vision system. The set of sub-models are use... | 01/31/2006 |
| 6987875 | Probe mark inspection method and apparatus A method and apparatus for inspection of probe marks made on the interconnection lands of semiconductor devices using machine vision is disclosed. An image of an interconnection land is analyzed, and features of the image that may constitute indicia of probe marks a... | 01/17/2006 |
| 6983065 | Method for extracting features from an image using oriented filters A method of analyzing machine vision images to identify low contrast features such as scratches or cracks on the polished ends of optical fibers. A bank of oriented filters having incremental angles of orientation are tuned to respond to the frequency characteristic... | 01/03/2006 |
| 6975764 | Fast high-accuracy multi-dimensional pattern inspection A method and apparatus are provided for identifying differences between a stored pattern and a matching image subset, where variations in pattern position, orientation, and size do not give rise to false differences. The invention is also a system for analyzing an o... | 12/13/2005 |
| 6973207 | Method and apparatus for inspecting distorted patterns An embodiment of the invention provides a method for training a system to inspect a spatially distorted pattern. A digitized image of an object, including a region of interest, is received. The region of interest is further divided in to a plurality of sub-regions. ... | 12/06/2005 |
| 6970608 | Method for obtaining high-resolution performance from a single-chip color image sensor A method is provided for obtaining high-resolution performance from a standard image sensor, such as a single-chip image sensor. Since single-chip color image sensing is often the least expensive way to obtain color images, the invention helps to lower the cost of h... | 11/29/2005 |
