Reflector for multiple source lighting fixture
The present invention provides an improvement in lighting fixtures which permits the pattern and intensity of illumination to be adjusted by rotating one of the reflectors in the lighting fixture. The... Read More
Inventors: Gehly, Joel C.;, Assignee: American Sterilizer Company (Erie, PA) |
Two-dimensional object recognition using chain codes, histogram normalization and trellis algorithm
A new system for classifying a two-dimensional object is disclosed. In its broadest aspects, the system includes means for generating a histogram from the object's assigned chain code and means for co... Read More
Inventors: Sadjadi, Firooz A.;, Assignee: Honeywell Inc. (Minneapolis, MN) |
Image processing method
Accordingly, one object of the present invention is to provide an image processing method in which the amount of processing is significantly reduced, so as to calculate image projections at a high-spe... Read More
Inventors: Ariyoshi, Shunji; Tsujimoto, Shuichi;, Assignee: Kabushiki Kaisha Toshiba (Kanagawa, JP) |
Mark detecting method and apparatus
According to the above-identified proposal, however, the search has to be made while moving the wafer stage in a blind-feeding manner. Therefore, there is a good possibility that the time for the sear... Read More
Inventors: Yamada, Yuichi; Ayata, Naoki; Suzukawa, Hiroki; Nogawa, Hideki;, Assignee: Canon Kabushiki Kaisha (Tokyo, JP) |
Method and apparatus for sorting a flow of objects as a function of optical properties of the objects
The object of the invention is to eliminate the drawbacks of the known method. According to the invention, this object is achieved for the method of the type mentioned hereinbefore by consecutively as... Read More
Inventors: Menten, Emmanuel J.;, Assignee: Elbicon N.V. (BE) |
Optical character recognition system and method
Accordingly, a system and method for optical character recognition are provided which obviate the need for separate magnetic scanner systems and the performance of separate magnetic scanning operation... Read More
Inventors: Higgins, Raymond L.; Golem, Dennis W.;, Assignee: NCR Corporation (Dayton, OH) |
Optical interprogation system for use in constructing flat tension shadow mask CRTS
What is claimed is: 1. An apparatus for interrogating at least one CRT workpiece, comprising; a) a plurality of video cameras placed in known locations, the cameras each having a field of view on at l... Read More
Inventors: Midland, Richard W.; Rozansky, Boris; Tepe, Thomas W.;, Assignee: Zenith Electronics Corporation (Glenview, IL) |
Structured illumination autonomous machine vision system
I claim: 1. A method of providing information for automatically determining pathway boundaries for autonomous robotic navigation, comprising the steps of: projecting a structured light pattern of sequ... Read More
Inventors: Brown, C. David;, Assignee: |
Solder joint locator
Pursuant to the present invention, a method and system is provided for automatically detecting features in an image. The system comprises a means for measuring and storing the intensity of pixels in t... Read More
Inventors: Bushroe, Michael W.;, Assignee: Hughes Aircraft Company (Los Angeles, CA) |
Curved surface designing method
The present invention has been attained to solve the foregoing problems, and an object thereof is to provide a method of designing a polygonal curved surface with three or more sides in a simple way a... Read More
Inventors: Kato, Kiyotaka; Okamoto, Takashi;, Assignee: Mitsubishi Denki K.K. (Tokyo, JP) |
Point pattern matching method and system as well as picture recognizing method and system using the same
When it is desired to obtain optimum one of all combinations regardless of the magnitude of matching errors, such a prior art method as mentioned above cannot cope with it. This is because, even when ... Read More
Inventors: Sakou, Hiroshi; Uecker, Darrin R.;, Assignee: Hatachi, Ltd. (Tokyo, JP) |
Digital image processing system and method
In accordance with one aspect of the present invention, a digital image processing system comprises processing means at a first site; and digital image processing equipment at a second site remote fro... Read More
Inventors: Wolstenholme, Arthur T.; Burton, Robert F.; Barraco, Ignazio; Kin Kwok Chu, Eddie;, Assignee: Crosfield Electronics (USA) Limited (Burlington Gardens, London, GB) |
System for frontal illumination
These and other objects are attained by the invention which provides, in one aspect, a frontal illumination system (or "reflector") which comprises a light source and a finite plurality of reflecting ... Read More
Inventors: Mayer, Ralph D.; Picard, Len L.; Fitzgerald, Clifford T.;, Assignee: Cognex Corporation (Needham, MA) |
Apparatus and method for inspection of high component density printed circuit board
Accordingly, it is therefore an object of this invention to use a visual spectrum sensor to view a solder joint in order to extract reflectance properties as well as topological properties. It is a fu... Read More
Inventors: Sepai, Dinyar; Daly, Kevin R.; Whalen, Brian L.; Hong, Khanh; Jones, George B.;, Assignee: Raytheon Company (Lexington, MA) |
System and method for efficient computer workstation screen updates
The invention is based on the need in collaborative or cooperative processing environments to allow updates to the screen of a local computer to be shared or mirrored as quickly as possible on the scr... Read More
Inventors: Fyles, Anthony; Key, Andrew; Sethi, Vincent;, Assignee: International Business Machines Corporation (Armonk, NY) |
Double-accumulator implementation of the convolution function
The present invention provides a novel approach to high-speed digital processing involving correlation or convolution operations. More specifically, the present invention provides a digital signal pro... Read More
Inventors: Flockencier, Stuart W.;, Assignee: Loral Vought Systems Corporation (Grand Prairie, TX) |
Apparatus and method for windshear data processing
Accordingly, the present invention is directed to an apparatus and method for calculating a vertical component of a total hazard factor of multiple microburst downdraft candidates in range from a dete... Read More
Inventors: Mathews, Bruce D.; Albano, Michael J.; Railey, Guy T.; Miller, Fran;, Assignee: Westinghouse Electric Corp. (Pittsburgh, PA) |
Arcade game for sensing and validating objects
OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view of a preferred embodiment of a game apparatus 10 in accordance with the present invention. Game apparatus 10 includes front panel sections 12... Read More
Inventors: Kelly, Bryan M.; Kelly, Matthew F.; Kroeckel, John G.; Haas, Joseph J.; Lad, Jayash J.;, Assignee: Lazer-Tron Corporation (Pleasanton, CA) |
Method and system for locating objects with subpixel precision
The present invention enables an object to be located with an input device (e.g., a videocamera) very precisely while avoiding many of the costs and restrictions associated with prior techniques. Thes... Read More
Inventors: O'Gorman, Lawrence P.; Simons, Everett F.;, Assignee: AT&T Corp. (Murray Hill, NJ) |
Method and apparatus of pattern recognition
In view of the foregoing, the first object of the present invention is to obtain a pattern recognition method or apparatus which is not affected by deviation of the position of the patterns or a chang... Read More
Inventors: Tanaka, Ken-ichi; Shimizu, Masako;, Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP) |
Apparatus for and a method of communicating between a camera and external equipment
Accordingly, it is an object of the present invention to provide a camera which performs data communication with external equipment. It is a further object of the present invention to provide a camera... Read More
Inventors: Ogawa, Hidehiro;, Assignee: Nikon Corporation (Tokyo, JP) |
Method and apparatus to detect capillary indentations
OF THE INVENTION In FIG. 1, a system incorporating the present invention is shown. The system includes a wire bonding machine 01 having a movable platform 03 such as an X-Y table for holding semicond... Read More
Inventors: Petry, III, John P.; Michael, David J.; Garakani, Arman;, Assignee: Cognex Corporation (Natick, MA) |
Vision coprocessing
We claim: 1. A digital image processing system including A. bus means for carrying control, data and address signals, B. memory means, coupled to said bus means, for storing digital image data and for... Read More
Inventors: Wolff, Robert Anthony; Rosenthal, Steven Mark; Silver, William Michael; Schott, Jean-Pierre;, Assignee: Cognex Corporation (Natick, MA) |
Digital image capture control
It is therefore an object of the invention to provide an intuitive, object-oriented user interface to control an image capture device. This and other objects and features of the invention are achieved... Read More
Inventors: Bullock, Garland Ray; Edgar, Albert Durr; Penn, Steven Craig;, Assignee: International Business Machines Corporation (Armonk, NY) |
Continuous diffuse illumination method and apparatus
The practice of the concepts of the invention are primarily utilized in machine vision applications with objects having specular surfaces, including surfaces of convex configurations and surfaces cont... Read More
Inventors: White, Timothy Peter;, Assignee: Northeast Robotics, Inc. (Weare, NH) |
Inspecting apparatus of mounted component
The object of the present invention is therefore to provide an inspecting apparatus which can inspect beforehand that the soldering state of a mounted component after a reflow process will result in f... Read More
Inventors: Mizuoka, Seiji; Tsujikawa, Toshihiko; Okamoto, Kenji; Ikurumi, Kazuhiro; Ueda, Youichiro; Yasutake, Masanori;, Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka-fu, JP) |
Method of inspecting component placement accuracy for each first selected circuit board to be assembled of a batch
OF THE INVENTION The method of the invention improves upon the known practice of visually inspecting for accuracy of placement of the first selected board of a series or batch of boards that are to b... Read More
Inventors: Gieskes, Koen A.;, Assignee: Universal Instruments Corporation (Binghamton, NY) |
Method and apparatus for high speed identification of objects having an identifying feature
The invention is directed to a method and apparatus for identifying an object having an identifying feature. The method includes a two step identification process wherein a first comparison of a first... Read More
Inventors: Scola, Joseph R.; Li, David Y.;, Assignee: Cognex Corp. (Natick, MA) |
Image rotating method for locating bond pads in an image
The foregoing objects are attained by the invention which provides a method for operating a digital data processor to locate bond pads in an image of a die mounted in a lead frame. The digital data pr... Read More
Inventors: Koljonen, Juha; Michael, David; Tosa, Yasunari;, Assignee: Cognex Corp. (Natick, MA) |
Method and apparatus for inspection of the appearance of bumps
The object of the present invention is therefore to provide a method and apparatus for inspecting the appearance of bumps, which can extract characteristics of bumps related to defects without being a... Read More
Inventors: Nishimura, Hidetoshi; Shirouchi, Yuichi;, Assignee: Sharp Kabushiki Kaisha (Osaka, JP) |
Image Analysis 
