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| Number | Title | Issue Date |
| 7986410 | Method for detecting a fibrous web tear in a drying section of a machine for producing the fibrous web and apparatus for performing said method This invention relates to a method for detecting a tear in a fibrous web in a drying section of a machine for producing the fibrous web, whereby the fibrous web is passed through the drying section by way of at least one dryer fabric, whereby the tear is detected by... | 07/26/2011 |
| 7978328 | Vision inspection system device and method A course material that is applied to a substrate during fabrication of a composite item is inspected by a system that includes a vision assembly. The vision assembly includes an area light, a line generator, a sensor, and an image processor. The area light illuminat... | 07/12/2011 |
| 7847943 | Web measurement device A sensor is provided that measures web caliper using optical and magnetic measuring devices. The optical measuring devices may employ a confocal chromatic aberration method to accurately determine the distance to the moving web and the magnetic devices may be ferrit... | 12/07/2010 |
| 7605921 | Synchronous optical measurement and inspection method and means A method for finding holes, and other related defects and measuring characteristics of sheets of industrial material. Optical detections systems are constantly plagued by intense ambient light and challenged in accuracy. The invention exhibits a defect detection met... | 10/20/2009 |
| 7593106 | Independent measurement of dual sided properties of sheet material A dual sided sheet surface property sensor has the capability to simultaneously measure both sides of a moving sheet at the same location of the sheet on the top and bottom surfaces of the sheet. The energy directed to each side of the sheet may include UV, visible ... | 09/22/2009 |
| 7551284 | Method and device for the optical monitoring of a running fiber strand Disclosed are a method and a device for optically monitoring a running natural fiber strand. According to the invention, a light signal is sent onto the fiber strand and is emitted once again at a different point of the fiber strand surface, is received by a detecto... | 06/23/2009 |
| 7460233 | Pass-line and tilt insensitive sensor The devices, systems and methods may continuously detect surface characteristics of a sample surface at a tilt. The exemplary system may have a conveying device for moving a sample surface, a light source for reflecting a beam of light off the sample surface, and a ... | 12/02/2008 |
| 7453571 | Dimensional calibration standards A calibration standard, for calibrating lateral or angular dimensional measurement systems, is provided. The standard may include a first substrate spaced from a second substrate. The standard may be cross-sectioned in a direction substantially perpendicular or subs... | 11/18/2008 |
| 7427767 | Apparatus for identifying the condition of a conveyor belt An apparatus for identifying the condition of a conveyor belt (6) has a capturing device (12) which can be used to capture two-dimensional images (B) of successive belt sections (15) of the conveyor belt (6) during operation of the convey... | 09/23/2008 |
| 7423744 | Method for marking defect and device therefor A defect marking device includes a flaw inspection device which has a plurality of light-receiving parts that identify reflected lights coming from an inspection plane of a metal strip under two or more of optical conditions different from each other; a signal proce... | 09/09/2008 |
| 7397563 | Pass-line insensitive sensor Devices, systems and methods for detecting surface characteristics of a sample surface are disclosed. The exemplary system may have a conveying device for moving a sample surface and a light source for reflecting a beam of light off the sample surface. A light detec... | 07/08/2008 |
| 7382457 | Illumination system for material inspection An illumination system for a web inspection process is provided. The illumination system cooperates with a camera system to detect defects in the web material, with the camera having a line of light sensors. The illumination system has a single light source and a le... | 06/03/2008 |
| 7369240 | Apparatus and methods for real-time adaptive inspection for glass production An apparatus and methods for the real-time inspection for defects in and on transparent sheets, such as a sheet of glass, are described. A sensor detects a transparent light reflective coating on a transparent sheet and defines a sample profile. An optical inspectio... | 05/06/2008 |
| 7362437 | Vision inspection system device and method A course material that is applied to a substrate during fabrication of a composite item is inspected by a system that includes a vision assembly. The vision assembly includes an area light, a line generator, a sensor, and an image processor. The area light illuminat... | 04/22/2008 |
| 7349081 | Method and device for checking the integrity of a glass protecting tube for the spiral-wound filament of an infrared radiator heat source In order to be able to check reliably glass protecting tubes for spiral-wound filaments of an infrared radiator heat source with respect to damages due to breaking, a device and method are provided for checking the integrity of a glass protecting tube, in particular... | 03/25/2008 |
| 7346411 | Automatic control and monitoring system for splice overlapping tolerance in textile ply The present system enables the monitoring and automatic control of the tolerance in splice overlap of textile play , though the identification of the overlap area, identification and counting of textile cords in the overlap area, and the generation of a control sign... | 03/18/2008 |
| 7345756 | Image-based fiber length measurements from tapered beards An image-based method and corresponding apparatus for measuring, in scientifically basic terms, the complete fiber length distribution from a tapered beard. The method may be referred to as length by image analysis (Li). ... | 03/18/2008 |
| 7339675 | Apparatus for stacking sheet members, apparatus for measuring dimensions of sheet members, and apparatus for and method of marking sheet members An apparatus for stacking a predetermined number of X-ray films has a sheet member holding device disposed above a stacking position for temporarily holding at least a first X-ray film, and an actuating device for displacing the sheet member holding device from the ... | 03/04/2008 |
| 7334520 | Printing press and device for the inline monitoring of printing quality in sheet-fed offset printing presses A printing press for processing sheet printing materials includes at least one printing unit, a computer and a measuring device for monitoring printing quality during a printing process. The measuring device has a sensing device for measuring by color or spectrally ... | 02/26/2008 |
| 7333203 | Device for scanning a yarn with a light beam The invention relates to a device for scanning a thread, which is displaceable in the longitudinal direction thereof inside a measuring slot, by means of an optical beam emitted by a light source. The device includes a receiver of light reflected on the thread and a... | 02/19/2008 |
| 7333202 | Yarn sensor A yarn sensor for optically scanning a yarn (3), traveling longitudinally through a measurement gap (19), includes a light source (20) projecting a beam of light into the measurement gap (19), at least one receiver (23) for directl... | 02/19/2008 |
| 7324201 | Yarn sensor A yarn sensor for textile spinning and bobbin-winding machines for optically scanning a longitudinally traveling yarn (3) within a measurement gap (19), particularly for detecting extraneous fibers, includes a light source (20), a first receiver... | 01/29/2008 |
| 7324681 | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar The present invention is directed to solving the problems associated with the detection of surface defects on metal bars as well as the problems associated with applying metal flat inspection systems to metal bars for non-destructive surface defects detection. A spe... | 01/29/2008 |
| 7319521 | Measuring device A device for measuring the thickness of a sheet or web product including at least one moveable measuring sensor which can be pressed against the product while forming an air pad between measuring sensor and product. At least one measuring sensor is respectively prov... | 01/15/2008 |
| 7307729 | Electro-optically inspecting and determining internal properties and characteristics of a longitudinally moving rod of material Electro-optically inspecting a longitudinally moving rod of material (12). Guiding rod (12) along its longitudinal axis by rod guiding unit (14), along optical path (20) within transparent passageway (22). Optical path (20) ... | 12/11/2007 |
| 7301164 | Measuring apparatus A measuring apparatus is provided having an illumination unit including a source of electromagnetic radiation, fiber optic apparatus and sensing apparatus. The fiber optic apparatus includes first fiber optic structure having an input end for receiving at least a po... | 11/27/2007 |
| 7301638 | Dimensional calibration standards A calibration standard, for calibrating lateral or angular dimensional measurement systems, is provided. The standard may include a first substrate spaced from a second substrate. The standard may be cross-sectioned in a direction substantially perpendicular or subs... | 11/27/2007 |
| 7292340 | Procedure for detecting and classifying impurities in longitudinally moving textile inspection material The invention relates to a method for detecting and classifying foreign material in an inspection lot of textile fibers that is moved lengthwise. The aim of the invention is to allow for the simultaneous inspection of the inspection lot with regard to a plurality of... | 11/06/2007 |
| 7292332 | Method and apparatus for detecting faults in transparent material The method for detecting faults in transparent material includes irradiating a definite partial volume in the material with a first radiation source and coupling light into the material from a second source so that its optical path in the partial volume extends in t... | 11/06/2007 |
| 7289216 | Station for inspecting the painting of motor vehicle parts A station for inspecting the painting of motor vehicle bodywork parts, the station including an optical measuring apparatus and means for attenuating vibration of the moving parts. ... | 10/30/2007 |
| 7286234 | Copper foil inspection device copper foil inspection method defect inspection device and defeat inspection method A surface of copper foil wound onto a guide roller 26 is irradiated with light. Specular light from the copper foil surface is received by CCD cameras 14a, and scattered light from the copper foil surface is received by CCD cameras 14b... | 10/23/2007 |
| 7283227 | Oblique transmission illumination inspection system and method for inspecting a glass sheet An oblique illumination inspection system and method are described herein that are used to identify a defect (e.g., inclusion, onclusion, scratch, stain, blister, cord or other imperfection associated with a surface discontinuity or material non-homogeneity) on or w... | 10/16/2007 |
| 7281165 | System and method for performing product tests utilizing a single storage device A test system and method utilizing a single storage device through a network, which includes a server and at least a test object connected to a storage device that supports multi-system operations. The storage device provides many kinds of test environments and test... | 10/09/2007 |
| 7272972 | Method and apparatus for measuring a thickness of a thin film in motion An apparatus for monitoring a thickness of a film in motion. The apparatus comprises a roller for receiving and supporting the film in motion, the roller being adapted to rotate about an axis of rotation. The apparatus also comprises a position detector for detectin... | 09/25/2007 |
| 7268866 | Method for inspecting a weld seam in a workpiece made of weldable plastic and device for carrying out this method The invention relates to an inspection method for inspecting the quality of a weld seam (15) during which a material, which is transparent to electromagnetic radiation (30) of a defined frequency, is used in a workpiece (10) consisting of two pl... | 09/11/2007 |
| 7259854 | Control device for a conveyor The invention relates to a control device for a conveyor comprising an elastomeric conveyor belt which is provided with a carrying side for transporting material and a pulley side and comprises, in particular an embedded strength support, an optoelectronic system fo... | 08/21/2007 |
| 7227641 | Method and apparatus for measuring a pitch of stranded cable Disclosed is a method for measuring a pitch of a stranded cable which includes the steps of (A) manufacturing a stranded cable by stranding at least two wires; (B) irradiating a parallel ray on one side of the stranded cable moving at a regular velocity, and receivi... | 06/05/2007 |
| 7223957 | Sensor including circuitry for recovering time-varying information and removing DC offsets An amplification circuit for implementation in sensors such as photodetectors and other devices, and related method of amplification, are disclosed. In some embodiments, the amplification circuit includes a first amplifier that receives an input signal at least indi... | 05/29/2007 |
| 7173703 | Apparatus on a textile fibre processing machine for evaluating textile fibre material In an apparatus for inspecting and evaluating fiber material, for example a sliver or fleece, an opto-electronic system, is provided across the width of a textile machine and scans the moving fiber material and converts the measured values into electronic signals. T... | 02/06/2007 |
| 7171033 | System and method for identifying defects in a composite structure A system and method for identifying defects in a composite structure is provided. The system includes a camera for receiving images of the composite structure, a processor for manipulating the images and outputting a response based on the images, and a light source ... | 01/30/2007 |
