| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 356429000 | BY MONITORING OF WEBS OR THREAD | 19 |
| 20090059232 | 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 ferrite core coil and target. Means of stabilizing a moving web are included for improving dynamic measurement accuracy. | 03-05-2009 |
| 20090091761 | APPARATUS FOR DETECTION OF THE ACCURACY OF FORMAT OF A WEB OF CORRUGATED CARDBOARD - An apparatus for detection of the accuracy of format of a web of corrugated cardboard moved in a conveying direction comprises a light source which emits a light band to the surface of the web of corrugated cardboard in a direction crosswise of the conveying direction and at an angle to the web of corrugated cardboard. A measuring camera detects the different light intensities of the light reflected by the plane portions and the profiled patterns of the web of corrugated cardboard. This electronic image in the camera is evaluated by an evaluation device for determining the distance of the profiled patterns from each other. | 04-09-2009 |
| 20090141277 | THREAD LATERAL MOVEMENT SENSOR - A system for detecting the lateral movement of thread in a textile manufacturing system is disclosed. The system includes an optical device configured to emit an optical signal. The optical device includes a resonant cavity. The system further includes a driver connected to the optical device. The driver configured to drive the optical signal. A mechanical guide is connected to the optical device. The mechanical guide is configured to receive a moving thread in a textile manufacturing process. The moving thread scatters the optical signal such that a portion of the optical signal is reflected back into the resonant cavity of the optical device; causing a change in the optical signal. An optical detector is optically coupled to the optical device. The optical detector is configured to detect the changed optical signal. Lateral movement detection circuitry is connected to the optical detector to detect lateral movements such as vibrations. The lateral movement detection circuitry is configured to output a signal representing the lateral movement of the moving thread based on the detected changed optical signal. | 06-04-2009 |
| 20090257060 | Housing for an Optical Measurement Device and Method for Producing a Housing | 10-15-2009 |
| 20090262352 | Device for the optical detection of the lateral position of characteristics on traveling material webs and method for operating this device - The device for the optical detection of the lateral position of features on the surface of traveling material webs has an optical imaging system including an objective lens ( | 10-22-2009 |
| 20100165344 | WEB MEASUREMENT - One measuring part of a traversing measuring unit measures at least one characteristic of a web with a first radiation type from a plurality of measuring locations during a traversing movement at successive moments in time. At least two measuring parts of an array measuring unit measure at least one characteristic of the web with another radiation type during each traversing movement at a plurality of different moments in time by directing the measurement to a plurality of measuring locations in the web at each moment in time. A signal processing unit is arranged to estimate at least one characteristic measured by the traversing measuring unit with at least one measurement of the array measuring unit. | 07-01-2010 |
| 20110141473 | ACTIVE VIEWPORT DETECTION ASSEMBLY FOR SUBSTRATE DETECTION IN A VAPOR DETECTION SYSTEM - An active viewport assembly for use in detecting substrates conveyed through a vapor deposition system includes a casing configured for mounting to a wall of a vapor deposition module. The casing further includes an enclosed chamber, an exterior side port, and an interior side port. A lens assembly is disposed within the chamber and extends through the interior side port. A heater element is configured on the lens assembly within the chamber. One of an active transmitter or an active signal receiver is configured with the exterior side port external of the chamber and is axially aligned with and spaced from the lens assembly. | 06-16-2011 |
| 20110170101 | CAMERA WEB SUPPORT - Web supports ( | 07-14-2011 |
| 20150022813 | CMOS Optical Detector Comprising Plurality of Optical Elements for Device for Monitoring Parameters of Moving Yarn on Textile Machines - A CMOS optical detector includes a plurality of optical elements for a device for detecting parameters of moving yarn or another linear textile formation on textile machines by means of a perpendicular projection of yarn onto individual optical elements of a sensor with the aid of one source of radiation. The optical elements are arranged in two parallel rows perpendicular to the direction of the movement of the projection of yarn. Each optical element produces an output analog signal corresponding to the intensity of its irradiation. The individual optical elements of the first row are oriented to have their longer sides in the direction of the movement of the projection of yarn, whereas the optical elements of the second row are oriented to have their longer sides perpendicular to the direction of the movement of the projection of yarn. | 01-22-2015 |
| 20150116715 | Method for Monitoring Quality of Yarn by Electronic Yarn Cleaner and Detector for Carrying out the Method - A method and sensor are provided for monitoring the quality of yarn by an electronic cleaner of yarn by means of an optical detector having a sensor with one or two rows of individual optical elements that are rectangular-shaped and have analog outputs. Each of the optical elements has a photodiode and an amplifier of its output signal. The amplifier has a variable amplification, whose size is modified according to the required sensitivity of a respective optical element to light. | 04-30-2015 |
| 356430000 | For flaws or imperfections | 9 |
| 20090002707 | Method and Device for the Optical Monitoring of a Running Fibre 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 detector, and is evaluated so as to determine a foreign matter, thereby allowing light-guiding foreign matters to be distinguished from the non-light-guiding natural fibers. | 01-01-2009 |
| 20090237664 | 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 at least one optical web tear detection device, which includes at least one luminous source and one detector, and whereby a cut-off apparatus for the fibrous web is directly or indirectly activated by the web tear detection device. The optical web tear detection device is operated over an extended wave length range in order to detect a tear in the fibrous web reliably. In addition, the invention relates to an apparatus for performing the inventive method. | 09-24-2009 |
| 20100045988 | SYNCHRONOUS OPTICAL MEASUREMENT AND INSPECTION METHOD AND MEANS - The invention relates to 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 method and means that is resistant to intense ambient light and is capable of inspecting sheets of material ( | 02-25-2010 |
| 20110242537 | SURFACE INSPECTION APPARATUS AND METHOD - A surface inspection apparatus includes a light source for applying a detection laser beam to a film sample. A light receiver has plural photomultiplier tubes arranged in a width direction of the film sample, for receiving output light reflected by the film sample. A defect detector detects a defect on the film sample according to an output signal output by each of the photomultiplier tubes. A sensitivity corrector sets sensitivity of the photomultiplier tubes to process an output of the light receiver for output noise suppression. Specifically, the sensitivity corrector determines a set sensitivity of the photomultiplier tubes by correcting a sensitivity characteristic thereof for abnormality detection, to keep a sensitivity difference between the photomultiplier tubes as small as a predetermined value or less. Furthermore, plural light valves upstream from the light receivers are controlled by the sensitivity corrector for their transmittance. | 10-06-2011 |
| 356431000 | Including transverse scanning | 5 |
| 20090086209 | 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 processing section that judges the presence/absence of surface flaw on the inspection plane based on a combination of reflected light components identified under these optical conditions different from each other; and a marking device which applies marking that indicates information relating to the flaw on the surface of the metal strip. | 04-02-2009 |
| 20090303484 | WEB INSPECTION CALIBRATION SYSTEM AND RELATED METHODS - Systems and methods for calibrating a web inspection system. | 12-10-2009 |
| 20100157301 | RUNNING YARN LINE INSPECTION METHOD AND CARBON FIBER MANUFACTURING METHOD USING THEREOF - A running yarn line inspection method inspects yarn lines running in parallel in the same surface. The running yarn line inspection method is provided with a first illumination means and a line sensor for imaging the yarn lines on the side of the first surface of the running surface of the yarn lines and a second illumination means on the side of the second surface, and comprises a data processing means which processes data obtained by the line sensor and a recording means which records data processed by the data processing means with time. | 06-24-2010 |
| 20130083324 | WEB INSPECTION CALIBRATION SYSTEM AND RELATED METHODS - Systems and methods for calibrating a web inspection system using data from a calibrated point sensor, using a frequency spectra-based analysis. | 04-04-2013 |
| 20150022814 | Method for Monitoring at least one Parameter of Quality of Yarn and/or Parameters of Sensor by Electronic Yarn Cleaner - A method is provided for monitoring at least one yarn quality parameter and/or a parameter of a sensor by an electronic cleaner of yarn by means of an optical detector comprising a sensor with one or two rows of individual optical elements. The individual optical elements provide at their outputs an analog signal proportional to the intensity of its irradiation, the value of which is monitored during each measurement cycle. In the first and/or the second row of optical elements of the sensor, for each monitored parameter, individual optical elements of the sensor, are selected constituting an active zone for monitoring a particular parameter. The number of the optical elements in one active zone in one row is lower than the overall number of the optical elements in the corresponding row, and the output analog signal of the individual optical elements of the corresponding active zone is included in the evaluation of the particular parameter. | 01-22-2015 |
