| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 356621000 | Occulting a projected light beam | 9 |
| 20100020337 | APPARTUS FOR MARKING LUMBER POSITION - An apparatus adapted to project a series of parallel light lines is provided, the apparatus comprising a body adapted to receive a plurality of light projecting devices, the plurality of light projecting devices being secured to the body and adapted to generate a series of parallel light lines to identify discrete parallel positions to facilitate the location of lumbers. A method of using same and a kit for assembling same are also provided. | 01-28-2010 |
| 20100085582 | APPARATUS AND METHOD FOR THE DETERMINATION OF THE POSITION OF A DISK-SHAPED OBJECT - The invention relates to an apparatus for the determination of the position of a disc-shaped object, particularly of a wafer ( | 04-08-2010 |
| 20100141965 | Method and a device for measuring the edge of optical lenses - A method for determining the coordinates K of at least one point P | 06-10-2010 |
| 20100302556 | SENSOR SYSTEM AND METHOD FOR DETECTING MISALIGNED TRAYS AND/OR MIS-POSITIONED UTENSILS IN A DIRECT RECIRCULATING OVEN - A system and method for diagnosing a misalignment condition during operation of a continuous oven, which includes a conveyor system conveying and positioning trays carrying panned baked goods within an oven bake chamber defined at least in part by two side panels extending parallel to one another. The system includes an optical sensor arrangement having a transmitter and a receiver disposed along a line of sight, the line of sight extending across a location of the oven bake chamber such that a misaligned tray or mis-positioned utensil moving on the conveyor system disposed within the oven cavity interrupts the line of sight, which in accordance with the method causes the optical sensor system to provide a signal indicative of the misalignment condition. | 12-02-2010 |
| 20110116104 | Locating Method of Optical Touch Device and Optical Touch Device - A locating method for an optical touch device to calculate a position of a light blocking object is provided. The optical touch device includes a number of image detecting components. Each of the image detecting components includes a number of pixels arranged in a straight line. In the locating method, the pixels of each of the image detecting components are at least divided into a first group and a second group. When the first group detects a dark point caused by the light blocking object, the position of the dark point is calculated using a first calculating method. When the second group detects the dark point, the position of the dark point is calculated using a second calculating method. The locating method can determine the position of the light blocking object accurately. An optical touch device that is suitable for using the locating method is also provided. | 05-19-2011 |
| 20110116105 | COORDINATE LOCATING METHOD AND APPARATUS - A coordinate locating apparatus for locating at least one touch point on a plane and the method thereof are provided. The coordinate locating apparatus comprises: a first detecting unit, comprising a first light emitting element and a first light receiving element, arranged at a first location of the plane; a second detecting unit, comprising a second light emitting element and a second light receiving element, arranged at a second location of the plane; a first optical element arranged along an edge of the plane for reflecting and retro-reflecting light from the first and the second light emitting elements; and a second and third optical elements arranged along two edges of the plane for performing at least one of reflecting and retro-reflecting light from the first and the second light emitting elements or light reflected from the first optical element, both of the two edges being adjacent to the edge along which the first optical element is arranged, wherein the at least one touch point is located on the basis of the detected intensities of light received by the first and the second light receiving elements, and the detected intensities of light are compared with a first threshold and a second threshold. | 05-19-2011 |
| 20110128554 | OPTICAL POSITION DETECTION DEVICE, HAND DEVICE, AND DISPLAY DEVICE WITH POSITION DETECTION FUNCTION - A position detection device includes: a light source adapted to form a light intensity distribution of a detection light beam; a first detector adapted to receive a reflected light beam of the detection light beam reflected by an object in a detection area where the light intensity distribution is formed; a transmissive member disposed between the detection area and the light source, and between the detection area and the first detector, and having a first surface directed toward the detection area and a second surface directed toward the light source; a second detector adapted to receive a light beam reflected by the second surface out of the detection light beam; a position detector adapted to detect the object based on the detection result in the first detector; and a light blocking member disposed between the second detector and the detection area, and adapted to block the reflected light beam. | 06-02-2011 |
| 20110157604 | EDGE SENSING APPARATUS AND METHOD REDUCING SHEET FLY HEIGHT ERROR - An edge sensing apparatus is disclosed including first and second emitters, first and second detectors and a timer. Beams radiated from the first emitter being emitted in an opposite direction from beams radiated from the second emitter. The first and second detectors being aligned to receive beams from the first and second emitters respectively, where the first detector is offset in a cross-process direction from the first emitter and/or the second detector. The timer receiving signals from both the first and second detectors, wherein a change of the signals determines a position of an edge of a substrate media sheet causing the change of signals. Also, an edge sensing method is disclosed including measuring a mean time associated with a change of signals received from the two detectors and determining a location of a sheet edge causing the change of signals based on the mean time. | 06-30-2011 |
| 20120147385 | METHOD AND DEVICE FOR THE DETECTION OF A SUBSTRATE EDGE IN A PRINTING MACHINE - The present invention relates to a method and a device for the detection of a substrate edge in a printing machine comprising a substrate transport unit that defines a substrate transport path ( | 06-14-2012 |
