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| Number | Title | Issue Date |
| 7361920 | Substrate processing apparatus and transfer positioning method thereof A substrate processing apparatus has a transfer mechanism arranged on a transfer base and configured to transfer a processing substrate between predetermined transfer positions, a mapping sensor arranged on the transfer base and configured to detect an arrangement s... | 04/22/2008 |
| 7340930 | Method for securing a machine tool and opto-electronic sensor for carrying out such a method The invention relates to a method for securing a machine tool comprising a first tool part that carries out work movements in the direction of a second tool part in order thereby to carry out a machining process on a workpiece, wherein an optoelectronic sensor monit... | 03/11/2008 |
| 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 |
| 7312433 | Measuring device and method for detecting objects interrupting a beam of radiation The invention relates to a measuring device 5 of the type which detects the interruption of a beam of radiation (e.g. light 20) by an object (50 FIG. 1) in the beam. The device includes a light emitter 12 and a light dete... | 12/25/2007 |
| 7275438 | Method and device for recognition of a tear-off strip on a material web In order to check a material web (12), in particular a film web, with regard to the correct arrangement of a tear-off strip (11) extending in the longitudinal direction of the material web (12), ultrasonic transmitters are used, specifically an ... | 10/02/2007 |
| 7262868 | Method of and apparatus for ascertaining the transverse dimensions of rod-shaped articles The invention relates to a method of and to an apparatus for ascertaining the transverse dimensions, such as diameters, of one or more rod-shaped articles, for example, continuous or finite-length cigarette rods and/or other rod-shaped smokers' products. When the me... | 08/28/2007 |
| 7242486 | Note skew detector A note skew detector, for use in a note transport mechanism of an Automated teller Machine (ATM) is described. The detector comprises a light source and a single optical sensor, optically coupled via a pair of optical wave-guides arranged to have an air gap there be... | 07/10/2007 |
| 7227163 | Product inspection system and a method for implementing same An inspection system and a method for using the inspection system, wherein the inspection system includes a collimated light source defining a source optical path, the collimated light source being operable to cause a collimated light beam to propagate along the sou... | 06/05/2007 |
| 7205528 | Method of and apparatus for detecting coordinate position having three scanning modes It is an object of the present invention to perform a coordinate position detection not involving detection miss, even if a drawing process frequently involves detection interruptions on a display surface. A method of the invention comprises: performing a scanning i... | 04/17/2007 |
| 7206663 | Calibration cassette pod for robot teaching and method of using A calibration cassette pod for robot teaching and a method of using the calibration cassette pod are described. In the calibration cassette pod, a cassette pod body and a cassette pod door are first provided wherein the cassette pod body is constructed of a top pane... | 04/17/2007 |
| 7187457 | Apparatus for measuring sizes of articles An apparatus for measuring sizes of articles including a light projecting device for projecting light toward an article placed on a stationary transparent plate from one side of the plate, a photo-sensor device arranged on the other side of the plate and having plur... | 03/06/2007 |
| 7164783 | Object inspection system An object inspection system includes an object feeding device, a positioning device including a rotatable wheel with a peripheral edge face formed with retaining grooves for positioning objects from the feeding device, an image recognition detector for detecting a s... | 01/16/2007 |
| 7129507 | Chip mis-position detection method The invention is a method for detecting float or peel of semiconductor chips arranged in X and Y axes directions diced and bonded to a dicing tape on a stage. The method includes detecting float or peel of the semiconductor chips in a respective horizontal or longit... | 10/31/2006 |
| 7126144 | Method for the contactless measurement of an object The invention relates to a method for the contactless measurement of an object in at least one dimension. An object is scanned in a spatially restricted effective zone of a scanning beam field and the size of the object in terms of the measured dimension is deduced ... | 10/24/2006 |
| 7126145 | Frame transfer prober A frame transfer prober 1, for carrying out an electrical property test on a number of semiconductor chips 10 fixed on a dicing tape 11, comprises a separation detection unit 9 for detecting the separation and/or protrusion of the semicon... | 10/24/2006 |
| 7080583 | Method and apparatus for presetting specimens in a cutting device In microtomes or ultramicrotomes, it is necessary to preset the specimen (14) onto the knife (16). In order to facilitate and automate this presetting operation, which is intended to guarantee the fastest and most accurate possible positioning of the k... | 07/25/2006 |
| 7067833 | Device for wrapping bodies, in particular bales of harvested material An apparatus for wrapping harvested crop material into bales wherein the wrapping material web is drawn off from a wrapping media supply which rotates about a vertical axis while, at the same time, the bale rotates about a horizontal axis. A sensor is provided which... | 06/27/2006 |
| 7049620 | Media type sensing method for an imaging apparatus A method of correcting for sensitivity variation of media sensors includes determining a first signal level corresponding to a first calibration media having a first glossiness; determining a second signal level corresponding to a second calibration media having a s... | 05/23/2006 |
| 6995837 | Optical inspection system and method of use In a preferred embodiment, an optical inspection machine for fasteners, including: an inspection station; a main dial rotatable through the inspection station and carrying thereon a plurality of fasteners; a reflective surface surrounding each of the plurality of fa... | 02/07/2006 |
| 6957578 | Yarn sensor A yarn sensor (25) for monitoring at least one parameter of a traveling yarn (17), e.g., in spinning and bobbin-winding machines, has a measuring gap (16) and a housing made of a non-conductive plastic material for containing electronic componen... | 10/25/2005 |
| 6927386 | Optical position detecting device and recording medium including an operational defect judgment The position of a light blocking object is detected not only within a display screen, but also outside the display screen. With the use of the function of detecting the position in a region outside the display screen, it becomes possible to provide virtual buttons i... | 08/09/2005 |
| 6912047 | Apparatus, method and system for inspecting a fastener The apparatus, method and system for inspecting a fastener installed in a structure includes the illumination of a fastener and a portion of the structure surrounding the fastener, the detection of the light reflected from the fastener and the portion of the structu... | 06/28/2005 |
| 6906307 | Fail safe one wire interface for optical emitter-detector photo-eye systems with diagnostics A one wire interface for optical emitter-detectors is disclosed that is fail-safe, simple, and includes diagnostics, noise and static protection. Two indicator lamps are used for diagnostics indicating four conditions; a) Ready, b) Not Connected, c) Blocked Beam, d)... | 06/14/2005 |
| 6900451 | Mapping sensor system for detecting positions of flat objects The mapping sensor system of the invention is intended for use with a mechanical arm of an industrial robot which loads and unloads flat circular objects, such as semiconductor wafers, into and from wafer cassettes on operations of processing the semiconductor wafer... | 05/31/2005 |
| 6891181 | Opto-electronic transmissive edge location sensor Optical sensor methods and systems for detecting the edge of an object are disclosed. An optical sensor having dual equal area active regions can be provided, and a uniform light source located opposite the optical sensor, such that an occlusion of light from the un... | 05/10/2005 |
| 6878953 | Optical measuring apparatus for measuring objects on machines The present invention teaches a method and apparatus for making measurement of an object on a machine, such as a machine tool, using an optical measuring apparatus which includes a light source for generating a beam of light which is incident on a detector. A detect... | 04/12/2005 |
| 6844539 | Touch location by retroflected scanned optical beams The position of a light blocking object is detected not only within a display screen, but also outside the display screen. With the use of the function of detecting the position in a region outside the display screen, it becomes possible to provide virtual buttons i... | 01/18/2005 |
| 6784415 | Method of installing a multi-beam photoelectric safeguard system and method of adjusting its optical axes A method of installing a multi-beam photoelectric safeguard system for making a light curtain of closely aligned light beams closely to a pressing machine first positions main light emitting and detecting devices (11, 12). The method next mounts a projecting ... | 08/31/2004 |
| 6762426 | Threaded fastener inspection method An optical inspection system is disclosed to detect any cross threading or improper insertion of a threaded fastener after being affixed to a workpiece. A plurality of laser devices is used for said inspection with the projected laser beams becoming partially blocke... | 07/13/2004 |
| 6737663 | Apparatus and method for detecting tilt angle of a wafer platform An apparatus and a method for detecting the tilt angle of a wafer platform in a process machine, particularly in a medium density ion implanter. The apparatus and method can be used to accurately calibrate the zero-angle position of a wafer platform in the medium en... | 05/18/2004 |
| 6677574 | Protective device for machines such as bending presses, cutting machines, punching machines or the like A guard means for machines, more particularly pressbrakes, guillotines, stamping machines and the like in the case of which a first machine part (10) performs working movements toward a second machine part (11). Between the machine parts a photoelectric d... | 01/13/2004 |
| 6635894 | Optical measuring apparatus for measuring objects on machines The present invention teaches a method and apparatus for making measurement of an object on a machine, such as a machine tool, using an optical measuring apparatus which includes a light source for generating a beam of light which is incident on a detecto... | 10/21/2003 |
| 6614014 | Method for selecting the operation of an optical detector and multimode optical detector Method for configuring the operating mode of an optical detector, by recognition, following an emission in a first operating mode M1, by means of the receiving system. The latter then confirms the detector in the first operating mode or switches it over i... | 09/02/2003 |
| 6573522 | Locator pin integrated with sensor for detecting semiconductor substrate carrier A storage surface for a semiconductor substrate carrier has substrate carrier sensors that are integrated with locator pins. Each locator pin includes a pin body mounted on, and extending upwardly from, the surface. The pin body has a slot formed at an up... | 06/03/2003 |
| 6528808 | Transmitting photoelectric sensor array A plurality of sensing arms are provided at intervals on a sensor case so as to project outwardly of the case. A light-projecting element and a photoreceptor element forming a pair are provided in the sensor case so as to correspond to respective ones of ... | 03/04/2003 |
| 6441386 | Apparatus and method for mounting electronic component Apparatus and method for mounting electronic components enhanced in mounting efficiency by eliminating loss time are disclosed. In the apparatus and method, electronic components are picked up from a supplying unit of the electronic components by a transf... | 08/27/2002 |
| 6429418 | Imaging system A system for generating an image of a space includes a camera having an image plane and a field of view. A reflective surface is positioned within the field of view of the camera and configured to reflect radiation from the space onto the image plane of t... | 08/06/2002 |
| 6403951 | Detection module and positioning, holding or gripping device for a piece of automobile body work A device for positioning, holding or gripping pieces of automobile body work, includes a body having a slot permitting the passage of a target or a flag to be detected. The body is provided with a detection module having at least two optical transmission ... | 06/11/2002 |
| 6348696 | Method and device for detecting the position of the edge of a moving material web A method for detecting the position of the edge of a moving material web by contactlessly scanning the material web with a row of sensors. The sensors generate signals that are filed in a storage unit. A turning point is determined based on the function o... | 02/19/2002 |
| 6346988 | Laser position array optical measuring system and method An optical measuring system capable of high resolution measurement of objects, and a method of measuring the same, are provided. The optical measuring system is formed in one integral, portable unit, and includes a laser source having associated optics fo... | 02/12/2002 |
