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| Number | Title | Issue Date |
| 8081363 | Optical beam scanning apparatus and image forming apparatus An optical beam scanning apparatus and an image forming apparatus having the optical beam scanning apparatus are provided. The optical beam scanning apparatus includes a light source; a pre-deflection optical system; an optical beam deflecting device; a sensor; and ... | 12/20/2011 |
| 8058634 | Method and apparatus for determining sheet position using information from two distinct light beams each at a different position and a different angle A method for determining a position of a selected area of a sheet of material relative to a reference plane includes launching a first incident light beam at the selected area of the sheet of material such that the first incident light beam strikes the selected area... | 11/15/2011 |
| 8022380 | Laser irradiation method in which a distance between an irradiation object and an optical system is controlled by an autofocusing mechanism and method for manufacturing semiconductor device using the same The present invention is to provide a laser irradiation method for performing homogeneous laser irradiation to the irradiation object even when the thickness of the irradiation object is not even. In the case of irradiating the irradiation object having uneven thick... | 09/20/2011 |
| 7999245 | Network centric directed energy systems A system is provided where the system comprises a plurality of optical sources, each optical source configured to generate an optical beam and direct the optical beam from each of the plurality of optical sources towards a target; a beam discriminator module configu... | 08/16/2011 |
| 7999244 | MEMS devices and related scanned beam devices Embodiments relate to a MEMS device including a scanner rotatable about at least one rotation axis, with the scanner having a characteristic resonant frequency. According to one embodiment, the MEMS device includes drive electronics operable to generate a drive sign... | 08/16/2011 |
| 7855376 | Lighting system and method for illuminating and detecting object An object-detecting lighting system comprises a light source emitting visible light. A source controller is connected to the light source to drive the light source into emitting the visible light in a predetermined mode. An optical detector is positioned with respec... | 12/21/2010 |
| 7829874 | Universal self-contained proximity sensor for attachment to a night-vision device A universal self-contained proximity sensor for attachment to any night-vision device that does not have such a sensor or for replacement of the existing sensor. The proposed sensor has a cable with a connection cap that connects terminal contacts of the sensor with... | 11/09/2010 |
| 7820994 | System to test electronic part and method of controlling the same Disclosed herein are a system to test an electronic part and a method of controlling the same, which are capable of automatically detecting a position of a socket according to a variation in a position of the socket to efficiently test the electronic part. The syste... | 10/26/2010 |
| 7800090 | Optical position tracking input device having a self-test function and method of testing the same An optical position tracking device and a method of testing the same are provided. The device includes: a controller for generating at least one test operation signal in response to a command signal; a test signal generator for generating a test signal during a test... | 09/21/2010 |
| 7763875 | System and method for sensing position utilizing an uncalibrated surface Systems and methods adapted for use with uncalibrated patterned surfaces for sensing any of position, displacement, velocity, acceleration, area, and volume are provided. A system includes a memory, processing electronics, and at least one readhead adapted to move r... | 07/27/2010 |
| 7692174 | Method and apparatus for determining a relative position of a processing head with respect to a substrate with a structure A method and apparatus wherein a substrate is provided with a preformatted structure, with structural elements arranged in a matrix, wherein the matrix extends in an X-direction and Y-direction, wherein a processing head is provided, wherein a camera is provided whi... | 04/06/2010 |
| 7560719 | Commutator measuring device The present disclosure provides an apparatus and method for the measurement of the width and radial spacing of commutator segments with respect to span. The apparatus utilizes a microprocessor and computer to record and calculate data from both a rotary encoder whee... | 07/14/2009 |
| 7525113 | Optical scanning unit and method for mounting the same An optical scanning unit of a position measuring system for measuring a relative position of a first machine element with respect to a second machine element in a measuring direction. The optical scanning unit includes a support of a scanning grating attached to the... | 04/28/2009 |
| 7498596 | Exposure method that obtains, prior to exposure, reticle surface form data and measurement position error, for scanning control An exposure method for exposing a pattern of a reticle onto a plate, via a projection optical system, while synchronously scanning the reticle and the plate. The exposure method includes the steps of (a) measuring before exposing, the measuring step including (i) a ... | 03/03/2009 |
| 7491956 | Optical scanning device having a distance sensor and a determined focal distance for scanning objects An optical scanning device is provided. The optical scanning device an excitation light source that is operable to illuminate the object to be scanned. An image detector is operable to detect excited emission rays through illumination of the object to be scanned by ... | 02/17/2009 |
| 7468522 | Collar, system and method for detecting a mark on a rod A collar, a system and a method detect a mark on a rod within an interior of the collar. The mark and the rod move from a first position to a second position within an interior of the collar between a first end and a second end of the collar. A light emitter and/or ... | 12/23/2008 |
| 7439488 | Positioning apparatus and method thereof A positioning apparatus for a printer is provided. The positioning apparatus includes at least one encoder, an OPC belt, and a code strip consisting of a reference bar code region, a blank region and normal bar code region. The OPC belt is moved relatively to the en... | 10/21/2008 |
| 7423767 | Method and apparatus for transmitting energy via a laser beam To transmit energy without direct mechanical or electrical contact, a transmitter unit emits a laser beam onto a radiation receiver of a receiver unit including a photovoltaic cell arrangement surrounded by a ring-shaped reflector. A portion of the laser beam is ref... | 09/09/2008 |
| 7423768 | Scanning unit for a position measuring system for the optical scanning of a scale and position measuring system utilizing such a scanning unit A scanning unit for a position measuring system for the optical scanning of a scale, the scanning unit including a light source for transmitting light in a direction toward a section of a scale and a detector for receiving light modified by the scale. A lens arrange... | 09/09/2008 |
| 7420196 | Multiple axis multipoint non-contact measurement system Apparatus for optically measuring a remote object comprises at least one source for projecting a plurality of discrete zones of electromagnetic radiation (for example laser spots) along a projection plane. Imaging apparatus images a plurality of reflections from the... | 09/02/2008 |
| 7417749 | Method and apparatus for protecting an optical transmission measurement when sensing transparent materials A method and apparatus for protecting an optical transmission measurement when sensing transparent materials. Sensing apparatus located in a housing directs a light beam at an upward angle to a sheet of transparent material and detects downward surface reflections o... | 08/26/2008 |
| 7417748 | Method and apparatus for measuring dimensional changes in transparent substrates A method of measuring dimensional changes in a transparent substrate includes forming an array of reference markers on a reference plate, forming an array of substrate markers on the transparent substrate, stacking the reference plate and transparent substrate such ... | 08/26/2008 |
| 7415212 | Data communication system, data transmitter and data receiver A transmitter formed of two or more light-emitting sections such as LEDs, which are physically arranged in a predetermined manner, is disposed in the real world object, and each light-emitting section transmits data by flashing at a flashing pattern representing the... | 08/19/2008 |
| 7411171 | Circuit for analyzing a signal reflected from an object In a circuit arrangement for analyzing a clocked signal reflected from an object, particularly an optical signal, wherein at least one radiation emitter which, for providing the clocked signal, is connected to a clocking signal generator, and at least one radiation ... | 08/12/2008 |
| 7408137 | Image capture device with a map image generator A digital camera receives position information from GPS satellites for detecting camera position when capturing an image. Additional information, which is composed of the camera position, camera azimuth and focal distance of the taking lens, is added to image data o... | 08/05/2008 |
| 7405390 | Position detection system A plurality of optical beacons that emit light in respective light emitting patterns containing an ID code are distributed and installed in a space in which of a mobile body are moved. The mobile body is provided with a detection unit. The detection unit identifies ... | 07/29/2008 |
| 7391043 | Self calibrating media edge sensor Various edge detection arrangements are disclosed, including an edge detection method and arrangement that utilizes outputs of commonly illuminated reference and edge sensors as the inputs for a comparator. The reference sensor is configured to have a wide field of ... | 06/24/2008 |
| 7376261 | Surface scan measuring device and method of forming compensation table for scanning probe A measuring system includes a coordinate measuring machine for driving a scanning probe and a host computer. The host computer includes a compensation table (53) and a profile analysis unit (54). The compensation table stores, as compensation data, com... | 05/20/2008 |
| 7375361 | Optical alignment device for machine tool The orientation of a machine 2 relative to a work-piece 10 is manually controlled by means of an alignment device 4. The device 4 includes a light source 24 rigidly attached to a foot 12 that is resiliently movably attached ... | 05/20/2008 |
| 7363102 | Method and apparatus for precise marking and placement of an object The present invention provides a precise marking apparatus for performing precise marking on an object and methods of using the same. The precise marking apparatus comprises an object input handler and an object output handler for handling the object; a transport sy... | 04/22/2008 |
| 7355720 | Optical displacement sensor An optical displacement sensor is disclosed which uses a vertical-cavity surface-emitting laser (VCSEL) coupled to an optical cavity formed by a moveable membrane and an output mirror of the VCSEL. This arrangement renders the lasing characteristics of the VCSEL sen... | 04/08/2008 |
| 7352475 | Measuring method and apparatus using shearing interferometry, exposure method and apparatus using the same, and device manufacturing method A measuring apparatus for irradiating measuring light and for measuring optical performance of a target optical system includes a barrel for housing the target optical system, the barrel being rotatable around an optical axis of the target optical system, and an ill... | 04/01/2008 |
| 7352891 | Position detecting method There is provided a position detecting method for detecting a position of an object, on which an alignment mark including plural mark elements is formed. The method includes the steps of obtaining positional information indicative of each position of the plural mark... | 04/01/2008 |
| 7349158 | Diffraction grating-based encoded micro-particles for multiplexed experiments Microparticles 8 includes an optical substrate 10 having at least one diffraction grating 12 disposed therein. The grating 12 having a plurality of colocated pitches Λ which represent a unique identification digital code that is detected... | 03/25/2008 |
| 7342574 | Method and apparatus for inputting information including coordinate data A method, computer readable medium, and apparatus for inputting information, including coordinate data, includes: extracting a predetermined object from an image, including a predetermined object above a plane; detecting motion of the predetermined object while the ... | 03/11/2008 |
| 7333213 | Confocal microscopy An improved confocal microscope system is provided which images sections of tissue utilizing heterodyne detection. The system has a synthesized light source for producing a single beam of light of multiple, different wavelengths using multiple laser sources. The bea... | 02/19/2008 |
| 7330567 | Human tracking apparatus and method, storage medium storing program executing the method, and mobile electronic system including the apparatus A human tracking apparatus and a human tracking method, a storing medium storing a program for executing the method, and a mobile electronic system including the apparatus. The human tracking apparatus includes: an upper body location detection module detecting at l... | 02/12/2008 |
| 7322229 | Device and method for measuring the profile of a surface The invention provides a surface profile measurement device for use on rigid or semi-rigid substrates, such as floors. The device includes (a) a beam; (b) at least one beam support mounted on the beam; (c) a sensor assembly slidably connected to said beam and adapte... | 01/29/2008 |
| 7321108 | Dynamic focusing method and apparatus A method and apparatus for dynamically focusing an imaging mechanism on a moving target surface having a variable geometry is herein disclosed. Apparatus for focusing an imaging mechanism may include an objective, a prism, or another optical device that forms part o... | 01/22/2008 |
| 7321421 | Apparatus and methods for scanning conoscopic holography measurements Apparatus and methods for scanning conoscopic holography measurements are disclosed. In one embodiment, a system includes a conoscopic holography sensor, a beam directing assembly, and a control assembly. The beam directing assembly is adapted to adjustably direct a... | 01/22/2008 |
