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| Number | Title | Issue Date |
| 7317186 | Short torch design for direct liquid sample introduction using conventional and micro-nebulizers for plasma spectrometry An apparatus and method for providing direct liquid sample introduction using a nebulizer are provided. The apparatus and method include a short torch having an inner tube and an outer tube, and an elongated adapter having a cavity for receiving the nebulizer and po... | 01/08/2008 |
| 7073907 | Optometric apparatus An optometric apparatus for subjectively examining visual functions of an eye (PE) of an examinee is disclosed. This apparatus includes: a disposing unit (2) for disposing an optical element (4) in front of the examinee's eye; a cornea position alignme... | 07/11/2006 |
| 6963074 | Omni-directional optical code reader using scheimpflug optics An optical code reader for reading optical codes in any orientation with a preferred depth of field (DOF), the optical code reader including imaging sensor arrays arranged at angles to one another and tilted in accordance with the Scheimpflug principle to allow for ... | 11/08/2005 |
| 6839470 | Pattern evaluation method, pattern evaluation system and computer readable recorded medium A pattern evaluation method includes: scanning an object to be measured on which a pattern has been formed with an energy beam and obtaining an image data of the object by detecting a scattered particle which is produced from the object; recognizing at least one edg... | 01/04/2005 |
| 6825437 | Apparatus enabling particle detection utilizing wide view lens When determining the presence of foreign particles in a processing chamber by radiating a laser beam inside a processing chamber and detecting scattered light from foreign particles within the processing chamber, the detection of scattered light is performed using a... | 11/30/2004 |
| 6580091 | APPARATUS AND METHOD FOR OPTICAL EVALUATION, APPARATUS AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE, METHOD OF CONTROLLING APPARATUS FOR MANUFACTURING SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE A top surface of a wafer is provided with an n-type source region, an n-type drain region, and an n-type semiconductor region. Dry etching using a plasma is performed with respect to an interlayer insulating film deposited on the wafer to form openings re... | 06/17/2003 |
| 6462822 | Method and apparatus for detecting overhead transparencies This invention relates to a method and apparatus for detecting overhead transparencies (OHT), such as a dual OHT. Dual overhead transparencies, preferably, have a coating on one side that is compatible with ink jet-type printers and a coating on the other... | 10/08/2002 |
| 5940171 | Coincidence and stereoscopic type binocular rangefinder device with separable binocular A coincidence and stereoscopic binocular rangefinder is disclosed for measuring distance to sighted targets. The rangefinder preferably has three optical windows for receiving radiation from a sighted target allowing the user to use both his ability to al... | 08/17/1999 |
| 5517357 | Anti-vibration optical device An optical device having an objective lens system including at least two lens groups (at least one of which is shiftable in the optical axis direction), a vibration detector for detecting a vibration of the objective lens system, and outputting a signal i... | 05/14/1996 |
| 5483336 | Self correcting stereoscopic auto-rangefinder A stereoscopic rangefinder is disclosed for determining the distance of a target object by measuring the angle of parallax of light scattered by the target. The rangefinder includes two arrays of photosensitive elements upon each of which a distinct targe... | 01/09/1996 |
| 5280332 | Method and apparatus for self-correcting, direct sensing coincidence sensor for optical rangefinders A device to precisely determine the angle of parallax formed by a target object of interest and first and second entrances (30, 30') for the purpose of rangefinding for example. The device having photodetectors (46) for sensing the separation of first and... | 01/18/1994 |
| 5262838 | Apparatus and means for binocular, switchable to binocular rangefinder without light loss The invention is directed to an electro-optical rangefinding-type apparatus which uses electronic sensors to detect the position and orientation of the apparatus relative to a fixed point. Data from the sensors is relayed to a microprocessor which can cal... | 11/16/1993 |
| 4886347 | Range-finding binocular A range-finding binocular is disclosed which has substantially the external appearance and size of a conventional binocular. In each barrel, a system is provided for obtaining a projected image of a range-mark of circular symmetry which is focused in the ... | 12/12/1989 |
| 4355904 | Optical inspection device for measuring depthwise variations from a focal plane A scanning laser measurement system for measuring depthwise variations of surfaces relative to a focal plane of an optical system. Laser light is directed to a test surface, generally aligned with the focal plane, through focusing optics having an optical... | 10/26/1982 |
| 4204772 | Optical measuring system A non-contacting optical probe incorporates an optical system designed to measure distances between various surfaces which may be internal or external such as exists in molds and the like. A collimated light beam is passed off-center through a first lens ... | 05/27/1980 |
| 3941476 | Focus system A system for visually determining the distance to an object includes a lens that is adapted to be sighted upon an object, said lens being divided equally in a first direction with each half covered by polarizing masks arranged at right angles to each othe... | 03/02/1976 |