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| Number | Title | Issue Date |
| 8184278 | Optical sensing device with rotating type shading assembly An optical sensing device includes a shell, at least one light emitting member, a rotating type shading assembly and at least one optical sensing member. The shell is formed with a black-body condition space having a light emitting chamber, a shading chamber and at ... | 05/22/2012 |
| 8159660 | Optical level measurement device and method A method and system for determining a level of a substance in a container, the method comprises emitting one pulse from a light source in a field of illumination toward a surface of said substance in said container. A backscatter signal of said pulse is detected by ... | 04/17/2012 |
| 8120764 | Tilt sensor with power saving mechanism A tilt sensor with power-saving mechanism is provided. The tilt sensor includes a light-emitting element, a blocking object displaceable in an accommodating space on a baseboard, at least two first light sensors, a second light sensor and a control module. The first... | 02/21/2012 |
| 7973916 | Inclination detection methods and apparatus Apparatus and methods for detecting inclination employ a point source of light from which light is emitted through a lens toward a reflective surface of a liquid contained in a vessel. Light reflected from the surface passes through the lens to form a defocused imag... | 07/05/2011 |
| 7830501 | Surveying method and surveying instrument A surveying method using a the video total station comprises placing the video total station on a first platform, recording a first image of scenery, placing the video total solution on a second platform disposed at a distance from the first platform, measuring the ... | 11/09/2010 |
| 7692777 | Optical clinometer The invention is directed to an optical clinometer comprising a housing or vessel with a transparent liquid which forms a liquid horizon and which is suitable for changing the direction of at least one optical beam bundle depending on inclination. At least one light... | 04/06/2010 |
| 7688433 | Inclination detection methods and apparatus Apparatus and methods for detecting inclination employ a point source of light from which light is emitted through a lens toward a reflective surface of a liquid contained in a vessel. Light reflected from the surface passes through the lens to form a defocused imag... | 03/30/2010 |
| 7649621 | Optical inclinometer The invention relates to an optical inclinometer. According to the invention, an incline-dependent medium, e.g. a liquid surface, is positioned in the pupil of an optical subsystem and a detectable wave front is imaged onto a detector by means of said medium. A phas... | 01/19/2010 |
| 7612877 | Inclined detector An inclined detector comprises: a detector body provided with an interior containing space including a lower alcove which is funnel-shaped; a pair of detection components including a transmitting component and a receiving component, wherein, the transmitting compone... | 11/03/2009 |
| 7411667 | Method for correcting disturbances in a level sensor light path The invention relates to a level sensor for determining a height of a substrate. The level sensor generates one or more measurement beam and directs the measurement beam to a measurement spot on the substrate and produces a reflected measurement beam. The level sens... | 08/12/2008 |
| 7388658 | Inclination detection methods and apparatus Apparatus and methods for detecting inclination employ a point source of light from which light is emitted through a lens toward a reflective surface of a liquid contained in a vessel. Light reflected from the surface passes through the lens to form a defocused imag... | 06/17/2008 |
| 7385685 | Position detecting device and inclination sensor device of surveying apparatus using the same A position detecting device includes: a liquid having a free surface; a light source configured to irradiate a light flux toward the free surface of the liquid; a dark field pattern provided between the liquid and the light source and configured to form a pattern of... | 06/10/2008 |
| 7370980 | Projection type video display At the time of manual adjustment, a motor driving signal corresponding to a user's key operation is fed to a focusing motor from a microcomputer through a switch. At the time of automatic adjustment, the switch selects a motor driving signal from a sensor and feeds ... | 05/13/2008 |
| 7345748 | Survey system capable of remotely controlling a surveying instrument In a survey system in which guide light is emitted from the side of a target, and, on the side of a surveying instrument, a telescope is directed roughly toward the target by receiving the guide light so as to shorten the time required for automatic collimation, the... | 03/18/2008 |
| 7339662 | Exposure apparatus and a device manufacturing method using the same A scanning type exposure apparatus includes a projection optical system which projects a pattern of a reticle onto a wafer, which is held by a wafer chuck, a scanning stage system which scanningly moves the reticle and the wafer synchronously with respect the projec... | 03/04/2008 |
| 7336350 | Wheel alignment apparatus and method utilizing three-dimensional imaging A vehicle wheel alignment system utilizing a non-contact range finding system in conjunction with one or more optical imaging sensors to acquire images of a fixed target, fixed random object, or the vehicle wheels, from which three-dimensional information related to... | 02/26/2008 |
| 7331477 | Method and device for determining a swinging motion of a load suspended from a lifting gear A method and a device for determining the rotary oscillation of a load suspended from a lifting gear are disclosed. The lifting gear includes a trolley equipped with a camera that can be oriented towards the load. The load includes at least two spaced apart markers,... | 02/19/2008 |
| 7319515 | Rotary laser apparatus A rotary laser apparatus includes a light-projection section configured to irradiate at least two fan-shaped beams extending in a fan-shaped form in a direction orthogonal to a rotary axis. The light-projecting section includes a laser beam source for generating a l... | 01/15/2008 |
| 7310137 | Self surveying laser transmitter A self-surveying laser transmitter comprising a laser transmitter configured to generate at least one rotating laser beam and a radio positioning system integrated with the laser transmitter. The radio positioning system is configured to obtain the precise coordinat... | 12/18/2007 |
| 7304727 | Laser distance-measuring device A laser distance-measuring device includes a laser-transmitting portion, a laser-receiving portion, a coupling portion, an inclination-measuring portion, a signal-processing portion, and a display. The laser-transmitting portion emits a laser beam, and the laser-rec... | 12/04/2007 |
| 7299557 | Tilt sensor A tilt sensor has a source for optical radiation, a pattern support having an optically effective pattern for the passage of the optical radiation generated by the source, a tilt-sensitive unit downstream of the pattern support in the direction of propagation of the... | 11/27/2007 |
| 7295296 | Portable target locator apparatus and method of use A portable target locator for use by a ground observer to accurately determine the location of a target and transmit location information and firing instructions to an unmanned vehicle so the unmanned vehicle can locate the target and perform an operation based on t... | 11/13/2007 |
| 7292326 | Interferometric analysis for the manufacture of nano-scale devices The present invention features a system to determine relative spatial parameters between two coordinate systems, which may be a mold and a region of a substrate in which mold is employed to generate a pattern. The system senses relative alignment between the two coo... | 11/06/2007 |
| 7289230 | Wireless substrate-like sensor A wireless substrate-like sensor is provided to facilitate alignment and calibration of semiconductor processing systems. The wireless substrate-like sensor includes an optical image acquisition system that acquires one or more images of targets placed within the se... | 10/30/2007 |
| 7280195 | Method and apparatus for measuring resource information of mobile communication base station antenna A method and apparatus for measuring resource information of a mobile communication base station antenna. The apparatus three-dimensionally measures resource information of a mobile communication base station antenna using a distance/angle measurement device, such t... | 10/09/2007 |
| 7259842 | Optical inclinometer The invention relates to an optical inclinometer, in which radiation is emitted form a radiation source. After passing through a receptacle containing at least one first medium, said radiation is reproduced in a camera. Information concerning the inclination of the ... | 08/21/2007 |
| 7217371 | Optical control interface between controller and process chamber The present invention relates to interfacing new sensors to incumbent controls. In particular, it relates to optically interfacing a new sensor, such as a spectrometer with plasma generator, to an incumbent electro-optical sensor. Logic and resources to control acti... | 05/15/2007 |
| 7209225 | Inclination angle detection device and inclination angle detection method Each of a horizontal chart generating unit and a vertical chart generating unit generate eight charts #0 to #7, the bright/dark sections being placed sequentially in equal distances. Each pattern of each charts #0 to #7, is shifted little... | 04/24/2007 |
| 7201553 | Method and device for feeding reels to a machine A device (2) for feeding reels (3) has a manipulator (14) having a gripping member (19) for picking up one reel (3) at a time off a pallet (16) and transferring the reel (3) to an unwinding pin (4a; 4... | 04/10/2007 |
| 7200292 | Optical fiber inclinometer An optical fiber inclinometer comprises a pair of fiber Bragg grating devices, a fixed base, a connection plate, and a rotatable base. One end of the connection plate is fixed to the fixed base, whereas the other end of the connection plate is connected to the rotat... | 04/03/2007 |
| 7166855 | Surface position detecting system and method A surface position detecting system for detecting surface information related to a substrate. The system includes a single sensor for measuring surface positions at plural locations on the substrate, while relatively scanning the substrate, a discriminating device f... | 01/23/2007 |
| 7148958 | Method and system for measuring height or relatively axial position A pair of rotary laser devices are vertically arranged while aligning their respective axes into a single axis and keeping said rotary laser devices away from each other in an axial direction thereof by a predetermined interval, and a light-receiving sensor is kept ... | 12/12/2006 |
| 7131732 | Projector apparatus, inclination angle obtaining method, and projection image correction method In a projector to which the present invention is applied, a distance sensor measures distances between the projector and a plurality of points on a screen. An angle calculation unit obtains a formula representing a screen surface, based on plural pieces of distance ... | 11/07/2006 |
| 7123353 | Method for monitoring slope lands and buildings on the slope lands A method for monitoring slope lands and buildings on the slope lands includes installing a light transceiver on a slope land and a light emission device on a location or a building corresponding to the light transceiver. When light emitted from the light emission de... | 10/17/2006 |
| 7120524 | System for measuring points on a vehicle during damage repair A carriage moves back and forth under a vehicle and three cameras or laser fixed along one axis pivot in a common plane, utilizing two cameras at time to locate a target fixed to a reference point on the undercarriage of the vehicle. Triangulation calculations, comb... | 10/10/2006 |
| 7116412 | Angle detection optical system, angle detection apparatus, optical signal switch system and information recording and reproduction system A reflective surface for detection is provided in an object being detected. Laser light condensed by a condensing lens is emitted from a laser light source and angle detection is performed by performing angle detection of the reflected light. The reflected light is ... | 10/03/2006 |
| 7113270 | Determination of an orientation parameter of an elongate object with a scan beam apparatus An elongate object optically determines at least one of its orientation parameters relative to a plane surface. A probe radiation beam is directed from the object at various angles σ to various locations on the plane, where the angle σ is a periodic function of ti... | 09/26/2006 |
| 7099000 | Laser leveling apparatus A laser levelling apparatus includes a platform, a base assembly, a body assembly, a head assembly and a laser assembly. The body assembly is rotatable about a body axis relative to the base assembly, the head assembly is rotatably supported by the body and rotatabl... | 08/29/2006 |
| 7095494 | Method and apparatus for measuring temporal response characteristics of digital mirror devices A method and system for measuring the temporal response of a micromirror array to a variety of driving signals. A micromirror array is illuminated with a coherent light source so that a diffraction pattern is reflected from the micromirror array. One or more photode... | 08/22/2006 |
| 7075634 | Surveying system An automatic surveying system is provided that comprises a surveying device, a collinear-line calculating processor, a sighting direction control processor, and an object-point searching processor. The collinear line calculating processor obtains a collinear line fo... | 07/11/2006 |
