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| Number | Title | Issue Date |
| 8184267 | Surveying instrument The present invention provides a surveying instrument provided with a tracking function, said surveying instrument comprising a first image pickup means 40 with a first solid image pickup element 33, a second image pickup means 37 with a second ... | 05/22/2012 |
| 7852461 | Dual mode depth imaging Dual mode depth imaging system and method is provided, the system comprising a first and second image sensors and a processor able to switch between a first mode of depth imaging and a second mode of depth imaging according to at least one predefined threshold. The ... | 12/14/2010 |
| 7333181 | Methods for the use and manufacture of infrared position sensing detector focal plane arrays for optical tracking A Sensor Chip Assembly (SCA) contains a focal plane array constructed as a semiconductor chip sandwich. One slice contains an array of PSDs made from IR sensitive semiconductor material, and the other slice contains Trans Impedance Amplifiers (TIAs)—and associated... | 02/19/2008 |
| 7292179 | Instantaneous passive range finding A method and apparatus for use in determining the range in a single time sample from a platform to a target are disclosed. The method includes receiving radiation emanating from the target at two points on the platform in a common time sample; detecting the received... | 11/06/2007 |
| 7242789 | Moving-body detecting image sensor Two photodetectors output electric signals based on the detection of light at light receiving sections mutually spaced apart. The output signal of one of the photodetectors is delayed and a first pulse signal is generated, and second pulse signal having no delay is ... | 07/10/2007 |
| 7224397 | AF control apparatus and AF control method A CPU performs a control for photographing a main subject in absence of auxiliary light, whereby an image signal is outputted from an analogue signal processing section. Next, the CPU performs a control for photographing the main subject in presence of the auxiliary... | 05/29/2007 |
| 7212278 | Method and device for recording a three-dimensional distance-measuring image The invention relates to methods and devices for recording three-dimensional distance-measuring images of an object surface by measuring light propagation time using a short-term integrated photodetector. For starting a light-induced pulse on the transmission side, ... | 05/01/2007 |
| 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 |
| 7154589 | Rangefinder apparatus In a rangefinder, if sensor data initially received by a sensor data storage part from an A/D converter includes data with low contrast, the sensor data storage part receives the sensor data at least one additional time, adds additionally received sensor data to the... | 12/26/2006 |
| 7125312 | Rotor-grinding machine comprising a rotary head with two grinding wheels The invention relates to a machine (1) for grinding the blades of a turbine rotor (2) or a compressor. The inventive machine consists of a rotary head (6) which is provided with two different grinding wheels (7, 7′) for grinding the rot... | 10/24/2006 |
| 7119912 | Ranging sensor and electronic device using the same A ranging sensor includes: a light emitting element; a projection lens for projecting light emitted from the light emitting element to an object; a condenser lens for condensing light reflected from the object; and a light receiving element, provided at the light co... | 10/10/2006 |
| 7068317 | Photoelectric conversion apparatus This invention is to decrease the sensor pitch, prevent saturation by external light, accurately determine skimming, simplify skimming determination, and prevent any difference in influence of the transfer efficiency between the ON and OFF states. For this purpose, ... | 06/27/2006 |
| 7060957 | Device and method for spatially resolved photodetection and demodulation of modulated electromagnetic waves A device and method for spatially resolved photodetection and demodulation of temporally modulated electromagnetic waves makes it possible to measure phase, amplitude and offset of a temporally modulated, spatially coded radiation field. A micro-optical element (... | 06/13/2006 |
| 7042560 | Angle detecting apparatus and projector having the same A control circuit computes relative horizontal and vertical inclination angles between a screen and a projector by a line-type passive range-finding device. A display driving section adjusts a projection optical system including a condensing lens on the basis of the... | 05/09/2006 |
| 7042503 | Image sensing apparatus, method and program for distance measurement An image sensing apparatus of this invention includes a signal generator adapted to generate a signal upon reception of input light, a transfer unit adapted to transfer the signal generated by the signal generator, a temperature measuring unit adapted to measure a t... | 05/09/2006 |
| 6970532 | Method and apparatus for measuring thin film, and thin film deposition system The thin film deposition system for depositing a thin film on the surface of substrates disposed in a sealed thin film deposition furnace comprises a measuring unit at a site communicating with the thin film deposition furnace, the measuring unit comprising a thin f... | 11/29/2005 |
| 6970410 | Focus detection in a digital focus servo system A system for determining whether a focus servo system is in focus or out of focus (i.e. open) is disclosed. A sum signal can be compared with a threshold value. If the sum signal is below the threshold value, then a focus open condition (i.e., out-of-focus) can be i... | 11/29/2005 |
| 6930297 | Image sensing device and distance measuring device using the image sensing device A first and a second sensor array 21 and 22 arranged at the approximate image forming plane of a pair of optical systems, and a third sensor array 23 arranged at a spacing h from the first and second sensor arrays 21 and 22. The im... | 08/16/2005 |
| 6916070 | Laser-based controller for adjusting the height of a machining tool of a construction machine A laser-regulating means for a construction machine for adjusting the height of a height-adjustable machining tool includes three laser measuring heads which are directed to three measuring points being spaced from each other on a reference surface, and an evaluatin... | 07/12/2005 |
| 6864964 | Optical distance measuring device The optical distance detecting or measuring device comprises a light source with an emitting optic for projecting a light beam according to the axis of the emitting optic onto a target to be measured and a first detector defining the receiving axis contained in the ... | 03/08/2005 |
| 6801639 | Distance measurement apparatus A distance measurement apparatus of the present invention outputs image signal from the area sensor to which an optical image is input from a plurality of distance measurement areas two-dimensionally distributed in an area to be shot. A calculation control circuit d... | 10/05/2004 |
| 6642998 | Measuring device There is provided a measuring device whose measuring accuracy is prevented from lowering when a plurality of lenses for guiding light rays to each of a plurality of photoelectric converters are integrated for the purpose of reduction in size. The measurin... | 11/04/2003 |
| 6614537 | Measuring apparatus and measuring method Apparatus for obtaining three-dimensional shape data of an object including a controller for controlling a light beam, a scanning system for scanning an object by the controlled light beam, and an image receiving system for receiving the light reflected f... | 09/02/2003 |
| 6614509 | Distance measuring apparatus This distance measuring apparatus projects a first distance measurement light ray from an IRED and projects a second distance measurement light ray having an intensity higher than that of the IRED from a flash light emission portion. A distribution of inc... | 09/02/2003 |
| 6603534 | Laser range finder for large ranges of measurement with a special receiver A laser range finding device is shown which contains a transmitting channel and a receiving channel. The transmitting channel includes a transmitting lens and a laser light, which is positioned at a focal point of the transmitting lens. The receiving chan... | 08/05/2003 |
| 6522412 | Measuring system with improved method of reading image data of an object When a scanning start position set signal is input in an area image sensor, the content is transferred to a vertical scanning circuit, and the scan start position is set. Image of a desired row is read by horizontal scanning. Then, one shift signal for ve... | 02/18/2003 |
| 6480288 | Measuring system with improved method of reading image data of an object When a scanning start position set signal is input in an area image sensor, the content is transferred to a vertical scanning circuit, and the scan start position is set. Image of a desired row is read by horizontal scanning. Then, one shift signal for ve... | 11/12/2002 |
| 6466305 | High speed laser triangulation measurements of shape and thickness This application is concerned with laser triangulation sensors for object dimension and position determination, and in particular, more effective measurement of object shapes and/or thickness using laser triangulation sensors having multiple projected las... | 10/15/2002 |
| 6433858 | Autofocusing apparatus of a sighting telescope An autofocusing apparatus of a telescope for automatically focusing on an object viewed within a field of view of the telescope through a distance-measuring zone arranged in the field of view, includes: a multi-point distance measuring device which divide... | 08/13/2002 |
| 6411782 | Multi-autofocus distance-measuring system with a wide distance-measuring area A pair of integration-type light-receiving sensors receive the light from subjects and produce a subject image signal. A light projecting section projects light onto the subjects. A steady-state light removing section obtains an image signal by removing t... | 06/25/2002 |
| 6407817 | Measuring system with improved method of reading image data of an object When a scanning start position set signal is input in an area image sensor, the content is transferred to a vertical scanning circuit, and the scan start position is set. Image of a desired row is read by horizontal scanning. Then, one shift signal for ve... | 06/18/2002 |
| 6407802 | Multi-point distance measuring apparatus A multi-point distance measuring apparatus has a plurality of distance measuring points for performing a multi-point distance measurement. Sensor arrays detect an image pattern at each distance measuring point in the picture. A control circuit determines ... | 06/18/2002 |
| 6355924 | Configurable photoelectric cell Photoelectric cell with means of configuring the operating mode. The cell has several optosensitive zones 11, 12, D capable of outputting magnitudes that are activated or processed in different manners, by configuration and/or processing means 7, 19. The ... | 03/12/2002 |
| 6160613 | Charging condition control in distance measuring mechanism In a distance measuring apparatus which performs a distance measuring operation in an active mode and in a passive mode, time serially, on a basis of charging conditions determined for performing the distance measuring operation in one of the active mode ... | 12/12/2000 |
| 6104476 | Distance measuring apparatus and computer readable storage medium A distance measuring apparatus having skimming function which suppresses electric consumption when a charge storing period is shortened by an electronic shutter function. For this purpose, at an initial setting, an integration period is set to T1 | 08/15/2000 |
| 6055041 | Distance measuring apparatus A distance measuring apparatus for a camera includes light-projecting means for projecting a light beam onto an object of distance measurement, and a pair of sensor arrays, each including a plurality of pixels located at respective pixel positions for rec... | 04/25/2000 |
| 6035138 | Sensor apparatus applied to distance measuring apparatus, and method for controlling sensor apparatus A sensor apparatus which accumulates charges, generated in a sensor array having a plurality of photoelectric conversion elements, in a plurality of accumulation units, and integrates the charges using transfer units having a less number of transfer secti... | 03/07/2000 |
| 5995681 | Adjustment of sensor geometry model parameters using digital imagery co-registration process to reduce errors in digital imagery geolocation data A digital image processing system reduces errors in the parameters of a sensor geometry model, through which points in a captured digital image are geolocated to the surface of the earth by means of a `real time` co-registration mechanism that refines the... | 11/30/1999 |
| 5963308 | Distance measuring apparatus In a distance measuring apparatus for measuring the distance to an object on the basis of reflected light obtained as a result of projecting light toward the object, in the case of an active distance measurement operation, the flickering frequency of a li... | 10/05/1999 |
| 5895845 | Method and gauge for measuring the tread depth of a motor vehicle tire For measuring the tread depth of the tyre of a motor vehicle by means of a measuring head containing a laser (67), the laser measuring head is positioned relative to the tyre of the motor vehicle in such a way, that a reference surface or plane adopts a w... | 04/20/1999 |
