| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 356300130 | Triangulation ranging with photodetection, but with no projected beam | 7 |
| 20110037964 | DISTANCE MEASURING APPARATUS AND DISTANCE MEASURING METHOD - A distance measuring apparatus according to the present invention for measuring a distance to an object based on a parallax of images obtained with a plurality of optical systems includes: a reference object ( | 02-17-2011 |
| 20120188529 | REMOTE POSITIONING - A method for determining a distance to a target point located approximately at ground level includes aiming a measurement device at the target point, determining a tilt of the measurement device using tilt sensors, and determining a height of the measurement device above the ground. A position of the target point may be determined using the tilt and height of the measurement device, a position of the measurement device, and a bearing to the target point. | 07-26-2012 |
| 20120262695 | OPTICAL DIGITIZER WITH IMPROVED DISTANCE MEASUREMENT CAPABILITY - Systems and methods improve the accuracy of spatial coordinate measurements by optical digitizers by obtaining a separate distance measurement, which may be via direct ranging rather than triangulation, and combining the distance measurement with the spatial coordinate measurements to improve the accuracy of the three-dimensional spatial coordinate measurement. | 10-18-2012 |
| 356300140 | Using at least a pair of viewing axes | 4 |
| 20110096319 | GEOGRAPHIC DATA COLLECTING SYSTEM - A geographic data collecting system, comprising a distance measuring unit for projecting a distance measuring light and for measuring a distance to an object to be measured, a camera for taking an image in measuring direction, a display unit for displaying the pickup image, a touch panel provided to correspond to a screen position of the display unit, a tilt sensor for detecting a tilting of the measuring direction, and an arithmetic unit for calculating a distance to the object to be measured by giving consideration on the tilting in the measuring direction and a point-to-point distance as specified on the image by specifying two or more points of the object to be measured on a displayed image via the touch panel. | 04-28-2011 |
| 20120162630 | POSITION ESTIMATION SYSTEM - A position estimation system comprising a plurality of ‘shaped for depth sensing’ lenses comprising a lens profile directly based on distance estimation propagation of errors; a plurality of light sensing devices associated with the plurality of ‘shaped for depth sensing’ lenses; and a position estimator for estimating a position of at least a first object with respect to a second object based on the plurality of ‘shaped for depth sensing’ lenses and the plurality of light sensing devices. | 06-28-2012 |
| 20130321790 | THREE DIMENSIONAL SURFACE MAPPING SYSTEM USING OPTICAL FLOW - A method and system for 3D surface mapping system using a plurality of image sensors, each image sensor associated with an optical flow processor, each image sensor sharing a substantially coaxial optical path from the scene to a beam splitter and having substantially non-coaxial optical paths between the beam splitter and the image sensor such that the optical magnification of each optical path varies differently with the distance between the system and the surface of interest. The ratio of detected optical flows combined with the parameters of the two optical paths and the baseline between the image sensors is used to compute the Z-distance from the optical center of the image sensors to the surface. | 12-05-2013 |
| 20140268094 | USING PARALLAX IN REMOTE SENSING TO DETERMINE CLOUD FEATURE HEIGHT - Techniques for using small parallax angles in remote sensing to determine cloud feature height include exploiting two identical medium-resolution SWIR bands with parallax to estimate cloud edge feature heights well enough to enable assessments of the impacts of shadows and proximate cloud scattering on ground illumination, and hence, on reflectance calculations. The bands are intentionally designed to have a suitable parallax angle, in one embodiment approximately 1.5 degrees. With this parallax, one band will see more ground pixels than the other band as they encounter a leading edge of a cloud and the other band will see more ground pixels than the one band as they encounter the lagging edge of the cloud. From these numbers of pixels, the height of the leading and lagging edges of the cloud can be determined. | 09-18-2014 |
