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7372550 |
Measuring distance using perspective
A method is disclosed for measuring distance from a camera to parts of a scene using a characterization of perspective distortion in a photograph of the scene. In one example embodiment, a first...
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7361874 |
Auto focusing mechanism of surveying instrument
An auto focusing mechanism is provided in a surveying instrument, such as an electronic level, that is capable of automatically focusing a telescope on a sighted staff. As a focusing lens ( 21 b )...
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7352445 |
Electronically generating an outline indicating the size of an energy zone imaged onto the IR detector of a radiometer
A radiometer includes a sighting system that generates a digital image of an object surface having an area that is to be imaged onto the IR detector. A shape outline is overlaid on the digital...
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7342648 |
Information sensing and sharing system for supporting rescue operations from burning buildings
A system for automatic mapping of a walled structure includes at least one mobile unit, preferably worn by a user. The mobile unit has a position tracking system for tracking a current position of...
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7327440 |
Distance measuring device
A distance measuring device is disclosed which can measure the distance to an object located within a known range. The device uses beam splitters and lenses to focus and direct energy reflected...
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7319512 |
Surveying instrument
A surveying instrument for projecting a distance measuring light to an object to be measured and for measuring a distance from a reflected light, comprising at least an image pickup unit for...
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7319511 |
Surveying instrument and electronic storage medium
The present invention relates to a surveying instrument for measuring the distance to a target to be measured, a horizontal angle, and a vertical angle by use of reflected light. An imager can be...
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7283211 |
Distance-measuring optical apparatus, distance-measuring method, distance-measuring system, in-vehicle imager, and in-vehicle driving support apparatus
A distance-measuring optical apparatus for measuring a distance to an object as a target comprises an imaging optical system; an image sensor; a driving section for moving at least the imaging...
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7233388 |
Distance measuring method, distance measuring device using same, and distance measuring structure using same
A distance measuring method simultaneously measures a distance between a distance measurement system ( 10 A) and a measurement object (M), and a relative speed therebetween. In the method, the...
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7227620 |
Environment recognition system and mobile mechanism
An environment recognition system recognizes a substance moving in relative thereto, with using a modulated beam. A beam emitting means emits a beam. A beam scanning means scans the beam. A beam...
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7215430 |
Integrated system for quickly and accurately imaging and modeling three-dimensional objects
An integrated system generates a model of a three-dimensional object. A scanning laser device scans the three-dimensional object and generates a point cloud. The points of the point cloud each...
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7215412 |
Flagpole reflectors for laser range finders
A system and method are provided for determining a distance to a target. The method includes sending light, at a first time, to a light reflector mounted in a reflector device, receiving light...
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7206062 |
Readout integrated circuit (ROIC) for laser detection and ranging (LADAR) system and method for using same
Disclosed is a LADAR system and a method for operating same. The LADAR system includes circuitry for generating the electrical signal with an optical signal detector using N discrete samples; a...
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7202940 |
Method for detection of an object using correlation filters with score reaffirmation post processing
A method and system for detecting a target which uses composition correlation filters with score reaffirmation post processing for acquiring a target. The method and system uses target decision...
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7196777 |
Global laser rangefinder profilometry
Two light beams from respective light-emitting devices (e.g., lasers or lamps) cross each other and strike a surface (e.g., of a fluid) at respective oblique orientations relative to the surface...
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7196776 |
Distance-measuring system
A distance-measuring system, which comprises a light source unit for emitting a distance-measuring light, a photodetection optical system having a photodetection optical axis, a projecting optical...
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7193689 |
Method and device for light signal reception
Method and device for light signal reception. This device can selectively execute a comparison mode or a gain mode. In the device, a transmitter transmits a light beam to a target. A receiver...
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7184131 |
Multifunction rangefinder
A multifunction rangefinder capable of measuring distance, compass location and altitude. A distance measurement unit capable of long and short distance measurements transmits a light beam to a...
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7184130 |
Method for improving the received signal to noise ratio of a laser rangefinder
An improved technique for a laser rangefinder includes a pulsed laser sending out a repetition of light pulses and the received signal (light pulse and noise components combined) being analyzed by...
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7177013 |
Ranging apparatus, ranging method, and ranging program
A ranging apparatus which determines distances to objects by using planar positions of the objects in images which are obtained by cameras which take the images, plural distortion correction tables...
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7164467 |
Method and apparatus for electronically generating an outline indicating the size of an energy zone imaged onto the IR detector of a radiometer
A radiometer includes a sighting system that generates a digital image of an object surface having an area that is to be imaged onto the IR detector. A shape outline is overlaid on the digital...
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7134688 |
Safety apparatus against automobile crash
An object of the present invention is to determine a kind of a passenger, e.g., adult or child, without executing a complicated image processing, thereby controlling an unfolding of an air bag. The...
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7046344 |
Range finder
A range finder includes a package, a semiconductor chip, an optical casing, a lens holder, a first lens, and a second lens. The first and second lenses are attached to the lens holder. The lens...
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6882436 |
Non-contact hole depth gage
Disclosed is a method that utilizes optics to measure a hole depth in a workpiece. The method involves placing a light recording apparatus and a light source apparatus proximate a hole. Light is...
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6875993 |
Systems and methods for optically detecting and identifying objects in an environment
Laser optical sensing systems and methods for detecting object characteristics are disclosed. The system includes a laser source with at least two emission apertures from which laser signals are...
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6787378 |
Method for measuring height of sphere or hemisphere
A method is provided that allows a simple and inexpensive apparatus to measure the uniformity of the height-directional positions of spheres or hemispheres such as bump electrodes of a...
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6781676 |
Structured lighting detection of vehicle occupant type and position
An apparatus ( 12 ) for determining the location of a vehicle occupant ( 20 ) in a vehicle interior includes a light source ( 40 ) for projecting at least one structured light beam ( 42 ) onto an...
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6697147 |
Position measurement apparatus and method using laser
A position measurement apparatus and method using laser includes a laser generating device, an image device, and a control unit. The laser generating device generates three or more laser beams...
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6657711 |
Vehicle wheel alignment measuring apparatus
An apparatus for measuring the dynamic characteristics of the vehicle wheel alignment in non-contact fashion with high accuracy is disclosed. A laser light source ( 4 ) emits a laser beam of a...
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6473166 |
Automatic surveying equipment and three-dimensions measuring method
The present invention relates to a non-prism type automatic surveying apparatus and a three-dimensions measuring method or the like, which measure a distance to an object to be measured without...
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6466306 |
Night convoy maneuver adapter
A reticle adapter ( 100 ) for judging distance from an object ( 12 ) is used with a viewing apparatus (A) to detect relative positions of signals from at least two spaced apart marker devices ( 10...
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6400451 |
Non-contact wheel alignment measuring method and system
A non-contact type wheel alignment measuring apparatus includes a fixed-focal-length lens and a pair of light sources located on the opposite sides of the lens for projecting a pair of laser beams...
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6399956 |
Distance-measuring apparatus which improves dynamic range of an integrating capacitor
A distance-measuring apparatus is arranged to project light toward an object at a distance to be measured, receive reflected light from the object, and detect the distance to the measured object...
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6392744 |
Range measurement system
A system and method for accurate measurement of distance and location of an object. The system comprises low-cost optical signal generators, aligned in a known configuration, to project a...
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6327028 |
Night convoy maneuver system
A distance judging system (S) includes at least two spaced apart marker devices (10) formed on a first object (12) and providing a signal (14). A viewer (A) is adapted to detect relative position...
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6288774 |
Distance measuring device
A distance measuring device using markers and capable of accurately measuring distance irrespective of the distance to an object. An optical system converges light from markers affixed to an object...
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6163371 |
Distance measuring apparatus
A distance measuring apparatus includes a light transmission optical system for transmitting a light beam having intensity distribution with a pair of peaks, and a reception system for measuring a...
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5929980 |
Distance measuring apparatus and shape measuring apparatus
A small-sized precision distance measuring apparatus. When a laser beam 1b reflected from an article is received on a photodetector array (30) through a lens array (20), the effective area of the...
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5900927 |
Variable target autofocusing and range finder for measuring distance to a subject
An image pickup frame is divided into a plurality of areas. A contrast at each area is measured. An area where a main subject is located is detected by comparing contrasts at areas. A distance to a...
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5867256 |
Passive range estimation using image size measurements
A range estimation system and method which comprises a data base containing data for identification of certain targets and data for estimating the initial range to each of the targets as a function...
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5777899 |
Horizontal position error correction mechanism for electronic level
In a horizontal position error correction mechanism for an electronic level according to the present invention, a collimation optical system collimates a level rod, and a calculation processing...
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5629756 |
Laser beam projection apparatus
A laser beam projection apparatus is capable of supplying laser beams finely converged on an object at all times irrespective of a distance to the object. The laser beam projection apparatus has a...
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5537201 |
Electronic leveling system, electronic leveling apparatus and leveling staff
An electronic leveling system, which is intended to enhance the efficiency of leveling work, is capable of sending various data generated on the part of the electronic level unit from it to the...
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5519489 |
Vehicle alignment system
An improved vehicle alignment system includes automatic angle and distance range calibration whereby various vehicle distances such as track width and wheelbase may be measured electro-optically...
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5491546 |
Laser assisted telescopic target sighting system and method
The present invention is directed to a laser assisted telescopic targeting system, apparatus and method of range finding and aiming a projectile firing weapon. The invention includes a laser light...
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5488471 |
Sensors for vehicle alignment system and apparatus using same
A system for measuring angular relationships of wheels of a vehicle includes a radiation source mounted with respect to a first wheel for providing a radiation signal, an image detector having an...
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5475494 |
Driving environment surveillance apparatus
A driving environment surveillance apparatus is provided to specify a region where an obstacle is present depending upon an azimuth detected by an obstacle detecting unit so as to derive a...
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5317374 |
Method and apparatus for measuring a distance to an object from dual two dimensional images thereof
A prismatic viewing plate is situated across the focal axis between an object and an imaging device such as a camera capable of acquiring only a two dimensional image of the object. A...
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5249128 |
System and method for determining the distance to an energy emitting object
A method and system for range detection using a passive infrared sensing device (10) is disclosed. The method includes determining a region (35,38) on a moving object, such as an automobile (13,...
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5082365 |
Remote identification and speed determination system
A remote object/vehicle identification and speed determination system including a bar code label on each object/vehicle and a device for continuously scanning an area to determine when the...
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