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Match Document Document Title
8872081 Methods for adjusting a relative navigation system  
A relative navigation system projects a grid into space from a grid generator and an object, such as an unmanned aerial vehicle, may use the projected grid to aid in the landing of the object....
8780333 Range finder  
A range finder adapted for finding the object distance of a subject having a specific height includes a shell unit, an objective lens assembly, a magnifying unit having multiple selectable...
8717579 Distance measuring device using a method of spanning separately targeted endpoints  
A portable distance measuring device that works by spanning separately targeted endpoints is described. The device contains a laser distance measuring component and sensing components that track...
8675183 Method and apparatus for target range determination  
A system, method and computer program product provides for estimating the range of a target. An acquisition window of an imaging device is adjusted to fit a target at an unknown range in response...
8297820 Light-pipe based identification and location signaling light  
A signaling light source facilitates locating personnel under adverse conditions such as in a smoky environment and resists damage from exposure to a harsh user environment A lighting unit...
8010414 Method for online purchasing using printed form  
A method of effecting a purchasing transaction includes providing a printed form having printed thereon coded data distributed over an area; capturing an image of the form using a sensing device,...
7590561 Method and system for online purchasing using processing sensor  
Methods and systems are disclosed which relate to online purchasing via interface surfaces printed with information and coded data. The coded data, encoded visibly or invisibly, may be queried by...
7570804 Apparatus and method for determining stereo disparity based on two-path dynamic programming and GGCP  
Provided is an apparatus and method for determining stereo disparity based on two-path dynamic programming and GGCP. The apparatus includes a pre-processing unit for analyzing texture distribution...
6650235 Method and apparatus for recognizing object  
A transmission wave is applied to a predetermined range in a width-wise direction of a subject vehicle. Objects located ahead of the subject vehicle are recognized on the basis of reflected waves...
6636296 Range finder  
A low-cost-of-manufacture, portable, capable-of-adjustment range finder for estimating distances between the user and one or more objects with a known width, height or other linear dimension (such...
6583860 Range finder  
A range finder includes a light source for emitting a light beam to an object to be measured, a detector for detecting a reflected light from the object, a measuring part for calculating the...
6526077 Line-scan laser beam profiler  
Power density profile of a laser beam is characterized by scanning a thin thread across the beam and registering the intensity of radiation scattered from the thread. The diameter of the beam...
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)...
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...
6275337 Method for viewing through reflections from a reflective surface without affecting point of impact  
Featured is a method and device that minimize the effects of reflections from a transparent surface while viewing an object or target area through such reflective surface and which accomplishes...
6005656 Flip-up range finder device  
A range finder for a cap for determining the distance to a golf flag. The range finder has a cap coupling portion having a thin shell portion adapted to conform with the cap and a pair of "u"...
5644442 Spherical rear view mirror target marking system and method  
A system to overcome the visual aberration of spherical automotive rear view mirrors, related to the distance between vehicles, requires no measurement or mathematical skills. The system includes...
5616903 Electronic rangefinder apparatus  
A rangefinder for scopes and binoculars in which a transparent display has a scale or other height-determining member to determine the height of the object viewed through the display and compare...
5418610 Distance indicating mirror  
A vehicle mirror having an image reflecting surface and a distance indicating light reflective indicia of contrasting reflectivity to the image reflecting surface, the indicia being located in...
5117766 Personnel marker  
Apparatus for marking the location of a person in conditions of darkness, including a base configured for mounting in association with the person; and apparatus, mounted onto the base, for...
5020902 Rangefinder with heads-up display  
A method and apparatus for performing range finding and a unique heads-up display for use in such apparatus are provided. Range finding is performed by viewing an object of known height at the...
4965439 Microcontroller-controlled device for surveying, rangefinding and trajectory compensation  
A microcomputer-controlled optical instrument comprises an objective lens, an ocular lens, and an erector lens assembly mounted to pivot between the objective lens and the ocular lens. A first...
4953972 Range dispersion sensor  
A range dispersion sensor operative to detect objects of a preselected height "h" operates on quarterwave interference principles. Electromagnetic energy is modulated at a first frequency f1 such...
4893922 Measurement system and measurement method  
In the measurement system for the measurement of an object (2), the object 2) is provided with two retro-reflectors (3, 4) disposed at a known spacing. A measuring device (1) exhibits a light...
4787739 Range finder  
A range finder for optically or electronically measuring distance from an object by comparison of a known curvilinear form or spectrum of points with the object being measured. The range finder,...
4617741 Electronic rangefinder for archery  
A rangefinding device wherein a series of movable lines are created electronically via the use of a liquid crystal display and associated circuitry. When a target of a known size, such as a deer,...
4561204 Reticle display for small arms  
A separate opaque reticle display attachment for a rifle or the like equipped with a telescopic sight. The user sights through the telescopic sight with his bore axis eye while simultaneously...
4531052 Microcomputer-controlled optical apparatus for surveying, rangefinding and trajectory-compensating functions  
A microcomputer controlled optical device for determining the distance to objects of known or estimable size which is programmed to control a plurality of associated electronic indicator elements...
4514907 Bow and arrow sighting device  
A bow and arrow sighting device for attachment to the bow and comprised of a range finder of the type having a manually rotatable range adjustment wheel which in one embodiment is coupled by gears...
4500169 Cosmetic and observer line of sight mirror  
A cosmetic and observer line of sight mirror which includes a mirror having two sets of orthogonal lines with one set substantially horizontal and disposed over the face of the mirror or about the...
4482210 Safety mirror  
An automobile safety mirror is disclosed which is fabricated of laminated safety glass construction. Front and rear glass panels sandwich a layer of colored plastic therebetween and a suitable...
4389791 Range-finding telescopic sight  
A telescopic sight provides means for determining the range of a target of known size and for compensating for predetermined bullet drop over the target range. Reticles are fixed in both the front...
4124299 Method and apparatus for surveying clearances on railway tracks  
A method of comparing circumferential shapes, particularly the outer circumference of a desired clearance wth the real clearance between obstacles arranged alongside a railway track, for example,...
4044377 Video target locator  
A closed circuit TV camera with a fixed focus lens, is used to measure the vertical displacement from and longitudinal distance from an industrial robot arm to checkered-row target pattern, i.e.,...
3999853 Optical range finder  
An optical range finder is described which makes use of a variable length reference line juxtaposed on a view of a distant object whose height, width or other dimension is known. The user varies...
3948587 Reticle and telescopic gunsight system  
Disclosed are telescopic gunsights for aiding shooters to achieve proper "hold-over" when shooting at targets of estimatable heights at long ranges. The reticles in the preferred telescopic...
3910700 Motorized archery sight and range finder  
A motorized sight and range finder for archers, consisting of an attachment having a vertical slide on which two sliders are vertically movable. The sliders have sight bars which enable the archer...
3846023 RANGE RETICLE IN A NIGHT VISION DEVICE  
By viewing the invariant diametric dimension of the light path generated by pair of lights located on the tips of a helicopter's rotor blades through an optical device having appropriate reticle...
3819267 DEVICE FOR MEASURING DIMENSIONS FROM THE FORWARD END PORTION OF AN ENDOSCOPE  
The invention disclosed provides a device for measuring the dimension of the field of view of an endoscope, the forward end portion of which is adapted to be inserted into a hollow portion of a...
3782822 METHOD AND APPARATUS FOR AUTOMATIC RANGING WITH VARIABLE POWER TELESCOPIC GUN SIGHT  
In a variable power telescope gun sight, provided with stadia and aim point at the rear focus between the ocular lens and zoom system, an aim point is located above the optic center and correlated...
3715721 VEHICLE STATION KEEPING DEVICE  
A vehicle station keeping device provided in which the images of two fiducial marks are projected to infinity so that they can be viewed by the driver of the vehicle. The marks can be moved either...
3688408 RANGE AND ELEVATION DETERMINING DEVICE  
A range and elevation determining device serving in one form as a sight for direct fire gunnery. May be in the form of a stadimetric ranging and sight setting device that when adjusted by the...
3684376 RANGER-FINDER IN A TELESCOPIC SIGHT  
This invention relates to a range-indicating, variable-power telescopic sight; based on the principle of comparing adjustable spaced reference elements, with known target dimensions, reading said...
3666368 ARCHERY SIGHT AND RANGE FINDER  
3521234 MOTOR VEHICLE MIRROR TAILGATING OBSERVATION AND WARNING SYSTEM  
3519350 STADIMETRIC RANGE FINDER HAVING THREE LINES OF SIGHT  
3506330 TELESCOPIC RANGEFINDING GUNSIGHT AUTOMATIC ELEVATION ADJUSTMENT  
3431652 RANGEFINDER AND AUTOMATIC RETICLE SETTER  
3386330 Optical range-finding device  
3289534 Gun elevation control device  

Matches 1 - 50 out of 62 1 2 >