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Match Document Document Title
8925211 Laser-based alignment device and associated methods thereof  
The laser-based alignment device includes a housing and at least two laser devices affixed to the housing. Each of the at least two laser devices emits a laser beam. At least one alignment...
8087178 Artist relative measure device  
This invention provides a series of evenly spaced marks disposed on an art implement handle which allow an artist to accurately compare the relative sizes of different portions of their subjects...
7821653 Portable electronic measuring device and method  
A portable electronic device for measuring a distance D1 between two points E1, E2, includes a visible and rotatable light emitter, an angle computing unit, a distance computing unit and an output...
7814670 Laser level detection system  
A laser level detection system which detects a reference plane of laser at an arbitrary position includes a plurality of level detection units and an operation unit which displays a detection...
7804606 Portable electronic measuring device and method  
A method for measuring a distance D2 between two points includes following steps. A first surface of a portable electronic device is parallel to a line defined by the two points. A distance D2...
7685962 Fallen game locator  
A fallen game locator to aid the hunter in locating the precise location game was when shot. A cylindrical, cone shaped device with unspecified fluorescent or brightly colored series of rings on...
7669338 Range finder  
Range finder for determining the distance between the user and an object of known height or width, such as a golf flagstick, structure, etc. The range finder is a flat card, having a series of...
7127821 Automated method and apparatus for distance measurement  
A device for measuring physical characteristics includes a beam generator selectively generating a target beam. The device further includes two angle detectors that measure the respective angles...
7086162 Method and apparatus for distance measurement  
A device for measuring physical characteristics includes a beam generator component generating first and second beams at two points. The device further includes a protractor that measures the...
6785972 Method and system for recording a viewing point  
The present invention is a method and system for recording a point in space, which is to be used as the viewing point of from which the eye of an artist will view a copy easel and the subject to...
6770000 Apparatus and method for a golf alignment paddle  
The present invention 10 discloses an alignment paddle that allows the golfer 18 to identify a straight line between the golf ball 12 and the intended target 14. The hand held alignment paddle...
6724471 Arrangement for the vertical orientation of a geodetic instrument  
An arrangement for the vertical orientation of a geodetic instrument over a ground point, comprises an optical observation device for visual sighting of the ground point with a target beam, a...
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...
6532675 Device for measuring the angle of orientation with reference to a known frame of reference between a first object having a first axis and a second remote destination  
A device for measuring the angle of orientation with respect to a known frame of reference between a first object having a first axis and a second remote destination comprises a first arm member...
6405442 Golf shot range finder  
For assisting a golfer to determine the yardage from a golf ball to a target golf hole and to select the proper base club for the golf shot, a flat card has an elongated aperture with its top edge...
5594994 Tree stand rangefinder and method of using the same  
A hand held device adapted to be used by an archer situated in an elevated position to aid in the determination of the approximate ground distance to a stationary or moving target in a simple and...
5501018 Tribrach device  
An improved tribrach device for attaching an optical sighting instrument to a support such as a tripod. The tribrach device includes a pivotable locking ring for securing the legs of the sighting...
5394616 Laser positioning device  
A laser positioning device is provided in which a level is associated with a demountable mounting set-up and a plate member. The plate member projects laterally from the level and is scribed with...
5124844 Method and apparatus for locating celestial objects  
A method and an apparatus for locating in the sky celestial objects, using a telescope, wherein two guide stars and the celestial object are represented, according to their respective locations,...
5054206 Chain saw projection mensuration method and apparatus for determining the diameter of trees  
A projection scale apparatus and method uses a projection scale on the chain guide of a chain saw. The throttle of the chain saw may be continuously manipulated to prevent the saw from stalling...
5052114 Golfers optical alignment instrument  
A golfing instrument that allows two dissimilar objects, one object presented to the right eye, and the second object presented to the left eye to be seen simultaneously by the golfer, which...
5038489 Posture measuring instrument  
A hand held instrument for determining the degree of angular deviation of a line between selected points on a subject from a gravity-dependent reference, including a transparent base through which...
5016357 Artwork analysis device  
A convenient and economical artwork analysis device that visually aids an observer in determining the existence of geometric interrelationships among the artistic elements making up a work of art....
4953303 Tree felling spotter  
Disclosed is a specialized sextant of the clinometer type capable of providing the translation of the height of a tree (or any finite line) to a distance along the ground, (or any other...
4912853 Reticle plate and method for establishment of a north-oriented or south-oriented line by circumpolar orientation  
A reticle plate provided with a reticle and three concentric circles of ving diameter and methods of use thereof, the invention allows a user to establish a north-oriented or south-oriented line...
4910875 Longitude location device  
A longitude finder for locating the longitude on the earth of a defined location at which the user of the device is positioned. The device includes a reflective surface for viewing an image of one...
4828377 Telescope aiming device  
A sighting device for aiming an astronomical telescope. The sighting device comprises a tubular housing which is removably mountable in the eyepiece holder of the telescope. A light source is...
4823476 Method and apparatus for measuring physical attributes of a human body  
Method and apparatus are provided to measure a plurality of physical attributes of a human body in relation to the values of these attributes in a theoretically ideal human body. In one...
4754552 Horticultural pruning template system and method of using same  
A horticultural pruning template system (10) is provided for aiding a user in pruning a horticultural object (12) to some predetermined contour. A template member (14) which is substantially...
4637143 Plotting device  
A course plotting device comprises substantially parallel first and second legs, substantially parallel third and fourth legs which are pivotally connected to the first and second legs so that...
4601108 Spacer device  
A spacer device for use in placing contour lines between known points of elevation when plotting stadia, in spacing of architectural units, and in making perspective drawings, includes a...
4543727 Determination and passing on of a target direction for tanks  
In a method of determining the direction of a target by means of an optical square and passing on this direction to a magnifying sight for warfare tanks the exit window (4) of the optical square...
4510695 Method of calibration for the measuring of objects by pairs of theodolites  
The invention contemplates a method of calibration (FIG. 1) for determining the distance (base length Eb) between two angle-measuring instruments (theodolites 1, 2) used for triangulating...
4497117 Slope compensating angle gauge  
The "Cruiser's Crutch" is a slope correcting basal area angle gauge to be used in variable plot sampling for determining basal area in square feet per acre. It incorporates the critical angle for...
4447962 Adjustable bore target and gage  
A device having four engagement points movable along a bore and provided with an optical target or gage adjustable in cross directions normal to the bore axis and a probe mounted for rotation on...
4417404 Method and apparatus for measuring distances  
The invention discloses a method and device which allows one to measure distances from one object to a remote object, e.g., the distance from a driver of one car to a car ahead of him. The method...
4379364 Artist's freehand sketching device  
A device for use by artists and others to aid in freehand sketching, comprising generally a base, a transparent sketching surface in an upright position and a chin rest less than an arm's length...
4367949 Aiming method and means  
A method of aiming or aligning in which two overlapping fields of view fixed with respect to each other are produced, one of which is inverted and reversed with respect to the other and...
4343534 Simulated camera viewer for video productions  
This invention is concerned with a device for simulating the view of a television or movie camera to assist the technical picture taker in selecting the size of the frame of the scenes to be...
4301599 Lens previewer  
A device is provided for previewing the field of view of an optical lens, for use in still, motion picture or video photography. The device includes a fixed member having an aperture therein and a...
4283860 Lens field of view simulator  
A lens field of view simulator is provided to allow a photographer to view a desired photographic subject, framed as the subject would be framed viewing it through the field of view provided by a...
4263719 Optical sighting devices  
An optical device for use as a gunsight, telescope or viewfinder is disclosed, the device being capable of indicating the distance of the target from the user. This is accomplished by a reticle...
4219939 Method and device for surveying the basal area of a forest stand  
The present invention relates to a method and device for carrying out a survey of the basal area of a forest stand and the distribution of the individual trees with respect to diameter classes.The...
4214373 Grade checker  
A grade checker for determining the elevation of a grade relative to a pair of reference points spaced apart on opposite sides of the grade. The checker comprises an elongated sighting tube...
4177573 Variable angle aperture card  
A variable angle aperture card includes an elongated flat rule foldable compactly and unfolded to provide a horizontal rule with a longitudinal slot with a slide member having a foldable...
4168573 Copying easel  
A copying easel for copying three-dimensional objects including a support frame, a copy frame rotatably attached to the support frame and an open sighting awning rotatably attached to the support...
4060908 Sighting device for relocation of site  
A folding sighting device to define and then to relocate the point where the user is placed, said device allowing the user to simultaneously identify linearly opposite reference points to...
4034480 Visual descent sighting device for aircraft  
This invention relates to a self-contained sighting device for use in aircraft that will give visual descent guidance to the pilot while making his final approach to a runway for a landing. The...
4016654 Range finder  
A range finder is disclosed comprising a tube having an eye opening, an object opening and a sight divided into sections, each section having a sight line or a plurality of sight lines with...
4008528 Drawing apparatus  
A drawing apparatus to assist in providing an artist with a true perspective of the scene viewed on a transparent surface viewed through a fixed eyepiece, the transparent surface being the concave...

Matches 1 - 50 out of 88 1 2 >