Matches 1 - 50 out of 50
Match Document Document Title
6558266 Golf training glasses  
Golf training glasses to assist a golfer's swing comprising a frame, a pair of lenses associated with the frame and a sight guide associated with each lens. The sight guide includes an upper guide...
6061916 Head tracking system  
A head tracking system 10 comprises a radiation emitter 18 and a radiation sensor 16 connected to a tracking processor 12. The emitter 18 has an output 46 producing radiation with spectral peak in...
5904142 Device for estimating central venous pressure  
A device capable of providing non-invasive, accurate estimates of central venous pressure. This diagnostic device is particularly useful with patients suffering from cardiac disease.
5507740 Corneal topography enhancement device  
A thin, pliable mat to enhance visualization of corneal topography during rastostereography or videokeratoscopy. The mat is approximately 20 microns or less in thickness and constructed from...
5479712 Triangulation rangefinder for archers  
An archery rangefinder for use from an elevated position comprises a power supply for an electronic digital panel meter and a power supply for two voltage divider circuits that comprise the...
5379140 Goggles having microlenses and display element  
Material made up of a thin layer between two surfaces, a first and a second, to be used as the third layer of a transparent goggles face, the first layer being a screen and the second layer being a...
5353134 Weapon aiming device  
Material made up of a thin layer between two surfaces, a first and a second, to be used as the third layer of a transparent goggles face, the first layer being a screen and the second layer being a...
5199712 Golf swing training apparatus  
A golf swing training apparatus is disclosed having a housing, a circuit board, a buzzer, a battery, an on/off switch, and a pair of mercury switches. The housing has a clip member extending...
5176342 Goggles emergency release apparatus  
A goggles emergency release apparatus is disclosed wherein an actuator, ptioned adjacent the goggles latching mechanism, drives a wedge into the mechanism to push a release pin into the open...
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 allows...
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 by...
4762325 Training device for golfers  
A golf instructional aid mounted upon the golfer's head to teach and encourage head immobility during swinging of the golf club and to aid in alignment of the club swing and movement with respect...
4711411 Aircrew headgear ejection means  
An apparatus for ejecting an aircrewmans helmet-mounted electro-optical equipment from an aircraft cockpit comprising an arm having a first end pivotally mounted at a position behind an aircrewmans...
4696111 Device for assessing inclination  
A viewing device to assist a golfer or the like in assessing transverse inclination of terrain along his sight line, including a base assembly adapted for attachment to a cap, hat or headpiece worn...
4651951 Apparatus for the removal of helmet-mounted equipment  
Apparatus for detaching helmet-mounted equipment (6) from the helmet (4) of a vehicle-mounted user (1) includes a quick-release fastening (8) securing the equipment to the helmet. A removal cord...
4566808 Scanning radiation detector  
A radiation detector includes a flat housing 14 having a radiation sensor 16 at one end thereof and a bar graph display 18 at the other end thereof. The bar graph display provides an indication of...
4550984 Head-mounted or helmet-mounted sighting device  
An image forming a sighting reticle can be displayed at infinity in the landscape under observation without any need for a collimating optical system. To this end, a birefringent crystal plate...
4498238 Transparent perspective tracing board  
A transparent perspective hand-held tracing board is shown for use with a sheet of transparent drawing material. This board is formed of a rigid plastic or glass panel. A measured pattern is...
4486955 Angular position sensors  
An angular position sensor, suitably for use in a helmet sight system, comprising a link member (3) connected by first and second (5 and 49) coupling means respectively to first and second fixing...
4415159 Golf stance viewer  
A golf stance viewer having a lens for looking at the positioning of one's feet and golf ball, said lens having stance indicating lines associated therewith for indicating foot and golf ball...
4158259 Marble shooting sight  
A hollow body is provided defining a pair of openings therein opening outwardly of the interior of the body in directions disposed at generally right angles relative to each other. A substantially...
4141152 Piloting instrument  
A small, light magnetic compass, in which the magnetic moment of the compass card is large relative to its weight, is adjustably mounted upon a member firmly coupled to the human head so that...
4081912 Magnetic bearing plotting and sighting device  
A device for taking and plotting magnetic bearings which includes an elongated straight edge device having numerical graduated indicia along one edge thereof, and a housing receiving said straight...
4063731 Golf tool  
There is disclosed a multi-purpose golfer's tool. The tool provides a distance estimating facility which in turn provides automatic selection of a golf club suitable for the distance so determined....
4062247 Telescoping linkage for helicopter sight  
A mechanical linkage connected between a pilot's helmet and a reference point in an aircraft permitting freedom of movement of the pilot's head in three dimensions as he visually tracks a target. A...
4059347 Optical instrument and viewing method  
A see-through zone is provided of a shape and size so that the horizontal end portions of the zone will merge as an image defining a target frame into which the user can center a stationary or...
4034401 Observer-identification of a target or other point of interest in a viewing field  
A head-up display system in a military aircraft provides projection of flight and weapon-aiming information into the pilot's line-of-sight through a partially-transparent reflector. The pilot...
4022475 Golf training aid  
Disclosed is a pair of eyeglasses with laterally slidable vision screens in each of the eyeglass openings. The vision screens have an opaque lower portion and a transparent upper portion, and have...
3977086 Range estimating device for golfers  
Apparatus for estimating the range of a golf course flagstick in terms of a number of paces which is common to all users. An opaque body adapted to be held in the hand is so shaped that its profile...
3934353 Surveying instrument  
This invention relates to surveying instruments of the type by means of which measurements relating to deviation from a true level line, distance, vertical angles, linear alignment of points at...
3908281 Real estate appraisal instrument and method  
An inexpensive appraisal instrument is provided for measuring unknown dimensions of a house or building from a remote observation point such as from a car in a street near the building. The...
3871104 Alignment sighting device  
An alignment sighting device comprising a pair of hollow lenses in an eyeglass frame, each having intersecting horizontal and vertical cross-hairs and colored liquid filling the hollow interior of...
3846918 GOLF AID  
A distance measuring device uses a finger ring incorporating a plurality of facets having edges of different dimensions which ring is held at arms length from the golfer's eye while being worn on...
3844049 DRAWING AID SYSTEM  
The drawing aid system disclosed comprises a frame means with a reference grid disposed within it and a primary positioning means which adjustably fixes the distance from the frame and its...
3826502 GOLFING ACCESSORY  
A golfing accessory for removable attachment to the brim of a golfer's cap which includes in combination a clamping member comprising a unitary member having two parallel flat sides of different...
3670417 SHOT SPOTTER  
A head mounted device is used to train the shooter in basketball shooting. The device is mounted on the forehead of the user and has a flexible pointer which is adjusted relative to the basket rim...
3633988 HELMET-MOUNTED HOLOGRAPHIC AIMING SIGHT  
A head-coupled sighting reticle having a hologram incorporated in a helmet aceplate illuminated by a point source of light. The hologram is constructed by creating a spherical-plane...
3487549 SPORTS TRAINING AID  
3436151 SPECTACLE MOUNTED INFINITY SIGHT FOR AN ATHLETE  
3308540 Bow sight  
3264002 Golf putt alignment device  
3262210 Control system  
3228696 Golfing aid  
3197209 Golf form sighting and guiding device  
3175827 Golf sight  
3175296 Drawing aids  
3051047 Device for the suspension of a telescope on a vehicle  
3029517 Sighting device for bowlers  
2814879 Distance measuring device  
2796666 Sketching aid head attachment  
Matches 1 - 50 out of 50