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Document Title |
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7615728 |
Signal processing method and device for multi aperture sun sensor
The disclosure relates to a signal processing method for multi aperture sun sensor comprising the following steps: reading the information of sunspots in a row from a centroid coordinate memory,...
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7506449 |
Measurement device
A measurement device comprising a horizontal track, at least one self-leveling foot coupled to the horizontal track, a hemispherical track coupled to the horizontal track, a movable sensor unit...
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7471211 |
Celestial object location device
A hand-held electronic celestial object-locating device assists in identifying a celestial object or directing a user to a desired celestial object. The device is useful for locating or identifying...
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7428780 |
Viewing and display apparatus position determination algorithms
Celestial object location devices with sensor arrays of having less that one sensor for each of three orthogonal components of gravity and magnetic field vectors. The accuracy of position sensing...
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7411512 |
Tracking the geographic location of an animal
Systems and techniques for tracking the geographic location. In one aspect, a method includes receiving timed magnetic field information descriptive of a magnetic field to which a magnetometer was...
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7197829 |
Laser guided celestial identification device
Disclosed is a celestial identification device. According to some embodiments, the device includes a housing, a positioning sensor, and a light generator structured to generate an indicator beam...
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7197381 |
Navigational system and method utilizing sources of pulsed celestial radiation
A system and method for navigation utilizing sources of pulsed celestial radiation are provided. A spacecraft, satellite, or other vehicle ( 12 ) has a pulse sensor ( 22 ) mounted thereto for...
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7155031 |
Moving object detection method
From a plurality of pictures 1 - 1 through 1 - 3 captured at successive time intervals, pictures 2 - 1 through 2 - 3 of regions determined in accordance with the movement of the celestial...
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7095378 |
Satellite dish sighting apparatus and alignment system
An apparatus and method for setting up a satellite dish to receive satellite signals, including television satellite signals, with precise positioning and aiming of the satellite dish, including...
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7068180 |
Celestial object location device
A hand-held electronic celestial object-locating device assists in identifying a celestial object or directing a user to a desired celestial object. The device is useful for locating or identifying...
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6526667 |
Satellite spacecraft targeting device and method
A device for determining the suitability of a communications satellite antenna reception device site has a bubble level and inclinometer for orienting the device vertically and horizontally. The...
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6490801 |
Sun sensors using multi-pinhole overlays
Sun sensors or position sensors may be used to determine the angular location of the sun or other object with respect to the sensor. The sun sensor provides high resolution over a wide field of...
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6449854 |
Universal solar chart shadow plotter and method for plotting a shadow
An apparatus for estimating a shadow on a scaled figure is presented herein. The apparatus includes a circular disk with a lines corresponding to the declination angle of the earth with respect to...
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6366212 |
Celestial object location device
A hand-held electronic celestial object locating device assists in identifying a celestial object or directing a user to a desired celestial object. The device is useful for locating or identifying...
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6339885 |
Astrolabe having rotating rete and plate
In the astrolabe herein, both the rete and the plate rotate, although around different centers. The stars are drawn onto the plate, and the coordinate system is represented by the rete. In contrast...
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6308427 |
Horizontal sundial adjustable for accurate reading at multiple latitudes
A horizontal sundial constructed to accurately tell time at a specific latitude having female threads incorporated into both the north (10) and south (12) sides of the dial plate (6). Threadedly...
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6237241 |
Suspended object cable-suspension orienting system
An orienting device controls two tilt degrees of freedom of one or more suspended objects by raising supporting cables on one or two sides of the objects while lowering the cables on the opposite...
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6038777 |
Method and apparatus for sight reduction
A sight reduction apparatus includes a sextant, a processor, and a nautical almanac, preferably all provided in an unitary housing. The sextant includes a fixed telescope which is pointed at a...
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5970619 |
Device for guiding alignment in trailer hitching
A device for guiding alignment in trailer hitching with a trailer cup attachment and a towing vehicle attachment. The trailer cup attachment adjustably clips over the trailer cup on the drawbar of...
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5704653 |
System for identifying stars, planets, deep sky objects and constellations
A system to help a viewer find stars, planets, deep sky objects and constellations is disclosed. The system has a series of sky maps showing different views of the sky. One or more tables is...
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5701678 |
Space-time tracker
A space-time tracker for announcing the time and tracking the celestrial bodies on the spot of observation comprises a clock mechanism with clock hands on a dial of 24 hours and a synchronic motor...
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5450674 |
Multipotent astrolabe
A multipotent astrolabe is used to determine the positions of various celestial bodies by applying the circular star atlas and taking into account ephemeral time and the porjections of the relative...
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5425178 |
Solar compass
An accurate, easy to use solar compass which permits a user to locate true north or to locate azimuth lines. The user calculates the solar time and determines the declination of the sun from the...
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5396709 |
Method and apparatus for precise calibration of magnetic compass and preparation of deviation tables
An apparatus and method for compensating for the measured variation in bearing between magnetic north as read on a compass and true north as may be determined by juxtaposition with the sun at a...
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5276972 |
Satellite locator
An apparatus which can be carried to a field sight to locate current and future positions of geosynchronous satellites orbiting the equator in the Clark Belt Altitude. The apparatus corrects the...
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5274926 |
Antenna aiming instrument
The instrument comprises a sphere mounted in a holder between two rings, so that the sphere is held in specific spatial relationship to holes in the holder which define a line of sight of the...
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5181324 |
Sundial
A sundial including a strip-shaped body with surfaces substantially in the form of helicoids. The body is made of a rather thin material. At least one of the helicoids is provided with time...
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5161242 |
Automated repeating sextant (ARS)
The automated repeating sextant (ARS) is a navigational instrument suitable for air, sea and land use. The ARS uses an electronic artificial horizon, an A/D conversion board and either microchips...
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5003698 |
Apparatus for viewing a representation of the celestial vault
An apparatus for viewing a representation of the celestial vault including a tube bearing a ring of graduations that indicate the dates of the days of a year, and a tube bearing a ring of...
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4970793 |
Method and apparatus for determining the position of stars
An astronomical correlator for determining the position of the stars and method of using the same includes a transparent hollow globe having phosphorescent indicia. A horizon ring member and a...
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4956920 |
Device for determining true bearing during daytime
There is proposed an instrument for determining true bearing during daytime using the sun as a reference preferably for use together and as an attachment to known angular measuring instruments,...
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4924592 |
Plate sundial with installation indicia
A typical plate and gnomon sundial with an enlarged dial plate and an extended gnomon is provided with latitude and longitude displacement indicia lines on the dial plate, beneath the gnomon and...
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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...
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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...
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4771545 |
Precision pointing mechanism
A telescope (10) is precisely pointed by a detent mechanism (32) in a sighting direction (18) after a motor (22) generally positions the telescope. The detent mechanism includes a roller assembly...
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4763418 |
Automatic sextant
A sextant for indicating the angular separation between two objects, including two members interconnected at a pivot point, means for adjusting the angle between the members to be indicative of the...
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4702011 |
Sextant having a microprocessor for calculating the position of heavenly bodies
A sextant having a telescope, a fixed split horizon mirror, a pivotal index arm supporting an index mirror and a stepping motor coupled to the index arm to cause rotation thereof on receipt of...
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4635371 |
Device to indicate solar exposure
A device for determining the annual exposure of a site which comprises a viewer having a lens with markings provided thereon for determining the line of travel of the sun at a given latitude for...
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4602259 |
Polar mount antenna satellite tracking apparatus and method of alignment thereof
A polar mount for a parabolic satellite tracking antenna insures close tracking of the antenna to a synchronous satellite track sector bearing multiple satellites within the earth's equatorial...
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4454658 |
Device to locate communication satellites
A device to locate the position of a communication satellite with respect to a specific site on the earth's surface including a transparent screen having markings to indicate the positions of one...
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4449817 |
Celestial navigator
Celestial navigational instrument and method of determination of local latitude and local hour angle of Aries by a single sighting on the night sky. Greenwich hour angle of Aries and latitude are...
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4436421 |
Polaris axis finder
A polar axis finder for an equatorial mounting telescope has an objective lens and a focus mirror having a Polaris collimating mark thereon disposed at a focal point of the objective lens. A time...
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4413423 |
Sun tracking device
The device comprises a declination adjustable solar ray directed assembly straddling the rim of a circular segment, hinged on the polar axis of an equatorial mount. The circular segment has a...
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4412386 |
Compass
A non-magnetic compass for use in a moving military land vehicle, comprising a rapidly rotating platform having a north star-seeking columnar element that carries a sun-seeking telescope. Fibre...
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4387999 |
Electronic sundial apparatus
An electronic sundial apparatus which signals the passage of each hour by a chime, bell or other audible indication and which requires no external source of power other than the sun. Inner and...
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4364183 |
Heliostat-adjusting solar sight
A solar sight having a scale calibrated in terms of solar declination angle and reflector angle is provided with diffraction pattern forming means comprising a movable sighting tube which, when...
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4333243 |
Latitude finder
An apparatus for indicating the latitude position of the user is disclosed. The apparatus comprises a base member carrying a scale having degrees of latitude marked on the scale. The base member...
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4288922 |
Device to indicate solar exposure
A device for determining the annual solar exposure of a site which includes a wide angle viewer and a transparent screen having the paths of the sun at various times of year drawn on it, and with...
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4244651 |
Impersonal eyepiece for astronomic positioning
An improved impersonal eyepiece for astronomic positioning is affixed to an optical viewing device to provide a means for observing the position of a celestial object at timed intervals. The...
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4236313 |
Apparatus for and method of evaluating solar exposure
A technique is disclosed herein for evaluating solar exposure at various points in any one of a number of given geographic locations for any given period during the year in order to determine the...
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