Matches 1 - 24 out of 24
Match Document Document Title
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...
6056554 Apparatus and method for finding and identifying nighttime sky objects  
Apparatus and methods for finding and identifying objects in a nighttime sky include a lighted map arrangement, an electronic compass, and means to operate and view the apparatus in the dark to...
5907116 Method and device for reproducing a starlit sky  
A process for the reproduction of a starlit sky involves accompanying stars and other space bodies with acoustical tones corresponding to their optical images. Particularly individual spectral...
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...
5311203 Viewing and display apparatus  
A compact hand-held viewing apparatus that automatically determines the three-dimensional direction in which it is pointing and automatically presents information to the user related to features...
5114348 Tutorial device for observing lunar phase  
The invention provides a tutorial device for observing lunar phase. A base sheet is inscribed with a time scale, a ring of moon pictures and a ring of moon phases. Outer circles on the base sheet...
5026287 Three-dimensional constellation model and construction kit thereof  
A construction kit for building a three-dimensional constellation model is disclosed for viewing of celestial maps. The kit includes a combination of (a) a zenith section having an external shape...
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...
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...
4938697 Multi-dimensional astral position finding device  
A multi-dimensional astral position finding device for facilitating viewing selected sky areas such as constellations in the zodiacal band and elsewhere. A device which in combination with a...
4726773 Device for depicting constellations on a ceiling  
Constellations are depicted on a ceiling with phosphorescent indicators of a predetermined planar surface area, which indicators are proportionally related to each other by a constant...
4702703 Devices for aiding astronomers to locate stars and other celestial bodies  
A hollow transparent sphere has light reflecting spots formed on its surface in positions corresponding to the actual locations of stars in the night sky. The sphere is illuminated from within so...
4672438 Tracking simulator  
A simulator is used with an optical locking device such as a cinetheodolite to provide inexpensive, convenient operator training. The simulator has a video monitor mounted on the viewer of the...
4505680 Spherical star chart with indicator  
The concept of The Spherical Star Chart With Indicator is based on the fact that a majority of the celestial objects maintain a constant angular relationship with each other. The distance of these...
4271604 Portable planetarium  
A portable planetarium is disclosed for ascertaining the position of the sun, the planets and their satellites and the stars throughout the year. The planetarium includes a frame having a...
4096646 Device for identifying and locating a star in the heavens  
A device for identifying and locating a star in the heavens including an axis rod having a globe rotatably mounted thereon. A hoop is rotatably mounted on the axis rod for rotation about the globe....
3863365 STAR FINDER  
A star finding device comprised of a rectangular base folded along a mid-point axis normal to its longitudinal axis such that two adjacent panels result, each having an outer side for a hemisphere....
3257728 Astronomical instrument  
3041742 Selectively operable star finder  
3003258 Universal world time and star map  
2994971 Instructional sky scanner  
2866704 Star plate and method of making same  
D088727 Title is not available  
3613249 Title is not available  
Matches 1 - 24 out of 24