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Class Information
Number: 33/268
Name: Geometrical instruments > Straight-line light ray type > Celestial
Description: Device including means for locating the position of a heavenly body or means by which an observer may determine his own geographic location by direct observation of the heavenly body.










Sub-classes under this class:

Class Number Class Name Patents
33/269 Time computing 19


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8205346 Quasi-uniaxial solar trajectory tracking transit system Jun. 26, 2012
7866054 Apparatus and method for indicating direction Jan. 11, 2011
7861422 Skyline imaging system for solar access determination Jan. 4, 2011
7832110 Quasi-uniaxial solar trajectory tracking transit system Nov. 16, 2010
7721454 Rock fashionable calendar horologe May. 25, 2010
7690123 Skyline imaging system for solar access determination Apr. 6, 2010
7615728 Signal processing method and device for multi aperture sun sensor Nov. 10, 2009
7506449 Measurement device Mar. 24, 2009
7471211 Celestial object location device Dec. 30, 2008
7428780 Viewing and display apparatus position determination algorithms Sep. 30, 2008
7411512 Tracking the geographic location of an animal Aug. 12, 2008
7197829 Laser guided celestial identification device Apr. 3, 2007
7197381 Navigational system and method utilizing sources of pulsed celestial radiation Mar. 27, 2007
7155833 Viewing and display apparatus position determination algorithms Jan. 2, 2007
7155031 Moving object detection method Dec. 26, 2006
7095378 Satellite dish sighting apparatus and alignment system Aug. 22, 2006
7068180 Celestial object location device Jun. 27, 2006
7010862 Viewing and display apparatus position determination algorithms Mar. 14, 2006
6526667 Satellite spacecraft targeting device and method Mar. 4, 2003
6490801 Sun sensors using multi-pinhole overlays Dec. 10, 2002
6449854 Universal solar chart shadow plotter and method for plotting a shadow Sep. 17, 2002
6366212 Celestial object location device Apr. 2, 2002
6339885 Astrolabe having rotating rete and plate Jan. 22, 2002
6308427 Horizontal sundial adjustable for accurate reading at multiple latitudes Oct. 30, 2001
6237241 Suspended object cable-suspension orienting system May. 29, 2001
6038777 Method and apparatus for sight reduction Mar. 21, 2000
5970619 Device for guiding alignment in trailer hitching Oct. 26, 1999
5704653 System for identifying stars, planets, deep sky objects and constellations Jan. 6, 1998
5701678 Space-time tracker Dec. 30, 1997
5450674 Multipotent astrolabe Sep. 19, 1995
5425178 Solar compass Jun. 20, 1995
5396709 Method and apparatus for precise calibration of magnetic compass and preparation of deviation tables Mar. 14, 1995
5276972 Satellite locator Jan. 11, 1994
5274926 Antenna aiming instrument Jan. 4, 1994
5181324 Sundial Jan. 26, 1993
5161242 Automated repeating sextant (ARS) Nov. 3, 1992
5003698 Apparatus for viewing a representation of the celestial vault Apr. 2, 1991
4970793 Method and apparatus for determining the position of stars Nov. 20, 1990
4956920 Device for determining true bearing during daytime Sep. 18, 1990
4924592 Plate sundial with installation indicia May. 15, 1990
4912853 Reticle plate and method for establishment of a north-oriented or south-oriented line by circumpolar orientation Apr. 3, 1990
4910875 Longitude location device Mar. 27, 1990
4771545 Precision pointing mechanism Sep. 20, 1988
4763418 Automatic sextant Aug. 16, 1988
4702011 Sextant having a microprocessor for calculating the position of heavenly bodies Oct. 27, 1987
4635371 Device to indicate solar exposure Jan. 13, 1987
4602259 Polar mount antenna satellite tracking apparatus and method of alignment thereof Jul. 22, 1986
4454658 Device to locate communication satellites Jun. 19, 1984
4449817 Celestial navigator May. 22, 1984
4436421 Polaris axis finder Mar. 13, 1984

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