Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 13, 2007
Patent Application Number
10347609
Date Filed
January 21, 2003
Patent Primary Examiner
Patent abstract
A method of positioning by using image uses an image-collecting device with a known angle of view to gain a digital image. A pixel matrix of the digital image is defined as the known angle of view and a gap between every two adjacent pixels of each horizontal line and each longitudinal line is an equally divided angle of the known angle. A displaying objective is shown on an image sensor and has a datum point of computing of a position angle. A camera lens has a principal axis directing to the datum point such that a calculating unit can compute an angle formed between the displaying objective and the principal axis.
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