| 摘要 |
A star scanner according to this invention has an optical system for forming a star image, a photoelectric transducer arranged at a scanning section for the star image to be formed by the optical system, and a signal processor for generating detection data on the star image in accordance with a signal output from the photoelectric transducer. The optical detector fo the photoelectric transducer has semiconductor photosensitive elements arranged at the scanning section for the star image to be formed, and reticles, arranged between the semiconductor photosensitive elements and the optical system, to constitute a plurality of photosensitive sections and light-blocking sections on the photosensitive surface ofthe semiconductor photosensitive elements along a star image-scanning direction. The signal processor has means for generating detection data on the star image in accordance with the signal output of the semiconductor photosensitive elements.
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