HEAD-MOUNTED MAGNIFIER
PROBLEM TO BE SOLVED: To solve the conventional problem of a head-mounted magnifier, which is used when a user sees an object in a magnified manner or an object is out of focus, in which, when shifting a line of sight to see a distant object, a lens needs to be manually moved out of the line of sigh...
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Format: | Patent |
Sprache: | eng ; jpn |
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