| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of expression inability of confirming a dead angle part that used to be unseen and confirmed by a photo taken by someone else while a person was performing. SOLUTION: This invention contributes to: the improvement in the expression quality of the person who performs; and establishment of a new expression, by the method that can make a dead angle part visible by setting an image delivery device at the dead angle part that the person cannot see while the person is performing and by setting another image delivery device at a position that the person can see. COPYRIGHT: (C)2009,JPO&INPIT
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