| 摘要 |
PROBLEM TO BE SOLVED: To inform an operator of a dangerous place and an obstacle by displaying them, and to surely make the operator visually recognise the dangerous place and the obstacle. SOLUTION: Dangerous places are stored with positional information thereof, and when the operator comes close to that place, image of the operator is caught. Letters and marks for informing existence of the dangerous places are displayed by using an overhead display in a direction of eyes of the operator seeing the dangerous place. Whether the operator calls the displayed letters and the mark or not is confirmed by sound recognition. In the case wherein the operator does not call the dangerous place, an alarm is generated to the operator. COPYRIGHT: (C)2006,JPO&NCIPI
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