| 摘要 |
PROBLEM TO BE SOLVED: To provide a report device capable of confidentially notifying useful information. SOLUTION: The report device has a display unit 1 which is mounted on an arbitrary location inside or outside of a building and displays report data at a visible display position so as not to be directly visible, a management computer 2 for transmitting the report data to the display unit 1, and a portable recognition unit 52 and portable spectacle-type recognition unit 51 to directly visually recognize the report data displayed on the display unit 1. COPYRIGHT: (C)2007,JPO&INPIT
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