| 摘要 |
PROBLEM TO BE SOLVED: To provide a searching apparatus that can communicate information to and from electronic signs arranged within various faces of a structure including vertical faces, inclined faces and above-worker horizontal faces without damaging the searched faces.SOLUTION: A searching apparatus comprises: an antenna unit 10 provided with an antenna element 2 that communicates information to and from electronic signs arranged within a structure; a supporting unit 20 turnably fitted to a fixed shaft 4 arranged on the antenna unit; and a gravity center shifting mechanism 3 that enables a plane formed by the antenna element to maintain a state of being substantially parallel to the searched faces of the structure by varying the position of the gravity center of the antenna unit relative to the axial center 5 of the fixed shaft 4. |
