Patent ID: 9346419
Filing Date: 2016-05-24
CPC Classification: B60R,G06K

Claim Text:
1. A sign plate comprising: a plate-shaped conductive plate having a front surface and a back surface, providing a slot which penetrates from the front surface toward the back surface; an RFID inlay arranged on the front surface or the back surface of the conductive plate so as to straddle the slot; and a retroreflective sheeting arranged on the front surface of the conductive plate so as to cover the slot, said retroreflective sheeting having a mirror reflective region where a mirror reflective layer is formed and a non-mirror reflective region where the mirror reflective layer is not formed, in a plan view from above said front surface, the mirror reflective region providing a plurality of independent mirror reflective regions that are separated by the non-mirror reflective region, wherein in said plan view the non-mirror reflective region has a mesh shape, and a path length of the non-mirror reflective region overlapping the slot is 200% or more with respect to a length of an outer periphery of the slot, as seen in said plan view, the independent mirror reflective regions overlap the slot and the non-mirror reflective region overlaps the slot, and the non-mirror reflective region overlapping the slot straddles the slot and none of the independent mirror reflective regions overlapping the slot straddles the slot.