| 摘要 |
<p>A signage display device for use with a peephole fixed on a door in a room in hotels, the signage display device having an inner display disc on an inside of the door; a corresponding outer display disc on an outside of the door; an outer display cover connected to the corresponding outer display disc; the inner display disc and outer display disc having identical signs in the same locations on each disc; the inner display disc, outer display disc and outer display cover all connected to the peephole device. When a sign to be displayed is selected on the inner display disc, the identical sign is correspondingly selected on the corresponding outer display disc instead of a outer display cover, an inner pointer and outer pointer is also proposed.</p> |
