| 摘要 |
The subject of the present invention is a document holder with a device warning that the documents normally contained therein have not been replaced. This document holder or card holder includes housings 3 equipped in their lower part with contactors 4 connected 5 to an integrated electrical alarm circuit 1 supplied by a mini-battery 6 arranged in the lining of the document holder, so that the audible or luminous warning system 1 can be triggered when, the document holder being in the closed position at the level of the fold 7, a document 2 is not in one of the housings 3 provided for this purpose. This product is of interest to all users of credit cards and all other documents. <IMAGE>
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