| 摘要 |
PCT No. PCT/EP95/00409 Sec. 371 Date Apr. 10, 1998 Sec. 102(e) Date Apr. 10, 1998 PCT Filed Feb. 6, 1994 PCT Pub. No. WO95/23421 PCT Pub. Date Aug. 31, 1995An anti-surveillance device for keyboards, particularly for the keyboards of cash dispensing machines or electronic cash devices, in order to prevent unwanted viewing of the keyboard from the side. The invention comprises at least one anti-surveillance filter (3), preferably exhibiting a lamellar or lamellar-grid structure, where only the lamellae consist of opaque material and where the anti-surveillance filter (3) is disposed above the keyboard (5).
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