| 摘要 |
<p>PCT No. PCT/GB93/01901 Sec. 371 Date Mar. 3, 1995 Sec. 102(e) Date Mar. 3, 1995 PCT Filed Sep. 9, 1993 PCT Pub. No. WO94/07221 PCT Pub. Date Mar. 31, 1995A security enclosure (20) includes an inner enclosure defined by a first electrically insulating sheet (60) carrying a layer (56) of electrically responsive material on an outer side, the sheet (60) being folded and having edges (100) in overlapping relation and adhered to one another to define the inner enclosure. A detector (80) is provided for detecting separation of the electrically responsive material (56) from the sheet (60) and is located inside the inner enclosure. An outer enclosure is defined by a second electrically insulating sheet (44) wrapped about and adhered to the inner enclosure and also having edges in overlapping relation.</p> |
