| 摘要 |
<p>An electronic seal (300) is described. The seal includes a sealing mechanism (301, 302) for sealing a value item and a cover (304), which inhibits access to the sealing mechanism (301, 302). A trigger (303) is held in a substantially fixed relationship relative to the sealing mechanism (301, 302) when the cover (304) is moved away from the sealing mechanism (301, 302). The trigger (303) holds in position a tensioned spring (305), which is released when the cover (304) is moved away from the sealing mechanism (301, 302). The released spring (107) then impacts part of a transponder (201) in the electronic seal (300).</p> |
