| 摘要 |
An anti-theft device (10) for deterring theft of a protected article has first and second housing elements (12,16) and a locking mechanism (20) for securing a male portion (17) of the second housing element (16) to a female portion of the first housing element (12). The locking mechanism releases the male portion from the female portion, when actuated by an unlocking device operated by an authorized person. A thermally controllable element (36,42) assumes a first position during normal temperatures, wherein the locking mechanism (20) is kept in a locked state, and a second position when heated to temperatures above a predetermined limit, wherein the locking mechanism is caused to release the male portion (17) from the female portion of the first and second housing elements (12,16). |
