| 摘要 |
An opener for a magnetic latch in an anti-theft device for a cassette, comprising a frame or box for enclosing the cassette and having a blocking element which by means of the magnetic latch is locked in a position preventing withdrawal of the cassette from the frame or box. A magnet (16; 17; 18) for opening the magnetic latch by engaging the anti-theft device with the magnet is provided in the opener. The opener is constructed for operating optionally a magnetic latch (28) which protrudes from the anti-theft device, and a magnetic latch which is located inside an edge surface (31) of the anti-theft device. For this purpose the opener comprises a body (10) having a raised portion with a flat upper surface (11) which at a shoulder (13) connects with the lowered portion with a flat upper surface (12) extending along the shoulder. The raised portion has a recess (15) with a magnet (16) on the bottom thereof to receive therein the protruding magnetic latch for engagement with the magnet, and the lowered portion has in the flat upper surface one or more magnets (17, 18) mounted flush therein for engagement of said edge surface (31) with the magnet or magnets, respectively, with the anti-theft device abutting the shoulder. |
