| 摘要 |
PCT No. PCT/SE96/01268 Sec. 371 Date Apr. 13, 1998 Sec. 102(e) Date Apr. 13, 1998 PCT Filed Oct. 8, 1996 PCT Pub. No. WO97/14125 PCT Pub. Date Apr. 17, 1997An alarm tag made of two parts, one of which is provided with a pin (13) attached to the one part (12) to be located on one side of the product (11) with the pin extending through the product into locking engagement with the other part (10) located on the opposite side of the product. A resonance chamber (29), mounted in the one part (12), having a central outlet (30) is provided for activating the alarm device. A cover (19) is mounted on the one part (12) over the resonance chamber, and includes a central portion in register with the outlet (30), and bars (36) extending radially from the central portion (35) to the periphery of the cover, the bars defining slots (37) between adjacent bars. |
