| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a theft alarm device capable of preventing bicycles, motorcycles, and automobiles from being stolen and securely usable with ease. <P>SOLUTION: This theft alarm device is formed in a complicated structure of an electronic circuit which always flows a very weak current in a monitoring cable and, in the occurrence of a theft, detects the cutout/shortcircuit of the very weak current to emit alarm sound. Also, the device comprises a sensor function to protect equipment in a storage box. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
