| 摘要 |
<p>PREAMBLE TO DISCLOSURE POCKET ARM And is designed to be carried on one's person. It has, among others, the main feature of being able to be set to the ALERT position. If the alarm unit is then dropped to the ground or surface underfoot, the alarm will then automatically set off an intermittent shrieking siren sound. The following disclosure contains a full and correct description of the invention and to the best modes of the inventor in taking advantage of same.</p> |
