| 摘要 |
<p>PROBLEM TO BE SOLVED: To shake off/prevent sleepiness of a user with sound and vibrations by biting the tool with teeth in the mouth. SOLUTION: Solid materials 1 to be the source of sound and vibrations are wrapped in a first wrapping material 2 and further wrapped in a second wrapping material 3 to form a structure 4, and a mistaken swallowing preventive bar 5 is attached to the structure. By biting the structure 4 put in the mouth, the solid materials 1 are repelled and interfered with each other to generate sound and vibrations. The sleepiness is shaken off/prevented with the stimulation of the generated sound and vibrations.</p> |
