| 摘要 |
<p>The device comprises a PTC semiconductor pellet (14) for heating tablets impregnated with active materials which, when vaporized, may be used as ambient enhancing agents or as insect killing components. The device comprises a plastic casing (1) with a central orifice (2) and a slot (4) for positioning the semiconductor pellet (14) which remains interleaved between two electrodes (5 and 11) provided with the corresponding connection fingers (7 and 12) passing through grooves (8 and 9) of a casing (1), the assembly being completed by an aluminium plate (16) and interpositioning an isolating paper sheet (15); the plate (16) and consequently the other components remain secured inside the casing (1) by locking the latter by means of pawls of the casing (1).</p> |
