| 摘要 |
<p>PURPOSE: A cellular phone edge curve is provided to prevent slippage by latching a protrusion unit between fingers. CONSTITUTION: Groove and protrusion unit are formed in an edge of a cellular phone. The depth of a lengthwise groove of the cellular phone is 0.7 mm and the depth of a widthwise groove is 0.3 mm. Four grooves and five protrusion units are formed in a lengthwise part of the cellular phone. Three grooves and four protrusion units are formed in a widthwise part of the cellular phone. According to a product, curved line in the widthwise and lengthwise parts are formed as much as required.</p> |
