A portable terminal unit for use in an information processing system and a communication adaptor therefor
摘要
<p>The invention concerns a portable terminal unit (1), which is driven by a battery (12), and is equipped with a control circuit, a keyboard (11), and connectors comprising:
an upper casing (10A) made of moulded plastic;a lower casing (10B) made of moulded plastic; anda moisture resistant seal (18) made of rubber or resin being moulded onto one of the joining edges of the upper casing and the lower casing integrally.</p>
