초록 ▼

In an information processing system having a portable terminal unit, such as a hand-held computer, driven by a rechargeable battery and a data communication adaptor for enabling communication between the portable terminal unit and a host computer of the system, the terminal unit and the data communi

In an information processing system having a portable terminal unit, such as a hand-held computer, driven by a rechargeable battery and a data communication adaptor for enabling communication between the portable terminal unit and a host computer of the system, the terminal unit and the data communication adaptor are designed to minimize the size by having an auxiliary connector for an optional device extend a function of the portable terminal unit. This is provided in the opening of the casing of the portable terminal unit movable in three dimensions mounted on a printed circuit board.

대표청구항 ▼

[ What is claimed is:] [1.] A combination of a portable terminal unit and an optional device, said portable terminal unit being driven by a battery, and equipped with a control circuit, a keyboard, and connectors, to which the optional device for extending a function of the portable terminal unit is

[ What is claimed is:] [1.] A combination of a portable terminal unit and an optional device, said portable terminal unit being driven by a battery, and equipped with a control circuit, a keyboard, and connectors, to which the optional device for extending a function of the portable terminal unit is connected, the combination comprising:a housing of the portable terminal unit, the housing including the control circuit, the keyboard, and the connectors thereupon, said housing including a receiving area for receiving the optional device therein;a casing of the optional device, said casing of said optional device comprisingan opening in said casing;an auxiliary connector disposed in said opening, said auxiliary connector for connecting to the portable terminal unit;a printed circuit board positioned in the casing, said auxiliary connector being mounted on said printed circuit board;a bias means is attached to said printed circuit board, for biasing the printed circuit board from a bottom side thereof toward the opening from a fixed location within the casing; anda stopper means provided in the opening attached to the casing for retaining and regulating the position of the printed circuit board inside the opening.