Importance

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Abstract

An external keyboard connected to a personal digital assistant (PDA) comprises a keyboard section, a cover including a first portion and a hinged second portion, and a connection port in the center of the hinge between the keyboard section and the cover, the connection port being capable of connecting to a connector of the PDA. A support member is formed at the hinge between first and second portions of cover opposite to an elastic restrain formed at the hinge of the first and the second portions of cover. The restrain is curved and is urged against one side the support member for fastening the support member at a first angle relative to the restrain in one position. Thus, first and second portions of cover are held at the same plane. In another position, second portion of cover is pivoted at a second angle relative to first portion thereof. One side of support member is pivoted to the same angle relative to restrain accordingly. Thus, support member is fastened at the second angle by the elasticity of restrain. As a result, second portion of cover is also held at the second angle. When PDA is connected to connection port and held in first portion of cover, keyboard and PDA are prevented from tipping over by the support of second portion of cover.

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First Claim