Patent ID: 7813776

Claim:
A double sliding-type portable communication apparatus comprising: a main housing including a first key array having a plurality of first keys aligned on first region of an upper surface of the main housing, a second key array aligned on a second region of the upper surface of the main housing, positioned adjacent to the first key array and having a plurality of second keys, and stepped guide portions formed at upper and lower ends of the first region; a sliding housing including a display unit; and a double sliding member provided between the main housing and the sliding housing, the double sliding member guiding the sliding housing to open and close only the second key array by sliding along a longitudinal axis while facing the main housing, and guiding, in conjunction with the stepped guide portions, the sliding housing to open and close the first array and at least a portion of the second key array by sliding in a latitudinal direction perpendicular to the longitudinal axis, wherein a longitudinal dimension of the double sliding member facing with the main housing is smaller than a corresponding dimension of the upper surface of the main housing so that when the sliding housing is moved lengthwise, the second key array is exposed or covered, and when the sliding housing is moved widthwise, the first key array and a portion of the second key array are exposed or covered.