Slide-type portable communication apparatus

A portable communication apparatus comprising:

• a main housing having at least a display section and an operation section;
• and
• a movable housing engaged with the main housing so that said movable housing is freely slidable in a longitudinal direction between a retracted state and an extended state,
• wherein a portion of said display section of said main housing is covered and protected by said movable housing when said main housing and said movable housing are in the retracted state.

A portable communication apparatus comprising:

• a main housing having at least a display section and an operation section;
• a movable housing engaged with the main housing so that said movable housing is freely slidable in a longitudinal, direction between a retracted state and an extended state;
• and
• at least one optical function section, each of which has an aperture section thereof, wherein said aperture section is provided on a surface of said main housing that is covered and protected by said movable housing when said main housing and said movable housing are in the retracted state, wherein said optical function section is usable only when said aperture section is exposed by extending the said main housing and said movable housing.