Patent ID: 7102592

Claim:
A video signal converter adapted to receive an input video signal from a host and to transmit an output video signal to a detachable display module of a portable computer, the display module being provided with a fastening element, said video signal converter comprising: a base adapted for supporting the display module thereon; a latch unit mounted on said base and adapted to engage removably the fastening element on the display module when the display module is supported on said base, thereby retaining removable the display module on said base; an input electrical connector mounted on said base and adapted to be coupled electrically to the host for receiving the input video signal therefrom; a video signal processing unit mounted in said base, coupled electrically to said input electrical connector and operable so as to convert the input video signal into the output video signal that is suitable for use by the display module; and an output electrical connector mounted on said base, coupled electrically to said video signal processing unit, and adapted to be coupled electrically to the display module when the display module is retained on said base so as to permit transmission of the output video signal from said video signal processing unit to the display module, wherein the display module has a bottom side formed with the fastening element, wherein said latch unit includes a latch member movable between a latched position, wherein said latch member is adapted to engage the fastening element, and an unlatched position, where said latch member is adapted to disengage from the fastening element, and wherein said latch unit further includes a biasing spring for biasing said latch member to the latched position.