Patent ID: 7139014

Claim:
A portable composite communication terminal for voice communication and image transmission/reception, comprising: a camera unit that digitally captures an image of an object, constructs the image in a predetermined format, compresses the formatted image, and stores the compressed image in the camera memory under a predetermined camera control; a portable phone unit having a controller that provides overall control to the portable composite communication terminal and selectively performs voice communication and image transmission/reception of at least one image included in an e-mail according to a selected transmission mode among predetermined modes; a display that displays external images produced by the camera unit images and characters produced by the portable phone unit for an on screen display (OSD) under the control of the portable phone unit; and an interface between the portable phone unit and the display to display images and characters on the display under the control of the portable phone unit, the interface comprising: an OSD controller that controls the overlay display of characters and background images, said background images received from the portable phone unit or previously downloaded, at a specific position of a currently-displayed external images on the display in synchronization with one of an external color sync signal received from the camera unit when the background image is received from the portable phone unit or in synchronization with an internal color sync signal when the background image is previously downloaded; and a selector that selectively outputs an external image signal received from the camera unit and an OSD image signal received from the OSD controller to be composed of one image on the display under the control of the OSD controller.