Patent ID: 8089495

Claim:
A handheld device for displaying a standardized full image Internet page created for display on large-area displays using HTML or XML protocol, said handheld device comprising: a display, said display being relatively small when compared to said large-area displays; a first screen memory storing the full image Internet page as a large-format full image virtual screen; a second screen memory used as a display buffer memory, the display buffer memory storing portions of contents of the large-format full image virtual screen being displayed on the display of the handheld device; a positioning key tactile element arranged on a front of the handheld device for thumb control and for positioning a pointer device on the display of the handheld device to select an area which is to be enlarged or reduced, where said positioning key tactile element allows the pointer device to be freely positioned on the display of the handheld device such that by moving the pointer device to a display edge on the display of the handheld device, the portion of contents of the large-format full image virtual screen being displayed is continuously shifted and displayed; and a zoom key tactile element arranged on a back of the handheld device for middle-finger control for enlarging or reducing the selected area either to a clearly readable enlarged format, or to a point where a desired level of enlargement has been achieved, wherein the two tactile elements are arranged ergonomically on the handheld device such that it is possible to control both keys with one hand without changing the respective grip position, and wherein when displaying portions of contents of the large-format full image on the display, content for the display buffer memory is selectively obtained by performing a copy operation for copying the portions of the contents of the large-format full image virtual screen from the first memory to the display buffer memory or by use of mathematical or combinational logic functions including zoom functions; or copying a current display area from the virtual screen to the display buffer memory is dispensed with and the display buffer's memory positions are used within the virtual screen as a storage location vector for the display electronics.