Abstract: A touch screen display system combines the use of electromagnetic radiation emitters with shadow detection to determine the precise location or other touch related parameters of an object touching the display screen. In one embodiment the system comprises a display screen, a plurality of laser emitters disposed at a periphery of the display screen; a plurality of beam shapers to shape emissions from the emitters into fan beam patterns, and a plurality of detectors disposed at the periphery of the display screen to detect laser emissions of the laser emitters; and a processor to determine a location where an object touches the display screen, based on outputs of the detectors.

Abstract: A method and apparatus for accessing a destination computer behind a firewall using a browser are described. In one embodiment, the method includes an intermediary service receiving a destination computer request, which demonstrates that the destination computer is available to be accessed, and receiving a browser request to access the destination computer. The method then includes the intermediary service associating the browser with the destination computer and providing communication between the browser and the destination computer. The communication is being provided in a form acceptable to the firewall.