| US 7,461,121 B2 | ||
| Controlling the display of contents designated by multiple portable terminals on a common display device in a segmented area having a terminal-specific cursor | ||
| Koji Doi, Yokohama (Japan); Yoshiaki Morimoto, Kawasaki (Japan); Takenori Morinaga, Kawasaki (Japan); Jun Maeoka, Kawasaki (Japan); Motoaki Satoyama, Sagamihara (Japan); and Yoshitaka Shibata, Tokyo (Japan) | ||
| Assigned to Hitachi, Ltd., Tokyo (Japan) | ||
| Filed on Aug. 29, 2003, as Appl. No. 10/651,254. | ||
| Claims priority of application No. 2003-142832 (JP), filed on May 21, 2003; and application No. 2003-198846 (JP), filed on Jul. 18, 2003. | ||
| Prior Publication US 2004/0236825 A1, Nov. 25, 2004 | ||
| Int. Cl. G06F 15/16 (2006.01); G06F 3/00 (2006.01) | ||
| U.S. Cl. 709—203 [709/205; 715/753] | 6 Claims |
| 1. An information display system comprising:
a display device, including a display screen, for controlling the contents of display in accordance with a request from at
least one of portable terminals held by users;
a display server for controlling said display device such that said display screen on which the contents of display are displayed
can be shared by a plurality of users and the contents displayed on said display screen can be controlled separately from
each other in accordance with requests from the users; and
a portable terminal server for forwarding a program for using said information display system to said portable terminals and
acting as an intermediary for data exchange between said portable terminals and said display server,
wherein said display server divides a display area of said display screen into a plurality of display areas, assigns the users
the divided display areas each performing a display including a menu, displays each divided display area with an icon unique
to the divided display area on the display screen, and renders, via said portable terminal server, the icon applied to the
divided display area on said display screen to be displayed on a display screen of the portable terminal of the user using
the display area with the icon; and
wherein said display screen of the portable terminal is different from said display screen of the display device.
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