Mapping drawings generated on small mobile pen based electronic

Details Mapping drawings generated on small mobile pen based electronic Mapping drawings generated on small mobile pen based electronic

1996-04-03

1998-10-06

Wu, Xiao

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345 2, 345173, G09G 508

Patent

active

058184252

ABSTRACT:
A user interface system for providing pen based input to large display screens includes a portable computer supporting both a wireless transmitter and a small pen input screen. A computer is connected to a large display screen having an area substantially larger than an area of the small pen input screen of the portable computer. A wireless receiver is connected to the computer and configured to receive wireless communications from the portable computer. An input mapping module is used for controlling user defined output on the large display screen in response to user defined input from the small pen input screen of the portable computer. The input mapping module has a selectable first mode for positioning graphical output to fall within a bounding box movable about the large display screen in response to pen movement on the small pen input screen. A second mode resizes a boundary box within which drawings are scaled and mapped onto the large display screen, while a third mode maps drawings on the pen input screen onto the large display screen. A fourth mode allows sequential character input to be automatically displayed on the large display screen.

REFERENCES:
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patent: 5502461 (1996-03-01), Okamoto
patent: 5561446 (1996-10-01), Montlick
S. Elrod et al., Liveboard: A Large Interactive Display Supporting Group Meetings, Presentations and Remote Collaboration, Proc. Conf. on Comp. Human Interaction (CHI), May 1992, pp. 599-607.
B. Schilit et al., Context-Aware Computing Applications, Proc. Wkshp on Mobile Comp. Sys. and Apps., IEEE, Dec. 1994, pp. 85-90.
R. Want et al., A Focus on Context Sensitivity and the Spatial Arrangement of Computers and Overview of the Parctab Ubiquitous Computing Experiment, IEEE Personal Communications, Dec. 1995, pp. 28-43.

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