Extending touch: towards interaction with large-scale surfaces
Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces
Structured laser pointer: enabling wrist-rolling movements as a new interactive dimension
Proceedings of the International Conference on Advanced Visual Interfaces
pPen: enabling authenticated pen and touch interaction on tabletop surfaces
ACM International Conference on Interactive Tabletops and Surfaces
Drag and drop by laser pointer: seamless interaction with multiple large displays
UIC'06 Proceedings of the Third international conference on Ubiquitous Intelligence and Computing
A comparative study on distant free-hand pointing
Proceedings of the 10th European conference on Interactive tv and video
A pattern language for interactive tabletops in collaborative workspaces
Proceedings of the 15th European Conference on Pattern Languages of Programs
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This paper presents the uPen, a laser pointer combined with a contact-pushed switch, three press buttons and a wireless communication module. This novel interaction device allows users to interact on large displays at a distance or directly on the surface with full-function of mouse. Onboard software enable the uPen system to identify different users and provide personalized services to them, such as associating users with corresponding privileges, giving access to each participant's private content (e.g., home pages, personal calendars). Additionally, with our two-step association method, the uPen system has the ability to distinguish strokes of different uPens working simultaneously and support multiuser simultaneous interaction. A prototype system has been implemented in our Smart Classroom [1]. And user studies show the benefit of using it.