Method of use of multiple input styli in a system of multiple co

Details Method of use of multiple input styli in a system of multiple co Method of use of multiple input styli in a system of multiple co

1994-11-15

1996-12-03

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural display systems

Tiling or modular adjacent displays

345180, G09G 500

Patent

active

055812694

ABSTRACT:
In a system of multiple computers connected by a network means, a method for using multiple input styli, each connected to an individual computer, to indicate input information on the display screen of any computer in the system. In a system in which there are many computers, a user of one computer may wish to indicate an input action on a second computer. In the present invention, all pens in a system are able to determine which computer they are writing on and an input position relative to that input computer, regardless of whether they belong to that computer, by determining an identifying "signature" of the computer based on the peak signal strength of a plurality of distinguishable signals in a complex signal produced on the computer display screen and sensed by the stylus. Each stylus is able to communicate with the software entity which can correctly interpret the measurement by using a computer network.

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