Computer graphics processing and selective visual display system – Display peripheral interface input device – Stylus
Patent
1997-03-25
1999-10-19
Chow, Dennis-Doon
Computer graphics processing and selective visual display system
Display peripheral interface input device
Stylus
345173, 345509, 178 1901, 382188, 382189, G09G 500
Patent
active
059697113
ABSTRACT:
A method for creating an electronic document using a pen tool and a computer with a pen-sensitive screen is disclosed. The method is capable of generating the electronic document independently on a screen output display and in a persistent graphics memory. The electronic document is not generated simultaneously because transfer of the electronic document to the persistent graphics memory is a process that takes longer than generating the electronic document on the screen display output. However, this delay is not perceived by the operator because the ability for the screen output display to show what is generated by the operator is nearly simultaneous with the act of creation of the electronic document.
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Awad Amr
Bennethum Computer Systems
Chow Dennis-Doon
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