Computer graphics processing and selective visual display system – Display peripheral interface input device – Stylus
Reexamination Certificate
2005-03-17
2011-12-20
Shankar, Vijay (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Stylus
C178S019010, C178S019040, C178S019050
Reexamination Certificate
active
08081171
ABSTRACT:
A digital pen of the kind having means to sense and create a digital record of the use made of the pen and a memory in which the digitised record is stored also includes a reader for communication with memory tags by inductive coupling. The means to sense and create a digital record of the use made of the pen may include a camera. Preferably the reader for communication with memory tags is located at the opposite end of the pen from a nib for convention writing, and the pen includes a battery power supply.
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Adams Guy de Warrenne Bruce
MacKenzie Andrew
Hewlett--Packard Development Company, L.P.
Shankar Vijay
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