Computer graphics processing and selective visual display system – Display peripheral interface input device – Stylus
Reexamination Certificate
2005-04-05
2005-04-05
Eisen, Alexander (Department: 2674)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Stylus
C178S019010
Reexamination Certificate
active
06876356
ABSTRACT:
A digitizer pen system including: a pen having an elongated body terminating in a writing tip and at least one ultrasound transducer deployed adjacent to the writing tip. The digitizer pen also includes a writing element removably inserted into the writing tip. The writing element has an end protruding from the writing tip. The digitizer pen also includes an extraction tool including a plurality of flexible leaves deployed around a central position. The flexible leaves are spaced such that, when the extraction tool is pressed onto the protruding end of the writing element, the flexible leaves grip the protruding end so as to facilitate extraction of the writing element. The elongated body has a main grip surface. The elongated body includes at least one radial projection located between the ultrasound transducer and the main grip surface.
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Disappearing Ink http://www.uvm.edu/˜tholme/fun/disink.htm.
Disappearing Ink Pen: http://www.pimall.com
asi/dispen.html.
Shenholz Gideon
Zloter Yitzhak
Eisen Alexander
Friedman Mark M.
Pegasus Technologies Ltd.
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