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Add a 3-oaxis solid state accelerometer to a laser pointer so the laser pointer can be used to annotate a computer-generated projected display.
Sony Electronics, Inc.
English (United States)
This text was extracted from a Microsoft Word document.
At least one non-text object (such as an image or picture) has been suppressed.
This is the abbreviated version, containing approximately
88% of the total text.
Add a 3-oaxis
solid state accelerometer to a laser pointer so the laser pointer can be used
to annotate a computer-generated projected display.
Kim Annon Ryal
of the Invention:
Having sat through a variety of
presentations, where the presenter used their laser pointer to circle a
specific idea by repeatedly circling it, I see a need for a laser pointer that
can be used in the same manner as a "telestrator"—those things TV
commentators use to draw on the monitor.
Assume a computer attached to a projector
is providing the images. This is a pretty typical case.
Include a 3-axis solid state accelerometer in a laser pointer or laser
pointer wireless mouse combo. The accelerometer generates motion vectors that
can be sent wirelessly to the computer. A service running in the computer would
receive these coordinates, translate them into lines, and paint them on the
Pressing the laser pointer button activates the laser pointer. The
presenter then points the laser dot at the display. This is for their guiding
Pressing the "draw" button causes the computer to start
drawing at the location of the laser dot while it is held. Releasing the
"draw" button stops drawing.
Calibration can be done before the presentation by pointing the laser
at the upper left corner of the projection, then pointing it at the lower