Digitizer Specifications
5-3
Digitizer Specifications
The Stylistic 2300 pen tablet digitizer consists of the pen, an electromagnetic sensor grid, and supporting
controller circuitry. The sensor grid is built into the pen tablet behind the display screen and receives an
electromagnetic signal from the pen. The signal indicates the pen location relative to the sensor grid. The
pen signal is received by the sensor grid when the pen is within a minimum proximity of approximately
10 mm from the screen surface. (This allows the pen to control the cursor position without touching the
screen surface.) Switch information on the pen is determined by the characteristics of the signal
transmitted from the pen. Digitizer specifications are given in Table 5-4.
Note:
The pen tip switch must be pressed to turn the pen on (pen transmitting). The pen turns off
automatically after a period of time (between 1.5 to 4.5 minutes) with no activity.
Table 5-4 Digitizer Specifications
Feature Specification
Comments
Proximity
10 mm (approximately)
(0.375 in)
Minimum distance from pen tip to screen
surface.
Active Area
172.4 mm x 129.8 mm
Area of display screen that reacts with the pen.
Resolution 0.025
mm
Maximum Sampling Rate
133 points per second
Interface
Serial interface
Assigned to IRQ 15
Pen
Switches Tip
switch
Barrel button
Tips are replaceable.
Replacement tip order number: FMWPNT2
(quantity 25)
Pen Battery
1.5 volt, alkaline, AAAA size
Voltage range: 1.1 to 1.6 volts
Suggested battery: Eveready model E96.
Continuous running time: 1190 hours.
Pen Power Consumption
Normal (operational) mode:
400 uA max (270 uA typical)
Idle mode:
3.5 uA max (1.5 uA typical)
Pen is in idle mode unless tip switch is pressed.
(Pressing the side switch alone will not initiate
normal operation.) Pen will enter idle mode
when 1.5 to 4.5 minutes elapse with no tip
switch activity.
Pen circuitry is protected against battery
reverse polarity.
Microsoft Corp. Exhibit 1020
Summary of Contents for Stylistic 2300
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Page 114: ...9 4 Programmable Hotpad Libraries for 16 bit Windows Applications Microsoft Corp Exhibit 1020 ...
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