eye tracking systems by Arrington Research, Inc.

Eye Tracking Analog and TTL Options
 

ViewPoint EyeTracker systems can be supplied with Analog and TTL capabilities to maintain your existing data flow requirements.

AnalogOut option:   TTL in/out option:
Selectable unipolar or bipolar voltage ranges: +/- 10, 5, 2.5
Selectable data items: position of gaze (x,y), pupil (h,w), velocity (dx,dy), and raw pupil, glint or vector data. TTL capabilities. 2, 4 or 8 channel options.
analog Eight TTL input channels are interfaced to place marker codes into the ViewPoint data file. Eight TTL output channels that indicate when the position of gaze is inside ViewPoint region of interest areas ROI-0 to ROI-7.

Item # 0015 AnalogOut Option 2 Channel
Item # 0022 AnalogOut Option 4 Channel
Item # 0024 AnalogOut Option 8 Channel

Item # 0016 TTL In/Out Option