Resources Contact Us Home
Device having sight line detecting function

Image Number 11 for United States Patent #6507702.

A device having a sight line detecting function includes an illumination unit for illuminating an eyeball of an observer looking into an observation screen, by a plurality of light-emitting members; an image-pickup member which receives the light reflected from the eyeball; a rotational angle calculating device which calculates the rotational angle of the eyeball of the observer, using the cornea reflection images detected by the image-pickup member; and a correction unit for calculating correction data for correcting error between the calculated rotational angle value and the sight line of the observer, and for storing the correction data. In this device, the correction unit stores a plurality of correction data corresponding to the number of the cornea reflection images, with respect to the same observer.

  Recently Added Patents
Handover signaling in wireless networks
Image forming apparatus capable of timely starting different image formation mode
Clock face
Sheet coil type resolver
Image heating device
Delay interferometer using magneto-optic effect of a variable faraday rotator
Image-monitoring method for electroporation treatment and as associated image-monitoring appliance
  Randomly Featured Patents
Computer cooling system
Apparatus and method to develop multi-core microcomputer-based systems
Irradiator apparatus
System and method for enabling multicast telecommunications
Hydrogen sulfide analyzer with protective barrier
Window component extrusion
Method of detecting a label used in an anti-theft surveillance system
Composite profile for window, door or facade element
Electric device for executing process based on map data
Coated sodium percarbonate particles, process for the production thereof and use thereof