US 11,954,250 B2
Eye tracking device and eye tracking method
Lun-Kang Lin, Taoyuan (TW); and I-Han Tai, Taoyuan (TW)
Assigned to HTC Corporation, Taoyuan (TW)
Filed by HTC Corporation, Taoyuan (TW)
Filed on Sep. 23, 2022, as Appl. No. 17/951,104.
Claims priority of provisional application 63/328,749, filed on Apr. 8, 2022.
Prior Publication US 2023/0324987 A1, Oct. 12, 2023
Int. Cl. G06F 3/01 (2006.01); A61B 3/113 (2006.01)
CPC G06F 3/013 (2013.01) [A61B 3/113 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An eye tracking device, comprising:
a sensor, disposed on an eyeball of a user and having a plurality of signal receiving units; and
a plurality of signal transmitting units, disposed around the sensor and surrounding the sensor,
wherein the signal transmitting units respectively transmit a plurality of transmitting signals in a preset sequence, the signal receiving units receive the transmitting signals to respectively generate a plurality of sensing signals, and the eye tracking device calculates a position of the eyeball according to the sensing signals,
wherein at least one of the signal transmitting units are selected to transmit a charging signal to the sensor for charging the sensor according to the position of the eyeball.