公开(公告)号：US20230213360A1

公开(公告)日：2023-07-06

申请号：US18091219

申请日：2022-12-29

Applicant: University of Washington

Inventor： Jae-Hyun Chung ,  Sang-Gyeun Ahn ,  Tianyi Li ,  Zhongjie Qian ,  Vigneshwar Sakthivelpathi

IPC: G01D5/24 ,  G06F3/01 ,  G01F22/02

CPC classification number: G01D5/24 ,  G06F3/011 ,  G01F22/02

Abstract: A capacitive sensor including an electrically conductive material, and a single electrode applied with positive potential, wherein the distance between the single electrode and the electrically conductive material determines the spherical radius for a proximity sensing range.

公开(公告)号：US20230333372A1

公开(公告)日：2023-10-19

申请号：US18331852

申请日：2023-06-08

Applicant: University of Washington

Inventor： Jae-Hyun Chung ,  Vigneshwar Sakthivelpathi ,  Sang-gyeun Ahn

IPC: G02B27/01 ,  G02B27/00

CPC classification number: G02B27/0093 ,  G02B27/0101 ,  A61B3/113

Abstract: An eye-tracking system, including at least one vertical capacitance sensor, configured to measure the vertical position of a cornea of a user’s eye by sensing a position of an eyelid of the user; and at least one horizontal capacitance sensor, configured to measure the horizontal position of the cornea of the user’s eye by sensing a position of the user’s eyeball.

公开(公告)号：US12038309B2

公开(公告)日：2024-07-16

申请号：US18091219

申请日：2022-12-29

Applicant: University of Washington

Inventor： Jae-Hyun Chung ,  Sang-Gyeun Ahn ,  Tianyi Li ,  Zhongjie Qian ,  Vigneshwar Sakthivelpathi

IPC: G01D5/24 ,  G01F22/02 ,  G06F3/01

CPC classification number: G01D5/24 ,  G01F22/02 ,  G06F3/011

Abstract: A capacitive sensor including an electrically conductive material, and a single electrode applied with positive potential, wherein the distance between the single electrode and the electrically conductive material determines the spherical radius for a proximity sensing range.

公开(公告)号：US11698527B2

公开(公告)日：2023-07-11

申请号：US17727644

申请日：2022-04-22

Applicant: University of Washington

Inventor： Jae-Hyun Chung ,  Vigneshwar Sakthivelpathi ,  Sang-gyeun Ahn

IPC: G02B27/01 ,  A61B3/10 ,  A61B3/113 ,  G02B27/00

CPC classification number: G02B27/0093 ,  G02B27/0101 ,  A61B3/113 ,  G02B2027/0132 ,  G02B2027/0187

Abstract: An eye-tracking system, including at least one vertical capacitance sensor, configured to measure the vertical position of a cornea of a user's eye by sensing a position of an eyelid of the user; and at least one horizontal capacitance sensor, configured to measure the horizontal position of the cornea of the user's eye by sensing a position of the user's eyeball.

公开(公告)号：US20220350137A1

公开(公告)日：2022-11-03

申请号：US17727644

申请日：2022-04-22

Applicant: University of Washington

Inventor： Jae-Hyun Chung ,  Vigneshwar Sakthivelpathi ,  Sang-gyeun Ahn

IPC: G02B27/00 ,  G02B27/01

Abstract: An eye-tracking system, including at least one vertical capacitance sensor, configured to measure the vertical position of a cornea of a user's eye by sensing a position of an eyelid of the user; and at least one horizontal capacitance sensor, configured to measure the horizontal position of the cornea of the user's eye by sensing a position of the user's eyeball.