Title:
EYE TRACKING SYSTEM AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/067657
Kind Code:
A1
Abstract:
An eye tracking system and a device. The eye tracking system comprises: an optical assembly (101), an image capturing assembly (102), and a light source assembly (103). The optical assembly (101) at least comprises: a first optical lens (1011) and a second optical lens (1012) which are arranged in a first direction; the light source assembly (103) is located on the side of the first optical lens (1011) away from an eyeball (104), and/or is located on the side of the second optical lens (1012) away from the eyeball (104); the light source assembly (103) is configured to emit an infrared beam, and the infrared beam is incident to the first optical lens (1011) and/or the second optical lens (1012), is incident to the eyeball (104) at least through the first optical lens (1011), and forms a Purkinje spot on the eyeball (104); the image capturing assembly (102) is configured to acquire an image of the eyeball (104), and the first direction is a line-of-sight direction in which the human eye directly faces the first optical lens (1011).
Inventors:
YANG FEI (CN)
FEI WENBO (CN)
HUANG TONGBING (CN)
FEI WENBO (CN)
HUANG TONGBING (CN)
Application Number:
PCT/CN2023/121832
Publication Date:
April 04, 2024
Filing Date:
September 27, 2023
Export Citation:
Assignee:
BEIJING 7INVENSUN TECH CO LTD (CN)
International Classes:
G02B27/01; G06F3/01; G06V10/145; G06V10/147; G06V40/19
Domestic Patent References:
| WO2022170287A2 | 2022-08-11 |
Foreign References:
| CN116449566A | 2023-07-18 | |||
| CN219066130U | 2023-05-23 | |||
| CN206178658U | 2017-05-17 | |||
| JPH08234141A | 1996-09-13 | |||
| CN213934926U | 2021-08-10 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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