Title:
EYE CONTACT DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/084653
Kind Code:
A1
Abstract:
[Problem] To provide an eye contact detection device capable of implementing a man-machine interface based on eye contact. [Solution] The eye contact detection device according to the present invention comprises: a light emitting element 200 which emits light through an opening 260 in an optical axis direction; a light receiving element 220 which receives reflected light resulting from illumination of the back of the eyeball E of a user U with the light emitted by the light emitting element 200, and outputs an electrical signal in accordance with the received light; a detection circuit 230 which amplifies and binarizes the analog electrical signal output from the light receiving element 220; and an eye contact determination unit 240 which determines the presence or absence of eye contract of the user U on the basis of a detection signal output from the detection circuit 230.
Inventors:
KOJIMA MITSUO (JP)
OKA HIBIKI (JP)
OKA HIBIKI (JP)
Application Number:
PCT/JP2019/042595
Publication Date:
May 06, 2021
Filing Date:
October 30, 2019
Export Citation:
Assignee:
IMATRIX HOLDINGS CORP (JP)
International Classes:
G06F3/01; G06F3/0346; G06F3/038
Domestic Patent References:
WO2018079446A1 | 2018-05-03 |
Foreign References:
JPH02138673A | 1990-05-28 | |||
JP2004261598A | 2004-09-24 | |||
JP2019079083A | 2019-05-23 | |||
JP2017091059A | 2017-05-25 | |||
JP2019128683A | 2019-08-01 | |||
JP2018517960A | 2018-07-05 | |||
JP2004252849A | 2004-09-09 | |||
JP2005196530A | 2005-07-21 | |||
JP2012133543A | 2012-07-12 |
Attorney, Agent or Firm:
KATAYOSE Kyozo (JP)
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