Title:
SIGHT LINE DETECTION DEVICE
Document Type and Number:
Japanese Patent JP2014149668
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light and thin sight line detection device.SOLUTION: The sight line detection device comprises: a pair of lens; a frame holding the lenses; a beam splitter provided inside each of the lenses, which transmits a beam of light from a visual field to a direction of a user's eye and reflects a part of the beam of light from the visual field to a direction generally parallel to the lens plane as well as transmits a beam of light from the user's eye to a direction of the visual field and reflects a part of the beam of light from the user's eye to a direction generally parallel to the lens plane; a first light taking parts each disposed adjacent to the periphery of the lens in the frame for taking the light from the user's eye reflected by the beam splitter; and a second light taking parts each disposed adjacent to the periphery of the lens in the frame for taking the light from the visual field reflected by the beam splitter.
Inventors:
HORI TAKEHIRO
Application Number:
JP2013017897A
Publication Date:
August 21, 2014
Filing Date:
January 31, 2013
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G06F3/0346; A61B3/113; G02C5/00
Attorney, Agent or Firm:
Yasutaka Fujiwara
Field Takumi
柘 Shuusaku
Field Takumi
柘 Shuusaku
Previous Patent: NUMBERED TICKET ISSUING SYSTEM FOR WEB ACCESS
Next Patent: SEMICONDUCTOR MEMORY DEVICE
Next Patent: SEMICONDUCTOR MEMORY DEVICE