Title:
AERIAL INPUT DEVICE
Document Type and Number:
Japanese Patent JP2022124786
Kind Code:
A
Abstract:
To allow a detection position at which a position detection sensor has detection sensitivity to be appropriately recognized.SOLUTION: An aerial input device 10 includes a light source 30, a hologram sheet 40, and a position detection sensor 11. The hologram sheet 40 forms an image 37 recorded by light from the light source 30 on an imaging surface 39. The position detection sensor 11 has detection sensitivity at a detection position 12 corresponding to the imaging surface 39. The detection position 12 is spaced apart from the hologram sheet 40. The hologram sheet 40 is irradiated with the light from the light source 30 from the side of the imaging surface 39. A distance between the imaging surface 39 and the hologram sheet 40 is 10 mm or more.SELECTED DRAWING: Figure 2
Inventors:
YAMAUCHI TAKESHI
YASUDA YOSHIKI
YASUDA YOSHIKI
Application Number:
JP2021022628A
Publication Date:
August 26, 2022
Filing Date:
February 16, 2021
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G06F3/041; G02B5/32; G03H1/22; G06F3/042
Attorney, Agent or Firm:
Nakamura Yukitaka
Miyajima Manabu
Yukihiro Hotta
Kohei Goda
Miyajima Manabu
Yukihiro Hotta
Kohei Goda
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