Title:
光学装置、網膜投影表示装置、頭部装着型表示装置、及び検眼装置
Document Type and Number:
Japanese Patent JP7424099
Kind Code:
B2
Abstract:
To allow for appropriately detecting the pupil position.SOLUTION: An optical device, according to an embodiment of the disclosed technique, comprises light source means for emitting light, focusing and reflecting means for focusing and reflecting the light from the light source means toward an irradiated surface with curvature, and position detection means for detecting the position of the light reflected from the irradiated surface.SELECTED DRAWING: Figure 1
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Inventors:
Shun Sannomiya
Tatsuya Shimokawa
Kazuhiko Adachi
Hide Tanaka
Shuichi Suzuki
Tatsuya Shimokawa
Kazuhiko Adachi
Hide Tanaka
Shuichi Suzuki
Application Number:
JP2020028225A
Publication Date:
January 30, 2024
Filing Date:
February 21, 2020
Export Citation:
Assignee:
株式会社リコー
International Classes:
G02B27/02; A61B3/113; G02C11/00
Domestic Patent References:
| JP2001290102A | ||||
| JP2002189173A |
Foreign References:
| US20160180692 | ||||
| WO2009066475A1 | ||||
| CN206696529U | ||||
| US9658453 | ||||
| US20160166146 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito