Optical device, retinal projection display, head-mounted display, and optometric apparatus

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United States of America Patent

PATENT NO 11803057
APP PUB NO 20200285058A1
SERIAL NO

16811660

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Abstract

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An optical device includes a light source section configured to emit light; a converging reflector configured to converge and reflect the light from the light source section to an irradiation surface having a curvature; and a position detector configured to detect a light-receptive position of the light reflected from the irradiation surface.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTD3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 143-8555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Kazuhiko Miyagi, JP 37 533
Sangu, Suguru Kanagawa, JP 15 81
Shimokawa, Tatsuya Hyogo, JP 7 11
Suzuki, Shuichi Kanagawa, JP 133 1716
Tanaka, Shu Osaka, JP 11 18

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