US 12,393,051 B2
Aerial display apparatus
Takayoshi Mochizuki, Shizuoka (JP)
Assigned to MURAKAMI CORPORATION, Shizuoka (JP)
Appl. No. 18/031,700
Filed by MURAKAMI CORPORATION, Shizuoka (JP)
PCT Filed Sep. 17, 2021, PCT No. PCT/JP2021/034391
§ 371(c)(1), (2) Date Apr. 13, 2023,
PCT Pub. No. WO2022/085346, PCT Pub. Date Apr. 28, 2022.
Claims priority of application No. 2020-176011 (JP), filed on Oct. 20, 2020.
Prior Publication US 2023/0384615 A1, Nov. 30, 2023
Int. Cl. G02B 30/56 (2020.01); G03B 21/10 (2006.01); G03B 21/20 (2006.01)
CPC G02B 30/56 (2020.01) [G03B 21/10 (2013.01); G03B 21/2006 (2013.01); G03B 21/2066 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An aerial display apparatus displaying a virtual image in the air, comprising:
a display apparatus irradiating with light to display information,
a retroreflective member reflecting the light from the display apparatus multiple times to display a virtual image in the air;
an infrared-ray transmission/reception unit transmitting and receiving infrared rays used as data through the retroreflective member;
a control unit transmitting and receiving a control signal to and from each of the display apparatus and the infrared-ray transmission/reception unit; and
a housing accommodating the display apparatus and the infrared-ray transmission/reception unit,
wherein the retroreflective member is mounted on an opening formed in the housing, and
wherein the display apparatus and the infrared-ray transmission/reception unit are arranged inside the housing.