ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,457, issued on Feb. 25, was assigned to Maxell Ltd. (Kyoto, Japan).
"Head-mounted display device" was invented by Kazuhiko Yoshizawa (Kyoto, Japan) and Mayumi Nakade (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A video transmissive head-mounted display device capable of avoiding danger to a user when worn by the user has an external world image acquired by a first image inputting unit, and the external world image is displayed on a display unit. The head-mounted display device has a second image inputting unit that acquires a binocular image of a wearer. The head-mounted display device is configured so that a control unit determines,...