ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,689, issued on Sept. 30, was assigned to PANASONIC AUTOMOTIVE SYSTEMS Co. LTD (Kanagawa, Japan).
"Head-up display" was invented by Tetsuya Ogura (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head-up display includes a mirror body, a mirror having a shaft serving a rotary axis, a bearing member which holds the shaft of the mirror to be rotatable, a torsion spring through which the shaft penetrates and which urges the mirror in a predetermined rotational direction of the rotary axis with respect to the bearing member, and a housing which accommodates the mirror, the bearing member, and the torsion spring. The torsion spring is dis...