ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,440, issued on Oct. 28, was assigned to MAXELL LTD. (Kyoto, Japan).
"Vehicle" was invented by Hidenori Takata (Kyoto, Japan) and Nozomu Shimoda (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A head-up display device (HUD) includes a sound analysis portion that determines whether a specific alarm is involved in sound signals from microphones 40a to 40d to collect ambient sound around a vehicle. When a specific alarm has been detected as determined by the sound analysis portion, an image display unit displays icons, representing the specific alarm. The specific alarm includes a siren sound given from an emergency vehicle and a horn sound...