US 12,459,426 B2
Warning sign arrangement for a vehicle
Henrik Hallberg, Gothenburg (SE)
Assigned to VOLVO AUTONOMOUS SOLUTIONS AB, Gothenburg (SE)
Filed by VOLVO AUTONOMOUS SOLUTIONS AB, Gothenburg (SE)
Filed on Apr. 27, 2022, as Appl. No. 17/660,921.
Claims priority of application No. 21172719 (EP), filed on May 7, 2021.
Prior Publication US 2022/0355729 A1, Nov. 10, 2022
Int. Cl. B60Q 1/52 (2006.01); B60Q 1/50 (2006.01); B60Q 7/02 (2006.01); B60R 16/033 (2006.01)
CPC B60Q 1/50 (2013.01) [B60R 16/033 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A warning sign arrangement for a vehicle, comprising:
a warning sign,
a warning sign hiding device comprising an electric locking mechanism, the warning sign hiding device being configured to hide the warning sign when the electric locking mechanism is active, and to expose the warning sign when the electric locking mechanism is deactivated,
wherein
the electric locking mechanism comprises a first electric lock configured to be powered by a main electric power supply of the vehicle, and a second electric lock configured to be powered by a backup electric power supply of the vehicle, the backup electric power supply being a redundant electric power supply of the vehicle configured to supply electric power to functions of the vehicle if the main electric power supply is no longer functional, wherein both of the first electric lock and the second electric lock must be deactivated to expose the warning sign,
wherein the first electric lock is configured to be deactivated automatically in response to an interruption of the main electric power supply, and the second electric lock is configured to be deactivated automatically in response to an interruption of the backup electric power supply.