US 11,722,892 B2
VLC in streets
Remy Bendahan, Sophia Antipolis (FR); Sylvain Bougnoux, Sophia Antipolis (FR); Yuta Nakano, Sophia Antipolis (FR); and Takeshi Fujita, Kariya (JP)
Assigned to AISIN CORPORATION, Kariya (JP)
Filed by AISIN CORPORATION, Kariya (JP)
Filed on Mar. 2, 2021, as Appl. No. 17/189,885.
Claims priority of application No. 20315312 (EP), filed on Jun. 23, 2020.
Prior Publication US 2021/0400476 A1, Dec. 23, 2021
Int. Cl. H04B 10/116 (2013.01); H04W 12/06 (2021.01); H04W 12/108 (2021.01); H04W 12/65 (2021.01); H04B 10/524 (2013.01)
CPC H04W 12/06 (2013.01) [H04B 10/116 (2013.01); H04B 10/524 (2013.01); H04W 12/108 (2021.01); H04W 12/65 (2021.01)] 13 Claims
OG exemplary drawing
 
1. Visual light communication emitter for a vehicle, arranged to communicate a status of the vehicle, and comprising:
a first light emitter arranged to emit flash light which is modulated at a first target frequency in a dedicated non-visible spectrum,
a second light emitter arranged to emit flash light which is modulated at a second target frequency in the dedicated non-visible spectrum, and
wherein a difference between the first target frequency and the second target frequency is predetermined, so as to authenticate the status of the vehicle,
wherein the first target frequency and the second target frequency are between 1 kHz and 1 MHz.