US 11,754,910 B2
System for illuminating the face of an occupant in a car
René Berthold, Maulburg (DE); Ana Bizal, Freiburg im Breisgau (DE); Simon Luetzelschwab, Rheinfelden (DE); and Heiko Schoene, Zell im Wiesental (DE)
Assigned to Hella GmbH & Co. KGaA, Lippstadt (DE)
Filed by Hella GmbH & Co. KGaA, Lippstadt (DE)
Filed on Aug. 23, 2022, as Appl. No. 17/821,590.
Prior Publication US 2023/0055583 A1, Feb. 23, 2023
Int. Cl. G03B 15/03 (2021.01); H05B 47/115 (2020.01); B60Q 3/70 (2017.01); B60Q 3/16 (2017.01); H05B 47/11 (2020.01); H05B 45/32 (2020.01); B60K 35/00 (2006.01)
CPC G03B 15/03 (2013.01) [B60K 35/00 (2013.01); B60Q 3/16 (2017.02); B60Q 3/70 (2017.02); H05B 45/32 (2020.01); H05B 47/11 (2020.01); H05B 47/115 (2020.01); B60K 2370/1529 (2019.05); B60K 2370/33 (2019.05)] 17 Claims
OG exemplary drawing
 
1. A system for illuminating a face of an occupant for a video call in a car, the system comprising:
at least one light source having a main light emission direction (A) which is directed toward the face of the occupant;
a camera provided to record the face of the occupant; and
a control unit connected to the at least one light source and the camera, wherein the control unit receives a horizontal frequency of the camera and a pulse frequency of the at least one light source; and
wherein the control unit controls the pulse frequency of the at least one light source to match the horizontal frequency of the camera to obtain a flickering free recording of the face of the occupant.