Patent ID: 11913620
Assignee: ZKW GROUP GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The illumination device (1) according to claim 1, wherein a normal distance (N) between a main plane (4e) of the optically active region (4) of the optical device (3) and the light source surface (2b) of the light sources (2a) is substantially the same in the first operating state (B1) and second operating state (B2) of the optical device (3), wherein the main plane (4e) of the optically active region (4) is arranged relative to the illuminant (2) in such a way that the main plane (4e) of the optically active region (4) and the light source surface (2b) of the light sources (2) are oriented substantially parallel to one another.