Patent ID: 11960108
Assignee: IOSS INTELLIGENTE OPTISCHE SENSOREN & SYSTEME GMBH
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A passive illumination device of a code reading device and/or code verification device, the passive illumination device being for use with at least one light source unit of an image receiver and comprising
at least one diffuser unit which is configured for converting light provided by the light source unit into at least substantially diffuse illumination light for an illumination of at least one illumination region, the at least one diffuser unit comprising at least one diffuser element having at least one diffusion shell for a scattering of the light,
wherein when viewed from the illumination region, the at least one diffusion shell has a concave shaping,
wherein the diffuser unit comprises at least one optical element, which is configured to deflect light provided by at least one light source of the light source unit toward the illumination region,
wherein the optical element is embodied as a beamsplitter cube,
wherein the diffuser element comprises at least one receptacle for a form-fit holding of the optical element, and
wherein the diffuser unit comprises at least one subregion that is configured to feed light provided by the light source into the optical element.