Patent ID: 7911666

Claim:
An apparatus for reading a computer-generated hologram contained in a storage medium, the apparatus comprising: a radiation source for irradiation of the hologram contained in the storage medium with a read beam composed of electromagnetic radiation; an outlet opening for receiving an image that is produced from the hologram; optics including at least a first lens and a second lens; and a holding section for holding the apparatus with one hand; wherein the apparatus is configured to be placed on the storage medium that contains the hologram; wherein a focal point of the first lens and a focal point of the second lens are each arranged essentially on one plane; wherein the optics are configured such that the first lens is positioned between the hologram and the outlet opening and such that the second lens is positioned between the first lens and the outlet opening; and wherein the optics are configured to produce a reconstruction of the hologram on a retina of a human eye.