US 12,732,279 B2 · Optical transmission device, communication device, control method and recording medium

Abstract

A optical transmission device comprising a light source, a spatial light modulator which has a modulation part onto which light emitted from the light source is radiated, and which modulates the phase of the radiated light by means of the modulation part, and a control unit which allocates modulation regions associated with respective communication targets to the modulation part of the spatial light modulator, configures, in each modulation region, a phase image for forming an image used in communication with the communication target in the position of the communication target, and controls the light source such that light is radiated onto the modulation part while the phase image is configured therein.

Claims15

Dependent claims

A optical transmission device comprising:

a light source;
a spatial light modulator having a modulation part to which light emitted from the light source is radiated, the spatial light modulator modulating a phase of the emitted light using the modulation part;
and
a controller that comprises a memory storing instructions, and a processor connected to the memory and configured to execute the instructions to:
allocate a modulation region associated with each of a plurality of communication targets to the modulation part of the spatial light modulator;
set, in the modulation region, a phase image for forming an image used for communication with the communication target at a position of the communication target;
and
control the light source in such a way that the light is radiated to the modulation part in which the phase image is set.

5 more elements

Dependencies are inferred from the claim text.

Optical transmission device, communication device, control method and recording medium

Life of this patent

Optical transmission device, communication device, control method and recording medium

Life of this patent

Abstract

Claims15