The present invention relates to a lighting device for the complete and precise projection of a light beam comprising a light source, a plate and a light focusing system, the plate comprising an aperture, the light source and the light focusing system being on a first side of the plate, the light source and the light focusing system being configured for projection of a light beam from the aperture, the light focusing system comprising a collimator, two biconvex and one biconcave lenses. The invention also relates to a method for completely and precisely illuminating an object or space through an aperture.

The present invention relates to a lighting device for the complete and precise projection of a light beam comprising a light source, a plate and a light focusing system, the plate comprising an aperture, the light source and the light focusing system being on a first side of the plate, the light source and the light focusing system being configured for projection of a light beam from the aperture, the light focusing system comprising a collimator, two biconvex and one biconcave lenses. The invention also relates to a method for completely and precisely illuminating an object or space through an aperture.

1. A method for producing a holding device (1), wherein a light guide channel (2) is formed in the holding device (1) and extends from a first end section (2a) to a second end section (2b) of the holding device (1), wherein the first end section (2a) has a receiving region, in which a first optical element (3) can be fastened in a form-fitting manner, wherein the second end section (2b) has a stop surface (5) for the connection to a second optical element (4), and wherein the method comprises the following steps:

a) providing the first optical element (3),

b) providing an injection molding device for carrying out an injection molding process, wherein the injection molding device has two mold halves,

c) introducing the first optical element (3) into the first mold half of the injection molding device,

d) closing the mold halves,

e) forming the first end section (2a) of the holding device,

f) forming a shell of the holding device (1), which encloses the light guide channel (2),

g) forming the second end section (2b), which terminates the shell of the holding device (1), together with the stop surface (5).

The present invention refers to a fog detector for a vehicle, with a specially shaped lens, comprising: a light emitter (1) configured to emit at least one light pulse; a first optical element (2) configured to direct light of the at least one light pulse along a first optical path; a second optical element (4) configured to direct scattered light of the at least one light pulse along a second optical path to a focal spot of a light receiver (3) of the fog detector, wherein the focal spot is spatially offset from an axis extending along the first optical path; the first optical element (2) and the second optical element (4) being arranged and constructed such that the first and the second optical path at least partially overlap with each other and the first optical element (2) and the second optical element (4) being arranged and constructed such that the light emitter (1) and the light receiver (3) are operable on a common optical axis.

The present invention also refers to a method for fog detection and a driving support system comprising the fog detector. Furthermore, the present invention refers to a vehicle comprising the driving support system. Furthermore, the present invention refers to a computer program, a data carrier signal, and a computer-readable medium.

The present invention refers to a fog detector for a vehicle, with a specially shaped lens, comprising: a light emitter (1) configured to emit at least one light pulse; a first optical element (2) configured to direct light of the at least one light pulse along a first optical path; a second optical element (4) configured to direct scattered light of the at least one light pulse along a second optical path to a focal spot of a light receiver (3) of the fog detector, wherein the focal spot is spatially offset from an axis extending along the first optical path; the first optical element (2) and the second optical element (4) being arranged and constructed such that the first and the second optical path at least partially overlap with each other and the first optical element (2) and the second optical element (4) being arranged and constructed such that the light emitter (1) and the light receiver (3) are operable on a common optical axis.

The present invention also refers to a method for fog detection and a driving support system comprising the fog detector. Furthermore, the present invention refers to a vehicle comprising the driving support system. Furthermore, the present invention refers to a computer program, a data carrier signal, and a computer-readable medium.

A static-image augmented privacy display, mode-switchable privacy display system, and method provide a private image to a first view zone and a static image to a second view zone. The static-image augmented privacy display includes a privacy backlight configured to provide directional emitted light to the first view zone and an array of light valves configured to modulate the directional emitted light to provide a private image within the first view zone. The static-image augmented privacy display also includes a static display layer configured to provide a static image in a second view zone. The mode-switchable privacy display includes a broad-angle backlight configured to provide broad-angle emitted light to both a first view zone and a second view zone during a shared mode, a shared image being provided by modulation of the broad-angle emitted light using the light valve array.

A static-image augmented privacy display, mode-switchable privacy display system, and method provide a private image to a first view zone and a static image to a second view zone. The static-image augmented privacy display includes a privacy backlight configured to provide directional emitted light to the first view zone and an array of light valves configured to modulate the directional emitted light to provide a private image within the first view zone. The static-image augmented privacy display also includes a static display layer configured to provide a static image in a second view zone. The mode-switchable privacy display includes a broad-angle backlight configured to provide broad-angle emitted light to both a first view zone and a second view zone during a shared mode, a shared image being provided by modulation of the broad-angle emitted light using the light valve array.

A laser emitter includes an emitting assembly and a laser deflection assembly, wherein the emitting assembly that has a beam outlet, and the beam outlet is configured to emit a laser beam, the laser deflection assembly that is at the beam outlet and is movable relative to the beam outlet, the laser deflection assembly is configured to change an angle of deviation of the laser beam emitted from the beam outlet when the laser deflection assembly is translated relative to the beam outlet, and an included angle is between a translation direction of the laser deflection assembly and a center line of the laser beam emitted from the beam outlet.

A laser emitter includes an emitting assembly and a laser deflection assembly, wherein the emitting assembly that has a beam outlet, and the beam outlet is configured to emit a laser beam, the laser deflection assembly that is at the beam outlet and is movable relative to the beam outlet, the laser deflection assembly is configured to change an angle of deviation of the laser beam emitted from the beam outlet when the laser deflection assembly is translated relative to the beam outlet, and an included angle is between a translation direction of the laser deflection assembly and a center line of the laser beam emitted from the beam outlet.

Provided are methods for geometric intrinsic camera calibration using a diffractive optical element. Some methods described include receiving, by at least one processor, at least one image captured by a camera based on a plurality of light beams received from a diffractive optical element aligned with an optical axis of the camera, the plurality of light beams having a plurality of propagation directions associated with a plurality of view angles. The at least one processor identifies a plurality of shapes in the image, determines a correspondence between the plurality of shapes in the image and the plurality of light beams, and identifies one or more intrinsic parameters of the camera that minimize a reprojection error function based on the plurality of shapes in the image and the plurality of propagation directions. Systems and computer program products are also provided.