A structured light-emitting module includes a lens housing, a light-emitting element, a lens mounted on the lens housing, and a digital light processing sensor. The light-emitting element is mounted on an inner side wall of the lens housing. The digital light processing sensor is mounted on an inner side wall of the lens housing and is configured to reflect light emitted by the light-emitting element to the lens for transmission.

An exit aperture is set forth for placement between a prism and a projection lens capable of projecting light on a screen, comprising a frame with an opening for passing a cone of light and mounting points for securing the frame relative to the projection lens, wherein the opening has serrated edges for diffracting light incident thereon in multiple directions perpendicular to the serrated edges so as to be imperceptible when projected on the screen.

The invention relates to an optical device (1) for enhancing the resolution of an image, comprising: a transparent plate member (10) configured for refracting a light beam (20) passing through the plate member (10), which light beam (20) projects an image comprised of rows and columns of pixels (40), a carrier (50) to which said transparent plate member (10) is rigidly mounted, wherein the carrier (50) is configured to be tilted between a first and a second position about a first axis (A), such that the plate member (10) is tilted between the first and the second position about the first axis (A), whereby said projected image (30) is shifted by a fraction (P) of a pixel, particularly by a half of a pixel, along a first direction (x), and an actuator means (60) that is configured to tilt the carrier (50) and therewith the plate member (10) between the first and the second position about the first axis (A).

The present invention provides a method for fabricating small right angle prism mirrors, projecting system, and small right angle prism mirrors fabricated by a semiconductor process. The method comprises: coating a reflecting layer on a top surface of a glass substrate; forming an optical glue layer on a bottom surface of the glass substrate; utilizing a mold to form a 3D shape on the optical glue layer; exposing the optical glue layer having the 3D shape to solidify the optical glue layer having the 3D shape and combine the glass substrate having the reflecting layer and the optical glue layer having the 3D shape; removing the mold to form a small prism array; and dicing the small prism array to generate a plurality of small right angle prism mirrors.

Provided are image pickup apparatuses capable of measuring a distance in a wide range speedily and accurately, and control methods for the same. In an image pickup apparatus, an image pickup device and a light source are separately disposed in the optical paths branched by a partial reflecting mirror, and the distance from a subject to the image pickup device is calculated using a signal output by the image pickup device. In another image pickup apparatus, an image pickup device includes a light receiver and a light source, and the distance is calculated by a TOF method using a signal output by the light receiver. In another image pickup apparatus, the distance is calculated by a TOF method using a signal output by an image pickup device, and light emission of a light source is controlled on the basis of light emission conditions determined according to image pickup conditions.

Described examples include an optical apparatus having a first lens, a first optical element having a first aperture, a second lens, and a second optical element having a second aperture. The optical apparatus includes a third lens having a first portion to receive projected light from the first lens through the first aperture and to project the projected light onto a target. Also, the third lens has a second portion to receive reflected light reflected from the target and to provide the reflected light to the second lens through the second aperture.

Dual or multi-modulation display systems comprising a first modulator and a second modulator are disclosed. The first modulator may comprise a plurality of analog mirrors (e.g. MEMS array) and the second modulator may comprise a plurality of mirrors (e.g., DMD array). The display system may further comprise a controller that sends control signals to the first and second modulator. The display system may render highlight features within a projected image by affecting a time multiplexing scheme. In one embodiment, the first modulator may be switched on a sub-frame basis such that a desired proportion of the available light may be focused or directed onto the second modulator to form the highlight feature on a sub-frame rendering basis.

The present invention concerns a projection system for providing a distributed manifestation within an environment. The projection system includes a data generator for generating a plurality of data sets of associated state data and spatial coordinate data. The projection system also includes a projector in communication with the data generator for receiving the data sets. The projector is provided with a signal generating module for generating a plurality of electromagnetic signals, and a projecting module for projecting each of the electromagnetic signals towards a target location within the environment. The projection system also includes a plurality of receiving units distributed within the environment, each receiving unit having a receiver for receiving one of the electromagnetic signals when the receiving unit is positioned in the corresponding target location, each receiving unit being adapted to perform a change of state in response to the state data.

A structured light projector able to project structured light for the depth-perception of objects in a scene includes a laser light source, a first lens on an optical path of the laser beams to collimate the laser beams, and a reflecting mirror. The reflecting mirror imparts a certain or more than one pattern to the light, a target object in the scene reflecting some of the structured light. A structured light depth sensor using the structured light projector is also provided. A depth sensing accuracy of the structured light depth sensor is improved without being limited to an arrangement of light source dots.

A method of projecting imagery. In one embodiment, the method comprises projecting on a surface, from a projector device, a projected image of a matte displayed on a display device; adjusting the size, shape, position, orientation, or any combination thereof, of the projected image of the matte by adjusting the matte displayed on the display device; associating imagery content with the matte; and projecting the associated imagery in the projected image of the matte.