Abstract: A projection system 1 includes a projector 3_1 that updates an image Img_1 by vertical scanning of an internal liquid crystal panel and shifts a projection position of the image Img_1, and a projector 3_2 that updates an image Img_2 by vertical scanning of an internal liquid crystal panel and shifts a projection position of the image Img_2. When there is an overlapping region in which the image Img_1 projected by the projector 3_1 and the image Img_2 projected by the projector 3_2 overlap each other along a direction parallel to a direction of the vertical scanning direction, the vertical scanning direction of the liquid crystal panel of the projector 3_1 and the vertical scanning direction of the liquid crystal panel of the projector 3_2 are set to be opposite to each other.

Abstract: A projection calibration method includes transmitting a calibration command to an edge node by a center node, acquiring a projection image of a test pattern image by the edge node, performing image processing on the acquired projection n image by the edge node based on the calibration command to get a calibration parameter data, transmitting the calibration parameter data to the center node by the edge node, and outputting a calibration result to a projector by the center node based on the calibration parameter data.

Abstract: Light projection systems using white light illumination. One embodiment provides a projection system using white light illumination. The projection system includes an illumination assembly configured to receive a white light input. A prism is configured to separate the white light input into color light inputs, redirect the color light inputs to respective modulators, and combine modulated color light inputs from the respective modulators into a white light output. An optical filter is configured to spatially Fourier transform the white light output to generate a filtered white light output. A projection lens assembly is configured to project the filtered white light output.

Abstract: An electronic apparatus is disclosed.

Abstract: An optical path changing device includes: an optical member, a first support member that supports the optical member; a second support member that supports the first support member swingably about a first swing center line; a base member that supports the second support member swingably about a second swing center line; a first actuator that is disposed on one side with respect to the first swing center line and swings the first support member; and a second actuator that is disposed on one side with respect to the second swing center line and swings the second support member. The first swing center line is shifted toward the first actuator with respect to a shape center of the optical member at between the shape center of the optical member and the first actuator, or the second swing center line is shifted toward the second actuator with respect to the shape center of the optical member at between the shape center of the optical member and the second actuator.

Abstract: A display assembly suitable for use with a virtual or augmented reality headset is described and includes the following: an input coupling grating; a scanning mirror configured to rotate about two or more different axes of rotation; an optical element; and optical fibers, each of which have a light emitting end disposed between the input coupling grating and the scanning mirror and oriented such that light emitted from the light emitting end is refracted through at least a portion of the optical element, reflected off the scanning mirror, refracted back through the optical element and into the input coupling grating. The scanning mirror can be built upon a MEMS type architecture.

Abstract: A display system includes a control device configured to control a first lighting device, a second lighting device, and a projector. The control device executes an operation of determining a correction value indicating a degree of contrast correction of the projector based on first position information indicating a first position at which the first lighting device is disposed, second position information indicating a second position at which the second lighting device is disposed, predetermined position information indicating a predetermined position onto which the projector projects a projection image, a first maximum light amount indicating a maximum value of a light amount of the first lighting device, a second maximum light amount indicating a maximum value of a light amount of the second lighting device, and a dimming level.

Abstract: A projector includes a light source, a Fresnel lens group parallelizing the beam output from the light source, a light-incident-side polarizer transmitting the beam having exited out of the Fresnel lens group, a light modulator modulating the beam having passed through the light-incident-side polarizer to form a projection image, a light-exiting-side polarizer transmitting the beam modulated by the light modulator, and a projection lens projecting the beam having passed through the light-exiting-side polarizer. The Fresnel lens group includes a first Fresnel lens having positive power and disposed at a position closest to the light source in the Fresnel lens group, and a second Fresnel lens having positive power and disposed at a position shifted from the first Fresnel lens toward the light modulator. The light incident surface of the first Fresnel lens has a Fresnel surface. The light exiting surface of the first Fresnel lens has no Fresnel surface.

Abstract: Speckle-modulated line illumination devices and associated methods are described that enable acquisition of images with high resolution and high speed simultaneously. One example speckle-modulated line illumination device includes a spatially coherent light source having a speckled output, a collimation lens positioned to receive the output of the spatially coherent light source, a cylindrical lens positioned to receive a collimated light produced by the collimation lens, and a diffuser positioned to receive a focused line illumination from the cylindrical lens, and to impart random phase variations in light that is output therefrom. The diffuser is coupled to a movement stage to impart rotational or translational movements to the diffusor as a function of time. Implementations of the disclosed technology can be used to develop reflectance confocal microscopy devices and scattering-based light sheet microscopy devices.

Abstract: A projection device includes a light source, spatial light modulator, a control unit, and a shield. The spatial light modulator has a modulation part that modulates the phase of light emitted from the light source. The control unit divides the modulation part of the spatial light modulator into at least two regions and sets phase images of the target image in these regions. The light source is controlled to emit light onto the modulation parts with the phase images. The shield allows light from the image region for the desired image to pass through as projection light while blocking light from an unnecessary region, including ghost images.

Abstract: A lensed display system includes a projector configured to project an image. The lensed display system includes a lens formed of a glass or crystalline material. The lens includes a first surface, wherein at least a portion of the first surface includes a coating that is configured to display the projected image. The lens includes a second surface, wherein the second surface comprises a transparent curved surface that is configured to face toward a user and to enable the user to view the image projected onto the coating through the transparent curved surface.

Abstract: An electronic device includes: a transmission unit configured to transmit to a device management server, position information indicating a position where the electronic device is installed, unique information uniquely assigned to the electronic device, and setting information set to the electronic device; a first reception unit configured to receive from the device management server, setting information set to the electronic device, based on the position information and the unique information; and a control unit configured to perform a setting of the electronic device based on the received setting information.

Abstract: A multi-aperture projector for projecting an optical image of a transmitted light image onto a spaced-apart projection surface has: at least one light source which, in an on state, causes at least one transmitted light image to project an optical image onto the projection surface; wherein the at least one transmitted light image is divided into a number of rectangular regions; a multi-aperture objective and a beam deflection element arrangement having a number of beam deflection elements for deflecting the light beams incident through the at least one transmitted light image, wherein the multi-aperture objective and the beam deflection arrangement form an arrangement of optical channels, wherein the beam deflection elements are arranged such that they are each tilted about a tilt axis.

Abstract: An illumination device according to an embodiment of the present disclosure includes: a light source section; and a control unit. The light source section includes one or more solid-state light sources. The control unit controls driving of the one or more solid-state light sources to control luminance for a predetermined time after activation of the light source section.

Abstract: A waveguide device includes a first diffractive element, a second diffractive element, a third diffractive element, and a waveguide element. The first diffractive element is configured to diffract light of a wavelength to propagate with a diffraction angle. The second diffractive element is configured to diffract the light of the wavelength to propagate with the diffraction angle. The third diffractive element is configured to diffract the light of the wavelength to propagate with the diffraction angle. The waveguide element is configured to guide the light of the wavelength to propagate from the first diffractive element to the second diffractive element and the third diffractive element. Diffraction efficiencies of the second diffractive element and the third diffractive element are different.

Abstract: A projector, such as a toy projector, in which stored content or information is delivered both as digital images and digital audio content from an interchangeable character which is interchangeably attached to the projector. The stored content or information can be specific to the content and/or theme being displayed and is delivered through an electrical connection to the projector.

Abstract: A projection method includes generating projection size information including at least one of first size information representing a distance between two dots included in a first projection image displayed on a projection surface, and second size information representing an area of a first image included in the first projection image based on information output from a sensor, and displaying a second projection image including an image showing a numerical value represented by the projection size information on the projection surface.

Abstract: A vibration generation device includes: a base configured to transmit vibration to an object; a pendulum supported by the base swingably around a rotation axis; a first induction unit including a magnet, provided at an opposite-side end portion of the pendulum from the rotation axis, and configured to induce swing of the pendulum; and a first driving unit including a coil and configured to apply a driving force to the pendulum. The coil of the first driving unit faces the magnet of the first induction unit in a non-contact manner.

Abstract: A projection system is configured to project first and second projection images, with end portions of the first and second projection images overlapping. The projection system includes a first projector projecting the first projection image and a second projector projecting the second projection image. The first projector acquires first projection image data and a first control signal, the first projection image data representing the first projection image that is a clipping of an original projection image, the first control signal being linked to the first projection image data and being for controlling driving of the first projector. The second projector acquires second projection image data and a second control signal, the second projection image data representing the second projection image that is a clipping of the original projection image, the second control signal being linked to the second projection image data and being for controlling driving of the second projector.

Abstract: A fluorescence emitting element includes: a wavelength conversion member that is plate-shaped and includes a fluorescent material, the wavelength conversion member including a first principal surface and a second principal surface that is on an opposite side from the first principal surface; and a metal film bonded to at least one surface out of the first principal surface and the second principal surface. In a plan view of the wavelength conversion member, the wavelength conversion member includes a region that does not overlap the metal film, and the metal film includes a bonding surface that is bonded to the at least one surface, and an exposed surface on an opposite side from the bonding surface.