The present technology relates to an information processing device and an information processing method capable of implementing video projection using a plurality of projection devices more reliably. There is provided an information processing device including a control unit configured to detect a manipulation of a user on a designator projected to a projection area of each of a plurality of projection devices and generate relative position information regarding relative positions of the plurality of projection areas based on a detection result. The present technology can be applied to, for example, a device controlling a plurality of projectors.

The present technology relates to an information processing device and an information processing method capable of implementing video projection using a plurality of projection devices more reliably. There is provided an information processing device including a control unit configured to detect a manipulation of a user on a designator projected to a projection area of each of a plurality of projection devices and generate relative position information regarding relative positions of the plurality of projection areas based on a detection result. The present technology can be applied to, for example, a device controlling a plurality of projectors.

The present disclosure, relating to the technical field of projection and display, provides a projection device. The projection device includes: a projecting unit, configured to emit a projection screen; a direction adjusting unit; a reflecting unit, fixed to the direction adjusting unit, wherein the direction adjusting unit is configured to adjust a reflection direction of the reflecting unit; and a height adjusting unit, wherein one end of the height adjusting unit is connected to the projecting unit and the other end of the height adjusting unit is connected to the direction adjusting unit, the height adjusting unit is configured to adjust a spacing between the reflecting unit and the projecting unit, and the reflecting unit is configured to reflect the projection screen emitted by the projecting unit. With such configurations according to the embodiments of the present disclosure, a height of the projection screen is adjusted by adjusting a spacing between the reflecting unit and the projecting unit.

A laser projection apparatus includes a laser source assembly, an optical engine and a projection lens. The laser source assembly includes a laser device and a combining lens group. The laser device includes a first laser-exit region emitting laser beams of first color, a second laser-exit region emitting laser beams of second color, and a third laser-exit region emitting laser beams of third color. The combining lens group includes a plurality of combining lenses and a beam spot adjustment structure. The beam spot adjustment structure is disposed in beam paths of the laser beams of first color and the laser beams of second color before being combined with the laser beams of third color, and the beam spot adjustment structure is configured to increase a divergence angle of at least one of the laser beams of first color or the laser beams of second color.

A heat dissipation module, including a fan and a heat dissipation fin set, is provided. The fan has an air outlet side and an air inlet side opposite to each other. The heat dissipation fin set is configured at the air outlet side and includes a base, first heat dissipation fins, and second heat dissipation fins. The base is divided into a first area and a second area along a direction of a rotation axis of the fan. The first area is located between the air outlet side and the second area. The first heat dissipation fins are connected to the base and located in the first area, and arranged at equal intervals in a configuration direction perpendicular to the direction of the rotation axis. The second heat dissipation fins are connected to the base and located in the second area, and arranged at equal intervals in the configuration direction.

An adjustment member fixing device includes an adjustment member fixing unit having a first state in which the adjustment member fixing unit has a width smaller than a gap on a lens barrel side so as to be inserted into the gap and a second state in which the adjustment member fixing unit has a width substantially identical to the gap so as to fix a movable adjustment member provided on the lens barrel side.

[Object] To provide a display apparatus that displays a projection image with an improved resolution.

[Solving Means] A display apparatus (10) includes a light-emitting device (13), a micro-lens array (5), and a scanning mechanism (54). The light-emitting device (13) includes a plurality of first light-emitting pixels and a plurality of second light-emitting pixels. The micro-lens array (5) includes a plurality of lenses (53) that projects the diffuse light rays emitted respectively from the first light-emitting pixel and the second light-emitting pixel, which have been made incident, to a first reaching position and a second reaching position located at desired different positions of a projection target object (3), respectively, the plurality of lenses being arranged at a pitch larger than a pixel pitch of the light-emitting pixels. The scanning mechanism (54) projects the diffuse light ray emitted from the first light-emitting pixel to the first reaching position via the micro-lens array (5) and then projects the diffuse light ray emitted from the second light-emitting pixel to the second reaching position via the micro-lens array (5).

A projector includes a main body and a projection lens. The main body includes a light source, liquid crystal panels that modulate light outputted from the light source, and a lens holder to and from which the projection lens is attachable and detachable. The projection lens projects the light modulated, and the lens holder includes a first lens holding mechanism and a second lens holding mechanism that hold the projection lens.

[Problem] An information processing apparatus, an information processing method, and a recording medium with which a user can recognize a boundary of a drivable range by feedback for a projection specification position by the user to facilitate determination of and search for a projection position are provided. [Solution] The information processing apparatus includes a controller configured to perform processing of outputting feedback indicating an effect corresponding to a boundary of a drivable region of a drive-type projector in a projection environment space in accordance with a state of a projection specification position specified by a user for the drivable region, the state being determined based on the drivable region and the projection specification position.

A projection device includes a drive housing that includes a protruding portion protruding from a central portion, a projection lens that includes a first rotation mechanism, and fans that draw in or discharge gas; the central portion includes a first A side surface that is provided in a first A direction X1 corresponding to one side in a first direction X and a second A side surface that is provided in a first B direction X2 corresponding to the other side in the first direction X; the protruding portion includes a first B side surface in the first A direction X1 and includes a second B side surface, which faces the projection lens, in the first B direction; and the fans face the second A side surface and the second B side surface.