A device for immersive visual representations to a user of virtual scenes, inside a helmet enabling head movements, receives information related to positions of the user's eyes with respect to the helmet, determines visual generation parameters of the virtual scenes in function of that information, and provides those parameters for carrying out the immersive visual representations in the helmet based on those parameters. The device further determines the visual generation parameters so as to spatially adjust continuously the representations of the virtual scenes in function of the positions of the user's eyes. An individual head equipment comprises such a device, a helmet, at least one visual generation apparatus, and one or more sensor(s) providing the positions of the user's eyes.

A device for immersive visual representations to a user of virtual scenes, inside a helmet enabling head movements, receives information related to positions of the user's eyes with respect to the helmet, determines visual generation parameters of the virtual scenes in function of that information, and provides those parameters for carrying out the immersive visual representations in the helmet based on those parameters. The device further determines the visual generation parameters so as to spatially adjust continuously the representations of the virtual scenes in function of the positions of the user's eyes. An individual head equipment comprises such a device, a helmet, at least one visual generation apparatus, and one or more sensor(s) providing the positions of the user's eyes.

A system and method for displaying a 3D image with depths, which utilize at least one light signal generator to sequentially generate multiple light signals(S100) and at least one optical assembly to receive the multiple light signals from the at least one light signal generator, and project and scan the multiple light signals within a predetermined time period to display the 3D image in space(S200). Each pixel of the 3D image is displayed at a position by at least two of the multiple light signals to a viewer's eye, paths or extensions of the paths of the at least two light signals intersects at the position and at an angle associated with a depth of the pixel, and the predetermined time period is one eighteenth of a second. Accordingly, the advantages of simplified structure, a miniatured size, and a less costly building cost can be ensured.

The present invention provides a particle projection spatial imaging system, comprising a particle source for generating and accelerating a particle beam, a deflection coil set for deflecting the particle beam into a chronologically deployed dynamic 3D particle array, an exciting coil set for generating a magnetic field, and a scan control mechanism for controlling the particle source, the deflection coil set, and the particle exciting coil set. The particle projection spatial imaging system set forth by the present invention generates a 3D spatial image by generating and accelerating a particle beam by providing a particle source, deflecting the particle beam by using a deflection coil set to form a dynamic 3D particle array, and exciting particle bunches at corresponding pixel points in the array in a time-division manner by a particle exciting coil set to cause them to generate a radiation effect, and this particle projection spatial imaging system does not rely on a solid display medium, and can operate in the air and in vacuum. A 3D dynamic image can be generated by refreshing the scan control mechanism.

A holographic three dimensional imaging projecting medical apparatus is provided, including: a three dimensional imaging device, having a projecting mechanism and an image forming mechanism, the projecting mechanism including a housing and a projecting unit, the projecting unit projecting a plurality of projected images through the housing to the image forming mechanism, to form a three dimensional image within an image forming space of the image forming mechanism, the housing having a plurality of reflection portions, each of the plurality of reflection portions having a through hole and a plurality of light reflecting sheets disposed around the through hole, the projecting unit attached to the housing; a motion detector, detecting an operating gesture and generating a control signal corresponding to the operating gesture; and a processor, receiving the control signal and controlling the three dimensional image according to the control signal.

An autostereoscopic 3D display device is disclosed. The device includes a first light source and a second light source configured to alternately generate light and a light guide panel arranged to guide the light from the first light source in a first direction as a first light beam and the light from the second light source in a second direction as a second light beam. In the device, a stack of a plurality of holographic optical elements is configured to converge the first light beam and the second light beam from the light guide panel. The stack of the plurality of holographic optical elements may include at least one first holographic optical element and at least one second holographic optical element.

An autostereoscopic 3D display device is disclosed. The device includes a first light source and a second light source configured to alternately generate light and a light guide panel arranged to guide the light from the first light source in a first direction as a first light beam and the light from the second light source in a second direction as a second light beam. In the device, a stack of a plurality of holographic optical elements is configured to converge the first light beam and the second light beam from the light guide panel. The stack of the plurality of holographic optical elements may include at least one first holographic optical element and at least one second holographic optical element.

A storage vessel retains a quantity of a compound. The compound has molecules that emit photons in response to stimulation by one or more beams of energy. A beam emitter assembly has a plurality of beam emitters. Each beam emitter selectively and controllably emits directional beams of energy toward the storage vessel. A control and processing subsystem selectively actuates the beam emitters in groups of at least two beam emitters. For each group, the beam emitters in the group emit directional beams of energy that converge at a convergence point in the storage vessel. The converging energy beams induce molecules located at the convergence point to emit photons.

A storage vessel retains a quantity of a compound. The compound has molecules that emit photons in response to stimulation by one or more beams of energy. A beam emitter assembly has a plurality of beam emitters. Each beam emitter selectively and controllably emits directional beams of energy toward the storage vessel. A control and processing subsystem selectively actuates the beam emitters in groups of at least two beam emitters. For each group, the beam emitters in the group emit directional beams of energy that converge at a convergence point in the storage vessel. The converging energy beams induce molecules located at the convergence point to emit photons.

A three-dimensional display, wherein an area in which eyes of observers are to be positioned when the observers observe a three-dimensional image is predefined as a viewing area, the viewing area is defined to be circular and surround a light ray controller at a position farther upward than a top board of a table, a light ray group is emitted to an outer peripheral surface of the light ray controller from a light ray generator arranged below the top board, and the light ray controller is formed such that the plurality of light rays emitted to a plurality of portions that are different from one another and arranged in a ridge line direction are transmitted through the plurality of portions while respectively being diffused in a virtual plane, and is formed such that center lines of a plurality of transmitted diffused light rays pass through the viewing area.