39 results about "Holographic screen" patented technology

The utility model relates to the technical field of LED holographic screens, and discloses an LED latticed holographic screen which comprises a mounting base, four connecting plates are fixedly connected to the cambered surface of the surface of the mounting base, the four connecting plates are evenly distributed in an arc shape, a connecting groove is formed in the center of the top of the mounting base, LED lamp beads are arranged at the top of the mounting base, and the LED lamp beads are arranged in the connecting groove. A mounting mechanism for mounting LED lamp beads is arranged in the connecting groove, fixing pieces are fixedly connected to the two ends of the bottoms of the four connecting plates, mounting holes are formed in the surfaces of the fixing pieces, and a wire groove is formed in the bottom of the mounting base, is horizontally arranged and is fixedly connected to the bottoms of two connecting plates. Through the arrangement of the clamping block, the LED lamp bead can be installed more conveniently and more stably, when the LED lamp bead is damaged, the LED lamp bead can be rapidly disassembled through the shifting rod, and therefore the device is more convenient to use.

1. Name of the Design Product: Holographic Screen Unit Module. 2. Use of the Design Product: For assembling into an LED display screen. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The invention discloses a lamp and drive integrated holographic screen, and relates to the technical field of holographic screens, the lamp and drive integrated holographic screen comprises a control circuit board and a mounting rack, a reflecting film is arranged on the back of the mounting rack, optical fibers penetrate through the two sides of the mounting rack, light blocking racks are connected to the top and the bottom of the mounting rack, and supporting strips are connected to the backs of the light blocking racks. Through the arrangement of the reflecting film and the optical fiber, part of light rays emitted by the LED lamp beads are reflected into the optical fiber through the obliquely arranged reflecting film, the optical fiber is a sidelight optical fiber, the interior can transmit the light rays and can emit the light rays to the outside from the side wall, the space between the LED lamp beads is filled, gaps between display pixel points are small, and the display effect is improved. Therefore, the split feeling of the picture is reduced and the display effect is improved; the picture splitting feeling during near viewing is reduced, and the display effect is improved.

The embodiments of the present application disclose a device management method and apparatus, wherein the method comprises: obtaining the operation position of the user's target operation on a holographic screen; determining a target device located in the same space as the holographic screen based on the operation position; and managing the target device based on the target operation.

The application discloses a kind of multi-projection light field image synthesis method and system, it is related to image synthesis technical field, the method includes: obtaining the coordinates of projector array, the bottom of holographic screen and actual camera array;Determine multiple display restoration light;The display restoration light of each projector is carried out image synthesis, obtains multiple target images, and the holographic screen receives the projection of projector on target image and reconstructs three-dimensional light field;The display restoration light of a projector is carried out image synthesis process is: according to the column pixel of all display restoration light of projector corresponding target image determination column pixel synthesis process is: determining the ideal camera of display restoration light coordinates;According to the ideal camera coordinates and the coordinates of actual camera array determine the actual coordinates of two actual cameras;From according to display restoration light, active range and actual coordinates determine multiple actual imaging pixels.The application improves the accuracy of projection image synthesis and projection reconstruction light field display effect.

The present invention relates to the field of 3D display, and discloses a transmissive geometric holographic display system, comprising a display element, a transmissive geometric holographic screen, a supporting structure and a controller. The display element adopts at least one common projection device capable of projecting a two-dimensional picture, wherein the number of viewpoints of the transmissive geometric holographic display system is n, the average value of the diameter of the light-transmitting part of the outermost lens of the common projection device included in the display element is D decimeters, and the average value of the projection light source power of the common projection device included in the display element is P watts, which meets the requirements that the present invention adopts a common projection device to project a two-dimensional picture on a certain focal plane in space, and adjusts the focal depth of the projected picture by a controller to realize picture display with depth of field information, presenting a more realistic 3D effect, overcoming the limitation of shortage of 3D film sources, greatly reducing costs and improving practicality; and at the same time, providing an optimized design parameter configuration to achieve the purpose of taking both display effect and system reliability into consideration.

This invention provides a control method for a multifunctional intelligent mobile robot in the field of robotics, comprising: Step S1, the server receives a control command sent by a mobile terminal; Step S2, the control command is encrypted and sent to the robot; Step S3, the robot's control module decrypts the encrypted command to obtain the control command, and parses the control command to obtain the target address name, target address latitude and longitude, and control content; Step S4, the control module automatically plans a travel route based on the target address name and target address latitude and longitude; Step S5, the control module moves the robot to the target address based on the travel route; Step S6, the control module executes the control content, stores the executed data in a memory, and generates an execution report; Step S7, the control module displays the execution report through an LED holographic screen, encrypts the execution report, and sends it back to the mobile terminal. The advantages of this invention are: it greatly improves the convenience and security of robot control.

1. The name of the design product: holographic screen COB rental box. 2. The use of the design product: mainly used on LED holographic screen COB rental screen. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

1. The name of the design product: holographic screen. 2. The use of the design product: holographic imaging display for advertising. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention provides an automatic identification method for urban land use functions based on spatial entropy, relating to the field of urban planning. This method includes collecting geospatial information data of the target plot and case plot areas; vectorizing the geospatial information data; inputting the vectorized geospatial information data into a geographic information platform; calculating spatial entropy based on the geospatial information data of the case plot area; clustering the spatial entropy values ​​of the case plot area to form a spatial entropy value feature threshold library; delineating the land use boundaries of the target plot and identifying the plot function by comparing it with the spatial entropy value feature threshold library; calculating the window-to-wall ratio based on the street view data of the target plot to verify the land use function; outputting the target plot model information to a holographic screen for display; allowing planners to browse the model and select functions using gestures; and outputting the results as a land use map.

An apparatus and a method for manufacturing a large holographic screen are provided. The apparatus for manufacturing a holographic screen, according to an embodiment of the present invention, comprises: a first optical system for modulating and expanding a signal beam; an imaging lens for converging the signal beam expanded by the first optical system; a unidirectional diffuser, which scatters the converged signal beam only in the forward direction such that the scattered beam is incident on a holographic optical element surface; and a second optical system for causing a reference beam to be incident on the holographic optical element. Therefore, the unidirectional diffuser can be used as a reference optical element and combined with a photopolymer for recording without a gap, thereby enabling optical loss and an optical path to be reduced and the required time necessary for exposure to be shortened, and a large imaging lens for concentrating a signal beam can be replaced with an array-type optical element composed of small-sized lenses, thereby simplifying an apparatus and reducing manufacturing costs.

The utility model discloses a 3D holographic simulation electric fireplace, which relates to the technical field of simulation electric fireplaces and comprises a fireplace main body, guide grooves are arranged on the left side and the right side of the lower portion of the inner surface of the fireplace main body, sliding wheels are arranged in the guide grooves, and baffles are rotatably arranged on the opposite sides of the surfaces of the sliding wheels. A 3D holographic screen is arranged above the baffle, connecting pieces are fixedly installed on the rear side of the surface of the 3D holographic screen and the rear side of the surface of the baffle, pulling ropes are fixedly installed at the opposite ends of the connecting pieces, an electric telescopic rod is rotationally arranged on the surface of the connecting piece on the rear side of the 3D holographic screen, and a guide groove is arranged to be in an L shape. Compared with an existing common 3D holographic simulation electric fireplace, the 3D holographic simulation electric fireplace has the advantages that when the fireplace body does not need to be used, the fireplace body can be used as a storage box or a storage rack body, the practicability of the fireplace body is improved, and the use range and functionality of the fireplace body are expanded.

1. The name of the design product: holographic screen (lamp ball type). 2. The use of the design product: the product is a display. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of this design product: Profile (holographic screen). 2. Purpose of this design product: Profile used for splicing holographic screens. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The utility model discloses a 3D holographic display unmanned aerial vehicle. The 3D holographic display unmanned aerial vehicle comprises an unmanned aerial vehicle body, a two-axis mechanical arm and a 3D holographic screen, the two-axis mechanical arm comprises an upper arm, a lower arm, a screen connecting arm, a vertical driving bearing seat, a horizontal driving bearing seat, a vertical motor and a horizontal motor. The 3D holographic screen comprises a central screen, a right screen, a left screen, a right multi-connecting-rod device and a left multi-connecting-rod device. The 3D holographic screens of the 3D holographic unmanned aerial vehicle can accurately adjust the angles between different screens in a three-dimensional space through the multi-connecting-rod device, and different 3D holographic effects are achieved. The two-axis mechanical arm enables the 3D holographic screens to be smoothly adjusted up, down, left and right in all directions, it is guaranteed that the 3D holographic screens directly face audiences all the time, linkage of the multiple 3D holographic screens can be completed, interaction with the audiences can be ingeniously achieved, and the distance between the art and the audiences can be easily shortened.

The invention provides an electronic smart card device and method based on combination of holographic projection and an AI model, and relates to the technical field of holographic projection, and the electronic smart card device comprises a cylindrical sound box housing, a projection device, a sound box module, a central processing unit and a power supply module. The shell comprises a top cover, a projection cavity and a control cavity, the projection cavity is used for accommodating the holographic screen and the projection light source, and the control cavity is used for accommodating the loudspeaker and the microphone. The projection device is composed of a projection light source and a holographic screen, the sound box module comprises a loudspeaker, a microphone and an audio processing circuit, the central processing unit controls the projection device and the sound box module, and the power supply module provides power and manages a power supply state. By integrating holographic image projection and intelligent sound box functions, personalized interactive experience and high-quality sound playing are realized. The method has the advantages that the user experience is improved, the image projection effect is optimized, and the audio processing capability is enhanced.

The invention discloses a holographic interactive teaching system and an implementation method thereof, and belongs to the technical field of holographic interactive teaching. An image and sound of a teacher are collected at a holographic teaching end, the image of the teacher and holographic materials are fused and rendered to obtain a holographic fusion image, meanwhile, the holographic fusion image is transmitted to a holographic listening end at a far end through a network, and students at the holographic listening end see the holographic fusion image from a holographic screen and see teaching courseware from an auxiliary display unit; student pictures and sounds of the holographic lecture attending end are transmitted to the holographic lecture giving end in real time through a network to be displayed and played, the holographic lecture giving end and the holographic lecture attending end are in real-time communication through the network, teachers in a lecture classroom can interact with students in the lecture attending classroom in real time, and through cooperation of a holographic screen and a holographic black screen, the teaching effect is improved. Students in the lecture listening classrooms look like that teachers take classes in the lecture listening classrooms, the problems existing in cross-campus remote teaching of the teachers are solved, and the coverage and beneficiary of high-quality educational resources are expanded.

The utility model relates to the technical field of LEDs, in particular to a holographic screen which comprises an LED lamp panel and a mounting seat, the LED lamp panel comprises a light-emitting part and a mounting part, the light-emitting part is provided with a plurality of groups of LED chips in an array mode, the mounting part is connected to one side of the light-emitting part and is connected with a control chip, the periphery of the LED lamp panel is connected with a mounting strip, and the mounting strip is connected with the mounting seat. The LED lamp panel is wrapped by the mounting strip; a protection groove is formed in the mounting seat, a receding groove is formed in the protection groove facing the control chip, the control chip penetrates through the receding groove, a cover plate is arranged at the end, deviating from the receding groove, of the mounting seat, the mounting strip is connected to the end face, deviating from the receding groove, of the LED lamp panel, and a protection cover is arranged close to the protection groove. The holographic screen is convenient to maintain.

The present invention relates to the field of 3D displays, and discloses a super-large flexible holographic screen based on a super-large application scenario, which includes a number of flexible holographic projection units arranged in a matrix and bonded together. Both the super-large flexible holographic screen and the flexible holographic projection units are flexible and bendable structures. The flexible holographic projection unit is formed by bonding two layers of flexible elementary films with transparent glue. A single-layer flexible elementary film is composed of a number of alternately parallel arranged reflective layers and transparent layers. Compared with the existing high-precision optical glass processing, on the one hand, the material cost of the flexible elementary film is lower, and on the other hand, when processing it, it is not easy to break, and problems such as residual stress generated during the glass processing will not occur, greatly improving the yield rate, making it suitable for large-scale promotion. At the same time, the flexible holographic film can be made into a rollable screen, a curved screen, etc., with high flexibility, convenient storage when not in use, and small occupied space.

The utility model provides a computer water-cooling heat dissipation device, relates to the technical field of computer water-cooling heat dissipation, and aims to solve the problem that the size of a display screen of a CPU (central processing unit) water-cooling heat dissipation device is limited in the prior art, the computer water-cooling heat dissipation device comprises a water-cooling heat dissipation mechanism, and the water-cooling heat dissipation mechanism comprises a cold head, a water-cooling pipe, a cold row and a holographic screen fan. The cold head is connected with the cold row through the water-cooling pipe, a circulation loop is formed among the cold head, the water-cooling pipe and the cold row, and the holographic screen fan is installed on the water-cooling heat dissipation mechanism. According to the computer water-cooling heat dissipation device, the holographic screen fan is installed on the basis of an original water-cooling heat dissipation system, in the limited space of a desktop computer, on the premise that the maintenance convenience of the computer is not affected, on one hand, a display screen with a larger size can be provided for a CPU processor water-cooling heat dissipation device through the fan holographic screen, and on the other hand, the display screen can be provided for the computer water-cooling heat dissipation device; on the other hand, active heat dissipation can be provided for the mainboard through the fan.

The utility model relates to the field of a double-channel gate with a holographic screen swing door, and provides a double-channel gate with a holographic screen swing door, which comprises a case, two second rotating shafts are rotatably connected to the inner surfaces, close to the top and the bottom, of the case, and an output shaft of a first motor rotates to drive a transmission belt to rotate so as to drive three transmission wheels to rotate. The three first rotating shafts and the three leaf discs are driven to rotate, the three leaf discs drive the multiple fan blades and the multiple lamp strips to rotate, the multiple lamp strips emit light, by means of the phenomenon of persistence of vision, people can see dynamic and three-dimensional holographic images through the transparent protection plate, advertisements or prompt images can be displayed, the good advertising effect and the good propagation effect are achieved, and the effect is good. The protection frame and the transparent protection plate can prevent the fan blades rotating at a high speed from hurting people, people passing through the gate are protected, the machine box is rotationally connected with the swing door through the second rotating shaft, the machine box drives the second rotating shaft to rotate so as to drive the swing door to rotate, and the gate is opened and closed.

The invention relates to the technical field of projection imaging, in particular to 3D digital human holographic projection equipment capable of improving optical image definition, which comprises a holographic cabin, a photosensitive sensor, a driving device, a filter film, an adjusting assembly, a sliding plate, a fixing assembly and a fixing plate, the holographic cabin is composed of a cabin body and a holographic screen, and the holographic screen is fixedly installed in the cabin body. The photosensitive sensor is fixedly mounted on the cabin body; an adjusting cavity is formed in the cabin body, a driving device is installed at the top end of the adjusting cavity, the light filtering film and the driving device are coaxially installed, an adjusting assembly is arranged below the driving device, the sliding plate is slidably installed in the adjusting cavity, the driving device drives the sliding plate to vertically slide through the adjusting assembly, and the sliding plate pulls the light filtering film to move synchronously; the fixing assemblies are symmetrically arranged in the adjusting cavity, when the filter film stops moving, the driving device drives the fixing plate to fix the filter film through the fixing assemblies, the filter film is unfolded and rolled through sliding motion, and then the problem that imaging of the holographic cabin is affected due to the fact that external light is strong is avoided.

Disclosed in the present invention is a method for smart testing and automatic matching of a locally sourced material suited to severe cold climate in Northern China, comprising acquisition of basic site data, acquisition of a building case data set of a target site, construction of a standard model library of the target site, structural stability testing of standard building models, automatic matching of "building-material" climate suitability, and comparison and selection on a large holographic screen and output of building material information. In the method, by acquiring basic site data and data in an Inner Mongolia building case data set, constructing a standard model library of a target site, testing structural stability and climate suitability, and performing matching between building elements and building materials, thereby achieving suitability to the climate of Inner Mongolia.

The application relates to the field of 3D display, and discloses a full-solid-state holographic projector, which comprises an imaging module and a projection lens group arranged in the holographic projector; the imaging module is used for providing a plurality of non-coincident or mutually parallel equivalent image planes, the distance between any two adjacent equivalent image planes is L (mm), the distance between adjacent pixels on a single equivalent image plane is d (mm), and the following condition is met: L >= 2d; the projection lens group is used for projecting the image plane group formed by the imaging module to form a 3D projection picture with depth information in space. The scheme of introducing a plurality of equivalent image planes realizes the function of real 3D image projection. Since the equivalent image planes are distributed at different depths in space, the projected picture also has depth information, and the holographic screen can provide real 3D display content for users. In the working process of the application, no moving parts are needed, the reliability and picture quality are greatly improved, and the production cost and control difficulty are reduced.

The utility model discloses a holographic screen structure which comprises a holographic screen body, a rolling assembly and a transmission strip arranged on the rolling assembly in a rolling mode are arranged in the holographic screen body, and the rolling assembly drives the transmission strip to roll from top to bottom in the length direction of the holographic screen body so as to display images line by line. The holographic screen structure has the effects of realizing naked-eye 3D display pictures and improving the impression of a user.

1. Name of this design product: COB Holographic Screen (Engineering Version). 2. Application of this design: It is mainly used on large-area glass curtain walls, shop windows, and large indoor glass spaces, etc., and can be directly glued for fixation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: The enlarged view of section C is a partial enlarged view of section C in the 3D view; the enlarged view of section A is a partial enlarged view of section A in the front view; the enlarged view of section B is a partial enlarged view of section B in the rear view; the enlarged view of section F is a partial enlarged view of section F in the top view; the enlarged view of section D is an enlarged view of section D in the bottom view; the enlarged view of the left is an enlarged view of the left view; the enlarged view of the right is an enlarged view of the right view.

1. Name of the Design Product: Bluetooth Holographic Speaker. 2. Use of the Design Product: Mainly used to present images, pictures, etc. on the mobile phone in the form of holographic projection, and can be connected to the mobile phone Bluetooth to play music in the mobile phone and display the lyrics of the music on the holographic screen. 3. Design Key Points of the Design Product: Lies in the shape of the product. 4. Picture or Photo that Best Indicates the Design Key Points: Perspective View 1.

1. The name of the design product: holographic screen (3D fan). 2. The use of the design product: the product is a display. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model provides a multifunctional intelligent mobile robot in the technical field of robots. The multifunctional intelligent mobile robot comprises an omnidirectional mobile chassis; the shell is arranged at the top end of the omni-directional mobile chassis; the control module is arranged in the shell and is connected with the omni-directional mobile chassis; the power supply module is connected with the control module; the communication module is arranged in the shell and is connected with the control module; the USB interface is arranged on the outer surface of the shell and is connected with the control module; the LED holographic screen is arranged on the outer surface of the shell and is connected with the control module; the environment sensing module is connected with the control module; the voice interaction module is arranged on the outer surface of the shell and is connected with the control module; the heat dissipation module is connected with the control module; the lamp strip is arranged on the outer surface of the shell and is connected with the control module; and the scram button is arranged on the outer surface of the shell and is connected with the control module. The robot has the advantages that the adaptability, flexibility and functionality of the robot in use are greatly improved.

The utility model belongs to display screen processing technical field, concretely is a kind of holographic screen multi-angle packaging device, including work bench;The work bench middle part is equipped with placing groove, the work bench top is fixedly connected with multiple struts, the strut top is fixedly connected with top plate, the top plate top is fixedly connected with pneumatic cylinder, the pneumatic cylinder bottom is fixedly connected with transverse plate, the transverse plate is slidably connected with top plate, the transverse plate bottom is slidably connected with two support bars, the support bar is obliquely arranged, the support bar bottom is hinged with point glue gun, the support bar and point glue gun middle part slidably connected with bolt, the point glue gun top is connected with glue injection pipe, by setting the hinge structure between support bar and point glue gun, the angle of point glue gun is flexibly adjusted, to adapt to different shapes and sizes holographic screen, and the effect of bolt is to fasten support bar and point glue gun, ensure that point glue gun can keep stable during glue-dropping process, and it will not be loosened due to vibration or other external force.