58results about How to "Strong sense of presence" patented technology

The invention discloses a remote control system and a remote control method of a heading machine. The remote control system comprises a sensor arranged on the heading machine, an onboard detection system, an onboard controller, a data communication module and a heading machine remote monitoring platform, wherein the heading machine remote monitoring platform comprises a heading machine virtual control table, a database, a virtual reality system data interface, a heading machine control model module, a heading machine working condition parameter monitoring module and a heading machine virtual prototype platform. The system and the method solve the problems that the working environment of the heading machine in underground coal mine has abundant dust and high noise, an operator has difficulty in mastering the specific situation of the heading cross section, and controls blindly due to lacking of working condition data and pose information of the heading machine, thereby promoting the roadway drifting quality and the drifting safety. The remote control system has good interaction, good reality sense, reasonable design, strong practicability and high popularization and application values.

The invention relates to a flying cinema device, which can solve the problem in the prior art of poor watching experience due to a longer distance between audiences and a screen well. According to the main points of the technical scheme, the flying cinema device comprises the screen and a playing assembly corresponding to the screen. The flying cinema device is characterized by comprising a power system, a seat platform, a bearing base fixedly arranged in front of the screen, a platform and seats; the platform is connected with the bearing base by mounting a rotating shaft in a sleeved manner; the bearing base is fixedly arranged on the ground; a bearing rack is arranged at the back part which is far from the screen corresponding to the platform; the bottom of the bearing rack is fixedly arranged on the ground; a free end of the power system is fixedly connected with the lower surface of the platform; the upper surface of the platform is fixedly connected with a plurality of seat fixing frames; and each seat fixing frame is connected with the seat through the base platform. With the adoption of the flying cinema device provided by the invention, the audiences are close to the screen, so as to achieve strong presence and optimal watch experience.

The invention discloses a method for tracking teacher movements, which is based on the movement detection and combined with multi-channel fusion. The method comprises the following steps: step 1: detecting voice signals; step 2: detecting original mouse device signals; step 3: identifying the video picture movement face detection; step 4: fusing the detection results of the three channels from step 1 to step 3, identifying the position of the teacher, controlling the holder to turn to the moving teacher and zooming in and out; and step 5: circulating from step 1 to step 4 and tracking the teacher in a real-time manner. The method can be applied to not only a remote education intelligent classroom, but also a video conference, a video telephone and a network meeting, the method can capture the pictures of the on-site major person accurately in a real-time manner to transmit to participants on the remote end, so that the participants on the remote end can acquire a remote interactive experience with a higher presence.

The invention provides a display device and an LCD TV. The display device comprises a display panel which comprises a front substrate and a rear substrate. The front substrate and the rear substrate are parallel to each other, the front substrate is placed on the front side of the rear substrate, and a distance is reserved between the front substrate and the rear substrate. The display area of the front substrate and the display area of the rear substrate are both hook surfaces, and the area of the display area of the rear substrate is larger than the area of the display area of the front substrate. According to the display device, compensation to the display area of the rear substrate is achieved through the mode that the area of the display area of the rear substrate of the display panel is made to be larger than the area of the display area of the front substrate, so that the display area of the front substrate has larger area to receive the light of the display area of the rear substrate. Therefore, the problem of color cast on the edge of the display area of the front substrate is solved, the brightness of the edge of the display area of the front substrate is improved, and the purpose of improving an image effect is achieved.

The invention discloses a car frame training system based on force feedback. The car frame training system comprises a display screen, a force feedback steering wheel, a clutch, a foot brake, an accelerator and a gear shift lever. The car frame training system can be used for a driving beginner to learn the driving technique under a semi-physical simulation environment, is strong in sense of immediacy and low in cost; moreover, a force feedback function is added into the steering wheel control part in an auxiliary driving module, so that the driving beginner can quickly grasp the steering wheel control technology under the guide of the force feedback function; moreover, warning signals are added into a foot brake part and a clutch control part in the auxiliary driving module to remind the beginner that how to operate according to specific road conditions, so that the beginner can learn how to regulate the foot brake and the clutch and learn the cooperation between the foot brake and the clutch more quickly according to specific conditions.

The invention discloses an immersive virtual reality screen projection system, which includes a projection screen and projection equipment. The projection screen includes a top screen, a vertical screen and a ground screen sequentially connected from top to bottom, and the top screen, vertical screen and ground screen are jointly formed. A three-dimensional viewing space, the projection equipment includes a first projection group, a second projection group and a third projection group, the first projection group includes the first projector projected on the floor screen, and the second projection group includes the first Two projectors, the third projection group includes a third projector projecting on the ceiling. In the present invention, the top screen, the vertical screen and the ground screen are connected as an integrated screen, and the screen is bent or bent as a whole to form a three-dimensional and grand viewing space, and each area on the projection screen is correspondingly equipped with a corresponding The projection group is used to form a balanced and complete projection picture. When the audience walks or stands on the ground, they are surrounded by images, so that the audience has a strong sense of presence and immersion, effectively improving the audience's viewing experience.

The invention discloses an analog operation system and an analog operation method for a tower crane. The analog operation system comprises an analog unit (2) and a display unit (3), the analog unit (2) comprises a dynamics control module (4) and a graphics module (5), the dynamics control module (4) is used for acquiring operational instructions and dynamically controlling the tower crane and objects in a virtual scene according to the acquired operational instructions, the graphics module (5) is used for outputting dynamics control results, the display unit (3) is used for displaying the virtual scene and the dynamics control results, and dynamics control is realized by the aid of dynamics analog software Vortex. The analog operation system and the analog operation method for the tower crane are lifelike in effect and better in training effect.

The invention discloses an audio processing method, comprising that the convolution calculation is performed on an audio signal sequence filtered by time-domain head-related impulse response filtering processing and a first impulse response sequence h(n) to obtain audio signal data after the convolution calculation; the first impulse response sequence h(n) is characterized in that the duration experienced by the audio energy attenuation of 60dB is a first duration; and the range of values of the first duration is [360 milliseconds, 440 milliseconds]. The invention also discloses an audio processing device and solves the technical problem of how to re-process a three-dimensional sound so that the sound seems to come from a surrounding space to better simulate or reconstruct the effect of the sound coming from a specific real environment in the prior art.

A video / audio recording / reproducing apparatus (101) has an internally-mounted stereo microphones (21a,21b) and an external microphone connection terminal (32). The external microphone connection terminal (32) is connected to binaural microphones (3) to be attached to the ears of a recording user (300). In a case of collecting ambient sounds by use of the binaural microphones (3), the user switches the audio signals to be recorded in a recording medium from the audio signals obtained from the internally-mounted stereo microphones (21a,21b) to the binaural audio signals obtained from the binaural microphones (3). The recording user (300) attaches the binaural microphones (3(31a,31b)) to his ears to collect sounds around him including sounds generated from an imaged subject. A camera part (11) images the subject. The binaural audio signals, video signals obtained by imaging the subject, and binaural flag signals are recorded into the recording medium.

The invention discloses a 3D substation panoramic real-time control system based on a virtual simulation technology. A plurality of field data acquisition devices are respectively mounted on a plurality of actual substations. The output ends of the field data acquisition devices are connected with the input end of a control system. The output end of the control system is connected with the input end of a computer 3D modeling system. The output end of the computer 3D modeling system is connected with a 3D panoramic display in a dispatching hall. The field data acquisition devices are used for surveying and mapping the substation sites and collecting the relative positions, deviation angles and actual sizes of all equipment in the substations. The control system is used for adjusting the parameters of the relative positions, deviation angles and actual sizes and transmitting the adjusted real-time data to the computer 3D modeling system. The computer 3D modeling system carries out 3D modeling of the original equipment according to the collected and processed data and carrying out 360-degree panoramic display of the modeled equipment models.

This invention relates to a two-level synchronous control method for a multiplayer digital cinema play system. When receiving the instruction for playing assigned films, a synchronous controller sends the play instructions to the players via communication links, which start the display prepared process by storing medium fetch film data, decoding and filling the decode data into pre-displayed buffer zone so as to enter into the display preparation state to realize rough synchronization. The synchronous controller transmits synchronous trigger signals to the players via the synchronous transmission circuit, the players display the first image of the pre-display buffer zone after receiving the signals immediately and finish the successive preparation work from fetching of the medium and decoding of film data to fill the data into the zone to enter into the continuous playing state.

The invention discloses a vehicle-mounted automatic diagnostic system and a vehicle-mounted automatic diagnostic terminal. A gyroscope sensor and an AGPS chip are additionally arranged; by combining the gyroscope sensor and an acceleration sensor, full motion of a three-dimensional space can be tracked and captured well, and user use experience having a strong scene feeling and an accurate navigation system are provided for a final user, particularly, the sudden turning of vehicles can be judged more accurately. The AGPS chip can cooperate with a traditional GPS satellite by utilizing information of a mobile phone base station, so that the positioning speed is relatively high. According to the transmission method of the GPS positioning data provided by the invention, a GPS positioning data frame is converted into an integer frame, and differential encoding on the integer frame is carried out, so that a storage space of the GPS positioning data can be effectively reduced, the data throughput is reduced, and the data transmission velocity is greatly increased, thus obviously shortening the vehicle positioning time.

The invention relates to the technical field of audio processing, in particular to an audio processing technology, 3D virtual sound and applications of the 3D virtual sound. When a common 2.0 two-channel stereo audio file which is served as a signal to be identified enters a processor to be scanned, analyzed and identified by the processor; musical sound signals and noise signals are extracted, non-linear time matching between the signals to be identified and standard signals of a database is performed, then acoustic signals are continuously indentified; a sound model is built, and finally a sound source space is stretched and expanded, so that three-dimensional space information including length, width and height information is obtained, and the processed 2.0 two-channel stereo audio file after performing logic positioning on the time line is outputted. 3D audio effect (3D virtual sound) in the real sense can be realized through the audio processing technology. Compared with the common stereo sound, the 3D virtual sound adopts a mode that sound likes surrounding an auditor, the sound field produced by the mode not only remains the sound source direction sense of original signals, but also produces surrounding sense and expansion sense of sound.

The invention relates to an earphone effect 3D sound hearing ring. The earphone effect 3D sound hearing ring comprises a wearing lifting beam, two sound hearing ring bodies symmetrically installed at the two ends of the wearing lifting beam, and a sound hearing control module. The earphone effect 3D sound hearing ring is characterized in that each sound hearing ring body is an annular framework with the middle hollow, a plurality of loudspeakers are invisibly installed on the inner side of each annular framework, and all the loudspeakers are connected with the sound hearing control module and perform 3D playing under control of the sound hearing control module. According to the earphone effect 3D sound hearing ring, the loudspeaker array is invisibly installed on each sound hearing ring body and controlled through the sound hearing control module, on the full basis of the interference effect of the auricles on a sound field, a hearer can have remarkable true 3D sound sense, and the problem that when a pair of existing double sound channel earphones is used for 3D playing, the space sense is not obvious is solved. 3D sound obtained after multi-mode sound signals are converted can be played through the earphone effect 3D sound hearing ring, the earphone effect 3D sound hearing ring can also be used in combination with a 3D sound recording ring, the sensitivity to different human heads is further smaller than a sound recording mode in the meatus acusticus or other sound recording modes, and the earphone effect 3D sound hearing ring has pervasive compatibility for different human heads.

The invention relates to a stacking system and a stacking method for a steel plate. The stacking system comprises illumination subsystems, view indication subsystems, camera subsystems, a display subsystem, a position indicating point and a telescopic link, wherein integrated base bodies are arranged on a second section of telescopic tube and a first section of telescopic tube of the telescopic link respectively; and each integrated base body is provided with the illumination subsystems, the view indication subsystems and the camera subsystem. The stacking method comprises the steps: 1) the distance between the camera subsystem on the second section of telescopic tube of the telescopic link and a cross beam middle line of an electromagnetic lifter is half of the width of the lifted steel plate; 2) positions of a travelling crane and a lifting tool of the electromagnetic lifter are observed and adjusted through a cruciform goal aiming baseline, corner parts of the steel plate are superposed with a right angle of the cruciform goal aiming baseline; and 3) the steel plate is lifted and moved to above a target stacking zone, a right angle of the position indicating point is superposed with the right angle of the cruciform goal aiming baseline, and the steel plate is laid down. With the adoption of the system, planar accurate positioning of the steel plate during the stacking course can be realized, and the stacking efficiency and stacking quality are improved.

The invention discloses a method for tracing view field and manufacturing stereoscopic film by twice rendering. The method comprises the following steps: (1) using a spherical view field stereoscopic camera to trace and shoot image information observed by view field of human eyes, and rendering the shot image information through a computer; (2) using a digital projection device having the same optical characteristics as the camera to project an image to an actual projected screen position by same motion mode; (3) according to the principle of reversibility of an optical path, using a computer digital camera which has same optical characteristics as a field projector to record the image mapped on the actual screen position; and (4) in a real playhouse, projecting the image finally rendered in step (3) onto the field screen through the field projector by a screening device, and making audiences in the same motion mode when the spherical view field stereoscopic camera shoots, so that the effect of the image on the screen watched by the audiences in motion is same as the effect of the image watched by the audiences in real scene.

The invention provides a wireless camera and a video signal processing method thereof. The electric control lens is used for focusing and miniaturizing a scene picture; imaging is carried out by an image sensor, the image sensor converts an optical signal of a scene picture into an electric signal and sends the electric signal to the video signal processor for video coding and front-end special effect processing. After processing is completed, the video signal is divided into two paths, one path of the signal is sent to a video compressor to be compressed into a compression code in an H.265 format and then sent to a video output format selection switch, and the other path of video signal source code is directly sent to the video output format selection switch; and the video output format selection switch outputs a compression code or an original code to the 5G terminal module and sends the compression code or the original code to the background through a wireless port of the 5G terminal module. The video signal transmission of the camera based on the 5G technology is low in time delay and strong in sense of immediacy, and is very suitable for the transmission of aerial photographysignals and can be used for transmiting high-definition and ultra-high-definition audio and video signals.

The invention belongs to the technical field of film screens, and particularly relates to a double-curved-surface arc-shaped display screen. The double-curved-surface arc-shaped display screen comprises an arc-shaped skeleton and a plurality of LED display unit boards; the multiple LED display unit boards are detachably mounted on the inner surface or the outer surface of the arc-shaped skeleton,and the surfaces of the multiple LED display unit boards constitute the double-curved-surface arc-shaped display screen; the skeleton is spliced by a plurality of construction units, and the adjacentconstruction units are fixedly connected; and all the LED display unit boards are electrically connected with an external circuit. The double-curved-surface arc-shaped display screen is simple in structure and low in manufacturing cost, and has the advantages of broader perspective, ultra-high picture clarity, high fidelity sound quality and the like compared with an existing film screen with a single-curved-surface screen; and thus when audience watch a film, the immersion is full, the audience can feel the more intense immediacy sense and substitution sense, and thus the film watching experience of consumers is greatly improved.

The invention discloses a high-fidelity multipurpose loudspeaker box system which comprises a low-pitch loudspeaker, a full-frequency loudspeaker, a low-pitch box body, a middle-high-pitch loudspeaker, a low-pitch frequency divider and a loudspeaker box base. The low-pitch loudspeaker and the low-pitch frequency divider are connected through a circuit, the low-pitch frequency divider is arranged in the loudspeaker box base, and the low-pitch loudspeaker and the full-frequency loudspeaker are both connected with a binding post on the loudspeaker box base. The low-pitch box body is provided with a straight through cavity, one end of the cavity is open, the other end of the cavity is connected to the loudspeaker box base, and the low-pitch loudspeaker is arranged at the opening formed one end of the cavity. The middle-high-pitch loudspeaker comprises a semi-circular bent pipe and a conical pipe, one end of the semi-circular bent pipe is connected with the upper portion of the low-pitch loudspeaker, the other end of the semi-circular bent pipe is communicated with the opening formed in the smaller end of the conical pipe arranged horizontally, the conical pipe is located above the opened end of the low-pitch box body, and the full-frequency loudspeaker is arranged at the opening formed in the large end of the conical pipe. The high-fidelity multipurpose loudspeaker box system reduces the influence of environmental acoustic conditions on a listening effect and is suitable for usage in a home environment on which strict acoustic treatment is not conducted.

The invention provides a body-sensing camera pan-tilt holder capable of following the head movement of a human body and a control method. The body-sensing camera pan-tilt holder is composed of a transmitter part and a receiver part; the transmitter part includes a space angle sensor, a transmitter control circuit and a wireless transmitting circuit, wherein space angle sensor is connected with the transmitter control circuit, and the transmitter control circuit is connected with the wireless transmitting circuit; the receiver part includes a wireless receiving circuit, a pan-tilt holder control circuit, a servo driving circuit and a pan-tilt holder main body, wherein the wireless receiving circuit is connected with the pan-tilt holder control circuit, the pan-tilt holder control circuit is connected with the servo driving circuit, and the servo driving circuit is connected with the pan-tilt holder main body; the transmitter part mainly acquires the space angle of the head of the human body and transmits the angle information to the receiver part through the wireless transmitting circuit; and the receiver part mainly receives the space angle information of the head of the human body sent by the transmitter and applies the angle information to the control of the pan-tilt holder main body, so that the pan-tilt holder can completely follow the head movement of the human body.

The invention provides an annealed steel coil quick stacking device and an operation method thereof. The annealed steel coil quick stacking device comprises a steel coil hanger, an embedding sleeve, a pick-up system, an illumination system, a display, a steel coil stacking platform and a position indicating marker, wherein the steel coil hanger is provided with a guide cone; the embedding sleeve is arranged in the center of the lower end face of the guide cone; the pick-up system is concavely arranged in the center of the lower surface of the embedding sleeve; the illumination system is arranged on the lower surface of the embedding sleeve and is close to the pick-up system; the display is electrically connected with the pick-up system and is used for displaying images shot by the pick-upsystem and visual field mark center points of the pick-up system; a forced draught fan is arranged on the steel coil stacking platform; and the position indicating marker is arranged in the center ofthe upper surface of the forced draught fan, wherein the center line of the embedding sleeve coincides with the center line of the guide cone. The annealed steel coil quick stacking device has simplestructure and low investment cost and can effectively improve the stacking efficiency and equality.

Provided are a data transmission device, a method for transmitting data, an audio-video environment control device, a method for controlling audio-visual environment, an audio-video environment control system, wherein peripheral devices can be appropriately controlled in accordance with the layout of the peripheral devices in an actual audio-visual environment so that a high realistic sensation is obtained. A data reception device (20) receives a predetermined video data and / or audio data, identification information indicative of an arrangement pattern of peripheral devices (lighting devices) arranged in a virtual audio-visual environment space, lighting control data corresponding to the peripheral devices arranged in the virtual audio-visual environment space. A lighting dimming data generation unit generates driving control data for driving and controlling an actual lighting device (32) in accordance with identification information, lighting control data, and arrangement information of the lighting device (32) in an actual audio-visual environment space, wherein the arrangement information is acquired from a lighting arrangement information memory unit (25).

The invention relates to a protective frame for digital equipment with improved sound effects and impact protection capabilities, characterized in that it includes a conductive device frame body (11) and a folding or bending bracket (12) that also serves as a sound box device, and digital equipment (99) Fixed in the frame body (11) of the conduction device, the folding or bending bracket (12) of the sound box device plays a role in supporting the digital device (99); the frame body (11) of the conduction device is a hollow structure and the digital device (99) The emitted sound is guided into the folded or bent bracket (12) which also has a speaker device according to the set sound signal channel to obtain a closed or semi-closed speaker stereo effect; the hollow structure also improves the impact protection ability for the conduction device frame body (11) .

The invention is applicable to the technical field of virtual reality, and discloses a virtual reality device with panoramic photographing function. The virtual reality device comprises a virtual reality device body and a headband connected to the virtual reality device body; The virtual reality device body and the headband are provided with cameras facing in different directions, and the virtualreality device further comprises a processing module for splicing imaging pictures of each of the cameras into virtual reality scenes. The invention provides a virtual reality device with panoramic image capturing function, through the processing module, the images captured by each camera can be seamlessly spliced to form a virtual reality scene, thus forming a brand-new video communication mode,enabling two or more parties to immerse themselves in the same seamless connection scene, enhancing the sense of reality and the sense of presence when chatting, and being more real, more realistic and stronger in presence.

The invention discloses a mobile phone large screen displaying device and an aerial photography system. A pair of glasses includes a shade which can be worn on a head, and a Fresnel lens and a mobile phone bracket arranged in the shade. The mobile phone bracket is used to fix a mobile phone and keep the relative position of the mobile phone to the Fresnel lens. The space between the Fresnel lens and the mobile phone is unshielded. According to the invention, only the flat Fresnel lens is arranged in front of the mobile phone. Through wearing the device on the head of a user, the user can obtain high-resolution highly vivid images. With the Fresnel lens, the view angle can be enlarged. The device has potential for application to fields such as aerial photography and large screen office working.

In the information terminal device (10), it includes a main body casing (50), a rectangular image display part (60) arranged in front of the main body casing (50), and a specified Arranging a plurality of sound output parts (81, 82) arranged angularly in any shape of rectangle, ellipse, or rail. Wherein, a plurality of sound output parts (81, 82) are mutually line-symmetrically arranged with respect to the center line (61) of the image display part (60), and the long sides or major diameters of the external shapes of each sound output parts (81, 82) are close to each other. The image display part (60) is disposed on either one of long sides or short sides facing each other.