36results about How to "Change viewing angle" patented technology

The invention relates to a method and device for observing photoacoustic imaging in a single-array element and multi-angle mode based on compressive sensing, belonging to the technical field of photoacoustic imaging and aiming at solving the problems of serious artefact, deformed images, high hardware cost and poor lateral resolution of images in the existing photoacoustic technology for imaging biological tissues. The method comprises the following steps: leading a pulsed laser to emit pulsed laser beams, irradiating the pulsed laser beams upon the biological tissues by using an optical maskto generate photoacoustic signals, observing and acquiring the photoacoustic signals synchronously by using two angled single array element ultrasonic probes, amplifying the photoacoustic signals, sending the photoacoustic signals to an A / D (analog to digital) converter, sampling uniformly, inputting acquired photoacoustic image data into a computer by using an FPGA (field programmable gate array), and reconstructing and fusing photoacoustic images by using the computer. Due to the adoption of a hardware platform and a processing mechanism which is rapidly constructed based on the compressivesensing algorithm by using the single array element ultrasonic probes to acquire the photoacoustic signals in parallel, the high resolution of the images are ensured on the premise that the sampled data are reduced and the acquiring time is shortened. The device for imaging is easy to operate.

The invention provides a visual angle setting method for setting the visual angle of a liquid crystal display screen of electronic equipment. The method comprises the following steps of: acquiring a face identification reference; receiving a preset visual angle of the liquid crystal display screen; identifying a face matched with the face identification reference in a current image shot by a pickup device of the electronic equipment; calculating the angle between a connecting line of the central point of double eyes of the identified face and the central point of the liquid crystal display screen and the vertical line of the liquid crystal display screen; calculating the deflecting angle of liquid crystal molecules of the liquid crystal display screen according to the angle and the received visual angle; calculating a voltage value applied to the liquid crystal molecules of the liquid crystal display screen according to the deflecting angle; and applying voltage to buses at two sides of the liquid crystal display screen according to the voltage value so as to change the visual angle of the liquid crystal display screen. The invention also provides a visual angle setting system. According to the method and the system disclosed by the invention, the visual angle of the liquid crystal display screen can be set according to the personalized requirements of a user.

The invention discloses a stage capable of changing a stage region and a stage state by rotation of an auditorium, which comprises a rail support frame, a center stage region, at least one set of auditorium assembly and a driving device, wherein the rail support frame is arranged on a stage base and a stage bin is formed between the rail support frame and the stage base; the center stage region is positioned at the middle part of the rail support frame; each auditorium assembly is arranged on the rail support frame, faces the center stage region and can rotate around the center stage region; and the driving device supports each auditorium assembly and drives each auditorium assembly to rotate around the center stage region. The stage capable of changing the stage region and the stage state by rotation of the auditorium, which is disclosed by the invention, adopts the modular design, has a simple structure and is convenient to assemble and disassemble; and each auditorium assembly can rotate around the center stage region in the range of 0 to 360 degrees, so that a viewing angle of audiences can be changed and a viewing effect is improved.

The invention provides a live broadcast system capable of obtaining high definition images immediately based on voice control. The system comprises an upper computer side, a lower computer side, a server side and a user side. The upper computer side comprises a mobile bearing device on which a holder, an image collection device and a first transmission module are set. The image collection device comprises one or more camera modules. The lower computer side comprises a remote control device, a second transmission module and a voice module. According to the system provided by the invention, twocameras of each camera module output image data and video data with approximately consistent visual angles and time corresponding relationships. Dual-data stream output satisfies a demand of a user for photographing the high definition images when the user watches a video. When live broadcast is watched, the user sends voice or non-voice control information, a server obtains corresponding voices and forwards the voices to a ground worker, and the ground worker is instructed to carry out corresponding remote control operation to control the mobile bearing device and / or the holder, so watching visual angles of the user are changed, and the entertainment interactivity of the user is improved.

The invention discloses an anti-counterfeiting method based on structural color brightness change. Dispersion liquid containing monodisperse nano-microspheres is printed on paper by utilizing an ink-jet printer, and the nano-microspheres are arrayed and assembled on the paper to obtain short-range order. According to a microstructure of long-range disorder, due to the interaction effect of the structure and light, the bright structural color can be observed, the display of patterns is realized, an observation angle is changed, the brightness of the structural color is reduced, and patterns or quick response matrix codes are hidden. The method is simple and convenient, external stimulation is not needed, and anti-counterfeiting can be quickly realized.

The invention provides a live broadcast system capable of obtaining high definition images immediately based on automatic control. The system comprises an upper computer side, a lower computer side, aserver side and a user side. The upper computer side comprises a mobile bearing device. A holder, an image collection device connected with the holder and a first transmission module are set on the mobile bearing device. The image collection device comprises one or more camera modules. According to the system provided by the invention, two cameras of each camera module output image data and videodata with approximately consistent visual angles and time corresponding relationships. A dual-data stream output mode satisfies a demand of a user for photographing the high definition images when the user watches a video. Through application of the technology provided by the invention, the user can watch a live broadcast video and photograph. When the user watches live broadcast, the user can send a control instruction through the server side to control the mobile bearing device and / or the holder, so watching visual angles of the user are changed, and the entertainment interactivity of the user is improved.

The invention relates to the technical field of bee biological study and observation equipment, and particularly relates to a bee behavior observer and a bee observation system. According to the bee behavior observer, a rack can be inserted into and extracted from a beehive, at least one observation device is arranged in the rack in a rotatable manner; a cradle head is arranged on the rack in a rotatable manner; a second camera and a first camera are sequentially arranged on the cradle head from top to bottom, and are driven by the cradle head to rotate; and an infrared illumination system is arranged in the rack in a rotatable manner. The bee behavior observer is simple in structure and convenient to use, can be used for flexibly tracking behaviors of bees and effectively all-dimensionally observing the real living state of bees in the beehive. The main controller of the bee observation system is electrically connected with the bee behavior observer, so that the observing angle of the observation device in the bee behavior observer can be effectively regulated and controlled, the living condition of bees can be observed in real time, and images can be saved according to requirements.

The embodiment of the invention discloses an operating room recording system and method, and an operating room. The system includes at least one recording device, a display module, and a control module. The recording device is configured to record an operating room environment, and generate a three-dimensional video signal. The communication module is configured to send a three-dimensional video signal to a user side and receive a feedback signal from the user side. The control module is coupled to the recording device and the communication module, and is used for adjusting dynamic recording parameters of the recording device based on the feedback signal. Through the embodiment of the present invention, the system can improve the recording flexibility and convenience of the operating room.

The invention discloses a visual angle adjustment device, which comprises a crystal layer, a control unit, and an absorption unit, wherein the crystal layer installed on the external surface of the display device is composed of acousto-optic crystal units in pre-determined matrix array and the acousto-optic crystal unit is made from acousto-optic material, and the pre-determined matrix array is corresponding to RGB matrix of the pixel of the display device; the control unit installed on one side of the crystal layer is employed to produce ultrasonic wave, control the frequency of the produced ultrasonic wave, and impose the ultrasonic wave on the crystal layer; the absorption unit installed on the other side of the layer crystal is employed to absorb the ultrasonic wave. The invention also discloses a display device and a visual angle adjustment method. This invention can adjust the visible angle of the display device conveniently and flexibly at all times and places.

The invention relates to a laser-machining head (1) comprising the following: a focusing device (2) for focusing a machining laser beam (3) onto a workpiece (4) to be machined which is arranged in a machining beam path (14) of the machining laser beam (3); an optical imaging device (5) which comprises a detector (6) and which is designed to form a monitoring beam (8) from a machining region (9) ofthe workpiece (4) onto the detector (6) along a monitoring beam path (10) that passes through the focusing device (2); and a beam splitter (13) for separating the monitoring beam path (10) of the monitoring beam (8) from the machining beam path (14) of the machining laser beam (3). The laser-machining head (1) has an optical imaging device (5) optical imaging unit (16) arranged in the monitoringbeam path (10) between the beam splitter (13) and the detector (6) and a diaphragm (15) which is arranged between the optical imaging unit (16) and the detector (6) and which is spaced from the detector (6). The optical imaging unit (16) is designed to generate an image (15a) of the diaphragm (15) in the machining beam path (14) of the machining laser beam (3) between the beam splitter (13) and the workpiece (4). The invention also relates to a laser-machining machine (20) comprising such a laser-machining head (1) and a beam source (21) for generating the machining laser beam (3).

The invention relates to a display assembling structure of refrigerator, which is the display assembling structure of refrigerator at the front of refrigerator door, comprising accommodating part formed at the front of refrigerator door, which can accommodate the display and behind which there is a position deciding heave at least; connecting bar structure, of which the back end is connected with the inner of said accommodating part and the frontal end is connected with said display so that said display can be drawn towards easily; inserting slot, which is formed at the back of said display for inserting said position deciding heave under the status that the display is accommodated in the accommodating part; thereinto, the position deciding heave is taper shape with larger diameter of the back end. In the invention, the display can be drawn toward at the front of refrigerator door and the display is maintained regular position all the time when it is assembled; by the structure, visual angle of display can be changed actually and heat radiating of the display is run efficiently.

The invention relates to a method and device for observing photoacoustic imaging in a single-array element and multi-angle mode based on compressive sensing, belonging to the technical field of photoacoustic imaging and aiming at solving the problems of serious artefact, deformed images, high hardware cost and poor lateral resolution of images in the existing photoacoustic technology for imaging biological tissues. The method comprises the following steps: leading a pulsed laser to emit pulsed laser beams, irradiating the pulsed laser beams upon the biological tissues by using an optical mask to generate photoacoustic signals, observing and acquiring the photoacoustic signals synchronously by using two angled single array element ultrasonic probes, amplifying the photoacoustic signals, sending the photoacoustic signals to an A / D (analog to digital) converter, sampling uniformly, inputting acquired photoacoustic image data into a computer by using an FPGA (field programmable gate array), and reconstructing and fusing photoacoustic images by using the computer. Due to the adoption of a hardware platform and a processing mechanism which is rapidly constructed based on the compressive sensing algorithm by using the single array element ultrasonic probes to acquire the photoacoustic signals in parallel, the high resolution of the images are ensured on the premise that the sampled data are reduced and the acquiring time is shortened. The device for imaging is easy to operate.

The invention relates to a multi-angle rotating jewelry display device, comprising a display box for placing jewelry and a bracket for supporting the display box; the bracket comprises an adjustable leg and an iron ball fixedly connected with the upper end of the adjustable leg; the bottom of the display box is provided with a receiving groove; a slide plate is fixedly arranged in the receiving groove; the slide plate has an arc surface which is matched with the iron ball; the arc-shaped surface is provided with a groove; a magnet for absorb iron balls is fixedly arrange in the groove; but also spherical balls; the arc surface is provided with a large semicircular hole for receiving balls; the iron ball does not contact the arc surface. By adjusting the height of the adjustable foot adjusting device, the device can reach a height the makes the consumer comfortable; by rotating the display box to change the viewing angle of consumers, the operation is simple; the display box with different angles is fixed on the bracket through the iron ball absorbed by the magnet, the structure is simple and the cost is low; as the iron ball doe not contact with the arc surface but contacts with the magnet, the friction between the iron ball and the slide plate is small, the noise is small, the service life is long, and the reliability is high.

The invention discloses an indoor assembled stand with an angle adjusting function, and belongs to the technical field of stands. The indoor assembled stand comprises a base, an inclined plate, a mounting plate and a convex plate, wherein an arc-shaped sliding groove is formed inside the base, and the mounting plate is slidably mounted inside the arc-shaped sliding groove through a second brake trundle. According to the stand, the inclined plate, the protruding plate and the mounting plate are mounted, when the stand needs to be used, a side plate is inserted into a positioning groove formed inside the mounting plate, an inserting plate inside a side block is pushed into a clamping shell, therefore the inclined plate and the mounting plate are fixed, one end of an inserting column is inserted into the clamping shell, one end of a positioning hinge pin is driven to be clamped and embedded into the inserting column, so as to realize installation of a guardrail, the stand is designed to be assembled in a detachable mode, the problems that screwing is performed through screws, bolts and the like, disassembly is inconvenient, carrying is troublesome, and the stand does not need to be used are solved, occupied indoor space is small, and an utilization rate of indoor space is increased.

The invention relates to a motorless full-automatic sun tracer. The motorless full-automatic sun tracer comprises heat-collecting tube shading controllers, heat-collecting tubes, conduits, drive cylinders and an adjustable solar energy utilizing equipment installation and control frame. According to the invention, the heat-collecting tubes are controlled by the heat-collecting tube shading controllers to absorb solar energy and heat enclosed gas in the heat-collecting tubes, expansion of the gas in the heat-collecting tubes is caused, and the expanding gas is led into the drive cylinders through the conduits to drive the cylinders to move, so that the adjustable solar energy utilizing equipment installation and control frame is driven to trace the incidence angle of sun light, and the highly effective utilization of the solar energy is realized. The motorless full-automatic sun tracer has the advantages that a motor and a control circuit are not needed, the structure is simple, the cost is low, the tracing effect is good, and the service lifetime is long.

The invention discloses a novel electronic whiteboard. The novel electronic whiteboard comprises a support base plate, an electronic whiteboard body and a belt; the two ends of the support base plateis welded on two support beams; a hydraulic cylinder is mounted in the middle position of the upper end of the support base plate; the upper end of the hydraulic cylinder is in hydraulic transmissionconnection with a hydraulic support rod; a fixed base is mounted at the upper end of the hydraulic support rod; the electronic whiteboard body comprises a frame and a panel body; the panel body is mounted in the frame; a suspension board is mounted at the upper end of the electronic whiteboard body; a projector mounting base is mounted at a suspension end of the suspension board; a mounting frameis arranged at the back end of the electronic whiteboard body; a rotating motor is mounted on the back side surface of the mounting frame; a driving wheel is mounted at the bottom rotating shaft end of the rotating motor; and bearing bases are symmetrically mounted on the bottom surface of the mounting frame and at the upper and lower ends of the top surface of the fixed base. The novel electronicwhiteboard has no need to be installed on a wall, can realize height adjustment and horizontal rotation adjustment, and is high in flexibility.

The invention discloses a television wall mount bracket with convenience in angle adjustment as well as manufacturing and using methods of the television wall mount bracket. The television wall mountbracket comprises a face plate, a fixing strip, a first motor, casing pipes, first clamp blocks, connecting rotating shafts, a belt and a clamp groove, wherein a first groove is formed in the upper part of the face plate; first rotating shafts are arranged in the first groove, a first folding rod is arranged on the left side of each first rotating shaft, a second rotating shaft is arranged on theleft side of each first folding rod, a second folding rod is arranged below each second rotating shaft, and a third rotating shaft is arranged below each second folding rod and arranged in a second groove. According to the television wall mount bracket used for a smart television and convenient to use, when the fixing strip is pulled, the second folding rods and the second groove rotate, the second folding rods rotate with the first folding rods through the second rotating shafts, the first folding rods rotate in the first groove, therefore, not only can the fixing strip be pulled out, but also the fixing strip can rotate in the horizontal direction, and the watching angle of the television is changed conveniently.

There are disclosed a 3D display method and a display device. The 3D display method comprises: adjusting a data line input signal for a 3D display device, so that a black image is displayed on sub-pixel regions of a (4n-2)th (n is a natural number) row and a 4nth row of a display panel of the 3D display device, inputting parallactic image signals for a left eye and a right eye into sub-pixel regions in a (4n-3)th row and in a (4n-1)th row, respectively, so that a left-eye image, the black image and a right-eye image are displayed on the sub-pixel regions in sequence, wherein each of the sub-pixel regions includes at least one row of sub-pixel structural units.

The invention relates to a display assembling structure of refrigerator, which is the display assembling structure of refrigerator at the front of refrigerator door, comprising accommodating part formed at the front of refrigerator door, which can accommodate the display and of which on the edge part multiple guiding heaves are set for supporting the display under the clinging status; connecting bar structure, of which the back end is connected with the upper part of said bracket and the frontal end is connected with said display so that said display can be accommodated or drawn towards. In the invention, the display can be drawn toward at the front of refrigerator door and the display is maintained regular position all the time when it is assembled; by the structure, visual angle of display can be changed actually and stable setting and appearance quantity of the display can by ensured .

The invention discloses a filling, digging and observing device of earth-rock for construction. The filling, digging and observing device comprises baseboards, support plates and an observing ring, rotary plates are installed at the left side and the right side of each baseboard, idler wheels are arranged below the rotary plates, rotary shafts are installed inside the baseboards, and supports arearranged below the rotary shafts; telescopic rods are fixed to the upper portions of the baseboards, fixing bolts are installed in the middles of the telescopic rods, adjusting blocks are arranged inthe middles of the support plates, and the support plates are located above the telescopic rods; rotary covers are installed in the middles of the adjusting blocks, a connecting telescopic rod penetrates into the rotary covers, a fixed plate is installed below the adjusting blocks, fixed covers are arranged below the fixed plate, measuring point fixing covers are installed below the observing ring, and the observing ring is located below fixing rods. The filling, digging and observing device of the earth-rock for construction is convenient to erect, can be stably placed on the earth surface after the earth-rock is filled and dug, and has a wide measuring range.

The invention provides a liquid crystal display device, comprising a backlight module and a display panel. The backlight module comprises an optical assembly and a bottom plate. The optical assembly comprises a reflection piece, a light guide plate, a scattering piece and a prismatic lens. The bottom plate comprises a bottom plate first side face facing the optical assembly and a bottom plate second side face facing away from the optical assembly. The display panel comprises a display panel upper surface facing away from the optical assembly and a display panel lower surface facing the opticalassembly. The optical assembly comprises an optical assembly bottom surface facing the bottom plate first side face, an optical assembly top surface facing the display panel and a plurality of optical assembly side faces perpendicular to the optical assembly bottom surface. The normal direction of the bottom plate second side face is parallel to the normal direction of the display panel lower surface, and the normal direction of the optical assembly top surface intersects the normal direction of the display panel lower surface. The liquid crystal display device can improve the driving safetyof the driver.

The invention discloses a display panel detection device based on a VR lens, and relates to the technical field of panel detection. The display panel detection device comprises a detection workbench, a fixing device, a grabbing device and a detection device, the outer surface of the detection workbench is movably provided with the fixing device, and the inner wall surface of the detection workbench is slidably connected with the grabbing device. The detection device is fixedly connected to the top surface of the detection workbench, and the fixing device comprises a light detection mechanism. Light source irradiation is carried out in spotlight through an LED lamp, then a reflection plate reflects the emitted light source, a rhombic reflection column is matched to repeatedly refract the reflected light source, the brightness of the light source is increased, the flexibility is changed, the convex mirror is matched to amplify and emit the internal light source, the internal light source is refracted, the characteristic of softness of direct light source is possessed, the problem that the brightness of the light source is too small and dazzling is solved due to the soft degree of the direct light source, and the effect of increasing the brightness and the soft degree of the light source is achieved.

The invention relates to the technical field of conference exhibition equipment, and discloses exhibit clamping equipment capable of increasing the viewing angle through right-angle rotation. The exhibit clamping equipment comprises a base, the bottom of the base is fixedly connected with a power mechanism, the top of the base is rotatably connected with an adjusting mechanism, a fixing mechanism is arranged above the base, and the right end of the top of the base is elastically connected with a control contact. According to the exhibit clamping equipment capable of increasing the viewing angle through right-angle rotation, meshing of a first bevel gear and a second bevel gear is controlled by changing the position of a movable magnetic disc, a limiting disc rotates to enable a gear frame to reciprocate under limiting of a limiting rod, meshing of a first gear is matched, and the effect of circularly changing the viewing angle of an exhibit through right-angle rotation is achieved; groove rods are closed by upwardly pushing a pull block, and under the limiting of the groove block and the inner wall of the limiting frame, the clamping blocks move back to back to increase the clamping width; and after an exhibit is placed between the clamping blocks, the pull block is put down, so that the effect of conveniently clamping the exhibit is achieved, and the loading and unloading efficiency of the exhibit is improved.

The invention discloses a visual angle adjustment device, which comprises a crystal layer, a control unit, and an absorption unit, wherein the crystal layer installed on the external surface of the display device is composed of acousto-optic crystal units in pre-determined matrix array and the acousto-optic crystal unit is made from acousto-optic material, and the pre-determined matrix array is corresponding to RGB matrix of the pixel of the display device; the control unit installed on one side of the crystal layer is employed to produce ultrasonic wave, control the frequency of the producedultrasonic wave, and impose the ultrasonic wave on the crystal layer; the absorption unit installed on the other side of the layer crystal is employed to absorb the ultrasonic wave. The invention also discloses a display device and a visual angle adjustment method. This invention can adjust the visible angle of the display device conveniently and flexibly at all times and places.

The invention belongs to the technical field of holographic projection imaging, and particularly relates to a holographic projection imaging interaction system which comprises a main body, the upper end of the main body is connected with a holographic projection system through a telescopic rod, the front end of the main body is provided with a control machine used for controlling, and a connecting frame is arranged and slides in a second sliding groove through a second threaded rod. According to the device, the supporting mode of the main body is adjusted through transmission of an internal motor and the function of adjusting the height of the connecting frame, moving adjustment of the main body is facilitated, meanwhile, when the main body is fixed, the stabilizing effect is good, through arrangement of a limiting rod, the limiting rod is connected with a second sliding block in a sleeving mode, and the limiting rod plays a role in limiting sliding of the connecting frame; and meanwhile, a connecting spring arranged at the position of a limiting rod in a sleeving mode plays a good buffering and damping role on the connecting frame when the universal wheel serves as the moving end, and the stability of the main body inner component is improved.