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

Method and device for observing photoacoustic imaging in single-array element and multi-angle mode based on compressive sensing

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.
Owner:HARBIN INST OF TECH

Visual angle setting system and method for liquid crystal display screen

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.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Live broadcast system capable of obtaining high definition images immediately based on voice control

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.
Owner:青岛一舍科技有限公司

Live broadcast system capable of obtaining high definition images immediately based on automatic control

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.
Owner:青岛一舍科技有限公司

Laser-machining head and laser-machining machine comprising same

ActiveCN108025394AImprove accuracyChange the direction of observationLaser beam welding apparatusBeam splitterBeam source
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).
Owner:TRUMPF WERKZEUGMASCHINEN GMBH & CO KG

Method and device for observing photoacoustic imaging in single-array element and multi-angle mode based on compressive sensing

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.
Owner:HARBIN INST OF TECH

Multi-angle rotating jewelry display device

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.
Owner:SHENZHEN DINGSHENG JEWELRY CO LTD

Indoor assembled stand with angle adjusting function

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.
Owner:GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD

Novel electronic whiteboard

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.
Owner:新乡芯蕴通信技术有限公司

Television wall mount bracket with convenience in angle adjustment as well as manufacturing and using methods of television wall mount bracket

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.
Owner:张朝峰

A live broadcast system based on automatic control that can instantly obtain high-definition photos

The invention provides a live broadcast system based on automatic control that can instantly obtain high-definition photos, including a host computer, a slave computer, a server, and a user terminal; the host computer includes a movable bearing device, which is equipped with The cloud platform, the image acquisition device connected with the platform and the first transmission module; the image acquisition device includes one or more camera modules. The above-mentioned system of the present invention, through the two cameras in each camera module, respectively output the picture data and video data with a time correspondence relationship with nearly consistent viewing angles, and has a dual data stream output mode, which can meet the real-time shooting requirements of users when watching videos. High-res photos on demand. Utilizing the above technology of the present invention, the user can not only watch the live video and take pictures, but also can control the movable bearing device and / or the cloud platform to change the posture through the server side when watching the live broadcast, so as to change the viewing angle of the user and improve the viewing angle of the user. User entertainment interactivity.
Owner:青岛一舍科技有限公司

Novel cloud interactive storage notebook with audio and video communication function

The invention discloses a novel cloud interactive storage notebook with an audio and video communication function, and relates to the technical field of office supplies, in particular to a novel cloud interactive storage notebook with an audio and video communication function, which comprises a left shell and a bearing, a first plate surface is arranged in the left shell, a hook surface body is fixedly connected to the interior of the first plate surface, a bonding surface is bonded to the interior of the hook surface body, a suction cup is arranged below the hook surface body, a spring is fixedly connected to the lower portion of the bearing, the bearing is located below the suction cup, and a buffer rod is connected to the interior of the spring in a sleeved mode. According to the novel cloud interactive storage notebook with the audio and video communication function, when functionality is increased, the heat dissipation effect of the storage battery can be guaranteed, internal parts cannot be damaged, playing equipment can be well fixed and adjusted, and meanwhile the novel cloud interactive storage notebook has the audio and video playing function; and the phenomenon of mistaken touch is not easy to occur during manual adjustment.
Owner:温州市今艺印业有限公司

Display panel detection device based on VR lens

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.
Owner:青岛海科虚拟现实研究院

Exhibit clamping equipment capable of increasing viewing angle through right-angle rotation

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.
Owner:李万军
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