68results about How to "Increase throw distance" patented technology

A projection display is provided with an imager that is implemented to generate individual images in a distribution of sub-areas of an imaging plane of the imager. The projection display also includes a multi-channel optics, which is configured to map one allocated sub-area of the imager each per channel, such that the mappings of the individual images are combined to an overall image in a projection area. At least some channels of the multi-channel optics are arranged along at least one curve which is similar to at least one elongated image feature of the overall image, so that a two-dimension anisotropic out-of-focus behavior of each projected image point is obtained. In this way, a large depth of focus range can be combined with relatively high projection brightness without having to accept losses with respect to the focused illustration of image features that are to be projected with sufficient focus.

The invention discloses an optical lens for solid state lighting street lamps, comprising a lens body 1; a groove body 2 is arranged at the bottom of the lens body 1; the level surface 10 below the groove body 2 is a light source mounting surface; a pyramid-surface secondary lens 3 is arranged at the upper part of the lens body 1; light is refracted through a convex mirror formed by a left shoulder 8,a right shoulder 9 and the inner surface of the groove body 2 to increase the emergent angle of the light; the light emitted by a light source is refracted through the groove body 2 to further concentrate within side walks and lanes; the light passing the pyramid-surface secondary lens 3 is partially refracted or reflected to both sides of the secondary lens, which can reduces the value of light intensity above the lens, increases the value of light intensity of the two shoulders, leads the center of distribution curve flux of batwing to pit inward and improves the uniformity of roadway lighting; after passing through the side face 4 and the side face 5 of the lens body 1, light enters above the lens by total reflection so as to lead the light to be cast within side walks and lanes; the optical lens has the characteristics of reducing illuminance of a collineation point, increasing casting distance in road surface direction, casting angle and far-point light intensity and improvinguniformity.

The invention discloses a control method, comprising the following steps of: controlling a light emitter to emit a laser of a first frequency to the target to be tested; and controlling the light emitter to emit a laser of a second frequency to the object to be tested when the projection distance between the light emitter and the target to be tested is less than a first preset distance, wherein the second frequency is greater than the first frequency. According to the control method, the light emitter is controlled to emit the laser of the first frequency to the target to be tested, and the light emitter is controlled to emit the laser of the second frequency to the object to be tested when the projection distance obtained through the laser of the first frequency is less than the first preset distance, so that a projection distance with high accurate can be obtained through the laser light of the second frequency. The invention also discloses a control device, a time-of-flight device,a terminal, and a computer readable storage medium.

The present invention features a car theater system using rear projection that extends projection distance through a reflection mirror, and may not restrict movement of passengers, and may not block an image projected toward a screen. According to preferred embodiments, the car theater system of the present invention comprises a video player, a projector, a reflection mirror, a screen for imaging an image reflected by the reflection mirror.

A multi-direction image viewing system includes a triangular or rectangular image case, and plural projectors symmetrically installed to the inner sides of the image case in three or four directions. Projecting light paths cross each other so that the size of the image case is reduced to 1 / 6.7 to ⅓ of the size of the conventional image case. By reducing the weight of the image case through size reduction, the multi-direction image viewing system can serve as a mobile multi-direction image viewing system coupled with a trailer and transported by a small sized vehicle such as a motorcycle, as a wide viewing angle multi-direction image system attached to a wall and coupled with the safety fence of the bus terminal or the subway station, and as an image viewing system mounted to a ceiling or wall.

A projection apparatus includes a base, a main body and a reflective mirror. The base is equipped with a DVD player therein, and the main body is supported on the base and has a projection lens for projecting an image light beam. The reflective mirror is disposed outside the base and has a reflecting surface facing the projection lens. After the projection apparatus is hung on the wall, the image light beam projected from the projection lens goes through the planar or the curved reflective surface in front of the projection lens for a reflective effect. The light beam is bent, zoomed or corrected its distortion, and then the corrected image picture is displayed on the screen for saving the projector configuration space, increasing the zooming amplification, correcting the image distortion, as well as simplifying the wiring configuration.

The invention relates to a drowning prevention life saving device. The drowning prevention life saving device comprises a life-saving airbag, a shell, a gas source cylinder, a control valve seat, a firing pin, water-soluble tablets, a hammer, a spring II and a water-communicating shell, through holes are formed at two ends of the shell, one end of the shell is sleeved with the life-saving airbag, the other end f the shell is sealed through the control valve seat, the gas source cylinder is placed inside the shell, the shell is not in contact with the gas source cylinder, the outlet end of the gas source cylinder is connected with the control valve seat, the control valve seat is a hollow column, the control valve seat is provided with an inflatable flow hole penetrating through a hollow cavity, the control valve seat is hermetically connected with one end of the shell and the inflatable flow hole is exposed to an inner cavity of the shell, the firing pin is arranged in the hollow cavity of the control valve seat, the hammer and the firing pin are separated through the water-soluble tablets, the hammer is located in the water-communicating shell, the water-communicating shell is connected with the control valve seat, the hammer and the water-communicating shell co-compress the second spring. The drowning prevention life saving device has the advantage of low cost, is easy to carry, has excellent safety and stability, and has excellent promotion and use value.

The invention relates to a linear rail-mounted fertilization device based on centrifugal action. The linear rail-mounted fertilization device comprises a base and a body, the base is connected with the body and provided with rollers, the body comprises a fertilization device and a power device, the power device comprises a foundation, a driving motor and a rotating shaft, the driving motor is arranged on the foundation, the fertilization device comprises a fertilizer storage bin, a feeding pipe and a rotating disk, the fertilizer storage bin is connected with the rotating disk through the feeding pipe, the rotating disk is connected with the driving motor through the rotating shaft, the inside of the rotating disk is hollowed, a feeding port is formed in the rotating disk and communicatedwith the feeding pipe, discharging ports are formed in two side walls of the rotating disk and centrally symmetric about of the center point of the rotating disk, a double-helical partition plate is arranged inside the rotating disk, two ends of the partition plate correspond to the corresponding discharging ports, and guide plates are arranged at tail ends, positioned at the discharging ports, ofthe double-helical partition plate and used for guiding fertilizers to the discharging ports.

The invention provides a marine lifebuoy launching device, and relates to the technical field of marine equipment. The launching device comprises a launcher, a life buoy, a rescue rope and a rope winding motor; a rope winding groove is formed in the outer ring of the life buoy, one end of the rescue rope is connected into the rope winding groove, the other end of the rescue rope is connected withan output shaft of the rope winding motor, and the rope body of the rescue rope is wound in the rope winding groove; the launcher comprises a telescopic rod body and a shell; and the life buoy is sleeved on the telescopic rod body. In the launching process, the life buoy is away from the rope winding motor, the rescue rope pulls the life buoy to rotate on the telescopic rod body; the telescopic rod body quickly retracts into the shell at the final stage of launching; under the action of inertia, the life buoy is rotated to be thrown outwards, and the throwing distance can be increased; the rescue rope is automatically lengthened along with the rotation of the life buoy, and the throwing resistance to the life buoy is weakened, so that the maximum throwing distance of the life buoy is remarkably increased, the life buoy can be thrown near a drowning person far away from a ship, and the survival probability of the drowning person far away from the ship is effectively increased.

The invention provides full-automatic screen optical detection equipment. The full-automatic screen optical detection equipment comprises a projection light source system, one camera, a rear projection screen and an image signal generation and processing system. A detection method comprises the following steps: amplifying a pixel of a detected screen by adopting a projection method; and detecting an image on the rear projection screen by utilizing the camera and switching content of the rear projection screen and processing the image photographed by the camera through the image signal generation and processing system, so as to determine defects and defect positions and degrees. According to the full-automatic screen optical detection equipment, various view window ranges can be detected by only one camera and the high requirements of real-time generation are met, so that the cost is reduced. The current chroma and brightness uniformity of the pixel or a sub-pixel are accurately determined, so that a screen driving part is guided to carry out specific compensation and improve the yield of the screen. The detection efficiency and the detection precision are improved.

The invention relates to the technical field of emergency rescue, and discloses a line throwing gun for ship lifesaving and fire fighting. The line throwing gun comprises a line throwing gun cavity, a handle is fixedly installed on one side of the bottom end of the line throwing gun cavity, the center of one end of the line throwing gun cavity is fixedly connected with a gas conveying pipeline, the center of the other end s fixedly connected with a throwing pipe connector, a trigger is hinged to the handle, and a jacking rod is attached to one end of the trigger. Through a designed blocking plate, closing of an opening of the line throwing pipe is directly controlled by mechanical transmission of the trigger, the line throwing gun gets rid of original piston blocking, pressure loss caused by the fact that part of air pressure in the line throwing gun cavity is used for opening a piston is avoided, and meanwhile, through a designed power spring and a designed pressurizing plate, when a blocking plate is opened, the power spring can drive the power plate to rebound to provide additional acting force for the high-pressure gas, so that the output pressure of the high-pressure gas is increased, and the throwing distance is increased.

A reflective projection screen for receiving images, for a projector having short focal length of short projection distance, and particularly a reflective projection screen applicable to 2D and 3D imaging. The reflective projection screen has multi-incident angles where every reflection surface is prepared from a projection angle of the projected image and where incident angles are formed differently from each reflection surfaces so that the projection images from different angles are reflected into one direction.

The invention relates to a small-angle white light source which comprises a laser white light source and a collimating lens arranged right above the light-emitting end of the laser white light source,wherein the laser white light source comprises a blue light laser transmitting device and a light conversion medium; the light conversion medium is arranged on the surface of the laser emitting end of the blue light laser transmitting device; the blue light laser transmitted by the blue light laser transmitting device pass through the light conversion medium to be activated and converted into white light; and the white light is gathered into small-angle white light by the collimating lens. The small-angle white light source overcomes the defects that the technology is outdated, the techniqueis complicated, the efficiency is low, the light source is disperse, intensity is weak, and the projection distance is short because the light-emitting component of the existing traditional light source adopts LEDs or the manner of RGE or color chips in laser lighting and has the advantages of being in simple in technique, high in light-emitting efficiency, small in light source emitting angle, centralized in light source, high in intensity and long in projection distance.

The invention is suitable for the field of agricultural planting and provides a bidirectional pneumatic seedling throwing machine which comprises a supporting component and a transmission component. The supporting component comprises a base, a rotating shaft, wheels and a supporting rod, the rotating shaft is rotatably connected to the base and positioned below the base, the wheels are rotatably connected to the rotating shaft and positioned on one side of the base, and the transmission component comprises an air blower, a diversion head, a funnel, a vent and a storage battery. By arranging the diversion head, wind blown out by the air blower is diverted by the diversion head to be blow out from two directions and ejects seedlings leaking down from the funnel through the vent; the vent isarc-shaped, so that seedling ejecting track is lifted, and seedling ejecting distance is increased; the air blower works in two direction at the same time, and the wind of the air blower continues, sothat the seedlings can be ejected continuously, working efficiency is doubled, and working distance is increased.

The invention relates to an ejection type solar-powered dual-purpose fishing gear capable of fishing and shooting planes and belongs to the technical field of new energy application. Compared with a traditional casting fishing net, a solar-powered spring ejector controlled by electromagnets is designed. The fishing gear has the advantages that energy saving and environmental protection can be achieved by using a solar panel for supplying power; fishing net casting distance can be increased greatly, and accordingly fishing efficiency is improved; when facing provocation of foreign airplanes and warships, the fishing gear can be used for casting the fishing net to enable propellers of the airplanes or the warships to fail so as to achieve self-defense; and the fishing gear provides a law enforcement tool without harm to humans for maritime affairs executive law enforcement.

The invention relates to the technical field of fishpond cultivation, in particular to a large-area fishpond cultivation feed feeding device which comprises a feed box, a conveying structure, a throwing structure, a shielding structure, a sealing structure and a screening structure. The fodder throwing height can be increased through the conveying structure, the fodder throwing range can be expanded, the thrown fodder can be screened through the screening structure, and therefore the situation that caked fodder enters the device to affect normal throwing of the fodder is avoided, meanwhile, the good screening effect can be achieved on the fodder with different particle sizes, and the fodder throwing efficiency is improved. All-angle throwing of feed can be achieved through the throwing structure, the throwing area can be adjusted according to the size of a fishpond, so that the uniform feeding effect is achieved, the device can be protected in rainy days through the shielding structure, and it is avoided that rainwater enters the device to affect normal work of the device; the top side of the feed box can be sealed through the sealing structure, and meanwhile the feed box can be kept in an open state to facilitate feed adding.

The present invention relates to an inkjet ink composition comprising a colourant, a carrier and a saccharide additive comprising a monosaccharide, and / or a disaccharide and / or a tri- or polysaccharide and / or respective derivative of these saccharides. The composition is preferably a thermal inkjet composition of food grade ink. Derivatives of saccharides may be sugar alcohols, sugar acids, amino sugars or thiosugars. The saccharide additive may be glycerine, xylitol, sorbitol, mannitol, maltitol and it is preferably present in concentrations between 0.05 and 15 wt%. The carrier may be water and / or one or more organic solvents (i.e. ethanol, propanol, t-butyl alcohol, s-butyl alcohol, propylene glycol). Water is preferably present in concentrations of less than 70 wt%. Further additives may be humectants, preservatives, surfactants and / or binders. The saccharide additive may be used to reduce nozzle plate wetting, to increase the throw distance or to increase the decap time.

The invention provides a reflection lens and an ultra-thin backlight module thereof. The reflection lens comprises an emergent surface, an incident surface, a bottom fog surface, column feet and a reflection surface. The column feet are arranged on the bottom fog surface. The incident surface is in a left-right symmetrical type inwardly concave shape. An external CSP light source is located at thecenter position of the inwardly concave shape of the incident surface. The bottom fog surface is connected with the incident surface. The emergent surface is connected with the bottom fog surface andthe reflection surface respectively. The emergent surface and the reflection surface are symmetrically arranged on the left side and the right side of the incident surface respectively. The ultra-thin backlight module comprises an optical diaphragm, a diffusion plate, a reflective paper, a lamp strip and a cavity. The reflection lens is good in transmission effect, and the backlight module is uniform in brightness, good in light effect, low in cost and attractive in appearance.

The invention discloses a chip module structure assembly, which comprises a substrate, a heat dissipation plate and at least one chip, wherein the substrate is flat and is provided with a perforation; the heat dissipation plate is arranged on the bottom surface of the substrate, the position of the heat dissipation plate corresponds to the perforation, and the heat conduction coefficient of the heat dissipation plate is higher than that of the substrate; and the at least one chip is arranged on the top surface of the heat dissipation plate and corresponds to the perforation, and the chip is electrically connected with the substrate. Through the structure, the chip module structure assembly can quickly conduct the heat to the outside. Compared with the prior art, the chip module structure assembly has the characteristic of better heat dissipation effect.

The invention relates to a curved surface transmission type 3D light field display system based on a projection array. The system comprises a projection array, a curved surface reflector and a screen; the projection array comprises a plurality of projectors mounted on an arc section bracket, the curved surface reflector is arranged on a light path of the projection array, and light emitted by the projectors is reflected to the screen through the curved reflector and is transmitted to the other side of the screen to be projected to generate a three-dimensional image. According to the curved surface transmission type 3D light field display system, the curved surface reflecting mirror is arranged on the light path of the projection array, the light emitted by the projectors is reflected to the screen and transmitted to the other surface of the screen to be projected to generate a three-dimensional image, the projection distance is increased, the breadth of the display system is expanded under the condition that the occupied area is not increased, the three-dimensional space is fully utilized, the size is small, and the system is convenient to carry and use.

The invention discloses an optical system integrated design method of a box-type file shooting instrument, which comprises the following steps: firstly, a box body is prepared, a backlight illuminating system is arranged in the box body to a provide diffusing surface light source for the shooting modules of the box-type file shooting instrument, so that light with enough brightness can be provided to a file to be shot, the illuminating effect with uniform brightness can be formed on the surface of the file to be shot, and the shooting effect is improved; secondly, two transparent panels are prepared, and are overlapped or spliced on the top part of the box body in a certain included angle; thirdly, two shooting modules are arranged at the lower surface of the diffusing surface light source, a position on the diffusing surface light resource, corresponding to the vision field angle of the shooting modules, are hollowed-out, the two shooting modules are respectively corresponding to one of the transparent plates, and the light axes of the shooting modules are vertical to the corresponding transparent panels; and fourthly, the light illuminating surface of the diffusing surface light source is an upper surface, the light illuminating surface faces to the transparent plates to illuminate the file to be shot, and the file to be shot is placed on the transparent panels. The invention also discloses an optical system integrated design.

A projector light device includes a housing having a supporting panel, a board attached to the panel, one or more light members attached to the board for generating lights, and a plate disposed in front of the board and having one or more lenses arranged in front of the light members, for concentrating the lights generated by the light members, and for increasing projecting distances of the lights generated by the light members. Each of the light members includes a seat having an orifice for receiving a light element. A cover may be disposed in front of the plate, and a camera may be attached to the housing for video taping purposes or for taking pictures.

The invention discloses a liquid scattering device and a liquid scattering device central tube hog forging process. The liquid scattering device comprises a shell, liquid and a lower end cover, and further comprises an upper end cover, first central tubes, a first scattered chemical, second central tubes and a second scattered chemical. The shell is a cylindrical tube. The lower end of the shell is connected with the lower end cover. The lower end cover is a circular plate. The upper end of the shell is connected with the upper end cover. The upper end cover is a circular plate. The upper endcover is provided with six first round holes distributed circumferentially and twelve second round holes distributed circumferentially. An enclosed space formed by the upper end cover, the shell and the lower end cover is filled with the liquid. The first central tubes are round tubes. The upper ends of the first central tubes are connected with the first round holes of the upper end cover. The lower ends of the first central tubes make contact with the lower end cover. The first central tubes are filled with the first scattered chemical. The liquid scattering device can achieve the high scattering speed and then increase the scattering distance. A scattered cloud cluster is continuously atomized and spread in the circumferential direction to connect together finally, and the area of the scattered cloud cluster is increased.

The invention discloses a throwing type inflatable liferaft releasing device for a tugboat, which comprises a liferaft base and two articulated extension supports and a liferaft release mechanism, thebase is a tilted support frame with low front part and high rear part, A rear end of that base extend upwardly perpendicular and out of the bracket, The life raft releasing mechanism is fixed on thecross bar at the rear end of the base, the first extension support frame is a frame structure and is articulated with the upper side of the front end of the base guide bar, the two sides of the guidebar are respectively provided with left and right symmetrical balancing railings, the lower end of the second extension support frame is articulated with the upper end of the first extension support frame through the guide rail, and is inclined to abut on the upper part of the first extension support frame. As that life raft is release, the life raft is rolled down by the dead weight and the two extend supports are pushed apart to form the same rolling plane with the base, and the balance railings on both sides play a balancing and guiding role, so that the inflatable life raft is smoothly rolled off the slideway and enters water quickly under any sea condition; The throwing type inflatable liferaft releasing device has the advantages of simple structure, convenient installation, low costand wide application range.

The invention discloses a remote scattering mechanism. The remote scattering mechanism comprises a hopper, a discharging disk, a pull rod, a bottom plate, a scattering disk, blades, a drive system, abaffle, scattering grooves and an installation face. According to the remote scattering mechanism, the middle of a plate is polished into a sinking shape to form the scattering disk, and the scattering distance of the scattering disk is increased; and meanwhile, the blades are arranged, the scattering grooves in the blades are utilized, the scattering distance is further increased, and by means ofthe angles of the blades arranged on the scattering disk, the purpose of adjusting the scattering distance is achieved. Meanwhile, holes in the bottom plate are formed in one side of the baffle in aconcentrated manner, when the remote scattering mechanism is arranged on a tractor, the baffle is arranged between the tractor and the remote scattering mechanism, materials scattered to the tractor can be resisted, and the discharging of the hopper cannot affect the scattering of materials to a farmland. By adjusting the lengths and the angles of the blades, the scattering distance can reach 25 m-60 m, and the requirement of large-scale agricultural production can be completely met.