68results about How to "Save light source" patented technology

The embodiment of the invention provides an optical communication system, an optical communication device and an optical communication method, wherein the optical communication system comprises at least one relay device, one end of the relay device is coupled to at least one terminal node, while the other end is coupled to a central node so as to realize the intercommunication between the terminal node and the central node; the relay device is used for receiving a first optical signal from the terminal node and a second optical signal from the central node; and after the relay device restores a data electrical signal from the first optical signal, the data electrical signal is modulated onto at least a part of the optical signal of the second optical signal, and a third optical signal obtained by modulating is sent to the central node. By adopting the scheme of the embodiment of the invention, the relay device does not need an ascending light source so as to save the light source and ensure that the wavelength allocation is more flexible.

The invention discloses a polymerizable type thioxanthone visible light initiator containing acrylate or methacrylate and a preparation method of the polymerizable type thioxanthone visible light initiator. Thioxanthone containing an aromatic amino group can be directly reacted with various types of halogenated alcohol to generate thioxanthone containing an aliphatic hydroxyl group; the thioxanthone containing the aromatic amino group can also be reacted with 4-benzoyloxy benzyl chloride, and then is subjected to alcoholysis to generate thioxanthone containing a phenolic hydroxyl group; the thioxanthone containing the phenolic hydroxyl group can be reacted with the various types of halogenated alcohol to generate thioxanthone containing the aliphatic hydroxyl group; then the thioxanthone containing the phenolic hydroxyl group or the thioxanthone containing the aliphatic hydroxyl group is reacted with acryloyl chloride or methacryloyl chloride to form the polymerizable type thioxanthone visible light initiator containing an acrylate structure or a methacrylate structure. The compound disclosed by the invention has very good compatibility with a light curing system; in an application process, any additive does not need to be added, and any auxiliary agent does not need to be added; the polymerizable type thioxanthone visible light initiator is high in initiation efficiency, green and environment-friendly and low in energy consumption, meets the requirements of green chemistry, and has a wide application prospect in the field of visible light curing.

A display method by reflection is provided, which is to control and change the reflection characteristic of the display body to the ambient light to realize the image display which requires control system, controlled light transmission body and reflector. A reflective display designed by the method is also disclosed by the invention. Compared with the prior art, the method to reflect display of the invention is to display image by ambient light, which saves the light source needed by display body, energy-saving and environment-friendly. The image watched by the audience is just like to be viewed through glass, natural and real; since no luminous body is required, the invention can be lighter and thinner.

The invention aims to provide a printed matter checking device for preventing the single sheet from jiggling while photographing for checking the printed matter. In the device of the invention, a photographing unit is equipped for photographing the checked surface of the printed matter, a first blowing unit 4 for blowing air from the upper front direction of the conveying and a second blowing unit 5 for blowing air from the upper rear direction of the conveying are disposed on the photographed position, and an air absorbing unit 6 is disposed upon the checking position between the two blowing units for absorbing at least the air from the first unit 4 and the second unit 5.

The invention discloses a display refrigerator with a transparent display screen, which solves the technical problem of high integral energy consumption in the existing display refrigerator with the transparent display screen. The display refrigerator comprises a transparent door body, wherein the transparent door body at least consists of an outer transparent layer and an inner transparent layer; the outer transparent layer is kept away from a refrigerator box, and the inner transparent layer corresponds to the outer transparent layer; a cavity is formed between the outer transparent layer and the inner transparent layer; the transparent display screen is arranged in the cavity; a light source is arranged at the side of the transparent display screen, and the light emitting direction of the light source faces the refrigerator box. The display refrigerator has the advantages that the light source of the display objects in the refrigerator and the light source of the transparent display screen can be provided by only one group of light source, so that the integral energy consumption of the display refrigerator with the transparent display screen is decreased, the heat emitted by the light source in the refrigerator box is reduced, and the consumption of cold is reduced in the refrigerating circulation design; the light source in the transparent door body can provide a heat source for removing fog and dew of the door body, so that the condensate of the transparent door body of the refrigerator caused by cold and heat temperature difference of the interior and exterior of the refrigerator box is effectively reduced.

The invention relates to a method and a device for drying a printing ink layer of a corrugated board. The method is to directly irradiate the corrugated board with infrared rays, and the lengthwise direction of light tubes emitting the infrared rays is parallel to the direction in which the corrugated board advances. A plurality of infrared light tubes are arranged parallelly in group, each and each group of the infrared light tubes can be controlled independently. The device is arranged on a corrugated board conveying device, and the lengthwise direction of the infrared light tubes is consistent with the direction in which the corrugated board conveying device advances. Each infrared light tube is provided with a reflecting protective cover for reflecting the light emitted by the infrared light tube onto the corrugated board or protecting the corrugated board from the light emitted by the infrared light tube. The protective cover is arranged in a mode of automatically-controlled motion. The invention prolongs the time of the irradiation of corrugated board by light emitted by each light tube and improves efficiency. Light tubes in areas not to be dried can be turned off to save energy. In case of sudden vehicle stop, the rays are prevented from irradiating the corrugated board so as to avoid fire.

The present invention discloses anti-aliasing imaging element, photosensitive module and display module preparation methods. The anti-aliasing imaging element preparation method comprises: forming a light-absorbing layer and a transparent supporting layer that are alternately arranged in a stacked manner on a carrier, wherein the light-absorbing layer comprises a plurality of light-absorbing blocks arranged at intervals, and a region corresponding to the interval between the light-absorbing blocks is a first light-transmitting region. The photosensitive module preparation method comprises: providing a photosensitive device and an anti-aliasing element prepared by the anti-aliasing imaging element preparation method, and fixing the anti-aliasing imaging element on the photosensitive device.The display module manufacturing method comprises: providing a display device and the photosensitive module prepared by the photosensitive module preparation method, and assembling the photosensitivemodule and the display device.

The invention discloses a whole flooring curing construction method comprising the following steps: thickening 10-20mm of concrete on a cast-in-place slab original design thickness; controlling elevation, flatness and density when floor cast-in-place slab concrete is poured, and using a calender to smooth the surface for one time moulding; carrying out watering maintenance and finished product protection for the cast-in-place slab concrete after smoothing, wherein the watering maintenance lasts at least for 7 days; grinding, curing and polishing the floor surface when the cast-in-place slab concrete intensity reaches 60-80% of the designing intensity; using a scrubber to clean the floor after polishing, and the floor can be used at once after the cleaning without maintenance. The novel method adds 10-20mm concrete on the cast-in-place slab original design thickness for one time moulding, can reduce procedures and natural resource consumption like concrete and gravels, and can reduce cast-in-place slab load; the processed flooring cannot have sugaring, dusting, flaking and hollowing conditions, is high in intensity, shine in surface, and good in wear resistance.

The invention relates to the field of a magnetic field device for atom transfer and particularly relates to a magnetic field device for transferring cold atoms at a long distance. A pushing coil is used to generate pushing magnetic fields for transferring the cold atoms to a high vacuum chamber at the other side from a low vacuum chamber at one side; an MOT (multiplex output terminal) coil is arranged for imprisoning the cold atoms; a transfer coil is arranged for keeping the cold atoms unexpanded and keeping the volume unchanged in a process of controlling the cold atoms to transfer. According to the magnetic field device disclosed by the invention, the transferring of cold atoms is realized through a method of applying magnetic fields, so that an experimental device can be simplified to a great extent, a heating effect of atoms in the transfer process can be lowered, and the transfer efficiency can be improved. Moreover, the magnetic field device is simple in structure, convenient to operate, and of great popularization value.

The invention discloses a virtual pixel multiplexing control method of a display panel, and belongs to the technical field of LED display panel control. The virtual pixel multiplexing control method solves the problems that an existing virtual pixel multiplexing control method causes image distortion due to large gray loss and is difficult to implement. A red chip, a green chip and a blue chip serve as a pixel unit, and the pixel unit is arranged in an inverted triangle and regular triangle alternate arrangement mode. According to the control mode, display of a frame of picture is completed through line-by-line scanning, and three-time and six-time multiplexing of virtual pixels is achieved. The method is suitable for the technical field of LED display panel control, and different virtual pixel multiplexing display effects are obtained through different line scanning processing modes of the display panel.

The invention discloses an LED cold light source curing machine. The LED cold light source curing machine comprises a light-emitting diode combination. The light-emitting diode combination comprises a light-emitting diode and a lens arranged in front of the light-emitting diode. After penetrating the lens, the light emitted by the light-emitting diode is projected to a product to be cured, wherein the wavelength of the light emitted by the light-emitting diode ranges from 365 nanometers to 400 nanometers, the focal length of the lens ranges from 10 mm to 20 mm, and the distance between the lens and the product to be cured ranges from 3 cm to 5 cm. The LED cold light source curing machine can sufficiently cure product bonding glue and can conduct multi-coordinate position curing at the same time, and the product quality is guaranteed. A large amount of energy is saved, the production cost is reduced, environment friendliness and consumption reduction are achieved, and the production efficiency is improved.

The invention provides a vehicle-mounted high beam weakening system. An LED video glass is mounted on a vehicle front windshield and used for adjusting light intensity of the vehicle front windshield;and a main control device receives signals, which are transmitted by a light intensity monitoring device and a human eye positioning device, calculates a distance from a light source to the light intensity monitoring device and a distance from the human eye positioning device to a human face, calculates an included angle between the human eye positioning device and the light intensity monitoringdevice by using the distance from the light source to the light intensity monitoring device and the distance from the human eye positioning device to the human face, and then determines a distance from the light source to the human face to obtain the position of the light source on the vehicle front windshield, and controls the LED video glass to change color at a light source irradiated part so as to achieve an effect of reducing the intensity of the light source. The vehicle-mounted high beam weakening system has the advantages that the darkness of one parts, corresponding to human pupils, on the LED video glass is opened by using the light intensity received by human eyes so as to achieve a purpose of weakening the light source; and through pupil monitoring, whether a high beam directlyirradiates the eyes or not is effectively judged.

The invention relates to a vehicle headlight (1) including: a main lighting module (2) arranged to emit a main light beam (31, 41, 51, 61) corresponding to a low-beam/high-beam headlight ; a plurality of complementary lighting modules (3, 3', 3") arranged such as to each emit a complementary light beam (32, 33, 34, 42, 43, 44, 52, 53, 54, 62, 63, 64) separate from said main light beam; an adjustment means (4) for adjusting the elevation and azimuth of each of said lighting modules (2, 3, 3', 3"); and a control unit, characterised in that said means for adjusting the elevation and azimuth is arranged such as to adjust the elevation and the azimuth of each of said lighting modules independently of one another in response to an order from said control unit.

The invention discloses a single-lamp visible light duplex communication system, and an uplink and downlink time division method thereof. The communication system comprises an upper computer and a lower computer; the upper computer comprises a first signal processing unit, a first optical signal transmitting unit and a first optical signal detection unit; and the lower computer comprises a single-wafer type external modulator, a reflective prism set, a second optical signal detection unit, a second signal processing unit, an external modulation driving module and a control terminal. The method for realizing uplink and downlink time division comprises the following steps of: setting uplink data and downlink data, and, according to time division, distinguishing an uplink data channel from a downlink data channel, and performing self-adaptive distribution. By means of the single-lamp visible light duplex communication system, and the uplink and downlink time division method thereof disclosed by the invention, the light source of the lower computer can be saved; light cannot irritate eyes of users; the data transmission rate is high; and the scientific research value, the economic benefit and the social benefit are relatively high.

The invention discloses a light diffusion sunlight plate prepared through extrusion molding by using mixed materials of, by weight: 90-99% of a PC main material, 0.5-5% of a diffusion material, and 0.5-5% of a color masterbatch. Compared to existing sunlight plates, the light diffusion sunlight plate provided by the invention is advantaged in that: (1) unit illumination intensity can easily reach a value above 3500Lux; (2) the haze of the PC plate can be increased; lights passing the plate can be subject to diffuse reflection, such that the lights are more uniform and gentle, and the glare of a lamp house can be effectively avoided; (3) a color temperature is appropriate, wherein the color temperature of the diffusion plate material can be above 6000K; and (4) the light diffusion sunlight plate is energy-saving. Because an MS diffusion plate has high light transmittance, high haze and good diffusion performance, less light sources are required for reaching a same image effect.

The invention discloses an anti-reflection device for education and teaching, and belongs to the technical field of anti-reflection devices for teaching. The anti-reflection device comprises a shell, a blackboard is arranged in the shell, a frame is arranged at the sides of the blackboard, sliding blocks are arranged at the two sides and the upper end of the frame, and sliding rails corresponding to the sliding blocks are arranged on the inner side wall of the shell. According to the anti-reflection device, a shading plate is arranged, when sunlight is strong, the shading plate is erected, and fixing clamping rods are rotated to be clamped into clamping grooves of clamping blocks to form fixing, so that fixing is easy, convenient and fast, and light reflection of the blackboard disappears; however, after the shading plate is erected, light of the blackboard is insufficient, and the condition that the blackboard cannot be seen clearly exists; an LED lamp is used for increasing the brightness of the blackboard and can be used when the blackboard cannot be see clearly and can also reinforce light when a light source is insufficient at night; and a solar panel collects solar energy, converts the solar energy into electric energy and provides sufficient electric energy for the LED lamp, so that the purpose of saving energy is achieved.

The invention provides plant lodging preventive cultivation equipment and belongs to the technical field of plant cultivation equipment. The plant lodging preventive cultivation equipment comprises apot body; the left side of the pot body is connected with a water tank; a housing is arranged above the pot body; fasteners are arranged at the top end of the housing and are connected with L-shaped supports; a sunshade layer, consisting of three layers, namely a light transmitting layer, a semi-transparent layer and a light shielding layer outside in, is arranged at the straight end of each L-shaped support. The plant lodging preventive cultivation equipment can collect rainwater and accordingly is energy saving and environmentally friendly, can prevent lodging of plants in cultivation, and further can protect plant and promote growth of the plants.