39results about How to "Good for seeing" patented technology

The invention relates to the technical field of ultrasonic imaging, in particular to a hydrogel film and a preparation method thereof and an ultrasonic coupling patch. The hydrogel film is prepared from the following raw materials in percentage by mass: 20-60% of a monomer, 15-35% of gelatin, 0.01-1% of a cross-linking agent, 0.01-1.5%of an initiator, 0.01-1.5%of a photoinitiator, and the balance of water, wherein the monomer is methacrylic acid and / or methyl methacrylate. The hydrogel film is in a solid film shape and can be used as an ultrasonic coupling material, so that superficial tissue can be seen in an ultrasonic image, and the imaging quality is high.

The invention discloses a driving photographing system and a method and device thereof. The system comprises a camera, wherein an eyeglass is arranged in a lens of the camera, a transparent resistance wire is laid in the eyeglass, and a conductive sheet which is electrically connected with the transparent resistance wire is arranged on the edge of the eyeglass; a humidity sensor which is used for detecting the humidity of the eyeglass; a vehicular display which is used for displaying an image photographing result of the camera; and a controller which is connected with the camera, the humidity sensor and the vehicular display and is used for controlling the conductive sheet of the camera to heat the transparent resistance wire when the humidity detected by the humidity sensor is greater than a preset humidity threshold. According to the system, the method and the device, the transparent resistance wire is heated through utilization of the conductive sheet, so the eyeglass of the camera wetted by water drops can be rapidly heated to dry; the image photographing effect of the camera is improved; the image with relatively good image quality is transmitted to the vehicular display; a driver can watch an image at the rear side of a vehicle clearly; and the driver can drive safely.

The invention discloses a pen. The pen comprises a pen loop, a pen body, a pen refill and a pen body base; a support and a pen refill base are arranged in the pen body; the support is equipped with a hole through which the pen refill can pass; a sunken part for inserting the pen refill is arranged in the pen refill base; a spring is arranged between the support and the pen refill base; the pen refill passes through the spring; a slot is formed in the pen body base; a card in a shape of a Chinese character Tu (convex) is arranged in the pen loop; when the pen loop sleeves the pen body, the card in the shape of the Chinese character Tu (convex) passes through the slot to extrude the pen refill base to prop out a point of the pen refill from the pen body, and then the pen loop can be rotated to clamp the card in the shape of the Chinese character Tu (convex) onto the pen refill base. With the adoption of the pen, the pen loop is difficultly lost.

The invention discloses a multifunctional music stand for music teaching. The music stand comprises a base, a fixing casing, a turntable and a motor mounting base; the fixing casing is arranged in themiddle of the upper end of the base, a fixing sleeve is arranged at the upper end of the fixing casing, a bearing is arranged at the lower end of the interior of the fixing casing, the middle of thebearing is sleeved with a rotating shaft, and the lower portion of the side wall of the rotating shaft is sleeved with a bevel gear; the motor mounting base is arranged on the right side of the upperend of the base, and a motor is arranged at the upper end of the motor mounting base. The music stand is reasonable in structural design; through arrangement of the motor and the rotating shaft, panels are automatically rotated and adjusted to an appropriate angle conveniently; through arrangement of an air cylinder, the height of the music stand is adjusted conveniently, and convenience is provided for students in the rear row to see the teaching music stand clearly; through arrangement of the panels, the space occupied by the music stand is reduced; through arrangement of wheels and brake mechanisms, convenience is provided for moving the music stand and braking the music stand at a suitable position. Through arrangement of a sliding fixing mechanism and a groove, convenience is providedfor fixing a music score, and the situation that pages of the music score are automatically turned during wind blowing is avoided.

The invention relates to the technical field of barrier gate design, and discloses a barrier gate assembly facilitating advertising board installation, which comprises a barrier gate box, a barrier gate rod and a billboard positioned on the barrier gate rod, connecting rods are arranged on both sides of the barrier gate rod, and the extending direction of the connecting rods is perpendicular to the extending direction of the barrier gate rod; a dovetail sliding groove with the extending direction parallel to the extending direction of the connecting rod is formed in the connecting rod, a dovetail sliding block used for being detachably connected with the end of the advertising board is embedded in the dovetail sliding groove, and a connecting block is arranged at the position, located in the dovetail sliding groove, of the lower end of the connecting rod. A reset spring with one end connected with the dovetail sliding block and the other end connected with the connecting block is arranged in the dovetail sliding groove, a stepping motor is arranged in the middle of the barrier gate rod, a rotating arm is connected to an output shaft of the stepping motor, and a roller abutting against the lower side of the advertising board is rotationally connected to the end, away from the stepping motor, of the rotating arm.

The invention discloses a multimedia teaching frame for the mobile information technology. The multimedia teaching frame comprises a supporting plate and a supporting frame used for supporting the supporting plate. A display and a writing board are arranged in the supporting frame. The supporting plate is hinged to a connecting base. The supporting frame comprises a base and a lifting device fixedly connected with the base. The lifting device is provided with a connector. The base is provided with an installing groove and a storage battery. The storage battery is provided with a charging wire. The storage battery further comprises a movable winding post and a fixed winding post. One end of the charging wire is connected with the storage battery, and the other end of the charging wire sequentially winds around the fixed winding post and the movable winding post in an S-shaped manner to stretch out of the base and is provided with a wire clamp. The base is provided with a first sliding groove adapting to the movable winding post. The multimedia teaching frame has the beneficial effects that the supporting plate can contain a textbook when a teacher explains the knowledge of the textbook, and the teacher can display the teaching content to students when using a multimedia tool for teaching.

The invention discloses an LED device, a fabrication method thereof and a display panel. The LED device comprises a device structure layer, wherein the device structure layer comprises a first semiconductor layer, a light-emitting functional layer and a second semiconductor layer which are sequentially arranged, the LED device also comprises a light-emitting layer, and the light-emitting layer isarranged on a peripheral side surface of the device structure layer. The display panel comprises a transparent first substrate and a plurality of LED devices, wherein the plurality of LED devices arearranged on the first substrate, and light can be emitted simultaneously from a top surface and a bottom surface of each LED device; with the arrangement of the light-emitting layer, the light giving-out brightness of the top surface and the bottom surface of the LED device is further improved, thus, the display panel proposed by the embodiment is a transparent display panel and has relatively high transmittance, and the requirement of a user on the transmittance of the display panel can be met.

The invention relates to the technical field of puncture needle brackets, in particular to a deep vein puncture needle adjustment and fixing bracket for anesthesia, comprising a rectangular frame, two U-shaped frames are symmetrically fixed on both sides of the rectangular frame, and both U-shaped frames are bound and fixed inside There are binding straps, the two sides of the rectangular frame are provided with a lateral tensioning mechanism for tensioning the skin, and two support rods are symmetrically connected on the top surface of the rectangular frame. There is a semicircular guide ring, both ends of the guide ring are fixed on the top surface of the rectangular frame, and an elastic positioning mechanism for temporarily fixing the support rod on the guide ring is arranged inside the support rod; The mechanism tensions the skin at the puncture site to make the loose skin tight, which is helpful for doctors to see the meridians at the puncture site, facilitates puncture, and stably clamps and fixes the needle tube without manual support for the needle tube, which is conducive to puncture operate.

The invention discloses a protective shell for a charging pile of a new energy vehicle, which includes a shell, on which a support block is connected, and a shaft is connected to a bearing between the support blocks, and the shaft runs through the support tube and the connection block. And the support tube is arranged between the connecting blocks, the support tube is connected to the housing, and the inner side of the support tube is connected to the shaft through a torsion spring, and the torsion spring is nested on the outside of the shaft, and the connection block is connected on the cover. The protective shell of the new energy vehicle charging pile can be easily disassembled and assembled quickly, thereby improving the efficiency of the staff in installing the protective shell of the new energy vehicle charging pile, which is conducive to the popularization of the protective shell of the new energy vehicle charging pile, and the new energy The protective shell of the car charging pile can easily block the sun, which is helpful for users to see the content on the display screen of the new energy charging pile under strong sunlight, and can facilitate users to use the emergency stop function on the new energy charging pile, which is conducive to ensuring the safety of new energy. Safe use of charging piles.

The invention discloses a fire scene smoke eliminator capable of effectively eliminating dense smoke generated in a fire scene and a smoke eliminating system capable of providing a large amount of fresh air for an escaping people. The fire scene smoke eliminator comprises a smoke sensing switch (1), a battery high-voltage direct-current power supply (2), a smoke suction fan (5), a square-type smoke eliminating chamber (6) and a pipe-type smoke eliminating chamber (7), wherein the square-type smoke eliminating chamber (6) is internally provided with at least one layer of cross corona wire net (8); the pipe-type smoke eliminating chamber (7) is internally provided with a cross corona wire net (9); the cross corona wire net (8) and the cross corona wire net (9) are both communicated with thenegative pole of the battery high-voltage direct-current power supply (2); and the upper and the lower metal sheets of the square-type smoke eliminating chamber (6) and the pipe wall of the pipe-typesmoke eliminating chamber (7) are communicated with the positive pole of the battery high-voltage direct-current power supply (2). The smoke eliminating system also comprises a large-power exhaust fan. The smoke eliminator and smoke eliminating system provided by the invention can be widely applied to the field of fire scene smoke elimination.

The invention discloses an on-line monitoring system and monitoring method for material overflow glue, which is used to solve the existing problem of low efficiency and easy occurrence of missed detection by using manual off-line mode to observe product appearance under a magnifying glass and judge and sort by human eyes; The present invention collects four overflowing glue pictures around the component through the overflowing glue collection module, and then analyzes the four overflowing glue pictures through the overflowing glue analysis module to obtain the amount of glue overflowing, and the overflowing glue analysis module calculates the amount of glue overflowing and the four overflowing glue pictures Send it to the overflow glue display screen for display, so as to collect and analyze the overflow glue around the component through the overflow glue collection module. At the same time, the overflow glue around the component is cleared to improve production efficiency. Analyze and adjust the size of the font displayed by the display analysis unit accordingly, so that the overflowing glue display screen can adjust the display size according to the distance of the staff, and help the staff see clearly the content displayed on the overflowing glue display screen.

The invention discloses a peep-proof plate for ATM machine keys, and the peep-proof plate comprises a peep-proof plate and a housing (2). The peep-proof plate is fixed at the upper part of the housing (2), and is located exactly above the ATM machine keys. The housing (2) is made of a square lightproof material. The peep-proof plate comprises a nonopaque panel (1) with the thickness of 3-8mm and an acrylic thick plate (4) with the thickness of 10-60mm. The panel (1) is attached to the upper surface of the acrylic thick plate (4), and at least ten lightproof films (3) which are arranged in a parallel manner at uniform intervals are embedded in the direction perpendicular to the acrylic thick plate (4), wherein the intervals between the lightproof films (3) is 3-8mm. The arrangement direction of the lightproof films (3) is parallel to the eyes of an operator, and the thickness of each lightproof film (3) is 0.1-0.5mm. According to the embodiment of the invention, the peep-proof plate enables the operator to be able to clearly see the ATM machine keys without obstacles in the vertical direction, also completely blocks the peep of the finger movements of the operator in other directions, is simple in structure, is low in manufacturing cost, and is very good in application prospect.