35results about How to "Increase the number of lines" patented technology

A device and method for forming a tubular braid comprising a plurality of filaments. The braiding machine comprises a disc with a mandrel extending from the center in a perpendicular direction and a plurality of catch mechanisms arranged circumferentially around the edge of the disc. A plurality of filaments are temporarily affixed to the mandrel, each filament extending from the mandrel toward the edge of the disc and engaging the edge of the disc at a discrete point of engagement The plurality of catch mechanisms are attached to actuators adapted to move the catch mechanisms in a generally radial direction relative to the edge of the disc to allow the catch mechanism to engage a subset of the filaments and move the engaged filaments beyond the circumferential edge of the disc.

The invention discloses a method for cultivating spring corn in hilly region wherein breeds, seeding date, density, mulch film blanketing and mulch film nursery sock grow transplanting, fertilizer application are considered for increasing maize production, experimental investigation and demonstration application are conducted to spread the fine breeds suitable for the Wuling Mountains which have the advantages of late ripening, medium late ripening, big ear, medium-sized to large ear.

The invention relates to a method for forming a grating for machine tool measurement in a two-step solidifying rolling pressing forming manner, which comprises the following steps: 1) coating an ultraviolet light solidifying adhesive layer on a grating blank substrate; 2) manufacturing a rolling mould having a prototype grating structure on the surface of a cylindrical mould, making an alignment mark, and polishing and performing low surface energy treatment on the surface of the rolling mould; 3) coating a flexible film on the adhesive layer on the grating blank substrate, carrying out primary exposure and peeling the film; 4) comparing the alignment mark on the grating blank substrate with an acquired alignment mark image on the surface of the rolling mould, adjusting and calibrating; 5) gluing the rolling mould with the grating, applying a pressing force, and compounding the prototype grating structure on the surface of rolling mould on the adhesive layer on the surface of the substrate; 6) carrying out exposure on the compounded ultraviolet light solidifying adhesive layer; and 7) collecting and packaging the grating. According to the method, the required pressing force is small, and thus, the substrate deformation and stress concentration are avoided. The method has high production efficiency and can be used for realizing the mass production of the grating for large-area and altitude machine tool measurement.

The invention is a distribution method integrating the integrated circuit distribution plan and the buffer plan, the invention belongs to computer aided design for integrated circuit field. The character lies in: it introduces the feasible area calculation when the buffer is inserted in, and simplifies the complexity of the buffer distribution through distribution of the blank area in the plan result, the design is carried on pointing to the solution procedure to the simulated quenching by the buffer distribution, the distribution of the buffer is integrated in the solution of the distribution plan. The buffer distribution is leaded in the optimization process of the wiring plan, realizes the optimization to the delay performance.

The embodiment of the invention discloses a laser radar and a laser radar control method. The laser radar comprises a plurality of laser emitting plates for emitting emergent laser; and preset angles are formed between the plurality of laser emitting plates and a horizontal plane. Two or more than two laser emission units are arranged at each laser emitting plate. Therefore, the vertical resolution of the laser radar can be improved.

The invention provides a lenticular grating based LED stereoscopic display screen device with a great many of viewpoints. The display screen device comprises an LED planar display screen and human-eye watching viewpoints, an arc lenticular grating is arranged between the LED planar display screen and human-eye watching viewpoints, the LED planar display screen is arranged along the axis x and symmetric by taking the axis x as the center, the vertex of a cylindrical lens of the intermediate arc lenticular grating is positioned in the coordinate origin, an image side of the LED planar display screen is positioned in the focal plane of the cylindrical lens of the arc lenticular grating, the width of sub-pixel is t, the lenticular thickens of the arc lenticular grating is d, distance between the cylindrical lens of the arc lenticular grating and the LED planar display screen is s, the human-eye watching viewpoints are positioned in positions whose distance to the cylindrical lens of the arc lenticular grating is L, and the distance between the eyes is set as e. A 3D structure with a static effect as well as a 3D image with a dynamic effect can be realized.

The invention discloses a rotating mirror unit suitable for a laser radar. The rotating mirror unit comprises a polyhedral rotating mirror part which is provided with an even number of reflecting surfaces forming a polygon in an enclosing manner, and is used for changing an angle of a light beam incident on the reflecting surfaces, a motor configured to drive the polyhedral rotating mirror part torotate around the axis of the polyhedral rotating mirror part, wherein each reflective surface includes an upper portion and a lower portion separated by a light blocking region. The rotating mirrorunit is advantaged in that the height of the rotating mirror type laser radar is reduced, the size of the laser radar is reduced, and scanning precision and the scanning quality of the laser radar areimproved.

The embodiment of the invention discloses a multi-line laser radar system and a control method thereof. The multi-line laser radar comprises at least two multi-line laser radars; and emitting angles of emitted laser of the at least two multi-line laser radars are staggered. In addition, the control method of the multi-line laser radar system includes: emitting angles of emitted laser of the at least two multi-line laser radars are staggered. Therefore, the vertical resolution during the scanning process of the multi-line laser radar system can be improved.

The invention relates to a structure and a manufacturing method of a packaged base plate. The packaged base plate comprises a base plate body, a welding preventing layer and metal projections, wherein the base plate body is provided with a circuit layer on the surface, the circuit layer is provided with a plurality of electrically connected pads of which the planes are prolate so as to improve the flexibility of circuit distribution space; the welding preventing layer covers the base plate body and is provided with a plurality of open pores corresponding to the electrically connected pads, wherein the plane shapes of the open pores of the welding preventing layer are prolate; and the metal projections are matched with the open pores in the welding preventing layer and correspond to the electrically connected pads. When used for manufacturing the packaged base plate of a multilayer plate, the invention can reduce the layers of a circuit layer increasing structure of the multilayer plate because the distributed circuits can be increased in the space between two adjacent electrically connected pads, thereby lowering the manufacturing cost.

A buffer planning method based on the relocation of empty areas includes finding out the relative number of buffers and the number of wire-meshes according to wire-mesh delay restriction, modifying the distribution of empty areas by iterating several times, updating the associated wire-mesh information, recalculating the number of wire mashes for meeting the delay restriction, and replacing original distribution of empty areas.

The embodiment of the invention discloses a method for manufacturing an anti-counterfeiting photoetching film tape, which comprises the following steps: S1, drawing a design drawing; S2, setting the number of alignment lines of the photoetching machine to be 2200-2600, and photoetching a design drawing on a glass plate; S3, spraying silver on the glass plate, electroforming and copying to obtain ametal nickel plate; S4, recopying the metal nickel plate to obtain a working plate unit, and splicing a plurality of working plate units to obtain a working plate; and S5, copying the pattern mirrorimage on the working plate onto the thin film material through high temperature and high pressure to obtain the anti-counterfeiting photoetching film tape. Compared with the prior art, the manufacturing method of the anti-counterfeiting photoetching film tape has the following beneficial effects that as the surface of the photoetching film tape is lost by about 20 percent in each copying, the manufacturing method of the anti-counterfeiting photoetching film tape improves the alignment number of the photoetching machine during photoetching, so that the manufactured original photoetching film strip reaches the imaging limit; and if the original photoetching film strip is copied again to forge the photoetching film strip, the pattern on the surface part of the original photoetching film stripis lost, and the function of preventing the photoetching film from being forged is realized.

The invention discloses a laser radar scanning system based on AWG, wherein the system comprises a transverse rotating platform and a longitudinal scanning mechanism arranged on the transverse rotating platform; the longitudinal scanning mechanism comprises an AWG and a collimator, the AWG is a passive device, and the device is small in size, easy to integrate, light in weight and convenient to rotate; the transverse rotating platform is small in rotational inertia, high-speed rotation can be achieved conveniently, and the rotating service life is long; the transverse scanning of a laser radar is determined by mechanical rotation, the transverse resolution ratio is high, the longitudinal resolution ratio is determined by the AWG, and the resolution ratio can be further improved by adding optical switch multiplexing in front of or behind the AWG; the laser radar can realize cheap and large-scale deployment through component reuse; and the laser radar can increase the number of lines by increasing the number of DFB arrays or the number of tunable laser wavelengths.

The invention relates to a jacquard pulley mechanism. The jacquard pulley mechanism comprises an upper cover plate, a lower cover plate, a support and rollers, wherein the upper cover plate is matched with the lower cover plate, and the rollers are positioned between the lower cover plate and the support. Compared with the prior art, the jacquard pulley mechanism has the following advantages and effects that a large amount of space can be saved, more pulley mechanisms can be arranged in the same size, and more heddles can also be arranged, so that the wire number of a jacquard can be increased, and the economical benefit is increased; the whole pulley mechanism comprises four components, so that the integration degree is very high; the components are reduced, so that the space is saved, and the rollers of the large diameter can be selected; the rollers of the large diameter have the advantages that the rolling effect is good, stronger loads can be born, and a high-speed effect can be fitted.