60results about How to "Large offset" patented technology

An electronic device which includes a first stage having an input capacitance, a switch, a buffer and a second stage having an input sensitive to charge injection and / or voltage glitches. An input of the buffer and the input of the second stage are coupled together at a first node which is configured to be coupled to a voltage source for supplying a reference voltage to the input of the first stage having the input capacitance. In a first configuration of the switch, the switch is arranged to either connect the input of the first stage to the first node and to disconnect the input of the first stage from an output of the buffer. In a second configuration of the switch, to connect the input of the first stage to the output of the buffer and to disconnect the input of the first stage from the first node.

The invention discloses an ultra-short-focus projection lens, and belongs to the technical field of projection. The ultra-short-focus projection lens comprises a refractor group and a reflector group. After an image beam passes through the refractor group, the first imaging is carried out between the refractor group and the reflector group, and is reflected by the reflector group to a projection screen to form second imaging. The refractor group comprises a first lens group and a second lens group, wherein the first and second lens groups are respectively provided with two aspherical lenses. The reflector group comprises a first reflector which is disposed behind the second lens group. The refractor group and the reflector group are located on the same primary optical axis. The offset of an image formed by the second imaging relative to the primary optical axis is 140%-150%. The projection lens provided by the invention can achieve the projection of a short-focus large-size image, has a better capability of aberration correction, and can improve the projection imaging quality.

An overhead storage assembly, vendable as a kit, includes a plurality of panels each of a rectangular platform having dimensions that are integer multiples of conventional structural spacing. The panels may be joined to each other to form a common support surface resting on a plurality of transverse support pieces connected at the ends to hanger assemblies that are attached to the overhead structure of a building. Each panel includes a first plurality of parallel elongate elements and a second plurality of elongate elements aligned perpendicular to the first plurality of parallel elements. Each panel, moreover, may include closely paired elongate elements near a longitudinal edge to increase the sectional stiffness of the panel and to facilitate releasable connection of the panels to the traverse support pieces and hanger assemblies. The hanger assemblies may comprise matching upper and lower straps that are secured to each other at selected suspension lengths.

A method for designing gas turbine engine components using a coupled parametric analysis of part geometry and flow control is disclosed. Included are the steps of parametrically defining the geometry of the duct wall shape, parametrically defining one or more flow control actuators in the duct wall, measuring a plurality of performance parameters or metrics (e.g., flow characteristics) of the duct and comparing the results of the measurement with desired or target parameters, and selecting the optimal duct geometry and flow control for at least a portion of the duct, the selection process including evaluating the plurality of performance metrics in a pareto analysis. The use of this method in the design of inter-turbine transition ducts, serpentine ducts, inlets, diffusers, and similar components provides a design which reduces pressure losses and flow profile distortions.

The invention discloses an image segmentation method and device. The image segmentation method and device are used for solving the problem that the prior art is difficult to confirm whether objects in the same scene belongs to the same object. The image segmentation method includes that carrying out pre-segmentation treatment on a colored image, and confirming all the segmented object blocks in the colored image; confirming the depth value of each segmented object block according to a depth image which is located in the same scene with the colored image; confirming the segmented object blocks with the same depth value in the segmented object blocks; when the positions of the segmented object blocks with the same depth value in the depth image meet a set condition, confirming that the segmented object blocks with the same depth value belong to the same object. The image segmentation method is capable of improving the precision of a colored image object segmentation method.

The present invention is a modified ball joint assembly for attachment to a steering knuckle made up of a body and a spacer. The body includes a ball joint at one end, a set of attachment openings at the other end, and a variably spaced segment between the ends. The spacer inserts into a void in the lower control arm of the vehicle, and includes a plurality of complementary attachment openings for use in attaching the body and the spacer to the lower control arm. The modified ball joint assembly lowers the position of the lower control arm of the vehicle relative to the steering knuckle thereby lowering the ride height of a vehicle a desired amount without requiring the removal of or modification of the steering knuckle. The present invention allows the factory-supplied steering knuckle and tires to be used, providing a considerable cost savings to the end user. The ball joint assembly of the present invention may be used to lower the vehicle chassis on vehicles where the steering knuckles is of the large-bore “live” wheel hubs, including four-wheel drive trucks.

A single reflective light valve projection device comprising a non-telecentric lighting system, a projection lens and a reflective light valve is provided. The non-telecentric lighting system comprises a light source and a lens. The light source provides a light beam. The lens is disposed in the transmission path of the light beam. The projection lens is disposed behind the lens and in the transmission path of the light beam. The reflective light valve is disposed between the lens of the non-telecentric lighting system and the projection lens and in the transmission path of the light beam. The reflective light valve comprises many horizontally aligned rows of pixels. A line joining the center of the projection lens to the center of the lens forms an angle smaller than π / 4 with respect to a horizontal line to provide side projection in the horizontal direction.

The invention discloses an accurate calibration method of the film coating rate and application of the accurate calibration method. The accurate calibration method of the film coating rate includes the following steps of preparing a standard substrate composed of a liner and an interference film, wherein a preparation method includes the step of leading in a layer of interference film which is enough to form interference on the liner, measuring the transmission spectrum or the reflectance spectrum of the standard substrate, coating the film to be tested on the standard substrate for a while, measuring the transmission spectrum or the reflectance spectrum of the standard substrate coated with the film, comparing the transmission spectrum or the reflectance spectrum of the standard substrate to be coated with the film and that of the standard substrate coated with the film, and calculating the depth of the coated film according to the variation quantity the peak position so as to work out the film coating rate. According to the accurate calibration method of the film coating rate, a layer of interference film sufficient to form the interference is led in on the liner in advance, on the basis, just the very thin film to be tested is coated on the standard substrate, and obvious shift of the interference peak position can be caused. Therefore, the intensity change from the prior transmission spectrum to the late transmission spectrum is higher than that of a traditional method that a film to be tested is directly coated on the liner. Calibration precision can be obviously improved. The accurate calibration method of the film coating rate is very appropriate for online testing and real-time monitoring, and especially suitable for accurate calibration of ultra low film coating rate.

An electronic component mounting apparatus improves the quality of a substrate on which electronic components are mounted according to a state change of an electronic component held by a suction nozzle. In the electronic component mounting apparatus (1), after the suction nozzle (6a) holds the electronic component (D), at a plurality of timings while the loading head (6) having the suction nozzle (6a) moves relative to the substrate (P) , compare the postures of the electronic components (D) in multiple timings detected by the laser recognition unit (5), and obtain component comparison data related to the different postures of these electronic components (D), and compare the component comparison data Compare with predetermined benchmark value. When the control unit (10) as the judging unit judges that the component comparison data is greater than or equal to the reference value, the displacement of the electronic component (D) held by the suction nozzle (6a) is large, and it is often loaded on the substrate (P ) on the board (P), a failure occurs, so the operation of loading the electronic component (D) held by the suction nozzle (6a) on the substrate (P) is stopped.

A method for straightening a tube by using an asymmetric roll, which has different diameters D1 (exit side), D2 (entry side) at relative maximum diameter portions, left and right roll shoulder portions, as a straightening roll of a straightener, wherein the roll shoulder having a smaller diameter is disposed to be located on the tube entry side. The straightening roll used therefor comprises roll shoulders 3a and 3b and a roll barrel portion 4, in which D1>D2 and 0.004≦(D1−D2) / d≦0.2 (d: outer diameter of tube to be straightened) are satisfied. Further, an aspect of the invention may define radii of curvatures of entry-side and exit-side shoulder potions in a section of the roll cut along a plane including the roll central axis, or a curve representing an outer surface of the roll barrel portion.

An embodiment of the present application discloses an image processing method and apparatus. One embodiment of the method includes acquiring an object image including an object; Determining at least two sub-images in the target image; For each grid, determining a designated point of the grid, generating a preset number of anchor point boxes of different sizes based on the designated point and an object contained in the target image, wherein the designated point is located at a designated position of each anchor point box to be selected; For each sub-image, clustering the anchor point frames tobe selected of each grid in the sub-image to obtain at least one target anchor point frame; The target anchor box of each sub-image is determined as the anchor box of the sub-image corresponding to the input image of the specified convolution neural network. An embodiment of the present application can determine an anchor frame of each sub-image, thereby improving the accuracy of detecting an object contained in different regions of the image.

The invention discloses a key type bag expanding support. The key type bag expanding support comprises a fixing seat and a telescopic piece, wherein the middle part of the front surface of the fixingseat is provided with a telescopic channel, and the lower side of the telescopic piece is provided with a telescopic plate; the front surface of the fixed seat is provided with a lock catch assembly,the lock catch assembly comprises a key, a transmission piece, a fastener and a spring, the front surface of the fixed seat is provided with an inner stud II, the middle of the transmission piece is connected to the inner stud II in a sleeving manner, one end of the key penetrates through a side surface of the fixed seat to be hinged to the lower end of the transmission piece, and the upper end ofthe transmission piece is hinged to the fastener; two opposite end faces of the transmission piece are respectively provided with an anti-falling cone and a clamping cone, the anti-falling cone is inserted into the spring, the upper side of the telescopic channel is provided with a through hole communicated with the inside of the telescopic channel, a plurality of bayonets are uniformly distributed on the left side and / or the right side of the telescopic plate, and the clamping cone is connected with the through hole in a sleeving manner and can be clamped into or taken out of the bayonets ofthe telescopic plate. The clamping cone is transversely clamped in or taken out of the bayonets, elastic force required by the spring is quite small, the key can be pressed down by a user with only one finger, and a person with partial defective fingers can easily use the key type bag expanding support.

The utility model discloses a testing structure for the back drill alignment degree of a 5G circuit board. The testing structure comprises first to nth layers of core plates which are sequentially laminated from top to bottom, wherein n is a natural number, and n is greater than 2. The first to nth layers of core plates further comprise: first to wth testing units, outgoing lines and second testing columns. The first to wth testing units and the outgoing lines are all arranged on the mth core plate, the second testing columns penetrate through the mth core plate, the rth testing unit is connected with the (r + 1) th testing unit through the outgoing lines and the second testing columns are connected with the outgoing lines, wherein r, w and m are all natural numbers, and 0<r<w-1, and 1<m<n. According to the invention, a circuit is designed on the core board on a PCB, and the back drilling offset is detected by testing whether the current passes through a loop line, so, in this way, theback drilling offset of the PCB can be detected on a large scale, the speed is high, the detection amount is large, and the detection efficiency is improved. Meanwhile, an accurate offset range valuecan be provided, and a basis is provided for later adjustment.

An implant is disclosed that has a base member, an articulating member, and a coupling portion that secures the base member to the articulating member. The implant can be a shoulder implant (100, 200, 300) that has a baseplate (102, 230, 310), an articulating component (104, 210), and a fixation component (106, 270, 342). The baseplate includes a first side (110, 234, 314) with a projection (108, 240, 320) that has a first Morse taper and may be offset from a center line of the baseplate and a second side (116, 236, 316) that has a post or stem (114, 250, 330) that is offset from the center line of the baseplate. The articulating component includes a cavity (122, 220) with a second Morse taper that is offset from a center line of the articulating component. The articulating component is attachable to the baseplate when the projection is received in the cavity of the articulation component. A threaded through hole (130, 222) extends from the cavity of the articulating component to a second, convex side or articulating surface (120, 212) thereof. The through hole can be aligned with the cavity. The fixation component (106, 270, 342) can engage the through hole and is contained within a cavity (132, 322, 242) of the baseplate by a spring (138, 262, 360) and a cap (140), a second fixation member (280), or an engagement member (370).

The invention relates to a prestress jacquard guide needle. The prestress jacquard guide needle comprises a piezoelectric vibrator, a guide needle head, a lower positioning block and an upper positioning block, wherein the piezoelectric vibrator comprises an elastic base plate and four piezoelectric ceramics, the elastic base plate comprises a middle cantilever, a side cantilever and a cantilever connecting area, the piezoelectric ceramics are respectively distributed on the upper surface and the lower surface of the side cantilever, the guide needle head is bonded to one side of the cantilever connecting area, the piezoelectric vibrator is fixed by virtue of the upper positioning block and the lower positioning block, the piezoelectric vibrator has reciprocating curved deformation under the effect of the alternating-current voltage, the piezoelectric vibrator drives the guide needle head to move, the deviation of the entire guide needle head is realized, the needle head drives a yarn to move, the prestress jacquard guide needle is greater in deviation amount and greater in output force, and the service life of the jacquard guide needle can be effectively prolonged.

The invention discloses a hybrid IPT coupler with a high anti-offset characteristic. The hybrid IPT coupler comprises a primary side coil LP, a primary side additional coil LA, a secondary side coil LS, a secondary side additional coil LB, a primary side T-type compensation network and a secondary side compensation capacitor CB, and is characterized in that a positive electrode of the primary side coil LP is a primary side input positive electrode of the hybrid IPT coupler; the negative electrode of the primary side coil LP is connected with the positive electrode of the input end of the primary side T-type compensation network, the negative electrode of the input end of the primary side T-type compensation network is the primary side input negative electrode of the hybrid IPT coupler, the output end of the primary side T-type compensation network is connected to the primary side additional coil LA in parallel, the secondary side compensation capacitor CB is connected to the secondary side additional coil LB in parallel, and two ends of the secondary side coil LS are secondary side output ports of the hybrid IPT coupler. According to the hybrid IPT coupler, polarity requirements of MPS, MAB and MSB are met by designing the primary side T-type compensation network structure, the requirement for BP pad coil mutual inductance parameter design is not high, and equivalent self-inductance and small mutual inductance coefficient fluctuation of the coupler can be achieved under large offset.

The invention discloses a prefabricated municipal engineering isolation belt, and relates to the technical field of municipal engineering and comprises a road barrier body, a sliding rail is arrangedon the upper surface of the road barrier body, two limiting grooves are formed in each of two sides of the upper surface of the road barrier body, a sliding seat is slidably connected to the upper portion of the sliding rail, a greening box is fixedly connected to the upper portion of the sliding seat, and a photovoltaic power generation panel is fixedly connected to the inner bottom wall of the greening box. The sliding seat is arranged; the isolation piers are prevented from generating large offset after being subjected to external force; the connection stability between the two isolation piers is improved; a plurality of photovoltaic power generation panels are arranged; the road condition identification degree of a driver during driving is improved, traffic accidents caused by seriousglare are avoided, the identification degree is prevented from being reduced due to abrasion by arranging the reflective marking belt and the warning belt, the driver can conveniently observe the outline of the road barrier, emergency fire-fighting assistance is provided by arranging the telescopic pipe and the water spraying gun, and losses are reduced.

A micro-actuator used on magnetic head folding-plate assembly is prepared as forming support frame by a horizontal beam and interval body set at one end of said horizontal beam, arranging piezoelectric element at side of said horizontal beam, generating deflection movement by said horizontal beam when piezoelectric element is excited. The magnetic disc driving device applying said micro-actuator is also disclosed.

An offset coupling includes a first coupling disc, a second coupling disc, and a multi-link structure. The first coupling disc includes a first pivoting portion, a second pivoting portion, and a third pivoting portion surround a first central axis. The second coupling disc includes a fourth pivoting portion, a fifth pivoting portion, and a sixth pivoting portion surround a second central axis. The multi-link structure includes a first linkage group, a second linkage group, and a third linkage group, two first cranks of the first linkage group are respectively pivotally connected to the first pivoting portion and the fourth pivoting portion, two second cranks of the second linkage group are respectively pivotally connected to the second pivoting portion and the fifth pivoting portion, and two third cranks of the third linkage group are respectively pivotally connected to the third pivoting portion and the sixth pivoting portion.

The invention provides a drilling fluid backflow system for offshore drilling without a marine riser. The drilling fluid backflow system comprises a drilling fluid volume control unit, an open water area drilling rod, a drilling fluid backflow pipeline, a drilling fluid backflow pump installed on the drilling fluid backflow pipeline and a drilling fluid processing device; the drilling fluid volume control unit is directly installed on a well head or above a blowout preventer without the marine riser, and the top of the drilling fluid volume control unit is open towards seawater; the drilling rod extends from a drilling platform through the volume control unit and performs a drilling operation passing through the interior of the volume control unit; the drilling fluid backflow pipeline is connected with the volume control unit through a hose, the drilling fluid backflow pump is sequentially installed on a pipe section in the backflow pipeline in the axial direction and used for pumping drilling fluid flowing into the backflow pipeline from the volume control unit to back to the drilling platform, and the drilling fluid is recycled after being treated by the drilling fluid processing device. The drilling fluid backflow system is not limited by the size and the water depth of a drilling ship, capable of effectively recovering the drilling fluid, and suitable for full-water-depth drilling operation.

The invention relates to an apparatus for preprocessing and subsequently conveying or plasticizing plastics, comprising a container (1) with a mixing and / or comminuting tool (3) that can rotate about a rotational axis (10), wherein an opening (8) is formed in a lateral wall (9) through which the plastic material can be discharged and a conveyor (5) is provided with a screw (6) rotating in a housing (16). The invention is characterized in that the imaginary extension of the longitudinal axis (15) of the conveyor (5) passes by the rotational axis (10) counter the conveying direction (17), wherein the longitudinal axis (15) is on the outlet side offset by a distance (18) in relation to the radial (11) that is parallel to the longitudinal axis (15). The length / diameter ratio of the screw (6) is >= 7, and the effect of compression of the screw (6) starts only at a distance (A) of more than 1.5 times the diameter (d) of the screw (6).

An array substrate includes a gate line, a data line and a plurality of pixel units defined by the gate line and the data line intersecting with each other, which are formed on a base substrate, and each pixel unit includes a thin film transistor. The farther the thin film transistor is away from a gate driver side of the array substrate, the more likely an overlapping area between an active layer and a source electrode of the thin film transistor shows an increasing trend. By changing the overlapping area between the active layer and the source electrode, a dielectric constant between a gate electrode and the source electrode increases to enlarge a gate-source capacitance Cgs, leading to an increase of ΔVp; as a result, a common electrode voltage tends to be stable, thus avoiding crosstalk at the time of displaying.