51results about How to "Short path length" patented technology

An apparatus and method for plasma enhanced monolayer (PEM) processing, wherein excited species from a non-condensable gas plasma are delivered to a substrate surface during the reaction of a chemical precursor with a previously chemisorbed monolayer on the substrate surface; the excited species lower the activation energy of the monolayer formation reaction and also modulate the film properties. In preferred embodiments a process reactor has linear injectors arranged diametrically above a substrate and reactive gases are sequentially injected onto the substrate surface while it is being rotated. The reactor can be operated in pulse precursor and pulsed plasma, constant precursor and constant plasma modes, or a combination thereof.

PCT No. PCT/US95/13325 Sec. 371 Date Sep. 28, 1997 Sec. 102(e) Date Sep. 28, 1997 PCT Filed Oct. 10, 1995 PCT Pub. No. WO96/12316 PCT Pub. Date Apr. 25, 1996Fuel cell stacks comprising stacked separator/membrane electrode assembly fuel cells in which the separators comprise a series of thin sheet platelets, having individually configured serpentine micro-channel reactant gas humidification active areas and cooling fields therein. The individual platelets are stacked with coordinate features aligned in contact with adjacent platelets and bonded to form a monolithic separator. Post-bonding processing includes passivation, such as nitriding. Preferred platelet material is 4-25 mil Ti, in which the features, serpentine channels, tabs, lands, vias, manifolds and holes, are formed by chemical and laser etching, cutting, pressing or embossing, with combinations of depth and through etching preferred. The platelet manufacturing process is continuous and fast. By employing CAD based platelet design and photolithography, rapid change in feature design can accommodate a wide range of thermal management and humidification techniques. One hundred H2-O2/PEM fuel cell stacks of this IFMT platelet design will exhibit outputs on the order of 0.75 kW/kg, some 3-6 times greater than the current graphite plate PEM stacks.

An optical spectroscopy apparatus determines the concentration of analyte in a specimen that utilizes a single radiation source which is hybrid laser comprising a semiconductor pump laser and small-cavity rare earth fiber laser where laser cavities of both lasers are butt coupled or otherwise optically coupled to form a plurality of laser cavities that produce a plurality of emission wavelengths, one which may be the pump laser emission wavelength at the output of the fiber laser thereby forming a multi-wavelength combined output where the wavelengths substantially match distinguishing spectral characteristic features along at least a portion of a characteristic optical spectrum of the analyte under examination. In lieu of complex data analysis of these wavelengths to determine values representing the concentration of the analyte in an examined specimen, the semiconductor pump laser or lasers are modulated as a plurality of tone frequencies, where at least a first of the modulation frequencies is below the maximum frequency response of the fiber laser so that the first modulation effectively modulates the pump emission wavelength and a first emission wavelength of the fiber laser in the hybrid laser combined output, and at least a second of modulation frequencies is above the maximum frequency response of the fiber laser so that the second modulation effectively modulates the pump emission wavelength but not the first emission wavelength of the fiber laser in the hybrid laser combined output. Further, one or more additional modulation frequencies may be applied to the pump laser which are intermediate of the first and second modulation frequencies where it is at least responsive to at least one further emission wavelength of the fiber laser and also provided in the hybrid laser combined output.

A parabolic primary mirror (10) has a concave specular surface (12) that is constructed and positioned to receive solar energy and focus it towards a focal point. A secondary mirror (14) having a convex specular surface (16) is constructed and positioned to receive focused solar energy from the primary mirror and focus it onto an annular receiver (18). The annular receiver (18) may include an annular array of optical elements (100) constructed to receive solar energy from the secondary specular surface (14) and focus it onto a ring of discreet areas. A ring of solar-to-electrical conversion units are positioned on the ring of discreet areas. A sun sensor that allows accurate solar tracking to keep mirror system aligned with the sun.

The invention discloses a path planning method for a foot-type robot. An improved A* algorithm and a self-adaptive DWA algorithm are utilized to plan a reasonable path of robot motion, one characteristic of the improved A * algorithm is as follows, as long as a passable path from a starting point to a target point exists in the environment, the method can always be successfully searched. Comparedwith other local path algorithms, the method has very outstanding advantages, the thought of the fusion algorithm adopted by the method is to perform global path planning by using the characteristic,and then perform real-time local planning in combination with the adaptive DWA, so a final path is close to global optimum and has better dynamic adaptive capacity at the same time.

The network architecture comprises: a number management domain, a number current domain and a number settling-in domain. Each of the number management domain, number current domain and number settling-in domain respectively comprises: an IMS calling processing net element comprising CSCF, BGCF, MGCF, IBCF or the IMS network calling processing node that will be defined by standardization organization; a number carrying database with DNS access interface used for storing the data of users in the domain and the emigration domain check list of user emigrating to other domain; an IMS home subscription user server used for saving the active number resource of the domain where it is located at.

A method for making flat glass of good quality by rolling is described, in which a gas cushion is formed between the upper shaping roller and the glass sheet and contact between the lower shaping roller and the glass sheet is limited to a width of from 5 to 30 mm. The resulting flat glass has an upper surface quality that is nearly that of a fire-polished glass surface, while the lower surface has an improved quality that is better than that obtained by the prior art method. Furthermore it is advantageous that the method does not require an increase in the length of the cooling path following the rollers.

The invention discloses a touch control display panel and a manufacture method thereof. The touch control display panel comprises a circuit board, a display panel, a touch control panel, a first conductive adhesive and a second conductive adhesive, wherein the display panel is electrically connected with the circuit board; the touch control panel is electrically connected with the circuit board and comprises a base plate and a plurality of signal lines; the base plate comprises a plurality of first signal joint pads and a plurality of second signal joint pads; the first signal joint pads correspond to the first side edge of the base plate, and the second signal joint pads correspond to the second side edge of the base plate; the signal lines are arranged at the base plate and used for transmitting touch control signals; each signal line is electrically connected with one of the first signal joint pads or one of the second signal joint pads; and the first conductive adhesive is electrically connected with the first signal joint pad and the circuit board; and the second conductive adhesive is electrically connected with the second signal joint pad and the circuit board.

A printing apparatus is provided with a heater for heating ink and a cooler for cooling ink, and comprises: an ink circulation route including a heater side route and a cooler side route which are separately provided through the heater and the cooler respectively; a switch mechanism operable to switch the ink circulation route between the heater side route and the cooler side route; and a control unit operable to control the switch mechanism. The control unit controls the switch mechanism to switch the ink circulation route to the heater side route when the ink temperature is lower than a first reference temperature, and switch the ink circulation route to the cooler side route when the ink temperature is no lower than the first reference temperature. By this configuration, the ink heating efficiency can be improved.

The invention provides a navigation path planning method based on area segmentation and a computer readable storage medium. The navigation path planning method based on area segmentation comprises thefollowing steps of acquiring an area planned in a golf course, averagely dividing the planned area into an upper area and a lower area; carrying out path pre-planning in each area by adopting a PRM algorithm; finding a target upper feasible point and a target lower feasible point, determining a target upper path and a target lower path, and connecting the target upper feasible point and the target lower feasible point according to a second preset rule to obtain a target middle path; taking the paths of the target upper path, the target middle path and the target lower path as the first targetpaths, and guaranteeing that no obstacle exists on the first target paths, thereby completing the preliminary path planning of a golf cart. According to the present invention, the planning time is shortened to a certain extent, the planned path length is shortened, the number of path nodes is reduced, and the golf ball collecting efficiency is improved.

The invention relates to a UUV route planning method with necessary points under the obstacle environment, belongs to the UUV control technology field and aims to realize the shortest path as UUV starts from a laying point, traverses all the necessary points and then returns to a recovery point. According to the method, under the obstacle environment, estimated route distances between the UUV laying point and the recovery point and between every two of the necessary points are calculated; the laying point is taken as the start point, the recovery point is taken as the terminal point, the sequence of the UUV traversing all the necessary points is planned through a TSP algorithm, the total estimated path of the UUV starting from the laying point, traversing all the necessary point and returning to the recovery point is made to be shortest; after optimization, the route can be acquired on the condition that the total estimated path of the UUV starting from the laying point, traversing all the necessary point, returning to the recovery point and can further avoid all obstacles is shortest. Path cost between two necessary points can be estimated through geometric determination, an ant colony algorithm is further utilized to plan a TSP scheme on the basis of the estimation cost, namely the necessary point traversing sequence, a variable sub goal point ant colony is further utilized to plane a route capable of realizing obstacle avoidance.

Fluorescent lamps that comprise a glass envelope with an exterior surface and first and second electrodes located within the glass envelope include a transparent electrically conductive material affixed to the exterior surface of the glass envelope. The transparent electrically conductive material extends between the vicinity of the first electrode and the vicinity of the second electrode, thereby providing a path for an electric current to pass between the first and second electrodes and reduce the open circuit voltage required to start the fluorescent lamp. The transparent electrically conductive material affixed to the exterior surface of the glass envelope can comprise one or more stripes of the material so that less than the total exterior surface area of the glass envelope is covered by the transparent electrically conductive material.

The invention relates to the relative technical filed of electric power optical fiber communication networks, in particular to a method and a device of route wavelength allocation of an electric power optical fiber communication network. The method of the electric power optical fiber communication network includes that service connection distribution requests are responded; multilevel interconnection virtual topological graphs are constructed according to physical topologies of the electric power optical fiber communication network, supported wavelength amount, destination nodes and originating nodes; route wavelength allocation initial disaggregation which conducts the route wavelength allocation to service of the destination nodes and the originating nodes are calculated according to available optical channel numbers and path lengths on links of the physical topologies of the electric power optical fiber communication network; a optimum solution is obtained form the route wavelength allocation initial disaggregation; and the route wavelength allocation is conducted to the service of the destination nodes and the originating nodes according to the optimum solution. According to the method and the device of the electric power optical fiber communication network, a route wavelength allocation problem is solved in one time through a dynamic routing and wavelength joint distribution method by utilizing of a wavelength multilevel interconnection virtual topological graph model.

An RF switch useable up to millimeter wave frequencies and higher frequencies of 30 GHz and above. Four embodiments of the invention are configured as ground switches. Two of the ground switch embodiments are configured with a planar air bridge. Both of these embodiments are configured so that the bridge length is shortened between the transmission line and ground by introducing grounded stops. The other two ground switch embodiments include an elevated metal seesaw. In these embodiments, a shortened path to ground is provided with relatively low inductance by proper sizing and positioning of the seesaw structure. Lastly, broadband power switch embodiment is configured to utilize only a small portion of the air bridge to carry the signal. The relatively short path length results in a relatively low inductance and resistance lowers the RF power loss of the switch, thereby increasing the RF power handling capability of the switch.

The method relates to particle separation from a feed stream. The feed stream is injected directly into the froth zone of a vertical flotation column in the presence of a counter-current reflux stream. A froth breaker generates a reflux stream and a concentrate stream, and the reflux stream is injected into the froth zone to mix with the interstitial liquid between bubbles in the froth zone. Counter-current flow between the plurality of bubbles and the interstitial liquid facilitates the attachment of higher hydrophobicity particles to bubble surfaces as lower hydrophobicity particles detach. The height of the feed stream injection and the reflux ratio may be varied in order to optimize the concentrate or tailing stream recoveries desired based on existing operating conditions.

According to the invention, an unmanned aerial vehicle path planning algorithm based on an improved A* algorithm is adopted to optimize a motion path, the actual motion path track length is reduced byamplifying, refining and other operations on the path track, and the purpose of reducing the path length is achieved. The method comprises the following specific steps of: firstly, generating a simulated environment map, modeling according to information of a motion scene of an unmanned aerial vehicle, and generating the simulated environment map to be executed; secondly, determining a path track, establishing a starting point and a target point of the movement of the unmanned aerial vehicle, connecting the routes passed by the unmanned aerial vehicle, and determining a path track; thirdly, carrying out feature selection, and carrying out arc replacement on the periphery of the included angle of two tracks with a certain angle when the direction of the determined path track is changed; and finally, connecting newly generated paths, and connecting part of the replaced paths with the original unchanged paths to obtain an improved new path.