207results about How to "Efficient matching" patented technology

A dielectric antenna is provided for a high frequency wireless communication apparatus. The antenna includes a dielectric substrate and a conductive meander line layer formed on the dielectric substrate. A conductive feed line layer, having a greater line width than the width of the meander line layer, is also formed on the dielectric substrate. A conductive taper layer connects the conductive meander line layer to the conductive feed line layer. An edge of the conductive taper layer slants at an angle from an adjacent edge of the conductive feed line layer in a direction toward the conductive meander line layer.

A wavelength conversion chip is formed by depositing a wavelength conversion material layer on a substrate, segmenting the wavelength conversion layer into a plurality of wavelength conversion chips, and then removing the wavelength conversion chips from the substrate. The wavelength conversion of the chips can be increased by thermal annealing or radiation annealing of the wavelength conversion material. Optical coatings or light extraction elements can be fabricated on the wavelength conversion layer.

The invention discloses an self-adaptive LED fluorescent lamp, comprising: a housing comprising a lampshade and a radiator fastened with each other, a Printed Circuit Board (PCB) consisting of one or more LED lamp sets and LED driving control units, and lamp caps sleeved on two sides of the housing; the LED driving control unit comprises a voltage detection module, an intelligent switching module and a linear constant current module; the voltage detection module comprises a first resistor and a second resistor, which are connected between two output ends of the rectifier filter module for voltage division, and a first capacitor connected with the second resistor in parallel; the intelligent switching module is connected with a common end of the first resistor and the second resistor, the output of the intelligent switching module is connected with a plurality of LED lamp sets, and each of the LED lamps is connected with a compensation resistor in series; and the linear constant current module consists of two IC linear driving chips. In the invention, the number of the LED lamps in serial connection is automatically changed by automatically detecting the output voltage of the rectifier, to reach the optimal driving efficiency, so as to ensure normal operating under any voltage.

The invention provides a more universal dynamic car sharing and matching method, which solves the problem of real-time matching of a passenger and an optimal driver meeting the conditions under two constraint conditions of car sharing time and car sharing cost of the passenger. The dynamic car sharing and matching method comprises the three steps of step 1, establishing a dynamic car sharing and matching model including time, cost and a skyline relation model; step 2, establishing a dynamic car sharing data structure including Driver Table, Matching Table, Grid index and the like; and step 3, carrying out dynamic car sharing and matching with core conception of guaranteeing high efficiency of matching through reducing or postponing calculation of a shortest path as possible; meanwhile, through setting a skyline constraint of the driver, the calculated amount of matching is further reduced, and in comparison with the other alternative driver, the matched driver is better in the aspect of time or cost.

Low-profile, compact embedded antenna designs are provided for use with computing devices, such as laptop computers, which enable ease of integration within computing devices with limited space, while providing suitable antenna characteristics (e.g., impedance matching and radiation efficiency) over a desired bandwidth of operation. Compact antenna designs with reduced antenna size (e.g., antenna height) and increased operational bandwidth (e.g., broadband impedance matching) are achieved using slotted ground plane designs and / or doubling antenna feeding schemes.

A dielectric antenna is provided for a high frequency wireless communication apparatus. The antenna includes a dielectric substrate and a conductive meander line layer formed on the dielectric substrate. A conductive feed line layer, having a greater line width than the width of the meander line layer, is also formed on the dielectric substrate. A conductive taper layer connects the conductive meander line layer to the conductive feed line layer. An edge of the conductive taper layer slants at an angle from an adjacent edge of the conductive feed line layer in a direction toward the conductive meander line layer.

A colored coating for an article is provided including a first layer polymeric coating material with a transparent base which has been pigmented to a desired color and extruded, a second layer of transparent polymeric coating material which has been co-extruded with the first layer and a third layer of polymeric coating material co-extruded with the first layer opposite the second layer, the third layer being more opaque than the first layer. The invention, while having widespread application, is particularly suitable for use as a coating for an exterior surface of an automotive vehicle body panel.

The invention discloses an efficient taxi passenger immediate initiative multi-path co-hiring system capable of billing, and relates to a system and method for co-hiring of taxi passengers. The system and method for co-hiring of the taxi passengers are based on the modern mobile terminal internet technology and the computer information storage operation technology. The system and method for co-hiring of the taxi passengers are legal. For the taxi passengers on the same starting point, the system and method for co-hiring of the taxi passengers are immediate, initiative and safe, the taxi passengers can select a plurality of paths from the starting point to a terminal point, the system and method for co-hiring of the taxi passengers efficiently carry out matching on co-hiring persons, carry out rapid gathering, and can carry out intelligent billing. The system and method for co-hiring of the taxi passengers have the advantages that due to the fact that current mobile terminals, such as mobile phones and tablet personal computers, are high in popularity rate and convenient to carry, rapid popularization of the system and method for co-hiring of the taxi passengers is easier, and complex and high-price hardware devices do not need to be added to a taxi.

The invention discloses a staged flow-adjustable turbine shell, which comprises a turbine shell body. A turbine assembly and a waste gas inlet flow channel are mounted in the turbine shell body; an air inlet which is communicated with the waste gas inlet flow channel is arranged on the turbine shell body; an intermediate wall is disposed in the waste gas inlet flow channel and divides the waste gas inlet flow channel into an inner flow channel and an outer flow channel; a first valve device which can close the outer flow channel is disposed in the outer flow channel; and the intermediate wall is provided with a second valve device which can realize connection or disconnection of the inner flow channel and the outer flow channel. Waste gas energy is utilized sufficiently, rotation speed of a turbine rotor is increased, air inlet quantity of an engine in low speed work conditions is improved, so that the engine can apply more work, low speed torsion of the engine is increased, the low speed torque of the engine well matches with the low speed work conditions of the engine, and dynamic property and transient responsibility of the engine in low speed work conditions are improved.

The invention relates to a cross-measuring-scale vector map water network same name target matching method. The method includes the steps of firstly, guiding in two to-be-matched water network data, with the same projection coordinate system and different measuring scale versions, of the same area, setting the small-measuring-scale data as the matching layer, and setting the large-measuring-scale data as the reference layer; secondly, performing geometrical dimensionality consistency treatment on the water network data of the matching layer and the reference layer to allow the same to be uniformly expressed as a node-arc section linear water network structure; thirdly, guiding in a probability relaxation model to perform node matching according to distance relation index; fourthly, performing arc section matching on the basis of node matching relation and distance and length indexes; fifthly, guiding out the same name target matching relation between the original matching layer water network data and reference layer water network data according to the arc section and node matching relation between linear water network structures. The method has the advantages that the difficulty that dimensionality difference exists on the water network data of different measuring scale versions, and the same name target matching relation of the water network data of different measuring scale versions can be built accurately and efficiently.

The invention discloses a near-infrared binocular visual stereo matching method based on a reflecting ball mark point. According to the method, the three-dimension geometric size characteristic of thereflecting ball mark point is utilized, and false matching point pairs of the near-infrared binocular visual mark point are removed so as to obtain the rapid and robust stereo matching result, so that space three dimensional coordinates of the mark point are accurately calculated, and real-time and robust tracing position on the mark point is achieved accordingly. The corresponding relation of the mark point at left and right camera image points can be efficiently and accurately, and false matching is effectively eliminated, so that interference of a false three-dimension space point to optical localization is excluded so as to improve the positioning accuracy and robustness of a near-infrared optical localization system.

A semiconductor package having an impedance matching device is disclosed, which is especially applicable to conventional system-in-package structures and system packaging design with high-density I / O design. The impedance matching device achieves impedance matching between a semiconductor chip and a signal transmission wiring on the substrate or between different systems integrated in the semiconductor package by employment of a vertical conductive line or combination of a vertical conductive line and a stub transmission line. The vertical conductive line is electrically connected with the signal transmission wiring on the substrate at one end thereof, and the stub transmission line may be further connected to the other end of the vertical conductive line. This impedance matching device helps to effectively reduce the wiring area of an impedance matching network of the semiconductor package and enhance the flexibility and interchangeability in layout of the wiring.