245results about How to "Fast response time" patented technology

A method for enabling intelligence at the edge. Features include: triggering by sensor data in a software layer hosted on either a gateway device or an embedded system. Software layer is connected to a local-area network. A repository of services, applications, and data processing engines is made accessible by the software layer. Matching the sensor data with semantic descriptions of occurrence of specific conditions through an expression language made available by the software layer. Automatic discovery of pattern events by continuously executing expressions. Intelligently composing services and applications across the gateway device and embedded systems across the network managed by the software layer for chaining applications and analytics expressions. Optimizing the layout of the applications and analytics based on resource availability. Monitoring the health of the software layer. Storing of raw sensor data or results of expressions in a local time-series database or cloud storage. Services and components can be containerized to ensure smooth running in any gateway environment.

A vehicle communication system mounted in the vehicle and a portable fob for carrying by a user are provided. The vehicle communication system comprises a trigger generator, an LF transmitter for broadcasting an LF wakeup signal, and an RF transmitter for broadcasting a UHF status message including vehicle status data. The vehicle communication system broadcasts a challenge signal after the LF wakeup signal. The portable fob comprises an LF receiver responsive to the LF wakeup signal, a fob controller for determining response data, and an RF transmitter for broadcasting a UHF response signal incorporating the response data. The portable fob further comprises an RF receiver for receiving the vehicle status data, a visual display for visually reproducing the vehicle status data, and a manual input key for activating the fob controller to generate a remote control message. The RF transmitter in the portable fob broadcasts a UHF control signal incorporating the remote control message. The vehicle communication system further comprises an RF receiver responsive to the UHF control signal and a base controller for initiating a corresponding remote control function in response to the UHF control signal.

This invention relates to liquid crystal (LC) displays comprising cells of well-defined shape, size and aspect ratio which cells are filled with a liquid crystal composition preferably containing dichroic dye(s), and novel processes for their manufacture.

Touch screen systems and methods based on touch location and touching force are disclosed. The touch screen system includes an optical force-sensing system interfaced with a capacitive touch sensing system so that both touch location and touch force information can be obtained. A display that utilizes the touch screen system is also disclosed.

A micromirror array lens consists of many micromirrors with two degrees of freedom rotation and one degree of freedom translation and actuating components. As a reflective variable focal length lens, the array of micromirrors makes all lights scattered from one point of an object have the same periodic phase and converge at one point of image plane. As operating methods for the lens, the actuating components control the positions of micromirrors electrostatically and/or electromagnetically. The optical efficiency of the micromirror array lens is increased by locating a mechanical structure upholding micromirrors and the actuating components under micromirrors. Semiconductor microelectronics technologies can remove the loss in effective reflective area due to electrode pads and wires. The lens can correct aberration by controlling each micromirror independently. Independent control of each micromirror is possible by known semiconductor microelectronics technologies. The micromirror array can also form a lens with desired arbitrary shape and/or size.

An alignment film includes a first pre-tilt functional group, a second pre-tilt functional group and a first vertical alignment functional group, which are linked to polysiloxane on a substrate. The first vertical alignment functional group includes a cyclic compound and is aligned substantially perpendicularly to the substrate. The first pre-tilt functional group is cross-linked to the second pre-tilt functional group and tilted with respect to the substrate.

A magnetic field sensor and a method associated with the magnetic field sensor provide gain correction coefficients and/or offset correction coefficients stored in the magnetic field sensor in digital form. The gain correction coefficients and/or offset correction coefficients can be used to generate analog control signals to control a sensitivity and/or an offset of an analog signal path through the magnetic field sensor.

The present invention discloses a liquid crystal display of the IPS type, which has improved characteristics in terms of stability of liquid crystal element, response time, threshold voltage, and driving voltage due to conferring a pretilt angle to a liquid crystal layer, and method for preparation thereof.

A discretely controlled micromirror array lens (DCMAL) consists of many discretely controlled micromirrors (DCMs) and actuating components. The actuating components control the positions of DCMs electrostatically. The optical efficiency of the DCMAL is increased by locating a mechanical structure upholding DCMs and the actuating components under DCMs to increase an effective reflective area. The known microelectronics technologies can remove the loss in effective reflective area due to electrode pads and wires. The lens can correct aberrations by controlling DCMs independently. Independent control of each DCM is possible by known microelectronics technologies. The DCM array can also form a lens with arbitrary shape and/or size, or a lens array comprising the lenses with arbitrary shape and/or size.

The present invention is directed to a semiconductor processing apparatus and a method for clamping a semiconductor substrate and controlling a heat transfer associated therewith. According to one aspect of the present invention, a multi-polar electrostatic chuck and associated method is disclosed which provides a controlled and uniform heat transfer coefficient across a surface thereof. The multi-polar electrostatic chuck comprises a semiconductor platform having a plurality of protrusions that define gaps therebetween, wherein a distance or depth of the gaps is uniform and associated with a mean free path of the cooling gas therein. The electrostatic chuck is permits a control of a backside pressure of a cooling gas within the plurality of gaps to thus control a heat transfer coefficient of the cooling gas. The plurality of protrusions further provide a uniform contact surface, wherein a contact conductivity between the plurality of protrusions and the substrate is controllable and significantly uniform across the substrate.

A semiconductor assembly comprises a package, which in turn comprises at least one substrate, a first die stacked onto the substrate, at least one further die stacked onto the first die, at least one heat spreader in the package, and TSV:s extending through the stacked dies. The ends of the TSV:s are exposed at the further die.

A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.

The invention discloses a display panel and a display device. The display panel comprises a first substrate, a liquid crystal layer, a waveguide layer, a grating layer, a first electrode and a second electrode, the liquid crystal layer, the first electrode and the second electrode are positioned between the waveguide layer and the first substrate, the first electrode and the second electrode are used for adjusting the refractive index of the liquid crystal layer, the liquid crystal layer is used for controlling light emission from the waveguide layer in a coupling manner, the coupling light emission quantity of the waveguide layer is determined according to the difference between the refractive index of the waveguide layer and the refractive index of the liquid crystal layer, and the grating layer is used for controlling light with a special wavelength among the light coupled from the waveguide layer to be emitted in a special direction. A polarizing film and a color resistor set in the display panel are omitted, so that transmittance of the display panel is improved. As the polarizing film set in the display panel is omitted, the overall phase retardation quantity of the liquid crystal layer is not required, a liquid crystal box can be thin, and the response time of liquid crystals is prolonged.

The invention discloses a gallium nitride sensor, a preparation method and a multi-sensor system. The sensor comprises a heterostructure semiconductor substrate and a transistor which is located on the heterostructure semiconductor substrate, based on III-group nitrides and of an HEMT structure. Metal of the source electrode and metal of the drain electrode are both arranged on the portion, on the top layer of the transistor, of the semiconductor. A functionalized membrane obtained through functionalized processing is arranged on the surface of the grid electrode, and an induction area is formed in the exposed grid electrode area between the source electrode and the drain electrode. By detecting the current changes of the induction area, the concentration of to-be-detected substances making contact with the induction area is detected. By means of the scheme, the defects that in the prior art, sensitivity is low, the detection range is small and portability is poor can be overcome, and the advantages of being high in sensitivity, large in detection range and good in portability are achieved.

The invention relates to a full-duplex communication device based on an SPI (serial peripheral interface) and a method thereof. The device comprises a main component, a slave component, a data line used for the mutual communication between the main component and the slave component, a synchronous clock signal line, a slave component selecting signal line and a signal line which is used for requesting the slave component to receive data by the main component and requesting the main component to receive data by the slave component, and the lines are arranged between the main component and the slave component. The communication method comprises the steps that data are sent simultaneously by the main component and the slave component to each other, data are sent from the main component to the slave component, data are sent from the slave component to the main component, and data frames are used for the communication between the main component and the slave component. According to the full-duplex communication device based on the SPI and the method thereof, a full-duplex communication mode is realized, under the condition that the communication rate is invariable, communication efficiency is improved, system response time is improved, and communication data throughput is increased by one time in an ideal condition; and the integrality and the accuracy of respective data frame when data are sent by both of the SPI communication sides at the same time are guaranteed through data verification and the like.

A data storage system has disk drives, memory circuit boards to store a set of hash lists and a cache, and a front-end interface. The front-end interface is configured to receive a data element request including a disk address identifying a set of disk drive locations that stores the data element; perform a hash function on the disk address in order to generate a hash pointer; and provide a search command, the disk address and the generated hash pointer to the memory circuit boards. The memory circuit boards are configured to receive the search command, the disk address, and the hash pointer from the front-end interface; search the set of hash lists based on the hash pointer and the disk address; and provide an indication to the front-end interface indicating whether the set of hash lists includes an entry indicating that the data element resides in cache.

The invention discloses a method and system for optimizing media-on-demand based on real-time file format conversion, and realizes transmission of a small data set video file header through quick file format conversion, so that the repeated multiplexing of a file by a server can be realized. The method adopts a technical scheme as follows: a client transmits an http request of a file to a server; and after receiving the http request, the server analyzes the http request to find out the file corresponding to the http request; and after determining that the network broadcasting quality of the file is lower than an expected value, the server starts real-time file format conversion, converts the data encapsulation format of the file to maintain basic coding and decoding information in accordance with file transmission in a file header, and transmits the file subjected to the data encapsulation format conversion to the client to play.

The invention provides a method and system for searching images. The method comprises: a client receives a content to be searched which comprises a target image to be searched or the target image to be searched and relevant information thereof; the client obtains visual words of the target image and selects at least one target visual word dictionary corresponding to the content to be searched from more than one visual word dictionary according to preset rules and obtains the target visual word of the visual words according to the target visual word dictionary; and the target visual word is encoded and then transmitted to a server to obtain upshots matched with the searched content and/or relevant information of the upshots. The method provided by the invention can be used for improving the image search speed by reducing data uploaded by the client while shortening waiting time of users and improving the search accuracy of the search system.

A method is described for transmitting data, particularly but not exclusively packet data, from a transmitting station to a receiving station via a wireless channel. The data is transmitted in transmission intervals or TTI slots. The method comprises estimating a utilisation factor representing usage of the transmission intervals, and scheduling the data for transmission to increase the utilisation factor. The effect is to reduce stochastic pattern interference for other users in a wireless communications network. A network node for implementing the above method is also disclosed.

A computer-implemented method of determining a discount for purchased items, the method comprising providing a plurality of items to be purchased by a customer, applying a recursive discount scheme for determining available discounts for said plurality of items to be purchased, selecting a highest discount value from said available discounts for said plurality of items, and notifying said customer of said highest discount value for said plurality of items.

A system and method for regulating real-time the heartbeat frequency of the host according to the user-requested frequency, wherein the heartbeat frequency of the host is regulated through the service request signal sent from the user's end to the host by making use of a cluster system comprising a host and a backup host. Firstly, a frequency correspondence table is established. The host and the backup host transmit signals to each other at a predetermined frequency, which is set to the most recent heartbeat frequency of the host. Then the transmitting times of a plurality of service request signals are recorded to calculate the frequency of the most recent service request signal. Finally, the most recent heartbeat frequency of the host and the frequency of the most recent service request signal are compared to determine if the heartbeat frequency of the host needs to be regulated.

The embodiment of the invention discloses a liquid crystal device, and belongs to the technical field of display. The liquid crystal display device comprises an array substrate, a color filter substrate, a liquid crystal layer and frame glue, wherein the array substrate comprises a plurality of scanning lines in parallel, insulated layers arranged on the surfaces of the scanning lines, a plurality of parallel data lines arranged on the surfaces of the insulated layers, a plurality of pixel electrodes arranged on the surfaces of the insulated layers and distributed in a matrix, passivation layers covering the surfaces of the pixel electrodes and the surfaces of the data lines, and a plurality of first common electrodes which cover the surfaces of the passivation layers and are parallel with the data lines and crossed with the scanning lines; the color filter substrate comprises a black matrix, a color resistance layer, a flat layer and a second common electrode covering the surface of the flat layer, and the second common electrode is of a net-shaped structure, the net-shaped structure is a certain distance away from the data lines and the scanning lines in the vertical direction and the net-shaped structure is relatively overlapped with the data lines and the scanning lines. The penetration rate of the liquid crystal display device rises, and the response speed is improved.

The invention relates to a pipeline leakage on-line monitoring device and method based on f fiber temperature detection, and belongs to the technical field of pipeline monitoring. The fiber temperature detection based pipeline leakage on-line monitoring device is characterized in that a monitoring main machine is communicated with a temperature sensing optical cable in a communication optical cable way or a wireless signal transmission way; and a light signal sent from the laser source of the monitoring main machine is transmitted to a microprocessor through the temperature sensing optical cable, a signal receiver, a wavelength division multiplexer and an amplifier for processing. The fiber temperature detection based pipeline leakage on-line monitoring method comprises the following steps that: the monitoring main machine is communicated with the temperature sensing optical cable in the communication optical cable way or the wireless signal transmission way; the temperature sensing optical cable senses the change of pipeline leakage temperature and generates a reflected light sensing signal for a laser of the laser source; the signal receiver receivers the light signal and transmits to the microprocessor through the wavelength division multiplexer and the amplifier for processing; and the microprocessor analyzes and displays on-line monitored pipeline leakage. The pipeline leakage on-line monitoring device and method based on the fiber temperature detection have the advantages of wide coverage range, high positioning accuracy, short response time, low false alarm rate, real-time on-line detection, and the like.

A method and system for measuring heat energy of a combustible fluid in which light having wavelengths in the near-infrared is directed into a test cell containing the combustible fluid and portions of the light not absorbed by the combustible fluid and passing out of the cell are spatially dispersed by wavelength, forming a light spectrum that is projected onto a detector. The light spectrum is digitized and inputted into a data processing unit in which it is compared to the actual spectrum of the light source stored in the system to determine the absorbance spectrum of the combustible fluid. The system is spectrally calibrated by identifying known spectral features of the combustible gas absorbance spectrum. To correct for deviations in the original light source spectrum, a light source calibration system is employed. Upon determination of the absorbance spectrum of the combustible fluid, the heating value of the combustible fluid is determined by comparing the absorbance spectrum to a plurality of spectra located within an on-board database.

The improved single stage power converter circuit topology substantially reduces EMI that is conducted to the AC line, reduces input AC current inrush, improves output ripples by the use of an auxiliary supply near zero crossings of the line AC voltage, provides Power Factors greater than 0.95, provides Total Harmonic Distortions less than 15%, and maintains constant power, including constant power in a non-linear output load. Further, this circuit topology provides output open and short circuit protections by reducing current stress in power components. This topology can also make the power source to appear as a fast-acting variable impedance source, an ideal source for powering an output load that has negative resistance characteristics such as gas discharge lamps.

Described are SCR catalyst systems comprising a first SCR catalyst composition and a second SCR catalyst composition arranged in the system, the first SCR catalyst composition promoting higher N₂ formation and lower N₂O formation than the second SCR catalyst composition, and the second SCR catalyst composition having a different composition than the first SCR catalyst composition, the second SCR catalyst composition promoting lower N₂ formation and higher N₂O formation than the first SCR catalyst composition. The SCR catalyst systems are useful in methods and systems to catalyze the reduction of nitrogen oxides in the presence of a reductant.

A composition comprising a polymer represented by the following formula (i), wherein the composition exhibits photorefractive ability:

wherein R is selected from the group consisting of a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons; n is an integer of 10 to 10,000; Z is a group which contains at least a tri-aromatic amine moiety shown in the structure (ii):

wherein Ra₁-Ra₁₄ are independently selected from the group consisting of a hydrogen atom, a linear alkyl group with up to 10 carbons, a branched alkyl group with up to 10 carbons, and an aromatic group with up to 10 carbons.

A virtual keyboard input system using three-dimensional motion detecting by variable focal length MMAL is provided. The compactness of the virtual keyboard input system is accomplished by the variable focal length MMAL performing three-dimensional imaging function. Since the three-dimensional imaging process occurs in a very short time scale, the system can determine the motion of the input by the user and track the motion of the user in real-time based response. Image processor can determine which input is occurred at the moment and the time-dependent profile of the motion itself. The input system gives an output just like a conventional keyboard and a mouse system.

The invention discloses a video data storage format, a video data storage method and a video data search method. The storage format is that: a logical volume in a memory is divided into two types, namely an equipment head and a plurality of pages, wherein the equipment head stores related information of the pages; the related information comprises a current page field and a current offset field into which video data is written; each page is divided into two parts, namely a page head and at least one data block, wherein the page head comprises a start time field when the video data is stored into the page; and each data block is divided into two parts, namely a block head and a real video data storage area, wherein the block head comprises a data block size field and a time offset field opposite to the page head. Received video data is directly stored into a raw device based on the storage method disclosed by the storage format, disk fragmentation can be reduced, and search efficiency can be improved. In addition, the video data takes data blocks as units, is stored in the pages of each logical volume, is convenient to manage and has high data access performance.

The invention discloses an alternating current electrified railway in-phase continous power supply system based on multi-port direct current transmission. The system comprises more than one three-phase high-voltage alternating current power supply, direct current converters used for converting three-phase high-voltage alternating current into high-voltage direct current, a high-voltage direct current transmission loop used for transmitting the high-voltage direct current to a loop of each traction transformer, alternating current converters used for converting the high-voltage direct current into low-voltage single-phase alternating current, and a contact network system connected with an output end of the alternating current converter, wherein the contact network system is divided into an alternating current bus and a return line which takes power by a locomotive and then flows back from a steel rail. The system has the advantages that the system is simple in structure principle, high in safety and reliability, and easy to realize and popularize.