138results about How to "Extended transfer time" patented technology

A billing process is disclosed for a information dispersal system or digital data storage system. In one embodiment of the invention, the original data to be stored is separated into a number of data “slices” or shares in such a manner that the data in each subset is less usable or less recognizable or completely unusable or completely unrecognizable by itself except when combined with some or all of the other data subsets. These data subsets are stored on separate digital data storage devices as a way of increasing privacy and security. As dispersed file shares are being stored or removed from a grid of distributed storage locations, a set of metadata tables are created, separate from the dispersed file share storage, to maintain information about the original data size of each block, file or set of file shares dispersed on the grid. The original data size information in these separate metadata tables is used to determine usage information based upon the original file size even though the file has been dispersed onto a storage grid that contains file slices who size may not relate to the original file size and the file slices may have been compressed by the system in order to reduce storage space or improve transmission time. As such, the billing process is able to enable a broad range of commercial billing options for billing for commercial data services on an information dispersal grid.

A communication system using OFDM transmission from a base station to subscriber units, includes means for achieving a bi-directional channel. These means comprise transmitting means in the subscriber units for the transmission of signal synchronous with the guard time interval in the OFDM transmission, and receiving means in the base station for the reception of the transmitted signals. The system also includes signal shaping means in the receiver of the base station and / or the subscriber unit for the application of a window in time to signals received therein. A communication system includes a combination of CDMA modulation codes and OFDM coding / decoding means to achieve orthogonality between signals from the various users in the uplink. A communication system includes a combination of OFDM and channeling means for achieving orthogonality between signals from the various users in the uplink. Automatic Frequency Control is achieved with means in the mobile unit for achieving a frequency-lock to the base station.

The present invention is directed to reduce the size of a liquid crystal driver (semiconductor integrated circuit for driving liquid crystal) having therein a D / A converting circuit, converting digital image data to analog gradation voltage, and outputting a voltage to be applied to a signal line (source line) of a color liquid crystal panel. Output amplifiers of the final stage for outputting an image signal converted to gradation voltage are divided into a plurality of groups. D / A converting circuits for converting image data to gradation voltage are provided as circuits common to the groups. While switching the group, the D / A converting circuit is operated in a time sharing manner. The output amplifiers in the final stage related to image signals of the same color are selected and grouped. A selector function is provided between the D / A converting circuit and the output amplifier, and an image signal converted to gradation voltage by the D / A converting circuit is supplied to a desired hold circuit.

A multiple power mode amplifier provides a low and a high power mode without using switches. This amplifier may be used in RF applications such as mobile telephones. In the low power mode, the power consumption of the amplifier is reduced, which will increase operation time, especially important for battery-operated devices. In one implementation, the amplifier includes a number of impedance matching network units (130, 140, 150, and 160), impedance transformer (170), and a power stage (120).

Techniques for transmitting graphical images in a network environment are described. According to the techniques, the amount of data of the graphical images that is transmited is customized in accordance with client and / or server supplied information. The techniques enable graphical images to be transmitted more efficiently than previously possible, thus saving precious network bandwidth and reducing transmision time. The invention is particularly suitable for network (Internet or Internet) implementations wherein graphical images often need transferred.

The invention provides an internet-oriented large-scale live time shifting method based on fragment transmission. The method comprises the steps that a client-side sends a time shifting request to obtain fragment index files; a time shifting server-side obtains time shifting status marks through time shifting time points; the client-side sends an acquisition request for the fragment index files to the time shifting server-side after receiving feedback from the time shifting server-side; the time shifting server-side processes the acquisition request for the fragment index files to obtain fragment sequences of the time shifting request this time; the time shifting server-side generates corresponding live fragment index files through the fragment sequences and returns the live fragment index files to the client-side; the client-side obtains the specific fragment sequences from the index files, downloads and plays the actual fragment files and repeatedly sends the same acquisition request for the fragment index files. A system where the method is implemented comprises the time shifting server-side and the client-side. The client side is simple and easy to implement, the time shifting index range required to be obtained does not need calculating, and time shifting indexes obtained each time do not need to be reserved or merged.

A base station comprises table memory elements 104 for storing a priority data table 104A indicative of priorities of data set for every application, judge control elements 103 for judging priority of received data on the basis of the priority table and outputting data whose priorities are set to first buffer elements 105A and the data whose priorities are not set to second buffer elements 105B, beacon signal transmission elements for transmitting a beacon signal at a constant interval and transmission control elements 106 for transmitting the data buffered in the first buffer elements to a destination at a constant interval by using the beacon signal as a reference and, after the data buffered in the first buffer elements is transmitted, transmitting the data buffered in the second buffer elements to a destination.

The invention discloses a gravity inductive type axis-counting device and a method for detecting the state of a tract district thereof, relating to a railway transport management device and a management method thereof. The gravity inductive type axis-counting device comprises an axis detector, an axis-counting information processing system, an input-output subsystem and a power supply, wherein the axis detector is composed of a wheel electronic detector and a gravity inductive type sensor unit; the wheel electronic detector consists of an axis-counting CPU unit, a signal processing unit, a sensor power unit and a state detecting unit; the axis-counting information processing unit comprises a CPU unit, a communication unit, and an I / O unit; and the input-output subsystem consists of a dynamic drive assembly unit, a relay and a button. In the method, a wheel signal is detected by a gravity inductive type sensor arranged on a rail, and is transmitted to the wheel electronic detector and the axis-counting information processing unit for processing, thus judging the state of the tract district. The invention has the advantages of accurate detection result, high reliability, scientific method and capability of realizing automatic judgment on the idle and occupied states of the tract district.

Decision section 110 extracts retransmission requests from the reception signal after a CRC check, which is the output of CRC check section 107, counts, decides whether the number of times the retransmission requests are consecutively received has reached an arbitrary threshold or not, and in the case where the number of times has reached the arbitrary threshold, decision section 110 instructs timing control section 111 to change the transmission timing and timing control section 111 advances the transmission timing according to the instruction of decision section 110 and sets a new transmission timing in modulation section 108 and transmission RF section 109.

A pipelined readout method in an image sensor includes receiving one or more signals from a pixel of a row of a pixel array into a column storage at least partially during a time that a previously sampled amplified output of the column storage that is based on signals provided by a previous pixel of a previously read out row of the pixel array is converted from analog to digital by an analog-to-digital conversion circuit. The method further includes performing, by the analog-to-digital conversion circuit, analog-to-digital conversion of a sampled amplified output of the column storage that is based on the one or more signals from the pixel at least partially during a time that the column storage receives at least one signal from a another pixel of a subsequently read out row of the pixel array.

An acoustic transmitter produces a pulsed ultrasound waveform which is transmitted through body tissues to an implanted receiver-stimulator device. The waveform has an acoustic amplitude, pulse width, and pulse repetition period, which corresponds to a pacing pulse electrical amplitude, pacing pulse width, and pacing cycle length, respectively. The receiver-stimulator device intercepts at least a portion of the transmitted acoustic energy and coverts that acoustic energy into electrical energy using piezoelectric or other devices. This electrical energy is applied to circuitry, which produces a desired stimulating pulse waveform, which is then applied to tissue-contacting electrodes.

A radio communication method is provided for reducing the overhead of radio resources (transmission power, transmission time, frequency band) caused by the transmission of a control signal to a mobile station in a poor propagation environment and thus enabling an improvement of throughput of the entire system. A base station (101) and mobile stations (111 and 112) are connected to allow communication by way of radio links in which a control channel and data channel can be set on each of downlinks and uplinks. The base station (101) uses the control channel to transmit a control signal to the mobile stations (111 and 112). The mobile stations (111 and 112), based on the control signal received from the base station (101), use a data channel to transmit or receive data. The base station (101) alters the amount of information of the control signal in accordance with communication conditions of the propagation paths of the radio links formed with the mobile stations (111 and 112).

Abstract of Disclosure Techniques for transmitting graphical images in a network environment are described. According to the techniques, the amount of data of the graphical images that is transmitted is customized in accordance with client and / or server supplied information. The techniques enable graphical images to be transmitted more efficiently than previously possible, thus saving precious network bandwidth and reducing transmission time. The invention is particularly suitable for network (Internet or Internet) implementations wherein graphical images often need transferred.

The invention provides a method for identifying one or more materials in a scene by determining a set of spectral vectors, called endmembers, from a data set comprised of spectra from the image data, and matching the set of endmembers to predefined library materials. The image data of the scene is captured with a sensor, and comprises a plurality of spectra. The method applies an iterative mathematical criterion, termed residual minimization, to find the endmembers. The first endmember may be selected based on the largest mean square value or the largest mean magnitude value. Subsequent endmembers are determined by calculating weighting factors, such that the weighting factors are non-negative and the calculated vector differences, or residuals, generate the smallest error metric. The error metric is dependent upon the vector difference between two spectra in the image data set, and may be the mean squared vector difference between two spectra.

The present invention concerns a method for characterizing a communication link in a communication network comprising at least two communication nodes and operating using a network protocol comprising a MAC layer and a network layer,said method comprising the steps of:sending unicast packets from a communication node comprising a driver, to another communication node through a link;collecting, by said node at the level of said driver, information concerning transmission characteristics at the level of both MAC layer and network layer;deriving, from said collected information, the following values:delivery ratio of unicast packets; andaverage time to transmit a unicast packet; andestimating, in said node, the quality of said link at the level of both MAC layer and network layer, by computing the following quantity:mean(PTT)du.

A multiple power mode amplifier provides a low and a high power mode without using switches. This amplifier may be used in RF applications such as mobile telephones. In the low power mode, the power consumption of the amplifier is reduced, which will increase operation time, especially important for battery-operated devices. In one implementation, the amplifier includes a number of impedance matching network units (130, 140, 150, and 160), impedance transformer (170), and a power stage (120).

The invention discloses a wireless remote automatic monitoring method for water level, relating to the technical field of water level and hydrology monitoring. The method is characterized by comprising the following steps: a field sensor (3) is used for collecting the hydrographic data of the water level and the like; the collected water level data is transmitted to a center control station (1) by a GPRSRTU through GPRS network, and a solar panel and a lithium battery (5) is used for storing and supplying the field electric power; the center control station (1) is used for processing the data, such as check, storage and the like; the center control station (1) is connected with a mobile phone (2) in wireless manner; the mobile phone (2) and the center control station (1) are arranged at any different place, and the monitoring can be realized by water level monitoring software. In the method, wireless transmission monitoring of the water level data can be realized, thus the monitoring is accurate, timely and quickly. The method can lighten the labor intensity, reduce the cost and enhance the work efficiency, is particularly suitable for the field use and the remote use, and can be widely used in the water level monitoring of the reservoirs, the rivers, the lakes, the irrigation ditches, the mines and the like.

A multiple power mode amplifier provides a low and a high power mode without using switches. This amplifier may be used in RF applications such as mobile telephones. In the low power mode, the power consumption of the amplifier is reduced, which will increase operation time, especially important for battery-operated devices. In one implementation, the amplifier includes a number of impedance matching network units, impedance transformer, and a power stage.

A system and method to reduce the time to transfer files from one computer to another over a communications network, such as the Internet, by avoiding the synchronous timing limitations of current transfer methods. A file that is intended to be transferred from a transmitting computer to a receiving computer is partitioned into multiple synchronous block portions of the existing file, prior to transfer. Each block subportion of original file is compressed and queued for transmission to a target receiving computer. The compressed blocks are kept in a cue, encrypted, and transmitted asynchronously to a target receiving computer over a selected communications network. Upon receipt at the receiving computer of any of the transmitted blocks, blocks are decrypted, decompressed, and asynchronously reconstructed into the original file. Since the transmission of blocks to the receiving computer occurs asynchronously, as well as the transmission preparation steps, overall transmission times are improved.

The invention discloses a rapid transmission method of model data in distributed simulation of power equipment. The method comprises the steps of constructing a network topological graph of each site in a simulation system of the distributed power equipment, obtaining mean data transmission time between the sites, generating a shortest path tree taking a target site as a root node by using a Dijkstra's algorithm, generating a structure tree of a simulation model, analyzing a required submodule in a target included in each site, forming a submodule transmission candidate list, carrying out submodule transmission path planning from small to large from a leaf node according to the transmission time based on the list and the structure tree of the model to achieve rapid distributed transmission of the simulation model of the power equipment. The method greatly improves model transmission efficiency in the distributed simulation system, shortens the transmission time of a model network, and therefore ensures a simulation effect and continuity.

A billing process is disclosed for a information dispersal system or digital data storage system. In one embodiment of the invention, the original data to be stored is separated into a number of data “slices” or shares in such a manner that the data in each subset is less usable or less recognizable or completely unusable or completely unrecognizable by itself except when combined with some or all of the other data subsets. These data subsets are stored on separate digital data storage devices as a way of increasing privacy and security. As dispersed file shares are being stored or removed from a grid of distributed storage locations, a set of metadata tables are created, separate from the dispersed file share storage, to maintain information about the original data size of each block, file or set of file shares dispersed on the grid. The original data size information in these separate metadata tables is used to determine usage information based upon the original file size even though the file has been dispersed onto a storage grid that contains file slices who size may not relate to the original file size and the file slices may have been compressed by the system in order to reduce storage space or improve transmission time. As such, the billing process is able to enable a broad range of commercial billing options for billing for commercial data services on an information dispersal grid.

A method for recognizing a high-voltage wire by a laser radar based on wavelet transformation is characterized in that the ground is scanned by an airborne laser radar scanner to obtain reflected nebular laser point data densely distributed, the measurement data of an airborne laser radar system not only comprises coordinate information of coordinate points X, Y and Z, but also comprises object reflecting intensity information, output RGB (Red, Green, Blue) image data is converted to a grey-scale map and then compressed in a wavelet way, and the image is decomposed into low frequency components with a half resolution ratio and high frequency components with a full resolution ratio for multiple times. As a result, high frequency information on the edge of the high-voltage wire is greatly reserved, useless low frequency information is greatly compressed, the data of the image processed by wavelet compression and encoding is sent to a ground base station to be analyzed and recorded, and a command is sent back to airborne equipment by the base station to carry out diffusion scanning on a suspected high-voltage wire obstacle, find a high-voltage pylon and confirm whether the high-voltage wire really exists. The method has the advantages of simplicity, high accuracy and easiness in realization.

The invention relates to a deviation correcting and conveying device special for lithium battery cores. The deviation correcting and conveying device comprises a conveying supporting plate. Four conveying supporting columns are symmetrically installed on the right side of the lower end of the conveying supporting plate, and a conveying hopper is welded among the four conveying supporting columns. The conveying hopper serves as a feeding hopper for the battery cores, the four conveying supporting columns play a role of uniformly supporting the conveying hopper, and the conveying hopper is of a rectangular pyramid structure with the lower ends of the four sides inclined inwards. As the rectangular pyramid structure inclined inwards is adopted for the conveying hopper, the battery cores can roll to the bottom under gravity after being placed in the conveying hopper. Four conveying openings are formed in the four side walls of the conveying hopper respectively, four guiding mechanisms are arranged at the edges of the four conveying openings respectively, and three discharging ports are evenly formed in the lower end of the bottom of the conveying hopper. The deviation correcting and conveying device can achieve the function of continuously correcting the lithium battery cores in batches and rapidly conveying the lithium battery cores, and has the advantages of being high in conveying speed, short in conveying time, capable of automatically correcting position deviation of the battery cores, high in conveying efficiency and the like.

A container opening-closing apparatus 1 includes at least a dock plate 31 for supporting and positioning a container 10 capable of accommodating a plurality of semiconductor wafers 14; a dock-moving mechanism 30 for moving the dock plate 31 between a container transfer position and a work position where a container door 13 is attached and detached; a port door 23 including an attaching-detaching mechanism for attaching and detaching the container door 13 and a holding mechanism for holding the container door 13; a port-door advancing-retracting mechanism for horizontally moving the port door 23; a port-door elevating mechanism for vertically moving the port door 23 with the container door 13 held thereby so as to store the container door 13; and a port plate 21 having an opening closed by the port door 23, wherein the dock-moving mechanism 30 includes stop position changing means for changing the stop position of the dock plate 31 to a desired position.

The invention discloses a file transmission method, a server and a system. The method comprises the following steps: monitoring a sending end, a receiving end, and the related transmission between thesending end and the receiving end to obtain the first information related to the sending end, the second information related to the receiving end, and the third information related to the file transmission between the sending end and the receiving end; obtaining a processing strategy in multi-mode transmission according to the first information, the second information and the third information; extracting feature information from the received first request, matching the feature information with the multi-mode transmission mode in the processing strategy, and selecting a transmission way matched with the feature information; and performing the transmission control on a to-be-transmitted target file according to the transmission way.

A Bluetooth responder device for transmitting non-Bluetooth related data is disclosed. The device (2) comprises means for receiving non-Bluetooth data to be sent, means for receiving an incoming Bluetooth inquiry packet, means for generating a Bluetooth FHS packet to be sent in response to the incoming Bluetooth inquiry packet, which FHS packet represents data received via the input; and means for sending the generated Bluetooth FHS packet. The non-Bluetooth data may be carried in an undefined field of the FHS packet.