Clearwater, FL, United States
Clearwater, FL, United States

Tech Data Corporation is a wholesale distributor of technology products. Headquartered in Clearwater, FL. Tech Data generated $24.4 billion in net sales for the fiscal year ended January 31, 2011 and is ranked 111th on the Fortune 500®. Founded in 1974 by Edward C. Raymund, father of the company's Chairman and former Chief Executive Officer Steven A. Raymund, Tech Data's original charter was to market data processing supplies directly to end users of mini and mainframe computers. In 1983, the company expanded its target markets and redirected efforts toward servicing microcomputer resellers as a wholesale distributor. Tech Data employed about a dozen people during its formative years and handled all customer orders from a small office/warehouse building in Clearwater not far from the company's worldwide headquarters today.In July 2011 a partnership was signed with Internet Security service company Webroot to make Webroot’s security services available to Tech Data’s resellers in North America. In September 2011 Tech Data also partnered with NEC Display Solutions and now offers content creation services to its channel of over 60,000 resellers. Wikipedia.


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Patent
Tech Data | Date: 2014-08-18

A data quality measurement method based on a scatter plot, the method comprising: defining a data grid (Gxy) and fitting a plurality of trend lines; using a scatter plot to display data and according to actual trends, selecting a trend line and displaying same; generating data quality rules according to the determined trend line type and parameters; selecting appropriate data quality rules and measuring data quality according to a threshold. By means of defining the data grid (Gxy) to store data, using a scatter plot to display data, and generating data quality rules according to the determined trend line type and parameters, and further setting a threshold according to said rules and measuring data quality, applications such as display of data, analysis of abnormal data, and data error correction can be performed for enormous amounts of data. Another embodiment provides a data quality measurement system based on a scatter plot.


The invention relates to an LED electronic sign board capable of power-saving per pixel line, comprising: an LED display panel; a panel driver; a switching mode power supply that receives AC power, generates driving power required to operate the LED display panel and the panel driver and supplies power to the LED display panel and the panel driver; a black line extractor that analyses an image signal which will be displayed on the LED display panel and extracts pixel lines which becomes black per LED module; and a main controller that controls the panel driver to display an image on the LED display panel according to the image signal, and that controls a switching signal for the operation of the switching mode power supply to shut off driving power that is supplied to the pixel lines extracted by the black line extractor from the switching mode power supply.


A portable storage device includes a flash memory component, a flash memory interface coupled with the flash memory component, a host access interface coupled with the flash memory interface, and a control unit coupled between the flash memory interface and the host access interface to fetch a communication protocol of the host via the host access interface and adjust operation modes of the flash memory interface. If the transmission bandwidth of the host is no smaller than a set transmission bandwidth of the flash memory interface, the control unit controls the flash memory interface to work at a first operation mode. If the transmission bandwidth is smaller than the set transmission bandwidth, the control unit controls the flash memory interface to work at a second operation mode. The transmission bandwidth of the first operation mode is bigger than that of the second operation mode.


The present invention discloses a memory system having a hybrid density memory. The memory system includes a plurality of storage spaces whereby the storage spaces have respective levels of endurance and each storage space has a plurality of blocks and pre-determined weighting factors corresponding to the levels of endurance of the storage spaces. After executing a command of erasing a specific block, the system records the erase in accordance with the weighting factor of the storage space to which the specific block belongs. Whereby, the erase counts of all the blocks of different storage spaces are able to reach respective levels of endurance as simultaneously as possible.


Patent
Tech Data | Date: 2014-08-08

Provided is a method for mining a data regular expression. The method comprises: obtaining data to be stored, and storing the data by using a dictionary tree structure; performing a node upgrade according to a regular expression rule; separately performing branch combination according to the number of subnodes having a same character; identifying an interfering branch, and performing branch deletion; and converting a rule tree to be in a character string format and outputting it. Obtained data is stored in a dictionary tree structure, so that mass data can be mined, data nodes are upgraded, branches are combined, an interfering branch is deleted, and finally, a generated rule tree is converted to be in a character string format for outputting, so as to mine a regular expression of mass data comprising erroneous data, and the rule tree can meet the requirement for mining the erroneous data and can be used to check data and find erroneous data thereof. In addition, further provided is a device for mining a data regular expression.


A system for controlling a smart LED display board capable of compensating for luminance of an LED includes a luminance measurement unit which creates first luminance measurement data obtained by digitizing measured luminance of each LED, an image data input unit which receives first input data about each LED, a comparison unit which selects at least one first LED having a luminance value greater than a preset reference value, and creates a compensation power value compensating for the luminance value of the selected first LED; an image data compensation unit which receives the first input data and the compensation power value and creates second input data in which a power value that is contained in the first input data transmitted to the first LED is changed into the compensation power value; and a drive unit which transmits the second input data to the first LED.


Patent
Tech Data | Date: 2014-06-04

A data processing method comprises: an Adobe Flex acquiring a user drawing command, the drawing command comprising an initial end serial number and a termination end serial number; the Adobe Flex searching for drawing data in a buffer according to the initial end serial number and the termination end serial number; when some drawing data corresponding to the initial end serial number and the termination end serial number is only found, the Adobe Flex sending a data acquisition request to java swing by using javascript, the data acquisition request comprising an initial end serial number and a termination end serial number corresponding to drawing data that are not found; and the java swing returning the corresponding drawing data to the Adobe Flex according to the initial end serial number and the termination end serial number corresponding to the drawing data that are not found. Also provided is a corresponding data processing system. In the embodiments, data required by a graph is acquired by an interval, and data to be acquired by javascript is reduced, thereby effectively solving the problem that the drawing speed under a large data amount is slow due to slow javascript data processing speed.


The present invention provides a visualization method based on quartile graph display data, the method comprising: the step of defining a data grid (Gx) and determining the display scale of the X axis; the steps of data source configuration, scanning, and reading; the step of analyzing stored data and correcting the X axis to display the scale, and calculating the quartile of the data in each data grid (Gx) of each scale level; the step of using a quartile graph to display the data. By means of defining a data grid (Gx) to store data, the four display scales of the X axis being interchangeable, and using a quartile graph to display data, the present invention displays the distribution of two-dimensional data in extremely large-volume data or big data environments, and provides interactive functionality. The present invention also provides a visualization system based on quartile graph display data.


The present invention provides a data quality measurement method based on a quartile graph, the method comprising: defining a data grid (Gx) and fitting a plurality of trend lines; scanning a data source and storing, and according to actual trends of the data, selecting a trend line and displaying data; generating data quality rules according to the determined trend line type and parameters; selecting appropriate data quality rules and measuring data quality according to a threshold. By means of defining a data grid (Gx) to store data, using a quartile graph to display data, and generating data quality rules according to the determined trend line type and parameters, and further setting a threshold according to said rules and measuring data quality, the present invention performs, for enormous amounts of data, applications such as display of data, analysis of abnormal data, and data error correction. In addition, another embodiments of the present invention provides a data quality measurement system based on a quartile graph.


A method of judging problem storage regions adapted for a flash memory storage device includes steps of: sending a writing order to a flash memory chip for writing a written data to an appointed storage paging; when the flash memory chip beginning writing the written data to the appointed storage paging, getting the first time; when the flash memory chip finishing writing the written data to the appointed storage paging, getting the second time; calculating a writing time according to the first time and the second time; if the writing time not coincident with a standard value, then labeling the appointed storage paging as a problem storage region and copying the written data to a backup paging; updating a Mapping Table.

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