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Key Tehnology Research on Improving Data Transmission Performance of Large-format Printer

Author: LiWei
Tutor: WangQuan
School: Xi'an University of Electronic Science and Technology
Course: Computer System Architecture
Keywords: Ink-jet plotter USB Double-cache Time-sharing transmission
CLC: TP334.8
Type: Master's thesis
Year: 2009
Downloads: 24
Quote: 1
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Abstract


In large-format inkjet printer systems, image data is generally stored in PC terminal, and is needed for the printer to render target image. Thus a problem arise that the property of data transmitting becomes an important factor to impede the development of large-format inkjet printer.By analyzing the working principle and structure of inkjet printer, this paper, aiming at low transmission rate, poor stability and reliability of current printer, proposes an improved solution which can greatly enhance data-transmitting efficiency of large-format printers. The design adopts Universal Serial Bus(USB) technology and double-cache mechanism to make data receiving and printing action work in parallel; uses differential technique to realize remote and reliable data transmission; applies time-divided technique to share the data lines for multi-print head. This paper has presented an integrity design proposal and elaborated the. software and hardware design in detail.The new method in this paper solves the parallelism problem between data receiving from PC terminal and its printing action, avoiding errors caused by the unreadiness of data when printing, consequently improves speed and noise immunity of data transmission, and reduces production cost.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > External device > Printing devices
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