DISPLAY DEVICE AND DISPLAY SYSTEM THEREOF
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United States of America Patent
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N/A
Issued Date -
Aug 12, 2010
app pub date -
Mar 16, 2009
filing date -
Feb 6, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A display device includes a RFID tag unit, a display unit, a processing unit and a power supply unit. The RFID tag unit follows a wireless communication standard of a RFID system to receive a wireless signal and outputs identification information. The processing unit electrically connected with the RFID tag unit and the display unit receives the identification information and outputs to the display unit for displaying. The power supply unit supplies operation power required to the processing unit and the display unit. The required power while the above-mentioned display device refreshes the information is supplied by the power supply unit, so that the information can be refreshed with longer communication distance and power saving is achieved. A display system including the above-mentioned display device and a reader/writer device is also disclosed.
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