APPARATUS, SYSTEM AND METHOD FOR WIRELESS DATA TRANSMISSION BY USING DISPLAY BACKLIGHT

摘要

The present disclosure provides an apparatus, a system and a method for wireless data transmission by using a display backlight. The apparatus for transmitting wireless data by using a display backlight according to the present disclosure may include: a data storage unit for storing data to be transmitted; a main control unit for reading the data stored in the data storage unit; a signal modulation unit for modulating the data with a predetermined signal modulation method under the control of the main control unit to generate and output a sequence of switching pulse signals; a light source driving circuit for generating backlight driving switching pulse signals according to the sequence of switching pulse signals; and a display backlight member for outputting a sequence of light and shade signals.

主权项

1. An apparatus for transmitting wireless data using a display backlight, comprising:
a data storage unit configured to store data to be transmitted; a main control unit configured to read the data stored in the data storage unit; a signal modulation unit configured to modulate the data with a predetermined signal modulation method under the control of the main control unit to generate and output a sequence of switching pulse signals; a light source driving circuit configured to generate a backlight driving switching pulse signal according to the sequence of switching pulse signals; and a display backlight member configured to output a sequence of light and dark signals, driven by the backlight driving switching pulse signal.