Multifunctional electronic writing system based on touch TV

The invention relates to an electronic writing device, and discloses a multifunctional electronic writing system based on a touch TV, which has the functions of an electronic pointer, a switch writingand an air mouse, and can meet the requirements for the close touch and long distance manipulation of the touch TV. The system comprises: a writing pen, a wireless receiving and sending module and atouch TV; an MCU, and a RF radio frequency module, an air mouse module, an electronic pointer module and a pen tip switch module connected with the MCU are built in the writing pen; the writing pen respectively achieves an air mouse function, an electronic pointer function and a switch writing function through the air mouse module, the electronic pointer module and the pen tip switch module, and the data transmission with the wireless receiving and sending module can be achieved through the RF radio frequency module; the wireless receiving and sending module is cooperatively used with the writing pen for accomplishing