The Use of Graphene-Based Earphones in Wireless Communication |
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Affiliation: | Luqi Tao;Song Jiang;Cheng Li;He Tian;Ningqin Deng;Danyang Wang;Yi Yang;Tian-Ling Ren;Institute of Microelectronics, Tsinghua University;both the Institute of Microelectronics and Tsinghua National Laboratory for Information Science and Technology, Tsinghua University; |
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Abstract: | Graphene-based materials have attracted much attention in recent years. Many researchers have demonstrated prototypes using graphene-based materials, but few specific applications have appeared. Graphenebased acoustic devices have become a popular topic. This paper describes a novel method to fabricate graphenebased earphones by laser scribing. The earphones have been used in wireless communication systems. A wireless communication system was built based on an ARM board. Voice from a mobile phone was transmitted to a graphene-based earphone. The output sound had a similar wave envelope to that of the input; some differences were introduced by the DC bias added to the driving circuit of the graphene-based earphone. The graphene-based earphone was demonstrated to have a great potential in wireless communication. |
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