Nokia, Sony Ericsson, Motorola, Philips, Palm, Hewlett-Packard, Apple, Blackberry, Disney, Alcatel, O2, i-mate, Vertu, mobiado, Siemens, Sachim, Lucent, Google, Japanese and Korean mobile phones NEC, SK.
Pantech, Kyocera, only open, Panasonic, Oriental Dragon, Mitsubishi, Toshiba, Sanyo, Sonyericsson, Hyundai, Samsung, LG, domestic mobile phones Sajitong, dopod, Lenovo, Celeste, Bird, 7-up, Amoi, Konka, TCL, Haier, BBK, Shenda and Asus.
ZTE, Hisense, OPPO, Skyworth, Youlitong, GT, Gigabyte Tian, Long Aiken, Zhongtian, Yitong, Tianyu, Changhong, Lehua, Oaks, Zhenhua Obi-Wan, Tianshida, Malata, Huali, Vico, Qiaoxing, Hutong, Sanda, Ganglitong and Heng.
IDOTSD, Lvli, Eastcom, Shouxin, invivo, Weiao, Guangxin, Eliot, Dubao, Putian, Vosia, Aoxiang, Kesheng Communication, Zhongxun, Tianchuang, Gaoxinqi, Meizu, Hantai Furi, Bao Zhong Huixun, Banghua, Chen Xing, Hi-Tech, Jie Bao, Xunhai and Nuozhong.
Gospel, Yi Chengyou, Cinda, Zhongheng, Lianchuang, Zhongqiao, Kono, Intimate, Asynda, Tianyuan, New Post, Mingteng, Kejian, Xoceco, Panda, Southern Hi-Tech, Datang, Topbit, Inspur, Zhongqiao Digital Source, Ziguang, Unocal, Aosheng, Moby Dick, Gionee, Supreme.
The origin of mobile phones is as follows:
1On June 2, 875, Bell accidentally spilled sulfuric acid on his leg while doing the experiment. He was in pain and shouted to his colleagues in the other room, "Come and help me!" " "And this sentence passed through the telephone in the experiment to Hotell, who answered the phone in another room, and became the first sentence passed by human beings by telephone.
1902, an American named "Nathan Stubblefield" made the first wireless telephone equipment in his country house in Murray, Kentucky. This kind of wireless mobile communication telephone is the earliest exploration and research on "mobile phone" technology. 1957, Leonid, an outstanding engineer in the Soviet Union. Kupriyan Norwich invented лк- 1 mobile phone.
In 1958, he further improved his mobile phone. The weight of the equipment is reduced from 3 kg to 500 g (including the battery weight), and the shape is simplified to the size of two cigarette cases, so that you can make a phone call anywhere in the city and connect any fixed telephone.
1973, a man stood on the street in new york, pulled out a wireless phone about the size of two bricks and started talking. This man is marty cooper, the inventor of mobile phone. At that time, he was an engineer at Motorola. This was the first mobile phone in the world at that time.
1985, the first commercial mobile phone was born. It puts the power supply and antenna in an example and weighs 3 kilograms. 1987, a modern-looking mobile phone was born, and its weight is still around 750g, which is like a big brick compared with the current mobile phone weighing only 60g.
1in the autumn of 996, a mobile phone with a volume of 100 cubic centimeter and a weight of 100 gram appeared. Since then, it has been further miniaturized and lightweight, and 1999 has been lighter than 60 grams.