Today I will share with you some cold knowledge about mobile phones: a few novelties in the history of mobile phones
The first mobile phone in history
In 1902, Nathan Star, an ordinary melon farmer in rural Murray, Kentucky, USA, used his spare time to grow melons to begin his "road to making machines."
To facilitate contact with "melon-eating masses," he installed a 120-foot antenna in his garden. Using a magnetic field to transmit voice from one phone to another.
The self-taught electrician then went on to improve and develop new versions of radiotelephone devices for mobile vehicles such as horse-drawn carts and boats. And he applied for a patent in 1908. But invention of cordless telephone was never commercialized during his lifetime. So, in 1928, when Nathan Star died. He didn't have a penny in his pocket because he had invested all his savings in his research.
But more than 70 years after his death, people are starting to remember him. And honor him as father of modern mobile phones.
The first military "mobile phone"
The process of popularization of many technological inventions often moves from military use to civilian use, and mobile phones are no exception. During World War II, US military used world's first "mobile phone" developed by Bell Labs for the military.
Looks cool, but it's just part of phone. In fact, to use this phone, you need to carry a huge radio and antenna with you. However, it was a very advanced communication device at time. After all, you do not need to pull cables on battlefield to talk.
The world's first civilian phone
45 years ago, Motorola engineer Martin Cooper invented world's first civilian cell phone.
April 3, 1973, he used this mobile phone to make his first call to his rival Bell Labs on streets of Manhattan. People born in 80s may have seen this style of mobile phone in their youth. At that time it was called "Big Brother". In past, this was a luxury enjoyed by local tyrants and bigwigs.
The first mobile phone capable of sending text messages
On December 3, 1992, world's first "Merry Christmas" text message was successfully sent. This year, Nokia launched world's first GSM 1011 digital mobile phone. After that, in addition to calls, text messages have also become one of ways people communicate.
26 years ago, IBM invented first mobile phone with a touchscreen and a stylus! The price of this phone at that time was 899 US dollars, which was close to 10,000 yuan. A total of 50,000 units are said to have been sold at time.
In September 2000, Sharp and Japanese mobile operator j-phone launched j-sh04 with a built-in 110,000-pixel CCD camera. This is first mobile phone with a camera function.
Also in 2000, Nokia released first wap-enabled GSM mobile phone, Nokia 7110, which also marked beginning of mobile Internet era