The First Telephone Call

What is the first sentence on the phone? On 10th March 1876, telephone inventor Alexander Graham Bell called the assistant Thomas Watson for the first time and said, "Mr. Watson - Please come here - I want to see you." what?

On 10th March 1876, Alexandre Graham Bell made the historic first call, which created a cultural and business change that changed the world. In 977 years after 1973, Motorola set up a base station to handle the first public telephone in the cellular network. In 1973, there was no internet, digital camera, personal computer, but there was a mobile phone. The prototype version will be Motorola DynaTAC 8000x We have a plain text LED screen with a weight of 5 pounds and a single line. It will take ten years for Motorola's DynaTAC to finally reach consumers.

After the invention of the telephone in 1876, additional development work was needed to make it commercially viable. The first call is local calls. Long distance telephones have come into the 1890s, but the technology used to make intercontinental calls lasted until 1915. Before the railroad appeared, most companies were operated by individual business owners or partnerships. Owners are usually responsible for their daily work. The railway industry initially adopted the latest business management techniques to manage operation needs in a wide range of fields, to maintain long distance communication, to manage complex networks, and to train trains and cargo It is a company. The railroad company hired a professional manager, divided the work into different company divisions and created an organization chart.

On 1876 Valentine's Day, Alexander Graham Bell's lawyer personally delivered the folder to the US Patent Office. It is the first telephone patent application and is then called "harmonic telegraph". On the same day, Elisha Gray issued a warning. He does not want Bell to own a patent that Bell believes he invented. The Patent Office gave Gray an additional three months to complete the patent so that it can compare the two patents perfectly.