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Vietnam dili Macarca Tay dili Phát minh của đài phát thanh (Guglielmo Marconi)

Phát minh của đài phát thanh là lúc Guglielmo Marconi's house, với ý tưởng truyềntừ không khí bằng cách sử dụng sóng vô tuyến trong khi tiếp tục nghiên cứu của họ. Năm 1902, nhà phát minh người Italia, những người tiếp tục làm việc theo hướngnày, phát hiện ra một cách để gửi thư từ một nơi khác mà không cần dây dẫn hoặcdây cáp. Bằng cách này, các nhà phát minh, những người chính thức bắt đầu sử dụng các đài phát thanh, đã đạt được thành công thương mại nghiêm trọng.

 

Năm 1894 Marconi, nhà phát minh của radar là có thể sử dụng các máy phát tia lửađiện, được thực hiện bởi Hertz, và một bộ tiếp nhận sóng Branly đã phát minh ra, vòng một chuông cửa 9 mét ra khỏi nơi nó được vị trí, và tất cả các sóng radio mà nó đã đặt nền móng của một gre phát triển trên thế giới. Trong giai đoạn này, nhiềungười nói rằng các đài phát thanh đã được phát hiện trước khi Marconi, nhưng Marconi được chấp nhận và cấp bằng sáng chế chỉ bởi sự thành công thương mại.

 

Popov, Lodge và Marconi đã cố gắng để phát triển một chiếc xe được sử dụng để phát hiện các sóng vô tuyến được gọi là các ống Branly, Edward Branly tìm thấy. Bắt đầu từ năm 1890, những nỗ lực phát triển đã kết thúc vào năm 1895 với sự phát triển của Marconi, Popov không ý thức của mỗi khác. Lần đầu tiên vào năm 1896, tên"Heinrich Hertz" bởi Popov đã được hiểu bằng cách sử dụng Morse bảng chữ cái. Trong những năm sau đó, Lee De Forest và Edwin Howard Armstrong thực hiện các sáng kiến tuyệt vời ở Hoa Kỳ bằng cách sử dụng vô tuyến công nghệ mạch.

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