The History Of Communication

By patriceg99

  • Greeks use a phonetic alphabet written from left to right

    Greeks use a phonetic alphabet written from left to right
    Greeks use a phonetic alphabet written from left to right

  • Claude Chappe invents the first long-distance semaphore (visual or optical) telegraph line

    Claude Chappe invents the first long-distance semaphore (visual or optical) telegraph line

  • Joseph Nicéphore Niépce achieves the first photographic image.

  • Charles Wheatstone reproduces sound in a primitive sound box - the first microphone.

  • Samuel Morse invents the first long distance electric telegraph line.Alexander Bain patents the first fax machine.

  • Lee Deforest invents the electronic amplifying tube or triode - this allowed all electronic signals to be amplified improving all electronic communications i.e. telephones and radios.

  • Thomas Edison demonstrated the first talking motion picture.

  • NBC starts two radio networks.CBS founded.First television broadcasts in England.Warner Brothers releases "The Jazz Singer" the first successful talking motion picture.

  • The computer floppy disc invented.The microprocessor invented - considered a computer on a chip.

  • IBM PC first sold.First laptop computers sold to public.Computer mouse becomes regular part of computer.