Phone

Telephone- invented by Alexander Bell

By kristen19

  • first telephone invented

    first telephone invented
    first created

  • second phone invented

    second phone invented
    more efficient

  • cordless phone

    cordless phone
    The first version of the cordless phone was invented in 1965 but could not be marketed. It was invented by a Jazz musician. The innventions 2-mile range caused radio signals to interfere with aircraft. She sold the rights to her invention who modified it for use.

  • first cellphone was invented

    first cellphone was invented
    The first moblie phone was introduced by Dr. Martin Cooper. He made the first call on April 3rd, 1973. He was a Motorola researcher and executive.

  • Inmarsat Satellite telephone system

    Inmarsat Satellite telephone system
    The Inmarsat satellite telephone system, originally developed in 1979 for safety of life at sea, is now also useful for areas out of reach of landline, conventional cellular, or marine VHF radio stations.

  • first generation cell phone networks

    first generation cell phone networks
    The first commercially automated cellular network (the 1G generation) was launched in Japan in 1979. Canada launched their 1G networks in the 1980's. The technological development that distinguished the First Generation of mobile phones from the previous generation was the use of multiple cell sites, and the ability to transfer calls from one site to the next as the user travelled between cells during a conversation.

  • bag phone invented

    bag phone invented
    Bag Phones were manufactured from 1992-2000. The company that manufactured the bag phone was Motorola. When cell phones were invented they became out of style.