Evolution of cellphone wdd2x

Evolution of Phones

By David Seo

  • Alexander Graham Bell's Telephone

    Alexander Graham Bell's Telephone
    Alexander Graham BellAlexander Graham Bell As he later explained it, "If I could make a current of electricity vary in intensity precisely as the air varies in density during the production of sound, I should be able to transmit speech telegraphically." Two years later he applied for a patent, which was granted on March 7, 1876. On March 10, the first coherent complete sentence—the famous “Mr. Watson, come here; I want you”—was transmitted in his laboratory in Washington D.C

  • Rotary Dial Phone

    Rotary Dial Phone
    Telephone HistoryIn 1889, the rotary telephone dial was invented by Almon B. Strowger , a Kansas City undertaker. The first dial exchange was installed at La Porte, Indiana, in 1892. In 1943, Philadelphia was the last major area to give up dual service.The first Bell telephone company started in 1878. This is now known as the American Telephone and Telegraph Company (AT&T), which was incorporated in 1885 and still existing now

  • Hand-Held Cellular Mobile Phone

    Hand-Held Cellular Mobile Phone
    The First Cellphone Went on Sale 30 Years Ago for $4,000Somewhere in either Chicago, Baltimore or Washington, someone plunked down $3,995 to buy the Motorola DynaTAC 8000X, the first handheld cellphone, on March 13, 1984 — 30 years ago today.We don't know who that first cellphone buyer was. At the time, the occasion didn't register as historically auspicious. After all, in 1984, the terms "cellphone" and "mobile phone" didn't refer to handheld phones; those terms referred to car phones, which had been around since the mid-1940s.

  • First Smartphone

    First Smartphone
    IBM SimonThe IBM Simon Personal Communicator was a handheld, touchscreen cellular phone and PDA designed and engineered by International Business Machines Corp. It combined a cell phone and PDA into one device, allowing a user to make and receive telephone calls, facsimiles, emails and cellular pages. The IBM Simon became available to consumers on August 16, 1994. Simon featured many applications including an address book, calendar, appointment scheduler, and a world time clock.

  • First Flip Phone

    First Flip Phone
    Motorola StarTACThe Motorola StarTAC is a clamshell mobile phone manufactured by Motorola. It was released on January 3, 1996, being the first ever clamshell/flip mobile phone.The StarTAC is the successor of the MicroTAC, a semi-clamshell design that had been launched in 1989. Whereas the MicroTAC's shell folded down from below the keypad, the StarTAC folded up from above the display. In 2005, PC World put StarTAC at #6 in The 50 Greatest Gadgets of the Past 50 Years

  • First Modern-Day Smartphone

    First Modern-Day Smartphone
    iPhone (1st generation)The iPhone (retroactively labeled the original iPhone and often referred to as iPhone 1, iPhone 1G, or iPhone 2G) is a smartphone that was designed and marketed by Apple Inc. It is the first generation of iPhone that was announced on January 9, 2007after years of rumors and speculation. It was introduced in the United States on June 29, 2007 and featured quad-band GSM cellular connectivity with GPRS and EDGE support for data transfer.