EBENs ZETA RETICULI BEINGS DTMF SIGNALS TECHNOLOGY
On
MARTIN COOPER WITH MOTOROLA DYNA TAC 8000x FIRST CELL PHONE
The first mobile phone call was made
40 years today, on
The substance of the call is lost to history, but it
probably doesn't compare to the first telegram ("What hath God wrought"), first
telephone call ("Mr. Watson, come here, I want to see you"), or even the first text message ("Merry
Christmas"). Cooper's inaugural mobile conversation is remembered as, "I'm
ringing you just to see if my call sounds good at your end,' or something to that
effect."
Regardless, the call was a major step in the development
of mobile technology, though it would take another decade for the DynaTAC to reach
consumers and two more decades for cell phones to overtake land lines in worldwide usage.
But today, "phone" is synonymous with "mobile phone," and the latest
trend is toward mobile devices that aren't
really phones much at all. Motorola's mobile business,
meanwhile, is now owned by Google.
Here's
a look at the evolution of mobile devices from the first commercially available
DynaTAC to the smartphones of today:
