03 Apr '13, 5pm

First Portable Telephone Call Made 40 years Ago Today

First Portable Telephone Call Made 40 years Ago Today

Forty years ago today, Motorola announced that Martin Cooper , director of system operations at its Communication’s Systems Division, made the world’s first public call (pdf) in Manhattan on its Dyna T-A-C (Dynamic Adaptive Total Area Coverage) Portable Radio Telephone System. The Motorola press release also credits the late John Mitchell , the division’s general manager and later president of Motorola from 1980 to 1995. The press release quotes Mitchell as saying, “What this means is that in a city where the Dyna T-A- C system is installed, it will be possible to make telephone calls while riding in a taxi, walking down the city's streets, sitting in a restaurant or anywhere else a radio signal can reach.” Cooper made his call—which was as much as a well-thought out publicity stunt as an exhibition of a revolutionary technological (and societal) capability—on his “less th...

Full article: http://spectrum.ieee.org/riskfactor/telecom/wireless/firs...

Tweets

40% of

fas.org 02 Apr '13, 12pm

On this day 40 years ago, Marty Cooper made the first cellphone call. Read about it in EE Times:

On this day 40 years ago, Marty Cooper made the...

eetimes.com 03 Apr '13, 2pm

11/27/2012 9:23 PM EST In recent months, I have seen several accounts in the press discussing Martin Cooper's role in the ...

Read about the start of the cellphone revolutio...

eetimes.com 03 Apr '13, 3pm

Happy 40th birthday, cellphone! Yes, it was 40 years ago on April 3, 1973, that Martin Cooper, a Motorola engineer, made t...

#OnThisDay in tech history, Motorola’s Marty Cooper made 1st call from a handheld mobile phone to a Bell Labs rival

#OnThisDay in tech history, Motorola’s Marty Co...

edn.com 03 Apr '13, 4pm

Motorola’s Martin “Marty” Cooper made the first call from a handheld mobile phone (distinct from car phones) to Joel S Eng...

Four Years of Building a Brighter Future: Yesterday was a special day for me, and not just because it marked t...

Four Years of Building a Brighter Future: Yeste...

1malaysia.com.my 04 Apr '13, 9am

Semalam merupakan hari yang istimewa bagi saya dan bukan hanya kerana pilihan raya umum semata-mata. Ini kerana, semalam j...

@ryanflorence PLV8 last year Kinect two years a...

mtnwestrubyconf.org 06 Apr '13, 2am

"What's Wrong With Ruby's Object Model (And Why That's A Good Thing)" by David Brady In this stunning half-hour EXTRAVAGAN...

5 years of via @zite

5 years of via @zite

starbucksmelody.com 05 Apr '13, 7am

Even though Starbucks has become a big company – and I think especially since when I came back – I wanted to kind of reign...

@ryanflorence PLV8 last year Kinect two years ago: Sounds like js is two years behind :) #mwrc

@ryanflorence PLV8 last year Kinect two years a...

mtnwestrubyconf.org 06 Apr '13, 2am

"The State of C Extensions: Alive and Well, so Learn to Deal" by Sam Rawlins Ruby C Extensions have been a roller coaster ...

WALL STREET CURRENCY ANALYST: One Hour Ago, I H...

businessinsider.com 02 Apr '13, 11am

SocGen currency analyst Sebastien Galy has just received his first request for analysis on Bitcoin, the red-hot digital cu...

OPEL appoints new directors - Semiconductor Today

semiconductor-today.com 03 Apr '13, 12pm

OPEL Technologies Inc of Toronto, Ontario, Canada – which develops III-V semiconductor devices and processes through US af...

@usgbc turned 20 years old this past week. @rickfedrizzi reflects on it:

@usgbc turned 20 years old this past week. @ric...

usgbc.org 09 Apr '13, 1pm

In a few minutes I'll board a plane for Rome, where I'll attend the board meeting of the World Green Building Council. WGB...

Ethernet is 40 years old (10 years younger than...

ecnmag.com 05 Apr '13, 3pm

Ethernet this year is celebrating its 40th anniversary, and anniversaries are typically the time to celebrate the past. Bu...

via @DeptOfDefense Dempsey Arrives in Germany f...

defense.gov 04 Apr '13, 11am

Dempsey Arrives in Germany for Africom Change of Command By Claudette Roulo American Forces Press Service STUTTGART, Germa...