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Sep 14 | Sheldon Hochheiser, Ph.D.

Your engineering heritage: Dials, Keypads and Smartphones

It happens millions of times every day. Someone picks up a smartphone to make a call. The number hasn’t been saved in the phone’s address book, so he or she brings up the virtual key pad and dials the number. But what does “dial the number” mean — there is no dial, just a pattern of virtual keys on a screen. And why are those keys arranged in that particular order? The answers to these questions date back many decades to the wired landline telephone system, to AT&T’s Bell System (the old U.S. national telephone monopoly) and its famed R&D unit, Bell Telephone Laboratories.

Feb 14 | Sheldon Hochheiser, Ph.D.

Your Engineering Heritage: Video Telephony: An idea whose time may have finally come

Today, with apps and services such as Skype and FaceTime, video telephone calls are cheap, easy and readily available over the internet on computers and smartphones. Yet, video telephony remains but a small sliver of the total volumes of calls.

Feb 13 | Sheldon Hochheiser, Ph.D.

Engineering Hall of Fame: John J. Carty

He began as a telephone operator, and fifty one years later was Vice President of AT&T and Chair of the Board of Bell Labs.

Aug 12 | Sheldon Hochheiser, Ph.D.

Your Engineering Heritage: The Foundations of Mobile and Cellular Telephony

 

Jul 11 | Sheldon Hochheiser, Ph.D.

A Brief History of the U.S. Federal Government and Innovation (Part II: 1917-1945)

In this second installment of a series of articles on the long, broad and deep history of the federal government's role in technological innovation, IEEE History Center staff look at the period beginning with World War I through World War II (1917-1945).

Sep 10 | Sheldon Hochheiser, Ph.D.

Your Engineering Heritage: The IEEE Archives

 

Apr 10 | Sheldon Hochheiser, Ph.D.

Engineering Hall of Fame: Alexander Graham Bell

 

Nov 09 | Sheldon Hochheiser, Ph.D.

Your Engineering Heritage: Bell Labs and the Transistor

 

Sep 09 | Sheldon Hochheiser, Ph.D.

Engineering & Popular Culture: Sports & Signal Processing

A look at the origins of the glowing puck and the Yellow Line.

Jul 09 | Sheldon Hochheiser, Ph.D.

engineering & pop culture: Public Telephones

 

 

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