zoom_in Click to enlarge

Almon Brown Strowger

▲ ▼

description Almon Brown Strowger Overview

Almon Brown Strowger was an American inventor and undertaker who significantly advanced telecommunications technology. Motivated by the belief that manual telephone switchboard operators were intentionally redirecting his business calls, he developed the first commercially viable automatic telephone exchange. Patented in 1891, the Strowger switch used an electromechanical step-by-step mechanism to directly connect callers without human assistance. This invention revolutionized the early telephone industry, laying the foundational technology for automated dialing systems used throughout the 20th century.

help Almon Brown Strowger FAQ

Why did Almon Brown Strowger invent an automatic telephone exchange?

Strowger, an undertaker in Kansas City, believed manual operators were directing calls to a competing business. His proposed solution removed the operator from the connection process by letting callers select a number directly.

What is a Strowger switch?

A Strowger switch is an electromechanical telephone switching mechanism that moves a selector in response to dial pulses. Strowger patented an automatic telephone exchange in 1891, helping establish the basis for practical automatic dialing.

Was Almon Brown Strowger a telecommunications engineer?

His original profession was undertaker, not telecommunications engineer. His telephone invention became commercially important because it addressed the problem of connecting calls without relying on a manual switchboard operator.

When did Strowger's telephone invention become commercially significant?

The core invention dates to the late 1880s, and Strowger's U.S. patent for an automatic telephone exchange was issued in 1891. The Strowger Automatic Telephone Exchange Company was incorporated in 1891 to commercialize the technology.

swap_horiz

Looking for Almon Brown Strowger alternatives? Compare top competitors ranked & scored

arrow_forward