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Almon Brown Strowger (February 11, 1839 – May 26, 1902) was an American inventor who gave his name to the Strowger switch, an electromechanical telephone exchange technology that his invention and patent inspired.
- Inventor
- February 11, 1839, Penfield, New York, United States
- Susan Strowger
- May 26, 1902 (aged 63), St. Petersburg, Florida, United States
The inventor incorporated Strowger Automatic Telephone Exchange in 1891. With enhancements to his original design, including a rotary dial, Strowger's switching devices were standard equipment in telephone systems worldwide until the advent of touch-tone dialing in the late 1970s. National Inventors Hall of Fame Inductee Almon Strowger, an ...
Learn how an undertaker in Kansas City invented the stepping exchange system and the rotary dial to compete with his rival in the 19th century. See his phone and other electrical inventions at SPARK Museum of Electrical Invention in Bellingham.
Penfield native Almon Strowger was working as an undertaker in Kansas in the late 1880s. Convinced the local telephone operator who was the wife of a competitor was diverting his calls, Strowger set out to create a means of bypassing the operator....and in 1891 he patented "the automatic telephone exchange". A system that would become used ...
The Strowger switch is the first commercially successful electromechanical stepping switch telephone exchange system. It was developed by the Strowger Automatic Telephone Exchange Company founded in 1891 by Almon Brown Strowger. Because of its operational characteristics, it is also known as a step-by-step ( SXS) switch .
Oct 3, 2013 · Almon Brown Strowger invented the Strowger switch, an automatic telephone switching system that eliminated the need for operators. He developed it after his rival's wife diverted his business calls as a switchboard operator in Kansas City.
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Oct 22, 2018 · Almon Strowger's design of 1889, widely adopted in its developed form in both Britain and the USA, became known as ‘step-by-step’. The name derived from the way selectors ‘stepped up’ from one line to another until they successfully found a route through the exchange. The key component of the system was a telephone with a rotary dial.
