Milestones:Thomas Alva Edison Historic Site at Menlo Park, 1876 and Milestones:Popov's Contribution to the Development of Wireless Communication, 1895: Difference between pages

Revision as of 15:56, 6 January 2015

Popov's Contribution to the Development of Wireless Communication, 1895

IEEE Russia (Northwest) Section, Dedication: May 2005

On 7 May 1895, A. S. Popov demonstrated the possibility of transmitting and receiving short, continuous signals over a distance up to 64 meters by means of electromagnetic waves with the help of a special portable device responding to electrical oscillation which was a significant contribution to the development of wireless communication.

The plaque can be viewed at the St. Petersburg State Electrotechnical University, Russia.

Aleksandr S. Popov (also spelled Popoff) was born on 16 March 1859 in Krasnoturinsk, Russia. One of seven children, he attended a Russian Orthodox seminary to encourage him to follow his father's profession, the priesthood. But while in the Seminary he became interested in physics, which led to his admission to the University of St. Petersburg. He graduated with distinction, and stayed on one additional year as a laboratory assistant. In 1883 he joined the Russian Navy's Torpedo School as an instructor. This afforded him the use of the School's extensive library to continue his research.

In 1890 he began teaching at the Marine Engineering School, part of the Russian Naval Department. It was here that he was required to sign a non-disclosure statement concerning his work, which would prove detrimental to his claim as an inventor of radio. During his tenure at the School he taught electrical engineering, math and physics. He studied the works of Hertz, Lodge, and others. It was his intention to invent an instrument that could detect lightning. On 7 May 1895 he demonstrated his apparatus to the members of the Russian Physical and Chemical Society. Popov's receiver consisted of a metal filings coherer he had developed as the detector element together with an antenna, a relay, and a bell. Although not initially meant as a means to transmit "intelligence", it proved the feasibility of radio.

Over the next several years he continued his research as a director (appointed in 1901) of the St. Petersburg Electro-Technical Institute. He died on 13 January 1906 in St. Petersburg.

In 1945, 7 May was declared "Radio Day" in Russia, in honor of Popov's accomplishments.

Map

Loading map...

@@ Line 1: / Line 1: @@
-== Thomas Alva Edison Historic Site at Menlo Park, 1876 ==
+== Popov's Contribution to the Development of Wireless Communication, 1895  ==
-[[Image:Thomas Alva Edison Historic Site Menlo.jpg|thumb]]
+[[IEEE Russia (Northwest) Section History|IEEE Russia (Northwest) Section]], Dedication: May 2005&nbsp; [[Image:Popov's Contribution.jpg|thumb]]
-Between 1876 and 1882 at Menlo Park, New Jersey, [[Thomas Alva Edison|Thomas Edison]] developed the world’s first industrial research and development laboratory devoted to developing new technology. At this laboratory Edison and his staff developed the first system of incandescent electric lighting and electric power generation, and invented recorded sound and a commercially successful telephone transmitter.
+''On 7 May 1895, A. S. Popov demonstrated the possibility of transmitting and receiving short, continuous signals over a distance up to 64 meters by means of electromagnetic waves with the help of a special portable device responding to electrical oscillation which was a significant contribution to the development of wireless communication.''
-'''The plaque can be viewed at the Menlo Park Museum, 37 Christie St., in Edison, New Jersey, U.S.A.'''
+'''The plaque can be viewed at the St. Petersburg State Electrotechnical University, Russia.'''
-Menlo Park, New Jersey is where Thomas Alva Edison (1847-1931), America’s greatest inventor, developed technology that changed the world. Nicknamed the “Wizard of Menlo Park”, Edison resided and worked at Menlo Park from 1876 to 1884, turning the site into a center of invention and innovation.
+[[Aleksandr Popov|Aleksandr S. Popov]] (also spelled Popoff) was born on 16 March 1859 in Krasnoturinsk, Russia. One of seven children, he attended a Russian Orthodox seminary to encourage him to follow his father's profession, the priesthood. But while in the Seminary he became interested in physics, which led to his admission to the University of St. Petersburg. He graduated with distinction, and stayed on one additional year as a laboratory assistant. In 1883 he joined the Russian Navy's Torpedo School as an instructor. This afforded him the use of the School's extensive library to continue his research.
-The [[Thomas Edison at Menlo Park|Menlo Park laboratory]] was the first center for research in which investigation by a team of individuals with diverse technical backgrounds and experience would be focused on developing practical products. This New Jersey site was chosen by Edison to escape from the hectic New York metropolitan area so that he could focus solely on the invention process. The lab was equipped with the latest state-of–the-art scientific electrical, chemical and mechanical instruments, tools and materials required to perform experiments.
+In 1890 he began teaching at the Marine Engineering School, part of the Russian Naval Department. It was here that he was required to sign a non-disclosure statement concerning his work, which would prove detrimental to his claim as an inventor of radio. During his tenure at the School he taught electrical engineering, math and physics. He studied the works of [[Heinrich Hertz|Hertz]], [[Oliver Lodge|Lodge]], and others. It was his intention to invent an instrument that could detect lightning. On 7 May 1895 he demonstrated his apparatus to the members of the Russian Physical and Chemical Society. Popov's receiver consisted of a metal filings [[Coherer|coherer]] he had developed as the detector element together with an antenna, a relay, and a bell. Although not initially meant as a means to transmit "intelligence", it proved the feasibility of radio.
-In 1877, Edison successfully developed the carbon button transmitter (or [[Microphone|microphone]]) and the induction coil that greatly improved on the Bell telephone. These Edison innovations enabled the telephone to be used simultaneously as both a sound transmitter and receiver and allowed communication over longer distances with greater clarity and volume.
+Over the next several years he continued his research as a director (appointed in 1901) of the St. Petersburg Electro-Technical Institute. He died on 13 January 1906 in St. Petersburg.
-In the same year, Menlo Park became the “Birthplace of Recorded Sound” with the invention of the [[Phonograph|phonograph]]. Edison successfully recorded the movements of a diaphragm generated by sound on a piece of paraffin paper with a needle and then played back the sound by passing the paper back through the diaphragm again. A more complex cylindrical device using tin foil as the recording media followed. This invention, his favorite, was a logical extension of his previous work with the telegraph and the telephone.
+In 1945, 7 May was declared "Radio Day" in Russia, in honor of Popov's accomplishments.
-On New Year’s Eve 1879, the first use of practical incandescent lights for street lighting was demonstrated at Menlo Park right on Christie Street. This event foreshadowed the end of the gas light era and the beginning of the electric light and power industry. Soon after, Edison began to test his future lighting system with an electric network of feeder, mains and service wires. Wooden lampposts were installed along imaginary streets and half dozen houses were wired along with the laboratory and other buildings. The system was successfully demonstrated in 1881 and led to the award of a franchise to electrify New York City in that year.
-Edison also pioneered in railroad electrification. In 1880, a prototype electric railway was constructed at Menlo Park running about one-third of a mile around a hill and back. A small electric locomotive was powered by a [[Dynamo|dynamo]] functioning as a motor. Current was supplied from the generating station in back of the laboratory to the rail.
-The years at the Menlo Park labs were most productive in Edison’s working life. From 1876 through 1884, over 400 patents for electrical, electro-technology or electro-mechanical devices were generated at Menlo Park. To commemorate Edison, the Thomas Alva Edison Memorial Tower and Menlo Park Museum was built in 1937 and dedicated to him the following year. The Tower is located where Thomas Edison had his laboratory.
-The Menlo Park site was totally devoted to the advancement of the application of science and technology for practical products to be used for the benefit of society. The inventions and innovative achievements produced at Menlo Park impacted all aspects of the world. At the site, Thomas Edison carried out technology innovation, business creation and societal improvements which continue on today. In addition, Menlo Park became an important model for the industrial research laboratories of the early 1900s. Every major corporation and university has a research and development laboratory, recorded sound is everywhere, telephone and electric light and power systems blanket the globe. It all began at Menlo Park where “Today was Invented.”
 == Map ==
-{{#display_map:40.56503, -74.33743~ ~ ~ ~ ~Israel Institute of Technology, Haifa, Israel|height=250|zoom=10|static=yes|center=40.56503, -74.33743}}
+{{#display_map:59.943371, 30.378571~ ~ ~ ~ ~St. Petersburg State Electrotechnical University, Professor Popov str. 5, St. Petersburg, Russia|height=250|zoom=10|static=yes|center=59.943371, 30.378571}}
-[[Category:Inventors |Edison]] [[Category:Incandescent lighting|Edison]] [[Category:Audio recording|Edison]] [[Category:Telephony|Edison]] [[Category:Power generation|Edison]] [[Category:Energy|Edison]]
-[[Category:Inventors|{{PAGENAME}}]]
+[[Category:Communications|{{PAGENAME}}]]
+[[Category:Telegraphy|{{PAGENAME}}]]
+[[Category:Wireless_telegraphy|{{PAGENAME}}]]
+[[Category:News|{{PAGENAME}}]]