Valdemar Poulsen (23 November 1869 – 6 August 1942) was a Danish engineer who developed a magnetic wire recorder called the telegraphone in 1898. He also...
13 KB (1,389 words) - 04:14, 19 August 2024
Arc converter (redirect from Poulsen arc)
converter, sometimes called the arc transmitter, or Poulsen arc after Danish engineer Valdemar Poulsen who invented it in 1903, was a variety of spark transmitter...
16 KB (2,036 words) - 14:34, 9 April 2024
The Valdemar Poulsen Gold Medal, named after radio pioneer Valdemar Poulsen, was awarded each year for outstanding research in the field of radio techniques...
6 KB (405 words) - 01:15, 23 November 2020
Robert Watson-Watt (category Valdemar Poulsen Gold Medal recipients)
Sir Robert Alexander Watson-Watt KCB FRS FRAeS (13 April 1892 – 5 December 1973) was a Scottish radio engineer and pioneer of radio direction finding and...
34 KB (3,835 words) - 19:39, 23 August 2024
magnetization. The first crude magnetic recorder was invented in 1898 by Valdemar Poulsen. The first magnetic recorder to be made commercially available anywhere...
21 KB (2,860 words) - 13:27, 27 June 2024
Jay Wright Forrester (category Valdemar Poulsen Gold Medal recipients)
Jay Wright Forrester (July 14, 1918 – November 16, 2016) was an American computer engineer, management theorist and systems scientist. He spent his entire...
18 KB (1,871 words) - 02:24, 25 August 2024
Hidetsugu Yagi (category Valdemar Poulsen Gold Medal recipients)
Hidetsugu Yagi (八木 秀次, Yagi Hidetsugu, January 28, 1886 – January 19, 1976) was a Japanese electrical engineer from Osaka, Japan. When working at Tohoku...
7 KB (646 words) - 22:08, 20 August 2024
Oberlin Smith and demonstrated in practice in 1898 by Danish engineer Valdemar Poulsen. Analog magnetic wire recording, and its successor, magnetic tape recording...
48 KB (5,599 words) - 16:42, 7 September 2024
John R. Pierce (category Valdemar Poulsen Gold Medal recipients)
John Robinson Pierce (March 27, 1910 – April 2, 2002), was an American engineer and author. He did extensive work concerning radio communication, microwave...
16 KB (1,614 words) - 07:45, 30 August 2024
Ernst Alexanderson (category Valdemar Poulsen Gold Medal recipients)
from the American Institute of Electrical Engineers, now IEEE, (1944) Valdemar Poulsen Gold Medal from the Danish Academy of Technical Sciences [da] (1947)...
15 KB (1,401 words) - 03:34, 31 July 2024
cooperation with Valdemar Poulsen on the developmental work on Wire recorders, which he called a telegraphone, the arc converter known as the Poulsen Arc Transmitter...
5 KB (282 words) - 20:59, 4 April 2024
Electrical World as "Some possible forms of phonograph". By 1898, Valdemar Poulsen had demonstrated a magnetic recorder and proposed magnetic tape. Fritz...
9 KB (1,015 words) - 12:30, 28 July 2024
J. B. Gunn (category Valdemar Poulsen Gold Medal recipients)
and received the 1969 IEEE Morris N. Liebmann Memorial Award, the Valdemar Poulsen Medal of the Royal Danish Academy of Sciences and Letters, and the...
22 KB (2,355 words) - 04:01, 31 July 2024
the arc converter transmitter, which had been initially developed by Valdemar Poulsen in 1903. Arc transmitters worked by producing a pulsating electrical...
74 KB (9,173 words) - 05:37, 15 August 2024
and actress Valdemar Poulsen (1869–1942), Danish engineer Polson (surname) Poulson (surname) This page lists people with the surname Poulsen. If an internal...
4 KB (555 words) - 22:08, 10 July 2024
laboratory of Valdemar Poulsen, the inventor of magnetic recording and the Poulsen System of Radio in 1903. He became an assistant to Poulsen in 1905 and...
7 KB (724 words) - 17:37, 27 December 2023
waves over a distance of five kilometers. 1898 The Danish physicist Valdemar Poulsen creates the world's first magnetic recording and reproduction, using...
52 KB (4,488 words) - 02:41, 29 August 2024
Harald T. Friis (category Valdemar Poulsen Gold Medal recipients)
the IRE Medal of Honor (now the IEEE Medal of Honor) in 1955, the Valdemar Poulsen Gold Medal of the Danish Academy of Technical Sciences [da] in 1956...
7 KB (609 words) - 22:40, 14 April 2024
1928 in Germany, based on the invention of magnetic wire recording by Valdemar Poulsen in 1898. Not until the end of World War II could the technology be...
19 KB (2,251 words) - 05:15, 2 September 2024
Andrew H. Bobeck (category Valdemar Poulsen Gold Medal recipients)
Andrew H. Bobeck (October 1, 1926 – December 14, 2017) was a Bell Labs researcher best known for his invention of bubble memory. Bobeck was born in Tower...
6 KB (504 words) - 03:05, 31 July 2024
(Paris Exposition of 1900) magnetic recorder was invented by Valdemar Poulsen in 1898. Poulsen's device recorded a signal on a wire wrapped around a drum...
18 KB (2,106 words) - 16:21, 7 May 2024
Franklin Leonard Pope Telegraphy, electric lighting, Edison influence Valdemar Poulsen Magnetic recording Michael I. Pupin Long-distance telephone communication;...
18 KB (38 words) - 19:16, 27 August 2024
Charles Ginsburg (category Valdemar Poulsen Gold Medal recipients)
Vladimir K. Zworykin Award of the Institute of Radio Engineers (1958), Valdemar Poulsen Gold Medal from the Danish Academy of Technical Sciences [da] (1960)...
5 KB (417 words) - 03:16, 31 July 2024
Most 20th-century answering machines used magnetic recording, which Valdemar Poulsen invented in 1898. The creation of the first practical automatic answering...
17 KB (2,130 words) - 05:13, 15 August 2024
Balthasar van der Pol (category Valdemar Poulsen Gold Medal recipients)
Known for Van der Pol oscillator Awards IEEE Medal of Honor (1935) Valdemar Poulsen Medal (1953) Scientific career Fields Physics Thesis (1920) Doctoral...
7 KB (635 words) - 12:35, 1 August 2024
the manager of Anglo-American Telegraph Company which controlled the Valdemar Poulsen patents. He was a public detractor of Guglielmo Marconi in the early...
5 KB (340 words) - 18:20, 7 May 2024
Robert Storm Petersen (1982) Erich Pontoppidan (1998) Christian Poulsen (1991) Valdemar Poulsen (1969) Rasmus Rask (1987) Helge Refn (1985) Poul Reichhardt...
6 KB (695 words) - 00:27, 25 June 2024
Early experiments in AM radio transmission, conducted by Fessenden, Valdemar Poulsen, Ernst Ruhmer, Quirino Majorana, Charles Herrold, and Lee de Forest...
35 KB (4,576 words) - 18:26, 17 August 2024
magnetic wire recorder, which was based on the work of Danish inventor Valdemar Poulsen. Magnetic wire recorders were effective, but the sound quality was...
57 KB (7,219 words) - 13:01, 8 September 2024