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- Semi_Joseph_Begun abstract "Semi Joseph Begun (born in Germany in 1905, died 1995), usually referred to as S. Joseph Begun, was a German-American engineer and inventor.In 1943 Begun was Vice President of Research for Brush Development Company, Cleveland, Ohio. Brush’s main business was the production of piezoelectric phonograph pickups, the least expensive and most widely used pickup of the late 1930s. They also, however, produced in cooperation with Western Electric the magnetic tape sound recorders. These used hardened steel tape as the recording medium. Another product they manufactured were known as "wire recorders." These used stainless steel wire, with a composition similar to (or perhaps identical with) high carbon high chromium cutlery steel, which is ferromagnetic, as the recording medium. The recording head was a split ring, with the wire running in a groove in the head, quite similar to the heads used today. High frequency AC bias was used to linearize the recording. The ferritic stainless steel was quite strong. Diamond dies were required to draw it into wire. Dr. Begun obtained a contract from the National Defense Research Council to perform research and development on a substitute for the stainless steel wire. The work was justified by the military use of the recorders and the shortage of facilities for producing the diamond dies.Dr. Begun had two concepts in mind for a different recording medium. One was to find a means for coating a ductile nonmagnetic metal wire with a metallic magnetic coating. The other was to coat a non-metallic tape with a magnetic coating. He placed the work on wire in the Research Department of Brush Development Company, and contracted with Battelle Memorial Institute, Columbus, Ohio, for work on the development of a coated non-metallic tape.".
- Semi_Joseph_Begun birthDate "1905-12-02".
- Semi_Joseph_Begun birthYear "1905".
- Semi_Joseph_Begun deathDate "1995-01-05".
- Semi_Joseph_Begun deathYear "1995".
- Semi_Joseph_Begun knownFor Tape_recorder.
- Semi_Joseph_Begun nationality Germany.
- Semi_Joseph_Begun nationality United_States.
- Semi_Joseph_Begun viafId "26718894".
- Semi_Joseph_Begun wikiPageExternalLink index.pl?node_id=1214410.
- Semi_Joseph_Begun wikiPageExternalLink Joseph_Begun.htm.
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- Semi_Joseph_Begun birthDate "1905-12-02".
- Semi_Joseph_Begun caption "S. J. Begun".
- Semi_Joseph_Begun dateOfBirth "1905-12-02".
- Semi_Joseph_Begun dateOfDeath "1995-01-05".
- Semi_Joseph_Begun deathDate "1995-01-05".
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- Semi_Joseph_Begun knownFor Tape_recorder.
- Semi_Joseph_Begun name "Begun, Semi Joseph".
- Semi_Joseph_Begun name "Hess Joseph begun".
- Semi_Joseph_Begun nationality Germany.
- Semi_Joseph_Begun nationality United_States.
- Semi_Joseph_Begun shortDescription "American businessman".
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- Semi_Joseph_Begun description "American businessman".
- Semi_Joseph_Begun description "American businessman".
- Semi_Joseph_Begun subject Category:1905_births.
- Semi_Joseph_Begun subject Category:1995_deaths.
- Semi_Joseph_Begun subject Category:Businesspeople_from_Ohio.
- Semi_Joseph_Begun subject Category:German_emigrants_to_the_United_States.
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- Semi_Joseph_Begun comment "Semi Joseph Begun (born in Germany in 1905, died 1995), usually referred to as S. Joseph Begun, was a German-American engineer and inventor.In 1943 Begun was Vice President of Research for Brush Development Company, Cleveland, Ohio. Brush’s main business was the production of piezoelectric phonograph pickups, the least expensive and most widely used pickup of the late 1930s. They also, however, produced in cooperation with Western Electric the magnetic tape sound recorders.".
- Semi_Joseph_Begun label "Semi J. Begun".
- Semi_Joseph_Begun label "Semi Joseph Begun".
- Semi_Joseph_Begun label "Semi Joseph Begun".
- Semi_Joseph_Begun sameAs Semi_J._Begun.
- Semi_Joseph_Begun sameAs Semi_Joseph_Begun.
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- Semi_Joseph_Begun givenName "Semi Joseph".
- Semi_Joseph_Begun isPrimaryTopicOf Semi_Joseph_Begun.
- Semi_Joseph_Begun name "Begun, Semi Joseph".
- Semi_Joseph_Begun name "Hess Joseph begun".
- Semi_Joseph_Begun name "Semi Joseph Begun".
- Semi_Joseph_Begun surname "Begun".