Matches in DBpedia 2014 for { <http://dbpedia.org/resource/Charles_Bourseul> ?p ?o. }
Showing items 1 to 57 of
57
with 100 items per page.
- Charles_Bourseul abstract "Charles Bourseul (28 April 1829 – 23 November 1912) was a pioneer in development of the "make and break" telephone about 20 years before Bell made a practical telephone.Bourseul was born in Brussels, Belgium, and grew up in Douai, France. His father was a French army officer. Charles worked for the telegraph company as a civil engineer and mechanic. He made improvements to the telegraph system of L. F. Breguet (a French instrument maker ) and Samuel F. B. Morse. Charles Bourseul experimented with the electrical transmission of the human voice and developed an electromagnetic microphone, but his telephone receiver was unable to convert electrical current back into clear human voice sounds.In 1854 Bourseul wrote a memorandum on the transmission of the human voice by electrical currents that was first published in a magazine L'Illustration (Paris), though no prototype was built. That is about the same time that Meucci later claimed to have created his first attempt at the telephone in Italy. Bourseul explained: “Suppose that a man speaks near a movable disc sufficiently flexible to lose none of the vibrations of the voice; that this disc alternately makes and breaks the currents from a battery: you may have at a distance another disc which will simultaneously execute the same vibrations.... It is certain that, in a more or less distant future, speech will be transmitted by electricity. I have made experiments in this direction; they are delicate and demand time and patience, but the approximations obtained promise a favourable result.”Bourseul died in Saint-Céré, France, at the age of 83.".
- Charles_Bourseul birthDate "1829-04-28".
- Charles_Bourseul birthYear "1829".
- Charles_Bourseul deathDate "1912-11-23".
- Charles_Bourseul deathYear "1912".
- Charles_Bourseul thumbnail Charles-bourseul-l-enfant-de-douai-qui-1690515.jpg?width=300.
- Charles_Bourseul viafId "61536339".
- Charles_Bourseul wikiPageExternalLink 1870-.html.
- Charles_Bourseul wikiPageID "4106031".
- Charles_Bourseul wikiPageRevisionID "540950522".
- Charles_Bourseul dateOfBirth "1829-04-28".
- Charles_Bourseul dateOfDeath "1912-11-23".
- Charles_Bourseul hasPhotoCollection Charles_Bourseul.
- Charles_Bourseul name "Bourseul, Charles".
- Charles_Bourseul subject Category:1829_births.
- Charles_Bourseul subject Category:1912_deaths.
- Charles_Bourseul subject Category:French_inventors.
- Charles_Bourseul type CausalAgent100007347.
- Charles_Bourseul type Creator109614315.
- Charles_Bourseul type FrenchInventors.
- Charles_Bourseul type Inventor110214637.
- Charles_Bourseul type LivingThing100004258.
- Charles_Bourseul type Object100002684.
- Charles_Bourseul type Organism100004475.
- Charles_Bourseul type Person100007846.
- Charles_Bourseul type PhysicalEntity100001930.
- Charles_Bourseul type Whole100003553.
- Charles_Bourseul type YagoLegalActor.
- Charles_Bourseul type YagoLegalActorGeo.
- Charles_Bourseul type Agent.
- Charles_Bourseul type Person.
- Charles_Bourseul type Person.
- Charles_Bourseul type Q215627.
- Charles_Bourseul type Q5.
- Charles_Bourseul type Agent.
- Charles_Bourseul type NaturalPerson.
- Charles_Bourseul type Thing.
- Charles_Bourseul type Person.
- Charles_Bourseul comment "Charles Bourseul (28 April 1829 – 23 November 1912) was a pioneer in development of the "make and break" telephone about 20 years before Bell made a practical telephone.Bourseul was born in Brussels, Belgium, and grew up in Douai, France. His father was a French army officer. Charles worked for the telegraph company as a civil engineer and mechanic. He made improvements to the telegraph system of L. F. Breguet (a French instrument maker ) and Samuel F. B. Morse.".
- Charles_Bourseul label "Charles Bourseul".
- Charles_Bourseul label "Charles Bourseul".
- Charles_Bourseul label "Charles Bourseul".
- Charles_Bourseul label "Charles Bourseul".
- Charles_Bourseul sameAs Charles_Bourseul.
- Charles_Bourseul sameAs Charles_Bourseul.
- Charles_Bourseul sameAs Charles_Bourseul.
- Charles_Bourseul sameAs m.0bjcz1.
- Charles_Bourseul sameAs Q1063776.
- Charles_Bourseul sameAs Q1063776.
- Charles_Bourseul sameAs Charles_Bourseul.
- Charles_Bourseul wasDerivedFrom Charles_Bourseul?oldid=540950522.
- Charles_Bourseul depiction Charles-bourseul-l-enfant-de-douai-qui-1690515.jpg.
- Charles_Bourseul givenName "Charles".
- Charles_Bourseul isPrimaryTopicOf Charles_Bourseul.
- Charles_Bourseul name "Bourseul, Charles".
- Charles_Bourseul name "Charles Bourseul".
- Charles_Bourseul surname "Bourseul".