About: Otto Julius Zobel

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Otto Julius Zobel (October 20, 1887 – January 1970) was an electrical engineer who worked for the American Telephone & Telegraph Company (AT&T) in the early part of the 20th century. Zobel's work on filter design was revolutionary and led, in conjunction with the work of John R. Carson, to significant commercial advances for AT&T in the field of frequency-division multiplex (FDM) telephone transmissions.

Attributes	Values
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rdfs:label	أوتو جوليوس زوبل (ar) Otto Julius Zobel (de) Otto Julius Zobel (es) Otto Julius Zobel (it) Otto Julius Zobel (fr) Otto Julius Zobel (en)
rdfs:comment	أوتو جوليوس زوبل (بالإنجليزية: Otto Julius Zobel)‏ (20 أكتوبر 1887 - يناير 1970) هو مهندس كهربائي أمريكي عَمل في التليفون والتلغراف الأمريكي في بدايات القرن العشرين. (ar) Otto Julius Zobel (* 20. Oktober 1887 in Ripon (Wisconsin); † Januar 1970 in Morristown (New Jersey)) war ein US-amerikanischer Elektroingenieur und leistete im Bereich der Dimensionierung von Filtern wesentliche Arbeiten zu Beginn der Nachrichtentechnik. (de) Otto Julius Zobel (Ripon, 20 ottobre 1887 – Morristown, gennaio 1970) è stato un ingegnere elettrotecnico e inventore statunitense che lavorò presso la American Telephone & Telegraph Company nei primi decenni del XX secolo. Zobel fece un lavoro innovativo nel progettare filtri e assieme all'opera di , diede un impulso commerciale significativo alla AT&T nel campo della frequency division multiplex (FDM) nella telefonia. Il lavoro di Zobel è ancora valido nella progettazione dei filtri, alla base della teoria dei filtri. Zobel inventò il m-derived filter e la rete di Zobel. Zobel e Carson aiutarono a comprendere il rumore elettrico nei circuiti, dichiarando che è impossibile eliminarlo completamente. Anticiparono il lavoro di Claude Shannon, sulla teoria della trasmissione dei segnali. (it) Otto Julius Zobel (20 de octubre de 1887 - enero de 1970) fue un ingeniero de diseño estadounidense que trabajó para la American Telephone & Telegraph Company (AT&T) durante la primera mitad del siglo XX. Los trabajos de Zobel en el diseño de filtros fueron revolucionarios y dieron lugar, en relación con la obra de John R. Carson, a importantes avances comerciales de AT&T en el ámbito de la multiplexación por división de frecuencia (FDM) en las transmisiones de los teléfonos. (es) Otto Julius Zobel (20 octobre 1887 - 11 janvier 1970) était un ingénieur ayant travaillé pour le compte de la société AT&T au début du XXe siècle. Son travail sur les filtres électriques, ainsi que ceux de John R. Carson, ont mené à une importante avancée technologique dans le domaine de la transmission de signaux téléphoniques par le multiplexage fréquentiel (FDM). (fr) Otto Julius Zobel (October 20, 1887 – January 1970) was an electrical engineer who worked for the American Telephone & Telegraph Company (AT&T) in the early part of the 20th century. Zobel's work on filter design was revolutionary and led, in conjunction with the work of John R. Carson, to significant commercial advances for AT&T in the field of frequency-division multiplex (FDM) telephone transmissions. (en)
foaf:name	Otto Julius Zobel (en)
name	Otto Julius Zobel (en)
foaf:depiction
birth place	Ripon, Wisconsin
death place	Morristown, New Jersey
death place	Morristown, New Jersey
birth place	Ripon, Wisconsin
birth date	1887-10-20 (xsd:date)
dcterms:subject	Engineers from Wisconsin 1887 births 1970 deaths 20th-century American inventors Engineers from New Jersey People from Morristown, New Jersey Scientists at Bell Labs University of Minnesota faculty University of Wisconsin–Madison College of Letters and Science alumni American electronics engineers Ripon College (Wisconsin) alumni American electrical engineers Radio pioneers People from Ripon, Wisconsin
Wikipage page ID	16144107 (xsd:integer)
Wikipage revision ID	1123962172 (xsd:integer)
Link from a Wikipage to another Wikipage	Amplitude modulation Engineers from Wisconsin Electronic filter topology M-derived filter Passband Passivity (engineering) Bell Labs Ripon, Wisconsin Ripon College (Wisconsin) Ripon High School (Wisconsin) Cutoff frequency Decomposition (computer science) Institution of Electrical Engineers John Bray (communications engineer)

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