10 PORTUGUESE BOOKS RELATING TO «TELEGRAFONE»
Discover the use of
telegrafone in the following bibliographical selection. Books relating to
telegrafone and brief extracts from same to provide context of its use in Portuguese literature.
1
Enciclopedia Basica Da Midia Eletronica
Foi o engenheiro dinamarquês Valdemar Poulsen quem primeiro demonstrou,
em 1900, o principio da gravação magnética. Seu invento, chamado telegrafone,
gravava magneticamente a voz num condutor metálico. Nos anos seguintes, nos
...
2
On video: o significado do vídeo nos meios de comunicação
A fita de som Embora a gravação em fita tenha sido introduzida comercialmente
muito depois do gramofone, um primeiro sistema — o telegrafone — foi de fato
patenteado em 1898 por um engenheiro dinamarquês, Valdemar Poulsen, que ...
ROY ARMES, George Schlesinger, Roy Armes, 1999
Telegrafone In 1898 Valdemar Poulsen investigated the possibility of
magnetizing limited areas of a steel element which was sufficiently hard to
prevent the magnetization from spreading to its ends. For this purpose he took a
steel plate and ...
4
The Journal of the British Institution of Radio Engineers
Telegrafone In 1898 Valdemar Poulsen investigated the possibility of
magnetizing limited areas of a steel element which was sufficiently hard to
prevent the magnetization from spreading to its ends. For this purpose he took a
steel plate and ...
5
Electronic Motion Pictures: A History of the Television Camera
Likewise in 1899 the Danish physicist Valdemar Poulsen produced and patented
his Telegrafone. This was a machine that recorded sound magnetically. Poulsen
was able to give practical demonstrations of his apparatus in which he used a ...
6
Dynamics of Political Development in Afghanistan: The ...
The Soviet news agency Telegrafone Agentsvo Sovietskogo Soyuza (TASS)
provided material to Afghan news agencies. In contrast to the United States,
students who completed their advanced education in the Soviet Union tended to
return ...
7
Journal of the Society of Motion Picture and Television ...
Most people are familiar with the Telegrafone, the name which Poulsen gave to
his magnetic sound recorder and reproducer, in which a steel wire was run past a
magnetic head to which signals were fed and thereby recorded on the wire, the ...
MOST PEOPLE are familiar with the Telegrafone, the name which Poulsen gave
to his magnetic sound recorder and reproducer, in which a steel wire was run
past a magnetic head to which signals were fed and thereby recorded on the wire
, ...
Society of Motion Picture and Television Engineers, 1950
9
Journal of the American Medical Association
Actual sound records can be made on the telegrafone, a form of electric
phonograph. Fig. 6. — Oscillograph. CLINICAL APPLICATION The tremendous
clinical importance of this electro- physical advance now becomes evident.
Williams, in ...
10
JAMA: The Journal of the American Medical Association
Actual sound records can be made on the telegrafone, a form of electric
phonograph. Fig. 6.—Oseillngraph. CLINICAL APPLICATION The tremendous
clinical importance of this electrophysical advance now becomes evident.
Williams, in ...
NEWS ITEMS WHICH INCLUDE THE TERM «TELEGRAFONE»
Find out what the national and international press are talking about and how the term
telegrafone is used in the context of the following news items.
A sociedade da hipercomunicação
... europeu Guglielmo Marconi], a gravação magnética de sons em 1898 [o invento chamado inicialmente de telegrafone ficou popularmente conhecido durante ... «Observatorio Da Imprensa, Mar 14»
