- a
Danish engineer who
developed a
magnetic wire
recorder called the
telegraphone in 1898. He also made
significant contributions to
early radio technology...
- be made
commercially available anywhere was the
Telegraphone,
manufactured by the
American Telegraphone Company, Springfield, M****achusetts in 1903. The...
- telephone-based
recording devices with no
means of amplification, such as the
telegraphone, it
remained so
until the 1920s.
Between the
invention of the phonograph...
-
plant operator Operator of a
stationary winch,
launching a hang glider.
Telegraphone with
operator "Society of
Broadcast Engineers". Sbe.org.
Retrieved 2019-06-05...
- and pla**** back
through a loudspeaker. The
first wire
recorder was the
Telegraphone invented by
Valdemar Poulsen in the late 1890s. Wire
recorders for law...
- cars, dry cell batteries,
electric fire engines,
talking films, the
telegraphone (the
first magnetic audio recorder), the
galalith and the matryoshka...
-
Poulsen on the
developmental work on Wire recorders,
which he
called a
telegraphone, the arc
converter known as the
Poulsen Arc Transmitter, and his work...
-
demonstrated in
principle as
early as 1898 by
Valdemar Poulsen in his
telegraphone.
Magnetic wire recording, and its successor,
magnetic tape recording...
-
Votey completes the
first Pianola 1898 :
Valdemar Poulsen patents the
Telegraphone 1906 :
Thaddeus Cahill introduces the
Telharmonium to the
public 1906 :...
-
Danish inventor Valdemar Poulsen (1869–1942), who was the
inventor of the
telegraphone steel wire
magnetic recorder. Tigerstedt, too, had
experimented with...
