10 ENGLISH BOOKS RELATING TO «CARBON MICROPHONE»
Discover the use of
carbon microphone in the following bibliographical selection. Books relating to
carbon microphone and brief extracts from same to provide context of its use in English literature.
1
Acoustics for Engineers: Troy Lectures
An illustrative historic example is the carbon microphone, which was an important
part of telephone technology for about a century and was, during that period, the
most frequently-used microphone type worldwide. The carbon microphone is a ...
Jens Blauert, Ning Xiang, 2009
In the carbon microphone sound is incident on a diaphragm attached to a
plunger that applies a force to carbon granules. An example is shown in Fig. 7.
The resistance of the volume of carbon granules, Rc is a function of the force
applied and ...
The basis of radio telephone operation is the process of modulation and most
common of all modulating systems is the battery-operated land telephone circuit
consisting of a simple carbon microphone, a battery, and an earphone. In a
sense ...
4
TELECOMMUNICATION SWITCHING SYSTEMS AND NETWORKS
Microphone converts speech signals into electrical signals and the earphone
converts electrical signals into audio signals. Most commonly used microphone is
a carbon microphone. Carbon microphones do not produce high fidelity signals,
...
THIAGARAJAN VISWANATHAN, 1992
5
Beginning Analog Electronics Through Projects
Turn the gain-control potentiometer R5 to a midpoint setting. Put the switch SI in
the off position. Plug in a low-signal source to the preamplifier input, for example,
a carbon microphone or a phonograph. Switch on the power amplifier, keeping ...
As a considered decision Hughes did not patent his carbon microphone and the
basic loose contact idea was developed and improved over the subsequent
years. Although carbon microphones were used for both recording and
broadcasting ...
7
Academic Press Dictionary of Science and Technology
carbon black carbon microphone carbon black Chemistry, an amorphous form of
finely divided carbon that is produced by the partial combustion of hydrocarbons.
Also, gas BLACK. Materials, an amorphous powdered carbon produced by the ...
Christopher G. Morris, 1992
8
Textbook of Hearing Aid Amplification
Robert E. Sandlin. Figure 1-9. Average insertion gain of four antique trumpet (
bottom curve, compaired to two transistor curves above). From de Boer, 1982.
Reprinted with permission. Figure 1-10. 1930 carbon microphone with cover
removed.
9
The Sound Reinforcement Handbook
Construction of a carbon microphone impedance of the element from that of the
input to which it is connected, and to block the battery DC from the input. Carbon
microphones are not known for excellent sonic characteristics, but they are quite
...
Gary Davis, Gary D. Davis, 1989
10
Principles of Avionics
7.2 Carbon microphone By connecting a diaphragm to the container, the variable
pressure of sound waves compress and expand the carbon granules for a
variation in resistance that follows the sound pressure. The phrase “proportional
to the ...
10 NEWS ITEMS WHICH INCLUDE THE TERM «CARBON MICROPHONE»
Find out what the national and international press are talking about and how the term
carbon microphone is used in the context of the following news items.
Back to the roots of county music, Uncle Dave Macon
On Nov. 28, 1925, a white-bearded man sat before a carbon microphone to play a few fiddle tunes on WSM radio. Uncle Jimmy Thompson ... «Murfreesboro Post, Jun 15»
A history of hearing aids
The invention of the carbon microphone, transmitters, digital signal processing chip or DSP, and the development of computer technology ... «insideTORONTO.com, Feb 15»
JJ Abrams Is Making a Thomas Edison Biopic
... the carbon microphone, and once electrocuted an elephant—is hot right now. The Weinstein Brothers are also working on an Edison biopic. «Popular Mechanics, Feb 15»
Special Feature: David Edward Hughes, the father of the microphone
On the 115th death anniversary of Welsh-American scientist and musician David Edward Hughes, inventor of the first carbon microphone, we ... «Mid-Day, Jan 15»
The history of hearing aids
The invention of the carbon microphone, transmitters, digital signal processing (DSP) chips, and the advancements in modern day technology ... «London Community News, Jan 15»
A look back at some of Thomas Edison's greatest inventions
Carbon telephone transmitter: In 1877–78, Edison invented and developed the carbon microphone used in all telephones along with the Bell ... «Mid-Day, Oct 14»
How Students Lead the Learning Experience at Democratic Schools
The patent for the carbon microphone would have gone to its rightful inventor. And who knows what benefits earlier adoption of AC current ... «KQED, Oct 14»
"Ralph Peer: Record Man" at Country Music Hall of Fame and Museum
A Western Electric 387W double-button carbon microphone, like the one Peer used in 1927 to record Jimmie Rodgers and the Carter Family in ... «Cybergrass Bluegrass Music News, Sep 14»
Back to the roots of country music and Uncle Dave Macon
28, 1925, a white-bearded man sat before a carbon microphone to play a few fiddle tunes on WSM radio. Uncle Jimmy Thompson played on ... «Murfreesboro Post, Jul 14»
Apple Reinvents the Vehicle Owner's Manual
... an electret condenser microphone, a dynamic microphone, a ribbon microphone, a carbon microphone, a piezoelectric microphone, a fiber ... «Patently Apple, Mar 14»
