carbon microphone वाक्य
उदाहरण वाक्य
मोबाइल
- The double button carbon microphone with stretched diaphragm was a marked improvement.
- The carbon microphone was further improved by Emile Berliner, Anthony White.
- Carbon microphones were widely used in telephones from 1890 until the 1980s.
- Their first experiment used a carbon microphone.
- To modulate this transmitter he inserted a carbon microphone in series with the supply lead.
- Old handsets manufactured before 1985 using a carbon microphone transmitter are not sensitive to polarity.
- Edison used the carbon microphone concept in 1877 to create an improved telephone for Western Union.
- The carbon microphone remained standard in telephony until the 1980s, and is still being produced.
- The carbon microphone was also used in radio broadcasting and public address work through the 1920s.
- In 1879, the Bell company acquired Edison's patents for the carbon microphone from Western Union.
- This was in spite of some carbon microphones used, which had resonances that colored the recorded tone.
- Including the quadruplex telegraph, the carbon microphone, phonograph, incandescent light bulb and system of electric lighting.
- Alexander Graham Bell hired Blake and put him to work with Emile Berliner who also invented a carbon microphone.
- Carbon microphones found use as early telephone repeaters, making long distance phone calls possible in the era before vacuum tubes.
- The first microphone that enabled proper voice telephony was the ( loose-contact ) carbon microphone ( then called transmitter ).
- In 1878, David E . Hughes noticed that sparks could be heard in a telephone receiver when experimenting with his carbon microphone.
- The passive hydrophones of the Imperial Japanese Navy were based on moving coil design, Rochelle salt piezo transducers, and carbon microphones.
- He moved back to London in 1857 and further pursued experimentation and invention, coming up with an improved carbon microphone in 1878.
- To pick up the programmes, multiple large carbon microphones were placed in the theatre footlights to pick up the sounds of the performers.
- The frequency response of the carbon microphone, however, is limited to a narrow range, and the device produces significant electrical noise.
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