 | 1883 - 706 sider
...telephone is placed on it ; this impulse, passing through the microphone, sets both telephone discs in motion ; and the instrument on the board, reacting...microphone. It follows that the question of providing a rday for the human voice in telephony is thus solved. The transmission of sound through the microphone... | |
 | 1883 - 692 sider
...telephone is placed on it ; this impulse, passing through the microphone, sets both telephone discs in motion ; and the instrument on the board, reacting...so long as the independent current of electricity i& maintained through the microphone. It follows that the question of providing a relay for the human... | |
 | 1885 - 1076 sider
...will emanate from the other. The sound is started by the vibration which ii imparted to the bo;ird when the telephone is placed on it ; this impulse,...is perfectly duplex; for if two correspondents use microph ines as transmitters and telephones as receivers, each c:in hear the other, but his own speech... | |
 | 1895 - 534 sider
...telephone is placed on it; this impulse, passing through the microphone, sets both telephone discs in motion; and the instrument on the board, reacting through the microphone, causes a continous sound to be produced, which is permanent so long as the independent current of electricity... | |
 | Institute of Physics and the Physical Society - 1876 - 674 sider
...found no such insulator for sound as gutta-percha is for electricity. Caoutchouc seems to be the best 3 but I have never been able by the use of any amount...independent current of electricity is maintained through the microphono. It follows that the question of providing a relay for the human voice in telephony is thus... | |
 | Institution of Electrical Engineers - 1883 - 686 sider
...telephone is placed on it ; this impulse, passing through the microphone, sets both telephone discs in motion ; and the instrument on the board, reacting...microphone. It follows that the question of providing a rday for the human voice in telephony is thus solved. The transmission of sound through the microphone... | |
 | Institution of Electrical Engineers - 1910 - 900 sider
...and placed upon the resonant board, caused a continuous sound to be produced. It follows, he says, that the question of providing a relay for the human voice in telephony is thus solved. Unfortunately it was not solved ; he had shown how to make a relay that would magnify a noise or musical... | |
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... in motion ; and the instrument on the board, reacting through the microphone, causes a continuous sound to be produced, which is permanent so long as the independent current of electricity is maintained through the microphone. It follows that the... 