The one that used morse code and transmitted it to other places?
2007-03-13 17:47:54 · 6 answers · asked by Anonymous in Consumer Electronics ➔ Other - Electronics
Morse code sounder
2007-03-13 17:51:26 · answer #1 · answered by Mickey Mouse Spears 7 · 0⤊ 0⤋
A Telegraph. The Morse code was invented by Samuel
Morse.
2007-03-14 01:01:01 · answer #2 · answered by V B 5 · 2⤊ 0⤋
Radio transmitter. Since you get a radio wave every time you switch current in a wire on and off, a radio transmitter consists of a battery, a switch (usually a tube or transistor) and some wire. The switch turns the current through the wire on and off at millions or billions or trillions of times per second, and the radio waves thus formed move out through the air at the speed of light, pretty much in all directions. To send messages, you use another switch to produce short bursts of these radio waves according to a code you and your receipent have previously agreed upon. Morse code is one of these. You can also send the sort of digital code that appears in an MP3 file, which gives you present-day digital radio.
2007-03-14 01:03:54 · answer #3 · answered by 2n2222 6 · 1⤊ 0⤋
A telegraph machine?
2007-03-14 00:51:28 · answer #4 · answered by atrain3868 2 · 0⤊ 0⤋
telegraph
2007-03-14 00:52:19 · answer #5 · answered by hutmikttmuk 4 · 0⤊ 0⤋
The TRANSMITTER!!
2007-03-14 01:33:27 · answer #6 · answered by NOKIA 6103 By T*MOBILE 3 · 0⤊ 0⤋