9
votes
Accepted
When was beeping invented, in a user interface sense?
Tones as means of user interface were invented in 1908:
Invented by engineer August Kruckow, the dial tone was first used in 1908 in Hildesheim, Germany
Note that in Europe, call progress tones are ...
- 16.4k
4
votes
When was beeping invented, in a user interface sense?
A beep is a fixed frequency signal generated by one of the most simple electronics possible. It predates for sure any more complex electronic sound. So the answer may be: It was used as soon as ...
- 174k
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