Data modem and ADSL
Módem de datos y ADSL
- Date
- 1962-1988 · confidence high
- Place
- Bell Labs (Bell 103, 1962) and Bellcore, Morristown, New Jersey, United States (ADSL, 1988)
- Credited to
- AT&T Bell Labs (commercial modem); Joseph Lechleider (Bellcore, ADSL); the Hayes Smartmodem (1981)
- People
- 👤 Joseph Lechleider1933–2015
- Field
- Communication
What it is
Devices that transmit digital data over copper telephone lines, first at 300 baud and later at megabits via ADSL. They connected homes to the internet.
What it led to
- Bulletin board systems and online services (CompuServe, AOL)
- Home broadband and mass access to the web
- Remote work and streaming
Built on
- Telephone1876
- telephone network
- Shannon's information theory
Made possible
- Video streaming (YouTube, Netflix)2005
- BBS (bulletin board system)
- home internet access