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Bell Labs
Bell Telephone Laboratories

Bell Telephone Laboratories (BTL), also known as Bell Labs, AT&T Bell Laboratories, Bell and Nokia Bell Labs, is an American research and scientific development company. The company was established in 1925 as a consolidation of Western Electric Research Laboratories and part of the engineering department of the American Telephone & Telegraph company (AT&T). At the time, the company shares were evenly divided between AT&T and Western Electric Company (WE) [1].


Over the years, Bell Labs has been known under a wide variety of names and has been owned by various parent companies, including AT&T and Lucent Technologies. Since 2016, Bell Labs is owned by the Finnish company Nokia, and is currently known as Nokia Bell Labs, with the logo:


Engineers and researchers of Bell Labs are responsible for many important developments and/or inventions, such as radio astronomy, the transistor, the laser, the charge-coupled device (CCD), the photovoltaic cell, the Unix operating system and the programming languages C and C++. During WWII, Bell labs developed the unbreakable telephony system SIGSALY for the Allied Forces.

 
Bell Labs equipment on this website
SIGSALY secure telephony system

 
Names
  • Volta Laboratory
  • Volta Bureau
  • Alexander Graham Bell Laboratory
  • Bell Carriage House
  • Bell Laboratory
  • Bell Telephone Laboratories
  • Bell Telephone Labs
  • Bell Labs
  • AT&T Bell Laboratories
  • AT&T Bell Labs
  • Lucent Technologies, Bell Labs Innovations
  • Nokia Bell Labs
Parent companies
Over the years, Bell Labs has been owned by the following companies:
 
  • AT&T and Western Electric
  • AT&T
  • Lucent Technologies
  • Alcatel Lucent
  • Nokia
References
  1. Wikipedia, Bell Labs
    Retrieved October 2016.

Further information

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Crypto Museum. Created: Sunday 30 October 2016. Last changed: Tuesday, 29 November 2016 - 07:55 CET.
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