|
gptkbp:instanceOf
|
gptkb:telecommunications_company
|
|
gptkbp:alsoKnownAs
|
gptkb:Bell_System
|
|
gptkbp:country
|
gptkb:United_States
|
|
gptkbp:dissolved
|
1984
antitrust breakup
|
|
gptkbp:founded
|
1877
|
|
gptkbp:foundedBy
|
gptkb:Alexander_Graham_Bell
gptkb:Gardiner_Greene_Hubbard
gptkb:Thomas_Sanders
|
|
gptkbp:headquartersLocation
|
gptkb:New_York_City
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Bell Telephone System
|
|
gptkbp:industry
|
telecommunications
|
|
gptkbp:logo
|
gptkb:Bell_System_logo
|
|
gptkbp:notableEmployee
|
gptkb:Arno_Penzias
gptkb:Bjarne_Stroustrup
gptkb:Brian_Kernighan
gptkb:Charles_Townes
gptkb:Claude_Shannon
gptkb:Clinton_Davisson
gptkb:Dennis_Ritchie
gptkb:Frank_Wilczek
gptkb:Horst_Störmer
gptkb:John_Bardeen
gptkb:John_G._Trump
gptkb:John_R._Pierce
gptkb:John_Tukey
gptkb:Ken_Thompson
gptkb:Lucent_Technologies
gptkb:Philip_Anderson
gptkb:Richard_Garwin
gptkb:Richard_Hamming
gptkb:Robert_Tarjan
gptkb:Steven_Chu
gptkb:Walter_Brattain
gptkb:William_Shockley
gptkb:Shannon_Lucid
gptkb:John_Pierce
gptkb:William_Baker
gptkb:James_Fisk
gptkb:John_Hopfield
gptkb:Robert_W._Wilson
gptkb:Alfred_Aho
gptkb:Douglas_McIlroy
gptkb:Willard_Boyle
gptkb:Mervin_Kelly
gptkb:George_Smith
gptkb:Walter_Houser_Brattain
gptkb:Jan_Achenbach
gptkb:John_Robinson_Pierce
gptkb:Herwig_Kogelnik
gptkb:William_Bradford_Shockley
Harold Black
|
|
gptkbp:notableEvent
|
gptkb:Breakup_of_the_Bell_System
gptkb:Development_of_Picturephone
gptkb:Development_of_Telstar_satellite
Development of C programming language
Development of T-carrier system
Development of UNIX
Development of cellular telephone technology
Development of digital signal processing
Development of digital transmission
Development of fiber optic communications
Development of information theory
Development of laser
Development of satellite communications
Development of solar cell
Development of speech recognition
Development of speech synthesis
Development of touch-tone dialing
Development of DTMF (Dual-tone multi-frequency signaling)
Invention of the transistor
Development of TAT-1 transatlantic telephone cable
Development of charge-coupled device (CCD)
Development of digital audio recording
Development of electronic switching system
Development of error-correcting codes
Development of fiber optics
Development of mobile telephony
Development of modem
Kingsbury Commitment
|
|
gptkbp:notableProduct
|
gptkb:C_programming_language
gptkb:smartphone
gptkb:UNIX
transistor
|
|
gptkbp:parentCompany
|
gptkb:AT&T
|
|
gptkbp:subsidiary
|
gptkb:American_Telephone_&_Telegraph_Company
gptkb:Bell_Labs
gptkb:Western_Electric
gptkb:Bell_Operating_Companies
|
|
gptkbp:successor
|
gptkb:AT&T
gptkb:Regional_Bell_Operating_Companies
|
|
gptkbp:bfsParent
|
gptkb:The_Bell_System_Science_Series
gptkb:Voice_on_the_Line
|
|
gptkbp:bfsLayer
|
8
|