Time Line

Electricity 1746 – 1945

YearMilestonePerson/
Organisation
Description
1746CapacitorEwald Georg von Kleist Leidner bottle for storing charges
1780GalvanismLuigi GalvaniExperiments with Frogs
1800Electro ChemistryAlessandro Volta Development of a battery
1820Elektro MagnetismHans Christian OerstedDeflection of magnets by electricity
1820Current MeasurementAndre Marie AmpereElectromagnets
1831Elektrodynamik, InductionMichael FaradayTransformer, Induction
1833TelegraphCarl Friedrich Gauß
Wilhelm Weber
First electric communication
1837First Telegraph lineGreat Western Railway
First (writing) TelegraphSamuel Morse
1846First Telegraph lines in Germany
1847Founding Siemens HalskeWerner SiemensDevelopment of needle telegraphs
1850Deutsch-Österreichischer Telegraphenverein DÖTVFirst international Standardization. Morse Code is selected Standard in Germany.
1853L-C CircuitLord KelvinElectrical Oscillator:
Inductivity, capacity and Frequency
1856TelephoneAntonio MeucciMost likely, first functional Telephone
1861TelephonePhilipp ReisFunctional Telephone. The name Telephone was given by Reis.
1864Postulate of electro-magnetic WavesJames Clerk MaxwellElectro magnetic Wave Equation
1865Founding:
International Telecommunication Union ITU
First international standardization body
1874Semiconductor EffectFerdinand BraunElectrical characteristics of crystals
1876Founding: EricssonLars Magnus Ericsson
1877Founding: Bell Telephone Company later AT&TAlexander Graham Bell
1880Edison-Richardson-Effect Thomas EdisonGlowing anodes are missing electrons in vacuum tubes.
1881Stowger SwitchAlmon Strowger1 – 100 mechanical switch for telephone lines
1886Radio WavesHeinrich HertzFirst Decovery of electromagnetic Waves
1890Coherer  Eduard BranlyFirst practical detector for receiving electromagnetic waves
1893Coherer ReceiverAlexander Stepanowitsch PopowUsed for detection of Lightnings
1895Demonstration of electro magnetic TelegraphyOliver LodgeDemonstration of a transmitter and a coherer receiver
1896Wireless TelegraphGuglielmo MarconiPatent for Wireless Telegraph
1897Founding: Marconi Wireless Telegraph Company.Guglielmo Marconi
1898Inductive TelegrafFerdinand Braun
1899Nickel Cadmium AkkumulatorWaldemar JungnerFirst dry rechargeable battery
1900Founding: Braun Telegraphie GmbHFerdinand Braun
1902DiodeJohn FlemmingFirst Diode using a vacuum tube
1906„Internationale Funktelegrafie Konferenz“ in BerlinFirst international conference for regulation of radio transmission.
First radio broadcasting transmissionReginald FessendenFirst transmission of speech and music using a rotary Spark-gap transmitter.
TriodeRobert von Lieben, Lee de ForestIndependent development of an amplifying vacuum tube. Start of the Age of Electronics
1911FoundingGalvin Manufacturing Corporation. Later MotorolaPaul V. Galvin und Joseph E. Galvin
1913Meissner CircuitAlexander MeißnerFirst generation of a continuous oscillation
1918Superheterodyne receiverEdwin Howard ArmstrongFirst tested on the Paris Eiffel Tower
19232. American Radio Conference99 Radio frequencies assigned in 1000 kHz Band
1925European Radio Conference99 Radio frequencies for Europe
1934Founding: FCCUSAFederal Communication Kommission
1937First Two Way RadioDonald HingsGot the name „Walkie Talkie“
1940Handie Talkie SCR-536MotorolaFirst handheld Two Way Radio
Electricity Milestones

Pre-Cellular: 1945 – 1980 

YearMilestonePerson/
Organisation
Description
1946Mobile Telephone
System (MTS)
Bell LabsFirst Mobile
Telephone System
1947Invention Point Contact transistorBell LabsFirst usable
Transistor
First release of
Bands for mobile telephony
FCC
1952Founding: Texas InstrumentsCompany to develop industrial transistors
1954First Transistor RadioTexas InstrumentsPocket size, battery operated AM Receiver using transistors
1957Founding: FairchildWilliam ShockleyFirst Semiconductors company
SputnikSowjet UnionFirst orbiting satellite
1958„Öffentlich bewegter 
Landfunk“ (A-Netz)
Bundespost GermanyFirst Mobile-Phone System 
in Germany called A-Netz
1959Founding: CEPTEuropeFirst European organization for Postal Services including Telecommunication
1960First integrated CircuitRobert NoyceStart of the Information Age
1962T1 Carrier-PCM CodierungBell LabsTDMA line with PCM coded speech data, 24 channels. Start of digital transmission of speech
IEEEUSAFounding of the Institute of Electrical and Electronics Engineers 
1965IMTSBell LabsFirst Mobile phone system with dialing
1968Founding: IntelRobert Noyce, Gordon MooreFocus on creation of memory chips
1969ARPANETARPAFirst four knots of the ARPANET are going online
1970OFDMR.W. Chang Bell LabsPatent for OFDM Modulation
1971First MicroprocessorIntelIntegrated Circuits are getting programmable
First EPROMIntelFirst writeable Read Only Memory
Erste E-MailARPAFirst E-Mail is transmitted via the ARPANET.
1972B-NetzBundespost TEKADEFirst German Mobil phone system with dialing
1975CCD Charged Coupled DevicesFairchildFirst 100×100 CCD Modul for a digital camera
1976Standardization of C-NetzBundespost
Siemens
First Cellular network called C-Netz in Germany
Pre-Cellular: 1945 – 1980

1G: 1980 – 1990

YearMilestonePerson/
Organisation
Description
1979NTTFirst cellular network of the world launched in Japan
900 MHz BandsEuropeRelease of new Frequency bands for a future mobile cellular system (became 2G)
Founding: VLSI TechnologiesUSASemiconductor Manufacturer specialized on ASICs
1981NMTSkandinaviaFirst cellular mobile network in Skandinavia
Founding: Racal TelecomUKFirst European mobile network provider. Became Vodafone
Founding: British TelecomUKBritish Telecom, through privatization of UK PTT Services
1982First Digital Signal ProcessorTexas InstrumentsTMS320 10, first digital signal processor on the market.
Founding: GSMCEPTFounding of the Group Special Mobile to define a new 2G mobile phone standard
1983AMPSUSAFirst American cellular Network
EthernetIEEEStandardization of the Ethernets 802.3
TCP/IPTCP/IP becomes standard protocol for the Internet
1984DynaTECMotorolaFirst handheld cellular mobile phone for AMPS
Founding: „Baby-Bells“AT&TAT&T loses Telecom Monopol
As a result smaller Bell companies are founded. The „Baby Bells“
1985Launch C-NetzBundespostFirst German cellular mobile phone system
Launch TACSUKFirst cellular mobile phone system in the UK (based on AMPS)
Domain NamesInternetIntroduction of Domain Names instead of internet addresses.
Founding: QualcommIrvin Jacobs, Andrew ViterbiDevelopment of a CDMA based cellular phone system
Aufbau eines CDMA basierten Mobilfunksystems
Founding: CiscoCompany to build internet router
1986Founding: AlcatelITTITT sold his European Telecom Business to CGE. This results in Alcatel.
Sprach-KodierungManfred Schroeder, Bishnu AtalDevelopment of the CELP Coder
1987GSM Memorandum of Understanding (MoU)CEPTAgreement of European countries on a Pan European digital mobile standard called GSM
1988Founding: ETSICEPTFounding of the first European Standardization Body.
TIAUSAFounding of the first American Standardization Body.
Liberalization
telecom market
BundespostThe German PTT is split up and privatized
 TAT-8AT&T BTFirst transatlantic Fiber cable
1989First GSM licensesBundespostDeutsche Telecom and Mannesmann Mobilfunk receive the first German GSM Licenses
1G: 1980 – 1990

2G: 1990 – 2000

YearMilestonePerson/
Organisation
Description
1990IS-54 D-AMPSTIAFirst 2G Standard in the USA
Start of the commercial internetUSARelease of the ARPANET for the broad public
First Web PageBerners-LeeHTML und HTTP are introduced
1990GSM ReleaseETSIGSM Standard frozen (released)
1991DCS 1800ETSIExtension of GSM for 1800 MHz
Founding: IridiumMotorolaCompany for the development of a satellite based digital communication system
1992GSM network startETSIEuropa start first GSM Networks
1993IS-54 network startTIAUSA start the first digital AMPS, IS-54 Network
1994DCS 1800 network startEuropaE.g. start of the „E-Netz“ in Germany
MP3Fraunhofer SocietyRelease of the MP3 Coding-Standard. Start of a music industry revolution
1995Digital Audio Broadcast
DAB
ETSIDigital Audio Broadcast, first OFDM based Standard.
PCS 1900FCCStart of Personal Communication Service in den USA in the 1900MHz Band
IS-95 CDMAOneQualcommRelease of Qualcomm CDMAOne Standard
1996Founding: Lucent TechnologiesAT&TSpin Out of the development organization and Bell Labs from AT&T
USB Universal Serial BusIntelFirst USB Interface are introduced by Intel.
1997BluetoothEricsson et alIntroduction of a digital Personal Area Network Standard.
WLAN 802.11IEEEFirst standard for WLAN
Color DisplaySiemensFirst color display in a handheld
1998Start IridiumMotorolaStart of the first satellite communication system
Start GlobalstarQualcommSecond satellite communication system CDMA basiert
Founding: 3GPPFounding of a new global organization for the standardization of digital cellular systems.
1999Iridium Bancruptcy 
First mobile phone with integrate cameraKyocera
UMTS
Universal Mobile Telecommunication System
3GPPRelease 99, first 3G Standard also known as Wideband-CDMA 
WLAN 802.11 b, 802.11 aIEEERelease of 11 Mbit/s and 54 MBit/s Standard.
2000Founding: Verizon WirelessUSACreated from Vodafone Airtouch
USB2.0Daten rates of 480 Mbit/s
2G: 1990 – 2000

2.5G – 3G: 2000 – 2010

YearMilestonePerson
Organization
Description
20001xRTT3GPP2First 3G Version of Qualcomm CDMA2000 specified
2001GPRS3GPPStart of the first GPRS Networks
W-CDMANTT Docomo Start of W-CDMA Service in Japan
HSDPA3GPPSpecification of Hi Speed Downlink Packet Access
20021xRTTStart of 1xRTT Packet Switched Data in Korea
2003EDGE3GPPImprovement of GPRS, Introduction in den USA
WLAN 802.11 gIEEEHigh speed WLAN on 2.4 MHz Band