Home›Electrical Engineering›Year›By Century›20th centuryBrowse By20th centuryYear places an invention in the year it was actually patented or first demonstrated. Wikipedia records that "in 1876, Alexander Graham Bell was the first to be granted a United States patent" for the telephone. Browsing by year sets an invention in the wider timeline of technology history.Facts20th centurySourcesComments (0)Reader Challenges (0)FactsComparisonMain Engineering BranchWell-attestedElectrical Engineering 1Field Founding EraWell-attested19 220th centuryFilter Results31 entriesFieldAllCircuit Components And Semiconductors (9)Communication Devices (5)Household Appliances (3)Lighting And Detection Devices (7)Other Electrical Inventions (2)Power Generation And Motors (1)Recording And Data Storage (4)InventorAllBernard Silver (1)Charles K. Kao (1)Chester Carlson (1)Christian Hulsmeyer (1)Gordon Gould (1)Jack Kilby (1)John Ambrose Fleming (1)John Bardeen (1)John Logie Baird (1)Lee de Forest (1)Nikola Tesla (1)Norman Joseph Woodland (1)Percy Spencer (1)Philo Farnsworth (1)Robert Noyce (1)Robert Watson-Watt (1)Theodore Maiman (1)Thomas Edison (1)Vladimir Zworykin (1)Walter Brattain (1)William Shockley (1)Associated WithAllThe Internet (1)The Laser (1)The Optical Fiber (1)The Telephone (1)In FieldAllElectrical Engineering (5)In GroupAllCircuit Components And Semiconductors (9)Communication Devices (5)Household Appliances (3)Lighting And Detection Devices (7)Other Electrical Inventions (2)Power Generation And Motors (1)Recording And Data Storage (4)BrowseCompareSelect all 31Amplifier20th centuryAnswering Machine20th centuryAtomic Clock20th centuryBarcode20th centuryBlender20th centuryCompact Disc20th centuryDigital Camera20th centuryDreamachine20th centuryDVD20th centuryFluorescent Lamp20th centuryLaser20th centuryLight-Emitting Diode20th centuryLiquid Crystal Display20th centuryMagnetic Tape20th centuryMaser20th centuryMicrowave Oven20th centuryOLED20th centuryPhotocopier20th centuryRadar20th centurySmoke Detector20th centurySolar Cell20th centuryTelevision20th centuryThe Integrated Circuit20th centuryThe Laser20th centuryThe Optical Fiber20th centuryThe Transistor20th centuryTouchscreen20th centuryTraffic Light20th centuryTransistor20th centuryVacuum Cleaner20th centuryVacuum Tube20th centurySources1. Wikipedia: Engineeringtier 2WikipediaIntroduction, traditional disciplinesQuote, Introduction, traditional disciplinesThe traditional disciplines of engineering are civil, mechanical, electrical, and chemical.View the Source2. Wikipedia: Electrical engineeringtier 2WikipediaIntroduction, emergence as an occupationQuote, Introduction, emergence as an occupationIt emerged as an identifiable occupation in the latter half of the 19th century after the commercialization of the electric telegraph.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.