Bulb
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The document summarizes the history of the light bulb, including its key components and manufacturing process. It discusses how Thomas Edison was able to create an effective version through developing an incandescent material, high vacuum, and high resistance filament. The document also profiles Thomas Edison and his work developing the light bulb, as well as British inventor Joseph Wilson Swan who worked on early carbon filament designs.
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CASE STUDY 5Exploring Innovation in Action The Dimming of the Lig.docxPazSilviapm The document explores the history and evolution of lighting technology, starting from the primitive oil lamp to the development of electric light bulbs and ultimately the advent of LED technology. Key innovations included the carbon arc lamp, incandescent filament bulb, fluorescent lamps, and the revolutionary white LED, which offers substantial advantages like lower power consumption and longer life. The emergence of white LEDs poses a significant threat to traditional lighting industries, as they provide low-cost, high-efficiency alternatives that could dramatically reshape the market.
Light bulb
Light bulbPopZ The document discusses the history of the incandescent light bulb. It notes that while many inventors contributed to early designs, Thomas Edison's version was able to succeed commercially due to his development of an effective filament material, creation of higher filament vacuums, and use of high resistance filaments compatible with centralized power distribution. The document also discusses how incandescent light bulbs are rated according to electrical power consumption in watts, which determines light output in lumens, and how filament properties impact power levels and light emission.
Presentation1 intermediate 1 def
Presentation1 intermediate 1 defJOHANLEOUP The document summarizes the history and development of the light bulb. It describes how the light bulb was not invented by a single inventor, but was instead the result of incremental improvements over time by many inventors since the 1830s. It then discusses Thomas Edison's role in creating the first long-lasting, practical incandescent light bulb in 1879. Finally, it notes how light bulbs have changed over time through new materials and technologies, and their widespread use in homes, offices, and energy-efficient alternatives.
Invents d'angles
Invents d'anglessergiocorcoles Thomas Edison invented the incandescent light bulb in 1878 after experimenting with different materials. He was able to industrialize the light bulb using a carbonized bamboo filament. An incandescent light bulb consists of a glass bulb, a metal cap, and a thin metal filament, usually made of tungsten, inside the bulb. When electric current passes through the filament, it heats up and emits visible light.
Electric Bulb.pptx
Electric Bulb.pptxAbinashDehury3 Humphrey Davy created the first electric light in 1800 using an arc lamp with wires connected to a battery and charcoal. However, the arc lamp consumed too much power for household use. Thomas Edison later developed the incandescent light bulb in 1879 using a carbon filament inside an oxygen-free glass bulb. Over the years, improvements were made to light bulbs including adjustable power, fluorescent lighting, and LED technology to increase efficiency and capacity. Light bulbs have a variety of uses including household lighting, incubating chickens, and lighthouses.
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Bulb
- 1. BulbYovana ArancibiaAna Mardones Mariana Zamora Jhonatan Martin
- 2. History of the light Bulb In addressing the question of who invented the incandescent lamp, historians Robert Friedel and Paul Israel list 22 inventors of incandescent lamps prior to Joseph Wilson Swan and Thomas Edison. They conclude that Edison's version was able to outstrip the others because of a combination of three factors: an effective incandescent material, a higher vacuum than others were able to achieve (by use of the Sprengel pump) and a high resistance that made power distribution from a centralized source economically viable.
- 3. Parties of theBulbOutline of GlassbulbLowpressureinert gas (argon, neon, nitrogen)TungstenfilamentContactwire (goesout of stem)Contactwire (goesintostem)SupportwiresStem (glassmount)Contactwire (goesout of stem)Cap (sleeve)Insulation (vitrite)Electricalcontact
- 4. ManufacturingEarly lamps were laboriously hand-assembled; cost of lamps fell after automatic machinery was developed.In manufacturing the glass bulb, a type of "ribbon machine" is used. A continuous ribbon of glass is passed along a conveyor belt, heated in a furnace, and then blown by precisely aligned air nozzles through holes in the conveyor belt into molds. Thus the glass bulbs are created. After the bulbs are blown, and cooled, they are cut off of the ribbon machine. A machine of this sort may be able to produce 50,000 bulbs per hour.
- 5. Thomas Alva EdisonWas an American inventor, scientist, and businessman who developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb. Dubbed "The Wizard of Menlo Park" (now Edison, New Jersey) by a newspaper reporter, he was one of the first inventors to apply the principles of mass production and large teamwork to the process of invention, and therefore is often credited with the creation of the first industrial research laboratory. Edison's Menlo Park laboratory complex is said to live on in California's "invention factory" at Silicon Valley.
- 6. Joseph Wilson SwanSir Joseph Swan was born in 1828 at Pallion Hall in Bishopwearmouth, in 1850 he began working on a light bulb using carbonized paper filaments in an evacuated glass bulb. By 1860 he was able to demonstrate a working device, and obtained a British patent covering a partial vacuum, carbon filament incandescent lamp. However, the lack of a good vacuum and an adequate electric source resulted in an inefficient bulb with a short lifetime.Fifteen years later, in 1875, Swan returned to consider the problem of the light bulb with the aid of a better vacuum and a carbonized thread as a filament. The most significant feature of Swan's improved lamp was that there was little residual oxygen in the vacuum tube to ignite the filament, thus allowing the filament to glow almost white-hot without catching fire. However, his filament had low resistance, thus needing heavy copper wires to supply it
- 7. Videos