electric discharge lamp


Learn how halogen bulbs, fluorescent bulbs, sodium- and mercury-vapour lamps, and light-emitting diodes work. Electric discharge denotes the excitation of atomic states in a gaseous medium on passing an electric current through the medium. Electric Discharge lamps work by passing electric current through vapour or gas. Electric-discharge lamp definition: a type of lamp in which an electrical gas discharge is maintained in a tube with a thin... | Meaning, pronunciation, translations and examples The glow lamp, used as an indicator or a night-light, contains a high-resistance filament in a small bulb. Both carbon-arc and xenon lamps are run off a direct-current power supply in order to minimize brightness variations due to fluctuations in voltage. ), or by its application (e.g., black-light lamp, bactericidal lamp, etc. Synonyms for electric-discharge lamp in Free Thesaurus. Definition of electric-discharge lamp in the AudioEnglish.org Dictionary. Proper usage and audio pronunciation (plus IPA phonetic transcription) of the word electric-discharge lamp. It was the carbon arc discharge lamp, and since then the electric discharge … The device is a crystalline semiconductor diode; when current flows through the diode, electrons combine with “holes” (localized positive charges) and drop to a state of lower energy. Corrections? In about 1910 the…, Edison experimented with gas-discharge light tubes in 1896, and Georges Claude in France and Moore in England produced the first practical discharge tubes using noble gases such as neon and argon; these tubes were first used to outline the facade of the West End Cinema in London in…, Xenon lamps were introduced in West Germany in the 1950s, and carbon-arc projection is now found only in older theatres. Segmented LED’s provide the digital displays on many electronic devices. Example sentences with "electric discharge lamp", translation memory. In the article entitled "New High-Efficiency Quasi-Continuous Operation of A KrF (B X) Excimer Lamp Excited by Microwave Discharge" by Kumagai and Obara, Applied Physics letters, Vol. It is hoped that this technical … In the following pages an account is given of the various tt Osira " and " Osram " Electric Discharge Lamps which are now availaËle and of the equipment used to operate them. The electroluminescent lamp, another semiconductor lamp, consists of a flat-plate capacitor with a phosphor (similar to those used with fluorescent lamps) in the dielectric; it is used with alternating current. 1. Examples of such lamps are shown in Fig 1. Part of the released energy is emitted as a photon. Learn electric discharge lamp with free interactive flashcards. It is hoped that this technical description will assist engineers and others who use these lamps to a better understanding of what is, after all, a highly technical product. Fluorescent lamps gradually became a mainstay of interior lighting, particularly in offices, factories, and other work environments. 1. an electric lamp in which the light comes from an electric discharge between two electrodes in a glass tube In the following pages an account is given of the various tt Osira " and" Osram " Electric Discharge Lamps which are now availaËle and of the equipment used to operate them. N’allez pas plus loin! At least one of the current conductors (2, 3) has inside the lamp … Typically, such lamps use a noble gas or a mixture of these gases. Modern … While every effort has been made to follow citation style rules, there may be some discrepancies. Current conductors (2, 3) which support electrodes (4, 5) inside the discharge vessel (1) enter the discharge vessel (1) in a gastight manner through a ceramic sealing compound (6). In his introduction Dr. Waymouth remarks that “well over half the total amount of light produced in this country, and perhaps the world, is produced by electric discharge lamps.” This book brings together an extraordinary amount of data on all the major types of electric discharge lamps which are now in commercial use. en Base of an electric discharge lamp with an ignition device. Look it up now! Discharge lamps are those which produce light by generating an electric discharge in a gas. The light produced by passing electric current through vapour or gas is of a higher intensity than light produced by passing electricity through filaments. This fluorescence multiplies the lamp’s light emission by a hundredfold. A glass sleeve (10) is surrounding the discharge vessel. ), by the physical dimensions or operating parameters (e.g., short-arc lamp, high-pressure lamp, etc. Despite these inventions, electric discharge lamps were little used in interior lighting until the development in the 1930s of the fluorescent tube. This tube is filled with noble gas and often also contains suitable metal or metal salts. 1 synonym for electric-discharge lamp: gas-discharge lamp. Antonyms for electric-discharge lamp. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. 50 W, 110 V, B17, E26 Medium Screw Base, 4000 Lumen, 22 CRI, 1900 K, 24000 Hr, Clear, Universal, High Pressure Sodium, High Intensity Discharge Lamp… The electric lamp has a ceramic lamp vessel (1) having a filling of rare gas and metal halide. Electric light sourcesOne of the effects of electricity is light effect. patents-wipo. It produced a brilliant white light by the discharge of high voltage through carbon dioxide at low pressure. Creating a nearly shadow-free light and less glare, the lamp immediately found wide use for industrial and street lighting in the United States. Une envie de lamps for electric discharge? Synonyms for electric-discharge lamp in Free Thesaurus. [6.5] A lamp in which light (or radiant energy near the visible spectrum) is produced by the passage of an electric current through a vapor or a gas.. Choose from 153 different sets of electric discharge lamp flashcards on Quizlet. Please refer to the appropriate style manual or other sources if you have any questions. Meaning of electric-discharge lamp. The Discharge lamps are one of the reliable sources of artificial light energy, which fundamentally works by converting electrical energy to light energy by ionizing the gas particles. The colour of light given off depends on the crystal material used. The xenon…. Our editors will review what you’ve submitted and determine whether to revise the article. Because the glow discharge tends to keep the voltage across the lamp constant, it is sometimes used as a voltage regulator. Noté /5: Achetez The 2013 Import and Export Market for Parts of Electric Filament or Discharge Lamps, Sealed Beam Lamp Units, Ultraviolet or Infrared Lamps, and Arc Lamps in Hungary de International, Icon Group: ISBN: sur amazon.fr, des millions de livres livrés chez vous en 1 jour 1975 Toyota Land Cruiser × × Free Ground Shipping on Orders Over $75 Sitewide when using code: FREESHIP (up to $200 value) *Free … The floating oil wick lamp was replaced after 1783 by the Argand oil lamp, in which the cylindrical wick was enclosed in a glass chimney to steady the flame and provide a brighter, whiter, and cleaner light source. At Ashburn Power & Light, o ur mission is to provide the most professional and dependable electrical contracting services regardless of project … These lamps are used for night-lights and engineering applications such as luminous instrument panels. Hi! Modern fluorescent lamps are based on a combination of electroluminescence and photoluminescence: mercury atoms in…, lamp, cooler and more efficient than incandescent lamps, that produces light by the fluorescence of a phosphor coating. Metal electrodes at each end are coated with an alkaline…. LED, SPEC, KOREA - OEM Toyota Part # 9098120024 (90981-20024, 9098120013, 9098120020, 9098120021, 9098120023, SU00302560) Toggle navigation. Electric-discharge lamp definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. The French inventor Georges Claude was the first to use neon gas, about 1910. A lamp which produces light when electric current flows through a vapor or a gas; may be designated by the gas filling which is responsible for the major part of the radiation (e.g., mercury lamp, neon lamp, etc. The Discharge lamps are one of the reliable sources of artificial light energy, which fundamentally works by converting electrical energy to light energy by ionizing the gas particles. The best part of the discharge lamps… Information and translations of electric-discharge lamp in the most comprehensive dictionary definitions resource on the web. During the late 19th century, Sir William Crookes and other physicists experimented with methods of generating radiation by striking an... During the late 19th century, Sir William Crookes and other physicists experimented with methods of generating radiation by striking an arc between electrodes in an evacuated tube to which small amounts of an elemental gas had been admitted. A coiled wire (11) is used as an envelope (11) to a glass sleeve. Shop a huge selection of lampholders and lamp and light bulb sockets to install incandescent, fluorescent , and halogen lights. Electric discharge lamps share a number of common features, such as those associated with a radiating body of gas and certain properties of plasmas. Providing a high level of service, safety and innovation. It produced a brilliant white light by the discharge of high voltage through carbon dioxide at low pressure. 54, No. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. An estimated two billion electric discharge lamps are currently in existence worldwidel. add example. plasma. They are inexpensive, reliable, and readily available, but they are inefficient in their use of energy. An electric-discharge lamp was first demonstrated in 1860 to the Royal Society of London. Of the electric discharge lamps, the fluorescent lamp gives off a neutral white light, the sodium-vapour lamp emits a yellow-orange light, and the mercury-vapour lamp gives off a whitish blue-green light. Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma. Princeton's WordNet (0.00 / 0 votes)Rate this definition: electric-discharge lamp, gas-discharge lamp (noun) an … ). Dulles Electric Supply features the Mid-Atlantic's largest lighting inventory on display in our 13,000-square foot, state-of-the-art lighting showroom, which boasts a knowledgeable sales staff that averages more … Discharge lamps come under the classification of artificial light sources that produce light by transmitting an electrical discharge via ionized gaseous substances. Electric discharge lamps of extended life can be produced or cheaper materials used in their manufacture by providing on the internal surface of the envelope and on the exposed surfaces of internal components a protective coating of a metal phosphate or arsenate glass. Once the arc is started, it heats and evaporates the metallic admixture. A promising electric discharge lamp developed in Europe by 1931 was the high-intensity sodium-vapour lamp, and although it was not satisfactory for commercial or domestic use because of its characteristic yellow colour, by the mid-20th century sodium-vapour lamps were being used for street and highway lighting and for the illumination of bridges and vehicular tunnels all over the world. The first artificial electric light was demonstrated during 1802 in London, by Sir Humphry Davy at the Royal Institution of Great Britain. Incandescent electric lamps remain the most common source of home illumination and are used for most portable lamps. It is found in products such as fluorescent lights and plasma-screen televisions, and is used in plasma physics and analytical chemistry, and has been proposed as an alternative method by which stars produce their visible spectra. • ELECTRIC-DISCHARGE LAMP (noun) The noun ELECTRIC-DISCHARGE LAMP has 1 sense:. LED’s do not produce enough light for illumination, but are used for indicators. by clamping fit. High-intensity discharge lamps (HID lamps) are a type of electrical gas-discharge lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube. A fluorescent lamp consists of a glass tube filled with a mixture of argon and mercury vapour. Electric discharge lamp, also called Vapour Lamp, lighting device consisting of a transparent container within which a gas is energized by an applied voltage and thereby made to glow. In our daily life, we use different types of electric lamps. The first artificial electric light was demonstrated during 1802 in London, by Sir Humphry Davy at the Royal Institution of Great Britain. [6.5] A lamp in which light (or radiant energy near the visible spectrum) is produced by the passage of an electric current through a vapor or a gas.. Definition of electric-discharge lamp in the Definitions.net dictionary. Traductions en contexte de "a discharge lamp" en anglais-français avec Reverso Context : a gas discharge lamp, a high-pressure discharge lamp Global offers wholesale prices and fast shipping. Consultez la traduction anglais-arabe de electric discharge lamp dans le dictionnaire PONS qui inclut un entraîneur de vocabulaire, les tableaux de conjugaison et les prononciations. Green LED’s, for example, are made of gallium phosphide treated with nitrogen. Some include additional substances, like mercury, sodium, and metal halides, which are vaporized during startup to become part of the gas mixture. 26, Jun. During the late 19th century, Sir William Crookes and other physicists experimented with methods of generating radiation by striking an arc between electrodes in an evacuated tube to which small amounts of an elemental gas had been admitted. The noble gas enables the arc's initial strike. The French astronomer Jean Picard observed (1675) a faint glow in a mercury-barometer tube when it was agitated, but the cause of the glow (static electricity) was not then understood. An ordinary household fluorescent lamp is an example of an electric … electric-discharge lamp (n.). The sodium-vapour lamp, developed about 1931 in Europe, is a good illuminant if the yellow colour of its light is acceptable. I was the manager and repair person for the Lamp Factory Outlet that was located in Fairfax, VA.. Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma.