filament lamp वाक्य
उदाहरण वाक्य
मोबाइल
- William Ramsay used them to isolate the noble gases, and Joseph Swan and Thomas Edison used them to evacuate their new carbon filament lamps.
- GE tungsten filament lamp embodying the invention of US Pat 1, 018, 502-- one of those involved in the 1926 US v GE litigation
- GE's patents on the tungsten filament lamp expired in the late 1930s and other forms of lighting were becoming more important than incandescent bulbs.
- The modern incandescent lightbulb, with a coiled filament of tungsten, was commercialized in the 1920s developed from the carbon filament lamp introduced in about 1880.
- For example, in 1935, the German Army developed a photophone where a tungsten filament lamp with an IR transmitting filter was used as a light source.
- A commonly used light in the home in the 1960s in 220 240 V countries was a circleline tube ballasted by an under-run regular mains filament lamp.
- Contrary to the existing carbon-filament lamps, Nernst lamp could operate in air and was twice more efficient as its emission spectrum was closer to that of daylight.
- This marked the first widespread use of floodlighting at a fair, and also the first use of high-pressure gas mantle lamps and of high-wattage tungsten filament lamps.
- The harsh and brilliant light was found most suitable for public areas, such as Cleveland's Public Square, being around 200 times more powerful than contemporary filament lamps.
- Chaillet was engaged by the Schaefer Company in Germany to assist in making filament lamps and remodeling their plant, eventually putting him in charge of the largest factory in Germany.
- The Thorn brand started life as the Electric Lamp Service Company Limited, established by Sir Jules Thorn on 29 March 1928, importing incandescent filament lamps and radio valves from the continent.
- By January 1886 the company's system had increased to include 1, 000 filament lamps on of circuit, and in 1887, it was decided for the company to provide a day time service.
- In January 1893 Franklin Pope wrote an article published on the head page of the " Electrical Engineer " titled " The Carbon Filament Lamp of 1859 The Story of an Overlooked Invention ."
- There is currently interest in banning some types of filament lamp in some countries, such as Australia planning to ban standard incandescent light bulbs by 2010, because they are inefficient at converting electricity to light.
- With conventional filament-lamp multi-lens signals the red aspect only remains alight for a fraction of a second when the junction-indicator is proved, as filament lamps can be proved correctly alight much more quickly than LED units.
- In 1899, the Berliner Elektrizit�ts-Werke ( BEW ), a Berlin electrical utility, decided to greatly increase its distribution capacity by switching to 220 volt nominal distribution, taking advantage of the higher voltage capability of metal filament lamps.
- The previous practice of a small filament lamp on the tip of the endoscope had left the choice of either viewing in a dim red light or increasing the light output-which carried the risk of burning the inside of the patient.
- In October 1908 the chairman reported to shareholders that the new metallic filament lamps had much reduced the demand for electricity and, while it would doubtless be followed by a great extension of demand, for the present there was a check on the sale of steam turbines.
- Imagine a good old fashioned tungsten filament lamp-or a florescent tube maybe . . . each little part of the filament or of the glowing surface is giving off a little bit of light . . . right down to the individual atoms-each one is emitting light.
- An EL film is a so-called Lambertian radiator : unlike with neon lamps, filament lamps, or LEDs, the brightness of the surface appears the same from all angles of view; electroluminescent light is not directional and therefore hard to compare with ( thermal ) light sources measured in lumens or lux.
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