The First Light Bulb Although Thomas Edison's name has become almost synonymous with the invention of the light bulb, he wasn't the first person to develop one. British chemist and inventor Humphry Davy was the first person to connect wires to battery and cause a filament to glow. In 1841...
2 BRIGHT technical producing a bright light when heated 白热的,白炽的 the invention of the incandescent lamp 白炽灯的发明 3 literary very bright 光亮的,闪闪发光的 incandescent flowers 灿烂的花朵 —incandescence noun [uncountableU] Examples from the Corpus incandescent• The meteorite was des...
The invention of the incandescent (白炽的) light bulb by Thomas Edison in 1879 created a demand for a cheap,readily available (可利用的) fuel with which to generate large amounts of electric power.Coal seemed to fit the bill,and it fueled (供以燃料) the earliest power stations...
Electrocutor-type designs for an insect light trap appeared in the 1920s. A 1925 design (Sutton, 1925) incorporated the idea of affixing an electrified coil near an incandescent light bulb. Interestingly, this design improved upon an idea from 1913 in which an electrified coil (with honey as...
The thermal radiation which is emitted by an electric incandescent lamp is eliminated according to the invention by providing an incandescent lamp with a filter which transmits visible light and which reflects infrared radiation, which filter consists of
FIG. 6 is a graph of transmission vs. wavelength for a bulb such as shown in FIG. 1 coated with a heat mirror applied in accordance with the present invention; FIG. 7 is a greatly enlarged cross section of a fragment of a lamp envelope generally as shown in FIG. 1, but illustrating...
The invention consists in providing the forward end of the shield 5 with an upwardly extending part 5a to prevent penetration of the rays of coloured light into the centre of the beam of white light when the main filament is burning.
This invention relates to incandescent lamps and in particular, though not exclusively to infra-red emitting, tungsten-halogen lamps, for example of the kind described and claimed in our co-pending European Application No. 84301636.1. DESCRIPTION OF THE RELATED ART Lamps of this type, wherein a...
BACKGROUND OF THE INVENTION 1. Technical Field The present invention relates to an incandescent light bulb used as a light source, such as a lamp fitting or a lighting device, and particularly to an improvement of the structure of supporting a filament. ...
7546. Convention date, March 13, 1936. [Class 39 (ii)] In connecting an electric lamp bulb 10 containing a filament 16 to ... GEIGER WALTER J. 被引量: 15发表: 1938年 Improvements in Filament and/or Reflector Mount Structure for Electric Lamps and Manufacture Thereof. 1,183,008. ...