sealed beam unit
1sealed beam unit — See sealed beam headlight …
2beam unit — See sealed beam unit …
3Sealed beam — A sealed beam is a type of lamp that includes a reflector and filament as a single assembly, over which a front cover (lens), usually of clear glass, is permanently attached. The previous design was like that of common flashlights (electric… …
4sealed-beam — ˈ ̷ ̷| ̷ ̷ adjective : of, relating to, or being an electric light with prefocussed reflector and lens sealed in the lamp vacuum sealed beam automobile headlights * * * sealedˈ beam adjective (of car headlights) consisting of a complete unit… …
5sealed-beam headlight — /seeld beem / a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit. Also called sealed beam. * * * sealed beam headlight «SEELD BEEM», an automobile headlight in which filament, lens, and …
6sealed beam — noun A type of electric lamp for producing a beam of light in which the filament is sealed inside a unit consisting of the reflector and lens so as to ensure the alignment of the beam and to protect the reflector from becoming dirty or tarnished …
7sealed-beam headlight — /seeld beem / a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit. Also called sealed beam. * * * …
8sealed-beam — adjective denoting a vehicle headlamp with a sealed unit consisting of the light source, reflector, and lens …
9sealed beam headlight — A headlight lamp in which the lens, reflector, and filament are fused together to form a single unit. They are relatively inexpensive, but when one component breaks, the whole unit is replaced. Newer vehicles use the more expensive composite type …
10Line-replaceable unit — A line replaceable unit (LRU) is a complex component of an airplane, [ [http://adsabs.harvard.edu/abs/1985aifo.reptX....L A comparative evaluation of the reliability improvement in line replaceable unit ] ] ship or spacecraft [ [http://ieeexplore …
