シールドビーム
1. Sealed beamA sealed beam is a type of unitized lamp with a parabolic reflector, one ore more filaments, and a glass or polycarbonate lens all permanently attached together and sealed. Originally introduced for road vehicle headlamp service, sealed beams have since been applied elsewhere. Halogen sealed beam lamps have an inbuilt halogen lamp with the filaments contained in a quartz or hard glass envelope. Sealed beams are technically known as parabolic aluminumized reflector or "PAR" lamps.
Read “Sealed beam” on English Wikipedia
Read “シールドビーム” on Japanese Wikipedia
Read “Sealed beam” on DBpedia
Read “Sealed beam” on English Wikipedia
Read “シールドビーム” on Japanese Wikipedia
Read “Sealed beam” on DBpedia
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