bn:00024217n
Noun Concept
Categories: Detectors, Bangladeshi inventions, History of radio, Indian inventions, Radio electronics
EN
crystal detector  Perikon detector  cat's-whisker detector  cat's whisker  cat's whisker detector
EN
A detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier WordNet 3.0
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EN
A detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier WordNet 3.0 & Open English WordNet
A crystal detector is an obsolete electronic component used in some early 20th century radio receivers that consists of a piece of crystalline mineral which rectifies the alternating current radio signal. Wikipedia