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Results 1 - 2 of 2 for Video recorders
  • Article - 28 Jun 2013
    A microphone is an acoustic to electric transducer or sensor that detects sound signal and converts them into an electrical signal. This conversion is relatively direct and the electrical vibration...
  • Article - 1 Feb 2013
    This article discusses the basic principle to a galvanometer, current applications and future developments for this technology.