recorder vs video recorder

recorder

noun
  • An apparatus for recording; a device which records. 

  • A musical instrument of the woodwind family; a type of fipple flute, a simple internal duct flute. 

  • A judge in a municipal court. 

video recorder

noun
  • An electronic device for recording video signals, for example onto magnetic tape or videodisks. 

How often have the words recorder and video recorder occurred in a corpus of books? (source: Google Ngram Viewer )