Recording medium determination apparatus and image forming apparatus

Recording medium determination apparatus and image forming apparatus

  • CN 102,213,925 A
  • Filed: 06/12/2009
  • Published: 10/12/2011
  • Est. Priority Date: 06/13/2008
  • Status: Active Application
First Claim
Patent Images

1. one kind by utilizing ultrasound wave to determine that the recording medium of the grammes per square metre of recording medium determines equipment, comprising:

  • Transmitting element is configured to export the ultrasound wave with preset frequency;

    Receiving element is configured to receive from ultrasound wave described transmitting element output and that see through recording medium;

    AndDetermining unit is configured to the calculated signals peak value that basis produces from the ultrasound wave that is received by receiving element, and determines the grammes per square metre of recording medium based on the peak value that calculates.

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