Patents Assigned to Lorrant Co.
  • Data processor and data processing method for wavemeter
    Patent number: 6594019
    Abstract: The DSP#A 5 specifies a read address for reading digital interference signal data stored in the buffer 4 to read the data, and executes the butterfly operation including a preset hamming windowing function coefficient to convert digital interference signal data to frequency data, then outputs the frequency data to the DSP#B 6.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: July 15, 2003
    Assignees: Ando Electric Co., Ltd., Lorrant Co.
    Inventors: Akio Ichikawa, Kenji Mogi