Patents by Inventor Kazuharu Kubo

Kazuharu Kubo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Signal receiving apparatus and signal receiving system
    Patent number: 6011597
    Abstract: The present invention relates to a signal receiving apparatus and a signal receiving system, including a receive antenna for receiving plural high-frequency signals; first frequency converters each for down-converting a frequency of each of the plural high-frequency signals; second frequency converters each for further frequency-converting the signals converted by means of the first frequency converters; a frequency control information storage section for storing frequency control information used to perform a frequency conversion by the plural second frequency converters; a frequency-conversion control section for automatically controlling the frequency conversion by said plural second frequency converters based on the frequency control information; and a receiver for receiving only a signal of a desired frequency among signals frequency-converted by plural second frequency converters.
    Type: Grant
    Filed: February 20, 1997
    Date of Patent: January 4, 2000
    Assignee: Fujitsu Limited
    Inventor: Kazuharu Kubo