Patents by Inventor Hsuan-Yun KAO

Hsuan-Yun KAO 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).

  • OPTICAL TRANSMITTER AND OPTICAL TRANSMISSION METHOD
    Publication number: 20220166517
    Abstract: An optical transmitter configured to transmit an optical signal to a photodiode includes: an angle modulator configured to perform angle modulation with respect to a transmission signal; and an optical tone signal generator configured to generate an optical tone signal, and the optical transmitter transmits an optical signal that includes a single sideband signal corresponding to an angle modulated transmission electrical signal and the optical tone signal that is disposed on a higher frequency side or a lower frequency side of a frequency band of the single sideband signal.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 26, 2022
    Applicant: KDDI CORPORATION
    Inventors: Shota ISHIMURA, Hsuan-Yun KAO, Kazuki TANAKA, Kosuke NISHIMURA, Masatoshi SUZUKI