Patents by Inventor Eikoh Gotoh

Eikoh Gotoh 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).

  • Patent number: 10673458
    Abstract: A signal processing device is provided, which includes a pulse compressing module configured to generate a pulse compressed signal obtained by performing pulse compression on a reception signal that is a reflection of a transmission signal transmitted to outside the device, a pseudo signal generating module configured to generate, based on the reception signal, a pseudo signal of which a pseudo main lobe portion corresponding to a main lobe of the pulse compressed signal has a lower signal level than signal levels of pseudo side lobe portions corresponding to side lobes of the pulse compressed signal, and a side lobe removing module configured to remove the pseudo signal from the pulse compressed signal.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: June 2, 2020
    Assignee: FURUNO ELECTRIC COMPANY LIMITED
    Inventors: Keisuke Tanaka, Eikoh Gotoh
  • Publication number: 20180278265
    Abstract: A signal processing device is provided, which includes a pulse compressing module configured to generate a pulse compressed signal obtained by performing pulse compression on a reception signal that is a reflection of a transmission signal transmitted to outside the device, a pseudo signal generating module configured to generate, based on the reception signal, a pseudo signal of which a pseudo main lobe portion corresponding to a main lobe of the pulse compressed signal has a lower signal level than signal levels of pseudo side lobe portions corresponding to side lobes of the pulse compressed signal, and a side lobe removing module configured to remove the pseudo signal from the pulse compressed signal.
    Type: Application
    Filed: March 20, 2018
    Publication date: September 27, 2018
    Applicant: FURUNO ELECTRIC CO., LTD.
    Inventors: Keisuke TANAKA, Eikoh GOTOH
  • Patent number: 9784819
    Abstract: A radar apparatus for performing pre-distortion is provided, which has a configuration instantly transmittable of a transmission signal without distortion even in a case where a power is turned off. A radar apparatus (pulse compression radar) calculates a correction coefficient based on a transmission signal before distortion occurs therein and a transmission signal (feedback signal) outputted by a power amplifier. The radar apparatus corrects the transmission signal outputted by an ideal transmission signal memory while taking into consideration distortion that is caused in the amplification by the power amplifier, by using the correction coefficient. The radar apparatus includes a non-volatile memory configured to store the calculated correction coefficient as backup.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: October 10, 2017
    Assignee: Furuno Electric Co., Ltd.
    Inventors: Yasunobu Asada, Akinori Shimizu, Eikoh Gotoh
  • Publication number: 20150234036
    Abstract: A radar apparatus for performing pre-distortion is provided, which has a configuration instantly transmittable of a transmission signal without distortion even in a case where a power is turned off. A radar apparatus (pulse compression radar) calculates a correction coefficient based on a transmission signal before distortion occurs therein and a transmission signal (feedback signal) outputted by a power amplifier. The radar apparatus corrects the transmission signal outputted by an ideal transmission signal memory while taking into consideration distortion that is caused in the amplification by the power amplifier, by using the correction coefficient. The radar apparatus includes a non-volatile memory configured to store the calculated correction coefficient as backup.
    Type: Application
    Filed: September 10, 2013
    Publication date: August 20, 2015
    Inventors: Yasunobu Asada, Akinori Shimizu, Eikoh Gotoh