Patents by Inventor Toshikatsu Murakami

Toshikatsu Murakami 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).

  • Communication apparatus and communication system
    Patent number: 10594362
    Abstract: A communication apparatus electrically connected to a first antenna through a first cable includes a second antenna that is substitutable for the first antenna; a first ground portion to which a second cable for grounding the first antenna is connected; an antenna detection circuit to detect a state of the first antenna; an antenna switching unit to switch from the first antenna to the second antenna, in a case where the antenna detection circuit detects an abnormality of the first antenna; and an insulating portion to insulate the first ground portion from a second ground portion around the first ground portion, in a case where the antenna detection circuit detects an abnormality of the first antenna.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: March 17, 2020
    Assignee: ALPINE ELECTRONICS, INC.
    Inventor: Toshikatsu Murakami
  • COMMUNICATION APPARATUS AND COMMUNICATION SYSTEM
    Publication number: 20190349025
    Abstract: A communication apparatus electrically connected to a first antenna through a first cable includes a second antenna that is substitutable for the first antenna; a first ground portion to which a second cable for grounding the first antenna is connected; an antenna detection circuit to detect a state of the first antenna; an antenna switching unit to switch from the first antenna to the second antenna, in a case where the antenna detection circuit detects an abnormality of the first antenna; and an insulating portion to insulate the first ground portion from a second ground portion around the first ground portion, in a case where the antenna detection circuit detects an abnormality of the first antenna.
    Type: Application
    Filed: May 8, 2019
    Publication date: November 14, 2019
    Applicant: ALPINE ELECTRONICS, INC.
    Inventor: Toshikatsu Murakami