Patents Examined by Charles G Curtis, III
  • Back warning buzzer system for vehicle having trailer mounted thereto
    Patent number: 7612657
    Abstract: Disclosed herein is a back warning buzzer system for an automotive vehicle having a trailer mounted thereto, comprising: (a) a control unit; (b) a plurality of sensors equidistantly mounted to the back bumper of the vehicle; and (c) a buzzer operable by the control unit in response to signals from the sensors. Also disclosed is a back warning method therefrom.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: November 3, 2009
    Assignee: Hyundai Motor Company
    Inventor: Jong Gyu Kim
  • On-board unit
    Patent number: 7612687
    Abstract: An on-board unit includes a dust sensor for detecting an amount of dust in an air in a vehicle. When the amount of dust is equal to or greater than a predetermined value and a front panel of the unit is open, the front panel is moved to close a media slot and insertion/ejection operation of a medium is prohibited as a preventive measure for dust intrusion.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: November 3, 2009
    Assignee: DENSO CORPORATION
    Inventor: Satoshi Nakamura