Patents by Inventor Chan Woo Choi

Chan Woo Choi 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: 6931696
    Abstract: A multi-purpose buckle sensor assembly includes a hall sensor portion including a hail sensor and a printed enclosed in one package; a base plate including a metal pattern with a plurality of terminal portions for control and power lines formed in a predetermined pattern and a supporting plate including a plurality of terminal seats for connecting the connecting ends of control and power lines to the terminal portions; a movable member including at least two contact terminals for generating various control and a terminal block made of a heat-melted material in the form of a fork having three branches at the front portion and including at least one branch enclosing the connecting ends of the control and power lines electrically coupled to each other with the control terminal portions in corresponding power terminal seats, in which the hall sensor portion is cooperated with a buckle assembly.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: August 23, 2005
    Assignee: Delphi Automotive Systems Sungwoo Corporation
    Inventors: Jae Ho Lee, Chan Woo Choi
  • Patent number: 6907646
    Abstract: A seatbelt buckle apparatus includes a buckle assembly for latching or unlatching a tongue connected to a seatbelt, a hall sensor assembly including contact and non-contact switched integrated into one unit, which is coupled with the buckle assembly, and for operating together with the buckle assembly to detect the locking or unlocking state thereof to generate at least two control signals; an upper case and a lower case coupled to each other for receiving the buckle assembly and the hall sensor assembly, in which the lower case includes a device for determining the position of the hall sensor assembly and fixing it thereon; the frame includes a device for determining the position of the hall sensor assembly and fixing it thereto; and an ejector including a second permanent magnet to cooperate with the hall sensor responsive to the movement thereof and a pair of leg portions projected from a lower surface thereof to cooperate with the movable member.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: June 21, 2005
    Assignee: Delphi Automotive Systems Sungwoo Corporation
    Inventors: Jae Ho Lee, Chan Woo Choi
  • Publication number: 20040111845
    Abstract: A multi-purpose buckle sensor assembly comprises a hall sensor portion including a hall sensor and a printed enclosed in one package; a base plate including a metal pattern with a plurality of terminal portions for control and power lines formed in a predetermined pattern and a supporting plate including a plurality of terminal seats for connecting the connecting ends of control and power lines to the terminal portions; a movable member including at least two contact terminals for generating various control and a terminal block made of a heat-melted in the form of a fork having three branches at the front portion and including at least one portions enclosing the connecting ends of the control and power lines electrically coupled to each another with the control terminal portions in corresponding power terminal seats, in which the hall sensor portion is cooperated with a buckle assembly.
    Type: Application
    Filed: September 22, 2003
    Publication date: June 17, 2004
    Inventors: Jae Ho Lee, Chan Woo Choi
  • Publication number: 20040107550
    Abstract: A seatbelt buckle apparatus comprises a buckle assembly for latching or unlatching a tongue connected to a seatbelt, a hall sensor assembly including contact and non-contact switched integrated into one unit, which is coupled with the buckle assembly, and for operating together with the buckle assembly to detect the locking or unlocking state thereof to generate at least two control signals; a upper case and a lower case coupled to each other for receiving the buckle assembly and the hall sensor assembly, in which the lower case includes means for determining the position of the hall sensor assembly and fixing it thereon; the frame includes means for determining the position of the hall sensor assembly and fixing it thereto; and an ejector including a second permanent magnet to be cooperated with the hall sensor responsive to the movement thereof and a pair of leg portion projected from a lower surface thereof to be cooperated with the movable member.
    Type: Application
    Filed: September 22, 2003
    Publication date: June 10, 2004
    Inventors: Jae Ho Lee, Chan Woo Choi