Patents by Inventor Hae-Wan Choi

Hae-Wan 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: 6265845
    Abstract: A portable battery charger having at least one charging pocket for recharging a battery pack mounted on a mobile station or a separate battery pack, comprising a charger housing including a pair of inside walls facing each other, a ceiling connecting the inside walls, at least one opening side, a mounting space enclosed by the inside walls and the ceiling, and a printed circuit board providing at least one pair of electrical contacts; a charging unit having front and rear surfaces, a pair of side surfaces, and at least one top surface detachably mounted in the mounting housing for independently recharging the mobile station while traveling; a guide structure for horizontally or vertically mounting the charging unit in the charger housing; and an electrical connection device for electrically connecting the charging unit with the charger housing.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: July 24, 2001
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Moo Hwang Bo, Dong-Wook Gwak, Ju-Ho Song, Jeong-Woo Seo, Hae-Wan Choi