Chae U Kim

6604602, Aug 12, 2003

Sep 30, 2002

10/259881

Chae Yong Kim - Ontario CA, 91761

H04R 130

181199, 181189, 181190, 381351

A novel speaker box system for a deep bass amplification consists of a front trumpet horned speaker cover box and a rear speaker box. The rear speaker box consists of a cylindrical box and a speaker installed at one end of the cylinder. The other side of the speaker box has a hole for electrical wires to the speaker. The front trumpet horned speaker cover box consists of a cylindrical box and a trumpet. The trumpet is attached to one end of the cylindrical box. The center of the trumpet has an air port connecting the inner side of the trumpet box and the open air. The trumpet horned speaker cover box and the speaker box of this invention are assembled in one set by, including but not limited to, a male thread screw carved on the outside of the speaker box and a female thread screw inside of the trumpet box. Those boxes are assembled in one set for a hip-hop or a rap, which needs a deep bass sound. For a classical music or opera, the bass amplifying trumpet horned speaker cover box is separated from the speaker box.

20090229055, Sep 17, 2009

Apr 13, 2007

11/786729

Chae Yong Kim - Ontario CA, US

A47G 9/00

5636, 5951

An ergonomic pillow is provided. The ergonomic pillow according to current application is to release muscles of a user's neck and upper shoulder to remove pains. Office workers usually spend long hours with crouched position. When a user uses this ergonomic pillow while sleeping, it releases muscles on the neck and upper portion of the shoulder of a user. The ergonomic pillow according to current application is comprised of a long cylindrical center portion and two trapezoidal wings whose narrow tip is rounded. The two wings are developed along the long axis of the cylindrical portion on the outer surface thereof. Center portion of one wing is removed for shoulder approach. The pillow of the current application is made of a porous visco-elastic polymer or wood.

54183383, May 23, 1995

Aug 9, 1994

8/287932

Chae Y. Kim - Ontario CA

A47B 8106

181199

A speaker box with pivotally installed divider providing an adjustable volume. One embodiment is a large, rectangularly shaped wooden speaker box which is centrally partitioned into two separate chambers, each of which houses one woofer. Each chamber contains a pivotally installed divider. A nut mounted on the divider is threadedly connected to a bolt which is rotated by a motor and which is mounted to the rear wall of the speaker box. Thus, when the motor rotates the bolt, the divider is pulled toward or pushed away from the rear wall of the speaker box. Regardless of the position, the moveable divider is a virtual rear wall of the volume and therefore defines the volume available for amplified bass. Another embodiment is a cylindrically shaped wooden tube which houses only one woofer. In much the same way as described for the rectangular speaker box, a circular divider is mounted within--allowing the amount of interior space used by the speaker to be adjusted.