公开(公告)号：US07511400B2

公开(公告)日：2009-03-31

申请号：US11412378

申请日：2006-04-27

Applicant: Hungkun James Chang

Inventor： Hungkun James Chang

IPC: H02K1/22

CPC classification number: H02K7/083 ,  H02K7/025 ,  Y02E60/16

Abstract: A dynamo system comprises a flywheel mounted on a shaft intermediate its ends. A circular track in the dynamo system includes an inward groove structure to keep the ends of the shaft tracked inside while the flywheel rotating and spinning, the shaft's ends is dangling inside the circular track so that the shaft's ends will move freely along the circular course of the circular track while the flywheel rotates and spins.

Abstract translation: 发电机系统包括安装在其两端的轴上的飞轮。 发电机系统中的圆形轨道包括向内凹槽结构，以在飞轮旋转和旋转的同时将轴的端部保持在内部，轴的端部悬挂在圆形轨道内，使得轴的端部沿着圆形轨道的圆周方向自由移动 飞轮旋转旋转时的圆形轨道。

公开(公告)号：US06935059B1

公开(公告)日：2005-08-30

申请号：US10851623

申请日：2004-05-22

Applicant: Hungkun James Chang

Inventor： Hungkun James Chang

IPC: G09F7/18 ,  G09F15/00

CPC classification number: G09F7/18 ,  G09F15/00

Abstract: A crime scene fence post having a post base and an elongated post. The top end of the post has a lead-in notch, a slit, and a slot concatenated along the longitudinal axis of the post for easy installation and hold of a crime scene fence tape. The bottom end of the post has a tenon and the center of the post base has a mortise so that the post and the post base can be joined together to form a self-supported crime scene post.

Abstract translation: 一个犯罪现场围栏岗位，有一个岗位基地和一个细长的岗位。 柱的顶端具有引导槽，狭缝和沿柱的纵向轴线连接的狭槽，以便于安装和保持犯罪现场栅栏带。 柱的底端有一个榫头，柱子的中心有一个榫眼，使得柱子和柱子可以结合在一起，形成一个自我支持的犯罪现场。