公开(公告)号：AU8024301A

公开(公告)日：2002-03-22

申请号：AU8024301

申请日：2001-08-29

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： LEE TAE YUNE ,  YUN JE HOON ,  CHOI JAE ICK ,  KWON JONG HWA ,  PARK HYUN HO

IPC: H01Q1/24 ,  H01Q17/00 ,  H04B1/38

Abstract: The present invention relates to a structure of an antenna and its shielding structure for a mobile phone which may significantly reduce the hazardous electromagnetic wave transmitted to the user's body. The present invention arranges a monopole antenna inside of the mobile phone housing, and installs an electromagnetic wave absorber between the antenna and the circuit board. The electromagnetic wave absorber can absorb the electromagnetic wave reflected form conductive plate constituting the circuit board. Thus, the adverse effect of the reflected electromagnetic wave to the performance of antenna is prevented and the amount of the electromagnetic wave to which the users is exposed can be significantly reduced as well.

公开(公告)号：KR20100058270A

公开(公告)日：2010-06-03

申请号：KR20080117019

申请日：2008-11-24

Applicant: KOREA ELECTRONICS TELECOMM

Inventor： YUN JE HOON ,  KIM YOUNG HO ,  KWON JONG HWA ,  PARK UNG HEE ,  PARK SANG MYEONG ,  KIM CHANG JOO

IPC: H01Q3/26 ,  H01Q3/00

Abstract: PURPOSE: An antenna is provided to obtain high isolation by attenuating a transmission signal which does not pass through an object. CONSTITUTION: A first antenna(2) and a second antenna(3) are vertically arranged with each other. A third antenna(4) and a fifth antenna(6) are symmetrical based on the plane formed by the first and second antennas. The third antenna and a fifth antenna are vertical to the first antenna. The inner cores of a feeding connector of the third and fifth antennas are arranged in the opposite direction. A fourth antenna(5) and a sixth antenna(7) are symmetrical based on the plane formed by the first and second antennas. The fourth antenna and the sixth antenna are horizontal to the first antenna.

Abstract translation: 目的：通过衰减不通过物体的传输信号，提供天线以获得高隔离度。 构成：第一天线（2）和第二天线（3）彼此垂直布置。 第三天线（4）和第五天线（6）基于由第一和第二天线形成的平面对称。 第三天线和第五天线垂直于第一天线。 第三和第五天线的馈电连接器的内芯布置在相反的方向。 第四天线（5）和第六天线（7）基于由第一和第二天线形成的平面对称。 第四天线和第六天线与第一天线水平。

公开(公告)号：KR20070095060A

公开(公告)日：2007-09-28

申请号：KR20060025257

申请日：2006-03-20

Applicant: KOREA ELECTRONICS TELECOMM ,  EPSILON CORP

Inventor： KWON JONG HWA ,  KIM KWANG WOOK ,  CHOI JAE ICK ,  CHOI HYUNG DO

IPC: B22F1/02

Abstract: A noble method for coating the surface of a mica powder with silver to improve corrosion resistance and electromagnetic shielding efficiency of the mica powder is provided. A method for coating a mica powder with silver comprises the steps of: degreasing and etching a mica powder; sensitizing the degreased and etched mica powder; and adding the sensitized mica powder into a solution comprising a silver compound, a complex and a stabilizer, and injecting a reductant into the mixed solution within 5 minutes, and coating the mica powder with the solution. The mica powder can be replaced with a plastic powder or a ceramic powder. The complex is ammonia water. The stabilizer is at least one selected from the group consisting of ammonium bicarbonate and ammonium carbonate. The reductant is at least one selected from the group consisting of hydrazine monohydrate, formalin, glucose, ascorbic acid, sugar-alcohol, and borohydride.

Abstract translation: 提供了用银涂覆云母粉表面的高效方法，以提高云母粉的耐腐蚀性和电磁屏蔽效率。 用银包覆云母粉的方法包括以下步骤：对云母粉进行脱脂和蚀刻; 使脱脂和蚀刻的云母粉敏感; 并将致敏云母粉末加入到包含银化合物，络合物和稳定剂的溶液中，并在5分钟内将还原剂注入混合溶液中，并用溶液涂覆云母粉末。 云母粉末可以用塑料粉末或陶瓷粉末代替。 复合体是氨水。 稳定剂是选自碳酸氢铵和碳酸铵中的至少一种。 还原剂是选自一水合肼，福尔马林，葡萄糖，抗坏血酸，糖醇和硼氢化物中的至少一种。