| 摘要 |
OF THE DISCLOSURE OMNI-DIRECTIONAL MONOPOLE DISC ANTENNA FOR TRI- BAND SYSTEM 5 AN ORNNI-DIRECTIONAL MONOPOLE DISC ANTENNA FOR TRI-BAND SYSTEM IS DISCLOSED. THE ANTENNA COMPRISES A CIRCULAR DISC PLANE (40) HAVING DISPOSED WITH A N-FERNALE TYPE CONNECTOR (50); A 3-STEP CYLINDER (20) INCLUDING AN INNER-CENTER CYLINDER (30) CENTRALLY DISPOSED ABOVE THE IO SURFACE OF THE DISC PLANE (40), A BOTTOM CYLINDER (22) DISPOSED TO SURROUND THE INNER-CENTER CYLINDER (30), AND A TOP CYLINDER (10) MOUNTED ONTO THE INNER-CENTER CYLINDER (30), WHEREIN THE N-FEMALE TYPE CONNECTOR (50) CONNECTS THE CIRCULAR DISC PLANE (40) TO THE 3-STEP CYLINDER (20), AND THE PIN (52) OF THE N-FERNALE TYPE CONNECTOR (50) IS CONNECTED WITH THE 15 BOTTOM EDGE OF THE BOTTOM CYLINDER (22). (FIG. 1) 1/0 'VO3 114 @
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