手持移动电话的三频操作，减少EMW的危害

2000 10th Mediterranean Electrotechnical Conference. Information Technology and Electrotechnology for the Mediterranean Countries. Proceedings. MeleCon 2000 (Cat. No.00CH37099) Pub Date : 2000-05-29 DOI:10.1109/MELCON.2000.880444

M. Abousetta, Z. Alhamdani, S. I. Al-Mously, M. Al-Daghistani, K. Omran

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引用次数: 3

摘要

本文提出了解决手持移动天线辐射造成的电磁波危害问题和不同调谐频率的手持移动操作问题的尝试。为满足上述要求，设计了四分之一波双元阵列天线。这种天线配置能够在817.5 MHz、1751.5 MHz和1984 MHz三个不同的调谐频率下工作。此外，每个调谐频率的辐射模式在手机用户头部的方向上具有凹槽。在手持移动电话中使用这种阵列天线，可以兼容全球不同的操作系统，即GSM-900, PCS-1800, DCS-1900和DECT，并且比使用单极或螺旋天线的手持移动电话更安全。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Triple-frequency operation for a hand-set mobile telephone with reduced EMW hazard

In the paper an attempt to solve the problem of electromagnetic wave (EMW) hazard caused by the radiation from hand-set mobile antenna as well as the problem of the hand-set mobile operation with differently tuned frequencies was suggested. A quarter-wave triple-two-element array antenna was implemented to fulfill these requirements. This antenna configuration was capable of operating with three different tuned frequencies 817.5 MHz, 1751.5 MHz and 1984 MHz. Moreover the radiation pattern of each tuned frequency has a notch in the direction of the handset user's head. Using such array antenna in the hand-set mobile telephone makes it compatible with the worldwide different operating systems namely GSM-900, PCS-1800, DCS-1900 and DECT and also safer to use than the hand-set mobile with single monopole or helical antenna.

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来源期刊

2000 10th Mediterranean Electrotechnical Conference. Information Technology and Electrotechnology for the Mediterranean Countries. Proceedings. MeleCon 2000 (Cat. No.00CH37099)

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