| 发明名称 |
RADIATION-FREE CELLULAR TELEPHONE SYSTEM |
| 摘要 |
A cell phone (6) with radiation-free sound system uses an electrical interface (9) to connect a converter (7) to convert electric signals from the phone to acoustic sound waves for transmission through sound tubes (11, 13) thereby reducing the exposure of the user to hazardous electromagnetic radiation.
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| 申请公布号 |
WO0178243(A1) |
申请公布日期 |
2001.10.18 |
| 申请号 |
WO2001IL00293 |
申请日期 |
2001.03.28 |
| 申请人 |
SILVER HELM, INC. |
发明人 |
INGBIR, RONEN;BERLAD, AMIR;COHEN, YARIV;BECK, ROY |
| 分类号 |
H04B1/38;H04B;H04M;H04M1/02;H04M1/03;H04M1/05;H04M1/60;H04Q;H04R1/00;(IPC1-7):H04B1/38 |
主分类号 |
H04B1/38 |
| 代理机构 |
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代理人 |
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