| 发明名称 |
|
| 摘要 |
<p>In a frequency hopped radio communication system wherein a control signal and a speech signal are transmitted together and the speech signal is transmitted via a predetermined set of frequency bands, method and apparatus are provided for converting the control signal into a corresponding RF control signal having a frequency spectrum lying in frequency bands separate from the predetermined set of bands. The frequency bands for the RF control signal may be between the predetermined set of frequency bands for the speech signal and may particularly be within guard bands established between the set of frequency bands for the speech signal.</p> |
| 申请公布号 |
JP2912664(B2) |
申请公布日期 |
1999.06.28 |
| 申请号 |
JP19900052147 |
申请日期 |
1990.03.02 |
| 申请人 |
NAKAGAWA MASAO;MATSUSHITA DENKI SANGYO KK |
发明人 |
NAKAGAWA MASAO;YABUKI HIROYUKI |
| 分类号 |
H04B1/713;H04B1/7143;H04B7/26;H04J13/00;H04W4/04;H04W76/02;H04W84/08;(IPC1-7):H04Q7/28;H04J13/06 |
主分类号 |
H04B1/713 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
