| 发明名称 |
DIGITAL TONE GENERATOR FOR USE WITH RADIO TRANSMITTERS AND THE LIKE |
| 摘要 |
<p>Many radio continuous tone controlled squelch systems use a digitally generated tone. A digital adder is provided for the digital tone generator to introduce a phase shift to the tone to indicate that a radio transmission is ending.</p> |
| 申请公布号 |
CA1089018(A) |
申请公布日期 |
1980.11.04 |
| 申请号 |
CA19770279708 |
申请日期 |
1977.06.02 |
| 申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
CHALLEN, RICHARD F. |
| 分类号 |
H04B1/04;(IPC1-7):04B1/04 |
主分类号 |
H04B1/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
