| 发明名称 |
PCM coder with shifting idle channel noise level |
| 摘要 |
Circuitry useful in PCM coders for effectively shifting the idle channel noise signal to a level midway between the code state boundaries thereby significantly reducing the likelihood that noise signals will cross a boundary and be encoded.
|
| 申请公布号 |
US4151516(A) |
申请公布日期 |
1979.04.24 |
| 申请号 |
US19750607778 |
申请日期 |
1975.08.26 |
| 申请人 |
BELL TELEPHONE LABORATORIES INC |
发明人 |
O'NEILL, JOHN F |
| 分类号 |
H03M1/00;(IPC1-7):H03K13/02 |
主分类号 |
H03M1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
