Semiconductor integrated device
US5305379A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 1992 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | May 19, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B3/23
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A sending data buffer for holding sending data temporarily and transmitting the data to an echo canceler section is installed between a sending section and an echo canceler section of an echo canceler integrated circuit included in a subscriber line circuit of an integrated service digital network. The sending data buffer is operated in a shift register mode during a sending training mode, and operated in FIFO (first in-first out) mode during a sending/receiving training mode. Also, an adjustment function of the delay amount corresponding to the use setting is added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.