Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises
US4924492A · kind A · utility
193Cited by
4References
28Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 22, 1988 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Mar 22, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/4921
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In a telephone local loop transmission arrangement, data is communicated from the customer premises to the central office utilizing a multi-dimensional, passband signal illustratively at 480 kb/s and 1.544 Mb/s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.