Circuit and method for the recovery of data from a digital data stream
US4716578A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Sep 29, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/242
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention provides an interface circuit for connection between an input data port and a data receiver. A data recovery circuit is responsive to a data stream on the input port for generating data pulses corresponding thereto and a clock recovery circuit is responsive to the data pulses for generating clock signals. A circuit is responsive to the clock signals and the data pulses for generating, for each data pulse, a recognition window having a maximum width approximately corresponding to the combined duration of the data pulse being recognized and one of the clock pulses. A data synchronization circuit is responsive to the output from the circuit and to the recovered clock signals for generating synchronous data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.