Method and apparatus for transferring data between two data processing equipments each driven by an independent clock
US4984194A · kind A · utility
6Cited by
6References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 1987 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Dec 16, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/45
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for transferring data words from a transmitter register to a receiver register between transmitting and receiving equipment which are respectively driven by a first and a second clock. A state signal which can assume two alternative definite values is applied from the transmitter side to the receiver side, whereafter the state of the signal is changed from the transmitter side. The state signal is processed logically to obtain the start of a write signal which achieves writing into the receiver register and the write signal is interrupted with the aid of the receiver side clock signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.