Transmitting device and bus system for data transfer
US6484223B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 18, 1999 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | May 18, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/0286
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention relates to a transmitting device and a bus system for the serial data transfer of binary data between at least two communication stations, which are coupled to one another via an individual bus line. The transmitting device of a communication station has a circuit for waveform setting. The circuit for waveform setting generates, from a data signal to be transmitted, an output signal having signal edges which are as far as possible in the form of sinusoidal half-waves. In order to generate the signal edges in the form of sine half-waves, an oscillator, a clock counter and a parallel D/A converter are connected in series one after the other. The output signal at the output of the D/A converter has stepped edges. An optimized output signal having signal edges in the form of sine half-waves can be generated by means of suitable dimensioning of the reference elements of the voltage divider of the D/A converter and also by means of a smoothing filter connected downstream of the D/A converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.