Network communication system with bidirectional current modulation for transmitting data
US11722334B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Nov 18, 2019 |
| Grant date | Aug 8, 2023 |
| Priority date | — |
| Expiry date | Mar 18, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/40273
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network communication system for a vehicle includes a communication bus, a first communication device, and a plurality of second communication devices which are connected to one another via the communication bus. The first communication device includes a bias voltage source for generating a constant bias voltage on the communication bus, the first communication device includes a current measurement apparatus for capturing the current on the communication bus, the network communication system includes a terminating resistor which is arranged in parallel with the plurality of second communication devices, the first communication device includes a first modulation apparatus for modulating a current set by the bias voltage and the terminating resistor on the communication bus, each second communication device includes a second voltage measurement apparatus for capturing a voltage at the terminating resistor and a second modulation apparatus for modulating the current set by the bias voltage and the terminating resistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.