Communication system and communication device
US9577709B2 · kind B2 · utility
0Cited by
11References
14Claims
0Family size
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Inventors
Key dates
| Filing date | Jul 13, 2012 |
| Grant date | Feb 21, 2017 |
| Priority date | — |
| Expiry date | Nov 29, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S30/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An output circuit sends out, to an input circuit, a control pilot signal generated by a voltage source. A voltage transformer is provided to a control pilot line on the output side of the output circuit, and a communication unit transmits and receives communication signals via the voltage transformer. A voltage transformer is provided to the control pilot line on the input side of the input circuit, and a communication unit transmits and receives the communication signals via the voltage transformer. A low-pass filter is provided to the control pilot line between the input circuit and the voltage transformer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.