Apparatus and method for transferring an analog signal between isolated systems
US7411849B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 2, 2006 |
| Grant date | Aug 12, 2008 |
| Priority date | — |
| Expiry date | Feb 8, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/0266
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for transferring a signal from a first bus circuit to a second bus circuit. The apparatus and method includes a first constant current circuit connected to the first bus circuit, a first capacitor connected between the first bus circuit and the first constant current circuit, a second constant current circuit connected to the second bus circuit, a second capacitor connected between the second bus circuit and the second constant current circuit, and an opto-coupler connected between the first and second constant current circuits and providing signal transfer control from the first capacitor to the second capacitor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.