Filtering of electromagnetic interference from a digital signal
US4721870A · kind A · utility
11Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1986 |
| Grant date | Jan 26, 1988 |
| Priority date | — |
| Expiry date | Oct 3, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H7/01
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An apparatus for filtering radio frequency interference from digital signals. The filter uses a resistor, an inductor and a capacitor to provide a filter with a broad bandwidth capable of passing high frequency digital signals, while severely attenuating radio frequencies coupled to the digital signals. The filter is used primarily in conjunction with an electronic control to filter input signals to the control from remote sensors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.