Recursive digital filter
US5894428A · kind A · utility
20Cited by
6References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1997 |
| Grant date | Apr 13, 1999 |
| Priority date | — |
| Expiry date | Jul 28, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03H17/04
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A recursive digital filter has a recursive arithmetic operation circuit and an output compensation circuit. The output compensation circuit outputs a value of zero as output data of the recursive digital filter, even if the data input to the recursive arithmetic operation circuit is zero.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.