EP0240820A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Two-dimensional digital wave filter
Assignee: Siemens AG
•
Filing: 1987-03-23
•
Granted: —
•
Expires: 2007-03-23
Abstract
Abstract Translated from German In der DE-PS 26 39 568 sind Wellendigitalfilter angegeben, die als mehrdimensionale Wellendigitalfilter ausgebildet sind. Eine spezielle Struktur ist die zweidimensionale digitale Filterschaltung. Angegeben werden Möglichkeiten, solche zweidimensionalen Wellendigitalfilter als kreuzantimetrische Struktur auszubilden. DE-PS 26 39 568 specifies wave digital filters which are designed as multidimensional wave digital filters. The two-dimensional digital filter circuit is a special structure. Options are given to design such two-dimensional wave digital filters as a cross-antimetric structure.
Inventors
- 👤 Alfred Prof. Dr. Fettweis
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 19:26
CPC Classifications
H; H03; H03H; H03H17/00; H03H17/02; H03H17/0201
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US4061905A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.