Patent · US Expired

Digital signal processor architecture

US4843581A · kind A · utility

19Cited by
4References
8Claims
0Family size

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Key dates

Filing dateMay 11, 1987
Grant dateJun 27, 1989
Priority date
Expiry dateMay 11, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03H2218/08
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

The computational processing power of a Digital Signal Processor (DSP) in linear-phase Finite Impulse Response Filter (FIR) applications is essentially doubled by taking advantage of either the even (symmetrical) or odd (antisymmetrical) symmetry of the response of such a filter.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.