Patent · US Expired

Inverse two-dimensional transform processor

US4288858A · kind A · utility

14Cited by
10References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 1979
Grant dateSep 8, 1981
Priority date
Expiry dateOct 1, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F17/147
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A processor capable of performing a two-dimensional inverse transform on high speed analog data and outputing the results in a display compatible format. The processor utilizes two charge coupled devices (CCD's), two matrix multipliers, which each perform a one-dimensional transform. The one-dimensional transformed data is multiplexed into a series to parallel converter so that another matrix multiplier can complete the two-dimensional transformation of the analog data.

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