Patent · US Expired

Enhanced constellation display for VSB television signals

US6741642B1 · kind B1 · utility

1Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 1998
Grant dateMay 25, 2004
Priority date
Expiry dateApr 3, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N21/4382
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A modulation analyzer includes a smoothing processor which processes the coordinates of symbol landing points to generate a curve that optimally fits the landing points under a selected criterion.

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