Patent · US Expired

Cut-off level setting

US6211629A · kind A · utility

2Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 2000
Grant dateApr 3, 2001
Priority date
Expiry dateMar 2, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N5/59
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The cut-off level (Vcod) of a drive signal (Vd) of a cathode ray tube (3) is (Ib1, Ib2) occurring at these two levels (Vd1, Vd2).

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