Patent · US Expired

Video display apparatus for displaying plural images simultaneously on a screen

US5801788A · kind A · utility

7Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 1996
Grant dateSep 1, 1998
Priority date
Expiry dateSep 6, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N5/45
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A video display apparatus comprising a memory of fields for plural images, a device for judging whether even-number field or odd-number field, and a frame synchronizing device for reading and selecting fields, in which, if the input has one type of field only, these plural images are displayed simultaneously while keeping correct interlacing.

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