Patent · US Active

Test device, display device, and method for checking a validity of display signals

US8543349B2 · kind B2 · utility

1Cited by
3References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 2008
Grant dateSep 24, 2013
Priority date
Expiry dateMay 8, 2030

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N17/00
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A test device for checking the validity of display signals pertaining to a predefined image includes a device for ascertaining image data from the display signals, device for determining a test value of the image data, and a comparator unit for comparing the ascertained test value with a stored test value pertaining to the image, a validity of the display signals being established in the case where the two test values coincide.

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