Patent · US Expired

Sample and hold circuit for a liquid crystal display screen

US5252956A · kind A · utility

7Cited by
7References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 1991
Grant dateOct 12, 1993
Priority date
Expiry dateSep 23, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G3/2011
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Sample and hold circuit for a liquid crystal display screen. The circuit comprises two stages, the first with switched capacitance the second with an amplifier device. Application to the control of liquid crystal display screens.

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