Patent · US Expired

Quasi-static level shifter

US5212474A · kind A · utility

6Cited by
6References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 2, 1991
Grant dateMay 18, 1993
Priority date
Expiry dateMay 2, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2310/0289
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A quasi-static level shifter includes an output stage including a first transistor which is controlled directly by the input signal, and a further transistor connected in series with the first transistor to terminals of a DC supply voltage and which is controlled, via a capacitance, by the input signal combined with a recurrent, spike-shaped signal. The level shifter thus behaves as a static level shifter but has a lower current consumption and requires less surface area.

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