Patent · US Expired

DA converter

US4752767A · kind A · utility

3Cited by
4References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 8, 1985
Grant dateJun 21, 1988
Priority date
Expiry dateJul 8, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03M1/747
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a DA converter of the type wherein a group of switch circuits are controlled in response to input digital signals and a plurality of constant current sources are driven in response to on and off of the switch circuits to convert the input digital signals into analogue signals, the DA converter comprising a plurality of lineages of digital input circuits for controlling the switch circuits, whereby digital signals inputted to the input circuits are changed over in order for each lineage to DA convert them.

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