Patent · US Expired

Multiplex device for monitoring computer video signals

US5978389A · kind A · utility

28Cited by
4References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 12, 1998
Grant dateNov 2, 1999
Priority date
Expiry dateMar 12, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N5/268
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A multiplex device is provided for monitoring computer video signals and receives as input the video signals of a plurality of computers. The multiplex device selects the video signals of one of the plurality of computers to be inputted into a monitor for monitoring. The multiplex device for monitoring the computer video signals has three sets of switch circuits, a control signal generating circuit, three sets of voltage amplifying circuits, three sets of current amplifying circuits, a synchronous signal multiplex selecting circuit, and an interface circuit.

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