Patent · US Expired

Method for selectively activating and deactivating devices having same first address and different extended addresses

US4918598A · kind A · utility

37Cited by
38References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 1987
Grant dateApr 17, 1990
Priority date
Expiry dateDec 14, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L12/403
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method for activating one of a plurality of devices coupled to a communications medium at a first address location and controlled by a host computer. A plurality of extended addresses are provided to the devices, each of the devices having a unique extended address. A command is transmitted from the host computer to the first address. One of the plurality of devices is activated by transmitting the unique extended address of the device on the communications medium, the activated device responding to further commands sent to the first address location.

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