Patent · US Expired

Optical communications apparatus for sending optical transmissions to a plurality of remote stations

US4933928A · kind A · utility

14Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 1988
Grant dateJun 12, 1990
Priority date
Expiry dateApr 28, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B7/18521
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

Optical communications apparatus for sending and receiving optical transmissions to and from a plurality of remote stations by a plurality of independent terminals which are multiplexed so that all operate through a single optical system for both transmission and reception of modulated beams containing encoded data.

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