Patent · US Expired

Spread-spectrum communication apparatus

US4926440A · kind A · utility

18Cited by
3References
7Claims
0Family size

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Inventors

Key dates

Filing dateJan 20, 1989
Grant dateMay 15, 1990
Priority date
Expiry dateJan 20, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B1/70718
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

In a spread-spectrum communication apparatus using a convolver as a correlator, demodulating processes in a receiver apparatus using a carrier and a PN code are performed under a non-synchronous condition.

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