Patent · US Expired

Spread spectrum receiving apparatus

US5856997A · kind A · utility

18Cited by
2References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 20, 1995
Grant dateJan 5, 1999
Priority date
Expiry dateOct 20, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04B1/707
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A receiving apparatus includes a base-band conversion circuit, a synchronizing circuit/code generator and a demodulator. The base-band conversion circuit converts a received signal into a base-band signal. The synchronizing circuit/code generator detects a spread code included in the received signal to generate a plurality of spread codes in synchronization with the spread code included in the received signal. The demodulator uses the plurality of spread codes supplied by the synchronizing circuit/code generator to demodulate the base-band signal.

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