LINEARIZED OFFSET QPSK MODULATION UTILIZING A SIGMA-DELTA BASED FREQUENCY MODULATOR

Details for Australian Patent Application No. 2001294797 (hide)

Owner HUGHES ELECTRONICS CORPORATION

Inventors DAI, Fa; JACKSON, Thomas; EAPEN, George

Pub. Number AU-A-2001294797

PCT Pub. Number WO2002/103912

Priority 09/883,539 18.06.01 US

Filing date 27 September 2001

Wipo publication date 2 January 2003

International Classifications

H03L 007/197 Automatic control of frequency or phase

H04L 027/36 Modulated-carrier systems

H04L 027/20 Modulated-carrier systems - Modulator circuits

Event Publications

15 May 2003 Application Open to Public Inspection

  Published as AU-A-2001294797

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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