Invention Grant
US08774416B2 Receiver 有权
接收器

  • Patent Title: Receiver
  • Patent Title (中): 接收器
  • Application No.: US10535060
    Application Date: 2003-10-27
  • Publication No.: US08774416B2
    Publication Date: 2014-07-08
  • Inventor: Rafael Jan Jozef Meeusen
  • Applicant: Rafael Jan Jozef Meeusen
  • Applicant Address: NL Eindhoven
  • Assignee: NXP, B.V.
  • Current Assignee: NXP, B.V.
  • Current Assignee Address: NL Eindhoven
  • Priority: EP02079809 20021119
  • International Application: PCT/IB03/04817 WO 20031027
  • International Announcement: WO2004/047488 WO 20040603
  • Main IPC: H04H20/48
  • IPC: H04H20/48 H04H20/49
Receiver
Abstract:
The invention refers to a method for a receiver (1) having a signal path (3) incorporating a tuner (4), a frequency demodulator circuit (5) for supplying an analog stereo multiplex signal comprising a baseband stereo sum signal, a 19 kHz stereo pilot and a stereo difference signal, which is double sideband amplitude-modulated on a suppressed 38 kHz subcarrier, a sampler (6) for converting the analog stereo multiplex signal into a time discrete digital stereo multiplex signal and a stereo decoder (7) for decoding the time discrete digital stereo multiplex signal into a time-discrete digital stereo sum and a time discrete digital stereo difference signal. According to the invention the analog stereo multiplex signal is converted into a time discrete digital stereo multiplex signal and then the time discrete digital stereo multiplex signal is shifted over a frequency of 19 kHz to extract the pilot tone.
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