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Radio reception system for general purpose computer

  • US 5,790,958 A
  • Filed: 10/16/1995
  • Issued: 08/04/1998
  • Est. Priority Date: 10/16/1995
  • Status: Expired due to Term
First Claim
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1. A radio reception system that imparts at least FM stereo functionality to a general purpose computer, the general purpose computer including a processor, a display monitor and a set of audio speakers, the system comprising:

  • a card that attaches to and communicates with the general purpose computer, the card including FM receiver circuitry that receives a broadcast FM signal and extracts a stereo audio signal therefrom, the card further including an audio port that is coupled to the FM receiver circuitry, the audio port providing access to the audio signal to allow the audio signal to be routed to and played on the audio speakers, the card further including an analog-to-digital (A/D) converter coupled to an output of the FM receiver circuitry, the A/D converter configured to digitize the audio signal to produce a digital audio signal, the card configured to transfer the digital audio signal to the general purpose computer; and

    application software that runs on the processor of the general purpose computer and communicates with the card to control an operation of the card, the application software implementing a graphical user interface that provides functionality for enabling a user of the general purpose computer to control and monitor the operation of the card using the display monitor, the graphical user interface including tuner controls that allow the user to interactively control the FM receiver to tune into and listen to selected FM radio stations.

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