View the '799 patent at the USPTO website

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View Text Version of U.S. Patent No. 5,051,799

The '799 patent describes a transducer system with a housing that contains a transducer (e.g., microphone), an A/D converter, and a transmitter. In this system, the analog output of the transducer is first converted into a digital signal. The digital signal is then transmitted to a remote receiver, and utilized by a digital system.