Patents by Inventor Massimo Di Pietro

Massimo Di Pietro has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4358982
    Abstract: A tone generator for electronic musical instruments, useful in particular for the modular composition of an electronic organ, comprising a plurality of inputs corresponding to a keyboard octave of the musical instrument. The inputs are connected to a plurality of groups of analog modulators which receive, respectively, tone signals produced by a tone generator and submultiples thereof produced by a plurality of toggles according to the number of footages desired on the output of the groups of modulators. The tone generator includes an audio frequency modulator having a high modulation index with full modulation depth remaining substantially constant over the whole supply voltage range.
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: November 16, 1982
    Assignee: Texas Instruments Incorporated
    Inventor: Massimo Di Pietro