Patents by Inventor Glenn Stier

Glenn Stier 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).

  • Level control system for automatic accompaniment playback
    Patent number: 5138926
    Abstract: An electronic musical instrument includes an emphasis circuit for independently modifying the level of each musically encoded data channel of a selected automatic accompaniment pattern in response to a parameter characterizing key operation, such as key velocity or key aftertouch force. Channel level modification is effected by modifying the MIDI velocity data byte of each channel in accordance with a value selected from a respective emphasis table in response to the current value of the key operating parameter.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: August 18, 1992
    Assignee: Roland Corporation
    Inventors: Glenn Stier, Thomas E. Hill, B. Loch Miwa, Alberto Kniepkamp