Patents by Inventor Ronald A. Sirois

Ronald A. Sirois 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: 4625829
    Abstract: The present invention relates to a grill comprising one or more acoustic shells to be used in combination with conventional acoustic speakers. The speaker grill of the present invention in it simplest form is an acoustic shell which serves to focus the acoustic emissions generated by the speaker. In a preferred embodiment of the present invention the speaker grill is constructed of a series of acoustic shells. The different acoustic shells may focus different portions of the acoustic spectrum. The speaker grill of the present invention has particular use with an automobile speaker. The speaker grill of the present invention can be used in any listening area and has particular application to small environments, environments having spacial restriction, critical listening environments such as recording studios, and environments which utilize sound reinforcement systems.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: December 2, 1986
    Inventor: Ronald A. Sirois