Patents by Inventor Euguene J. Czerwinski

Euguene J. Czerwinski 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).

  • Loudspeaker and horn with an additional transducer
    Patent number: 6343134
    Abstract: A loudspeaker includes a compresion chamber, a first electroacoustic transducer and a horn. The first electroacoustic transducer is disposed inside the compression chamber. The horn is mechanically and acoustically coupled to the first electroacoustic transducer. The loudspeaker also includes a second electroacoustic transducer. The second electroacoustic transducer is disposed outside the compression chamber. The second electroacoustic transducer is mechanically and acoustically coupled to the horn.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: January 29, 2002
    Inventor: Euguene J. Czerwinski