Patents by Inventor Josef Eberl

Josef Eberl 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).

  • Methods and apparatus for vibrato effects in keyboard percussion musical instruments
    Patent number: 8076561
    Abstract: Improved methods and apparatus of producing vibrato on keyboard percussion/tone bar instruments such as the vibraphone and marimba are provided. Means are disclosed for real time control of the expressive qualities of both the speed and strength of the vibrato of such instruments, while eliminating the need for an electrical motor. According to certain embodiments, methods and apparatus are disclosed to easily produce a change of dynamic level (crescendo and diminuendo) after a single strike of a tone bar or chord.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: December 13, 2011
    Inventors: Leigh Howard Stevens, Josef Eberl, Roger Clerc
  • Methods and apparatus for vibrato effects in keyboard percussion musical instruments
    Patent number: 7732691
    Abstract: Improved methods and apparatus of producing vibrato on keyboard percussion/tone bar instruments such as the vibraphone and marimba are provided. Means are disclosed for real time control of the expressive qualities of both the speed and strength of the vibrato of such instruments, while eliminating the need for an electrical motor. According to certain embodiments, methods and apparatus are disclosed to easily produce a change of dynamic level (crescendo and diminuendo) after a single strike of a tone bar or chord.
    Type: Grant
    Filed: June 25, 2007
    Date of Patent: June 8, 2010
    Inventors: Leigh H. Stevens, Josef Eberl, Roger Clerc
  • METHODS AND APPARATUS FOR VIBRATO EFFECTS IN KEYBOARD PERCUSSION MUSICAL INSTRUMENTS
    Publication number: 20100116120
    Abstract: Improved methods and apparatus of producing vibrato on keyboard percussion/tone bar instruments such as the vibraphone and marimba are provided. Means are disclosed for real time control of the expressive qualities of both the speed and strength of the vibrato of such instruments, while eliminating the need for an electrical motor. According to certain embodiments, methods and apparatus are disclosed to easily produce a change of dynamic level (crescendo and diminuendo) after a single strike of a tone bar or chord.
    Type: Application
    Filed: January 14, 2010
    Publication date: May 13, 2010
    Inventors: Leigh H. Stevens, Josef Eberl, Roger Clerc
  • METHODS AND APPARATUS FOR VIBRATO EFFECTS IN KEYBOARD PERCUSSION MUSICAL INSTRUMENTS
    Publication number: 20080314227
    Abstract: Improved methods and apparatus of producing vibrato on keyboard percussion/tone bar instruments such as the vibraphone and marimba are provided. Means are disclosed for real time control of the expressive qualities of both the speed and strength of the vibrato of such instruments, while eliminating the need for an electrical motor. According to certain embodiments, methods and apparatus are disclosed to easily produce a change of dynamic level (crescendo and diminuendo) after a single strike of a tone bar or chord.
    Type: Application
    Filed: June 25, 2007
    Publication date: December 25, 2008
    Inventors: Leigh H. Stevens, Josef Eberl, Roger Clerc