Patents by Inventor Ernst Zacharias

Ernst Zacharias 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).

  • Mouth organ
    Patent number: 4704938
    Abstract: A mouth organ having suction-excited and pressure-excited reeds which cooperate with slotted plates is provided with a pair one-way of valve defining members formed from sheet material. The first valve member defining includes plural integral flaps which respectively act as individual valves to control air flow over associated suction-excited reeds. The second valve defining member is in the form of a single flap which is loosely disposed to move perpendicularly relative to the slotted plate with which the pressure-excited reeds cooperate.
    Type: Grant
    Filed: December 30, 1986
    Date of Patent: November 10, 1987
    Assignee: Matt H. Hohner AG
    Inventor: Ernst Zacharias
  • Key board system for an electronic musical instrument
    Patent number: 4587877
    Abstract: In a key board system for an electronic musical instrument, input signals for the instrument generated in response to key actuation have an electrical characteristic which varies as a function of the key actuation force. The foregoing results from the deflection of a mass-carrying leaf spring in response to a key stroke, the input signal being generated by a piezoelectric element mounted on the leaf spring and being deformed in response to the deflection thereof.
    Type: Grant
    Filed: November 20, 1984
    Date of Patent: May 13, 1986
    Assignee: Matth Hohner AG
    Inventor: Ernst Zacharias
  • Mouth organ
    Patent number: 4502362
    Abstract: A mouth organ comprising two molded plastic half air slot bodies with integral voice reeds. The half air slot bodies are joined together and are protected externally with respective cover shell halves which are also preferably molded plastic parts.
    Type: Grant
    Filed: September 15, 1983
    Date of Patent: March 5, 1985
    Assignee: Matth. Hohner AG
    Inventor: Ernst Zacharias
  • Stringed instrument with keyboard, of the clavichord type
    Patent number: 4404884
    Abstract: Stringed instruments of the clavichord type, wherein playing key operated tangent cooperate with a fixed stop to both sound and stop associated strings without the noise associated with the tangent impacting the stop. This noise elimination is accomplished by providing that the tangent is offset from the respective stop, such that a free string portion exists between the opposing stop and the tangent.
    Type: Grant
    Filed: March 26, 1981
    Date of Patent: September 20, 1983
    Assignee: Matth. Hohner AG
    Inventor: Ernst Zacharias