Patents by Inventor John Zola

John Zola 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).

  • Transducer comprising composite electrical materials
    Patent number: 4572981
    Abstract: A simplified method for fabricating composite transducers by bonding together plates of active and passive materials to form a laminated block. The active material is preferably a piezoelectric ceramic. Thereafter, a series of cuts are made in the laminated block to obtain a composite plate wherein regions of active material are separated from one another by regions of passive material. The method provides composite transducers having fine structures which can be produced without the difficulty of assembling many small rods or sawing deep, narrow grooves.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: February 25, 1986
    Assignee: North American Philips Corporation
    Inventor: John Zola
  • Method for fabricating composite transducers
    Patent number: 4514247
    Abstract: A simplified method for fabricating composite transducers by bonding together plates of active and passive materials to form a laminated block. The active material is preferably a piezoelectric ceramic. Thereafter, a series of cuts are made in the laminated block to obtain a composite plate wherein regions of active material are separated from one another by regions of passive material. The method provides composite transducers having fine structures which can be produced without the difficulty of assembling many small rods or sawing deep, narrow grooves.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: April 30, 1985
    Assignee: North American Philips Corporation
    Inventor: John Zola