Patents by Inventor Ross Alan Lemons

Ross Alan Lemons 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).

  • Acoustic wave devices
    Patent number: 4117424
    Abstract: A crystalline body having two or more domains interfacing at respective domain walls is utilized as an acoustic wave device. Input and output transducers and, in some embodiments, acoustic wave reflectors, are disposed on the crystalline body such that the delay experienced, or the path followed, by acoustic waves propagating between the input and output transducers is varied by varying the positions of the domain walls. This, in turn, is accomplished by way of control signals applied across the crystalline body.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: September 26, 1978
    Assignee: Bell Telephone Laboratories, Incorporated
    Inventors: Larry Allen Coldren, Alastair Malcolm Glass, Ross Alan Lemons