Patents by Inventor Angel Hermosilla-Ortega

Angel Hermosilla-Ortega 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).

  • Maintenance terminal of a validation and identification unit
    Patent number: 5241581
    Abstract: Maintenance terminal of a validation and identification unit defined as a tool designed to accomplish two functions allowing the local initialization of the validation and identification unit or of the adaptation unit of public modular telephones, so being not necessary for the operation system of modular telephones to call these, allowing extensive diagnosis and failure identification, also in a local mode, whenever the central processing unit be operative through the use of an interactive man-machine language.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: August 31, 1993
    Assignee: Telefonica de Espana S.A.
    Inventors: Angel Hermosilla-Ortega, Juan J. Prieto-Renieblas