Patents by Inventor Juan Carlos Llamas Contreras

Juan Carlos Llamas Contreras 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).

  • Method and apparatus for caller identification during call waiting
    Publication number: 20020077089
    Abstract: A called party is engaged in a first communication with a third party. A calling party then makes a call to the called party while the first communication is ongoing and a call waiting indication is provided to the calling party. Responsive thereto, an identifying signal is selected by the calling party and sent to the called party to announce that the calling party is waiting. The identifying signal may be a tone, sound, or voice message. The called party may respond to the identifying signal by taking the call, dropping the call, or diverting the calling party to an alternative destination, such as voice mail or some call forwarding destination.
    Type: Application
    Filed: December 15, 2000
    Publication date: June 20, 2002
    Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (publ)
    Inventor: Juan Carlos Llamas Contreras