Patents by Inventor John-Paul Pizana Cana

John-Paul Pizana Cana 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).

  • Wireless network entertainment and information device
    Publication number: 20040250276
    Abstract: A mobile entertainment and informational system includes cellular interconnectivity capability, a user interface for identifying music or video selections which can then be acquired through existing cellular networks. A CD/DVD player can be provided, along with a USB port for connection to a personal computer, for example to download selections therefrom. The unit can operate as a cellular telephone, a PDA (personal digital assistant), web browser, and music and video player.
    Type: Application
    Filed: March 18, 2004
    Publication date: December 9, 2004
    Applicant: Flextronics International USA, Inc.
    Inventors: John-Paul Pizana Cana, Nicholas Earle Brathwaite, Patrick Louis Meagher
  • Audio frequency recovery—DC restorer circuit for cordless phone applications
    Patent number: 6249552
    Abstract: An audio frequency recovery—DC restorer circuit after demodulation that includes an operational amplifier, a diode, a capacitor and resistor circuitry arranged to supply a reference voltage signal Vref to the operational amplifier. The operational amplifier is also coupled with a demodulated audio frequency baseband signal via the capacitor. The demodulated audio frequency baseband signal is in a filtered condition free of high frequency noise that may otherwise affect quality and having an average voltage Vavg at a level.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: June 19, 2001
    Assignee: Nortel Networks Limited
    Inventors: John-Paul Pizaña Caña, Michael Todd Smiley