Patents by Inventor Pietro Antonio Paolo Cal?

Pietro Antonio Paolo Cal? 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).

  • Digitizer for a digital receiver system
    Patent number: 7579974
    Abstract: A digitizer for a digital receiver system includes an input terminal to receive a modulated analog input voltage signal, and an output terminal to provide an output voltage signal being a digital conversion of the input voltage signal. A comparator circuit has an output coupled to the output terminal and includes an operational amplifier having a first input terminal coupled to the input terminal. A threshold generator circuit is between the input terminal and a second input terminal of the at least one operational amplifier, to provide a tunable voltage reference signal thereto. The threshold generator circuit includes a thresholding circuit to determine a threshold voltage value of the modulated analog input voltage signal, and a tunable voltage reference circuit coupled to the thresholding circuit to generate the tunable voltage reference signal as a function of the threshold voltage value of the modulated analog input voltage signal.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: August 25, 2009
    Assignees: STMicroelectronics SA, STMicroelectronics S.r.l.
    Inventors: Mario Chiricosta, Philippe Sirito-Olivier, Pietro Antonio Paolo Calō