Patents by Inventor Jose Luis Pena Sedano

Jose Luis Pena Sedano 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).

  • Transmitting-receiving circuit
    Patent number: 5778025
    Abstract: A transmitting receiving circuit having two different blocks, one for transmitting, and one for receiving, the transmitting block relying on an inverter and a differential transmitter, while the receiving block has a differential receiver, four optocouplers, two inverters, a voltage regulator and two resistors, the galvanic discoupling being carried out between the parts corresponding to the transmission and reception by telefeeding the differential receiver from the board where the signal is transmitted, the optocouplers separating the receiving block parts fed from the board where the transmitting-receiving circuit is installed, from the parts fed from the module transmitting the signal, the output thereof being optically disconnected from the distant end.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: July 7, 1998
    Assignee: Telefonica De Espana, S.A.
    Inventors: Jose Luis Pena Sedano, Jesus Pena Melian