Patents by Inventor Sheng Hung Wang

Sheng Hung Wang 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).

  • Dual UART device with a reduced package pin number
    Patent number: 5825815
    Abstract: A circuit arrangement between an input/output (I/O) integrated circuit (IC) and an I/O coupler IC includes a first universal asynchronous receiver-transmitter (UART) and a second UART provided within the I/O IC, each of the UART having a plurality of output serial terminals and input serial terminals, a first pulse position modulation (PPM) circuit connected to the parallel output terminals of the first UART and the second UART and having an output pin, a first pulse position demodulation (PPDM) circuit connected to the parallel input terminals of the first UART and the second UART and having two input pins, a second PPDM circuit provided within the I/O coupler IC and connected to the output pin of the first PPM circuit with two sets of output terminals, a second PPM circuit provided within the I/O coupler IC and connected to the input pins of the first PPDM circuit with two sets of input terminals, two voltage converters each respectively connected with a set of input terminals of the second PPM circuit and
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: October 20, 1998
    Assignee: Winbond Electronics Corp.
    Inventors: Hsi-jung Tsai, Sheng-hung Wang