Patents by Inventor Jonathan How-Lian Ta

Jonathan How-Lian Ta 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 processing call progress of a serial communication device
    Patent number: 6711245
    Abstract: The present invention includes a method and system to provide the capability of a serial based analog modem to play its connection call progress in a digital format, thus eliminating the need for analog to digital conversion at the host. In one aspect of the invention, an exemplary method includes receiving data at the serial communication device, from a serial communication network; identifying the data as call progress audio samples; transmitting the call progress audio samples to the host through the serial interface, the serial interface carrying serial data or call progress audio samples; and playing the call progress audio samples at the audio system of the host. Other methods and apparatuses are also described.
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: March 23, 2004
    Assignee: Apple Computer, Inc.
    Inventors: Olivier Mardinian, Jonathan How-Lian Ta, Jeffrey Wei Huang