Patents by Inventor John W. Heffner

John W. Heffner 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).

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    Patent number: 10313035
    Abstract: Displaying video on a video display device is disclosed. A first video stream from a first video streaming source is displayed on the display device. A second video stream from a second video streaming source is processed on the display device without displaying the second video stream. Displaying the first video stream is ceased and instead the second video stream is displayed. Supporting operations on a video stream is also disclosed. At least one video chunk is received at a first granularity. A determination is made that an operation is to be performed at a different granularity. At least one video chunk is requested at the different granularity.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: June 4, 2019
    Assignee: Conviva Inc.
    Inventors: Ningning Hu, John W. Heffner, Mei-Hsuan Lu, Aditya Ravikumar Ganjam, Ion Stoica
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    Patent number: 10313734
    Abstract: Displaying video on a video display device is disclosed. A first video stream from a first video streaming source is displayed on the display device. A second video stream from a second video streaming source is processed on the display device without displaying the second video stream. Displaying the first video stream is ceased and instead the second video stream is displayed. Supporting operations on a video stream is also disclosed. At least one video chunk is received at a first granularity. A determination is made that an operation is to be performed at a different granularity. At least one video chunk is requested at the different granularity.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: June 4, 2019
    Assignee: Conviva Inc.
    Inventors: Ningning Hu, John W. Heffner, Mei-Hsuan Lu, Aditya Ravikumar Ganjam, Ion Stoica
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    Patent number: 9204061
    Abstract: Displaying video on a video display device is disclosed. A first video stream from a first video streaming source is displayed on the display device. A second video stream from a second video streaming source is processed on the display device without displaying the second video stream. Displaying the first video stream is ceased and instead the second video stream is displayed. Supporting operations on a video stream is also disclosed. At least one video chunk is received at a first granularity. A determination is made that an operation is to be performed at a different granularity. At least one video chunk is requested at the different granularity.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: December 1, 2015
    Assignee: Conviva Inc.
    Inventors: Ningning Hu, John W. Heffner, Mei-Hsuan Lu, Aditya R. Ganjam, Ion Stoica
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    Patent number: 8402494
    Abstract: Displaying video on a video display device is disclosed. A first video stream from a first video streaming source is displayed on the display device. A second video stream from a second video streaming source is processed on the display device without displaying the second video stream. Displaying the first video stream is ceased and instead the second video stream is displayed. Supporting operations on a video stream is also disclosed. At least one video chunk is received at a first granularity. A determination is made that an operation is to be performed at a different granularity. At least one video chunk is requested at the different granularity.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: March 19, 2013
    Assignee: Conviva Inc.
    Inventors: Ningning Hu, John W. Heffner, Mei-Hsuan Lu, Aditya R. Ganjam, Ion Stoica