Patents by Inventor Lawrence N. Chapman

Lawrence N. Chapman 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).

  • Backwards compatible real-time program guide capacity increase
    Patent number: 8769581
    Abstract: A system and method for transmitting program guide information describing a second set of programs to subscribers is disclosed. In one embodiment, the method is implemented in a network broadcasting a first signal having a first set of programs and a second signal having a second set of programs. The method comprises the steps of broadcasting first program guide information describing the first set of programs to the subscribers on a first service channel on a first signal and broadcasting second program guide information describing the second set of programs to a subset of the subscribers on the first service channel on a second signal, wherein a fundamental signal characteristic of the second signal differs from the fundamental signal characteristic of the first signal.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: July 1, 2014
    Assignee: The DIRECTV Group, Inc.
    Inventors: Lawrence N. Chapman, Stephen P. Dulac, Robert G. Arsenault
  • BACKWARDS COMPATIBLE REAL-TIME PROGRAM GUIDE CAPACITY INCREASE
    Publication number: 20090293087
    Abstract: A system and method for transmitting program guide information describing a second set of programs to subscribers is disclosed. In one embodiment, the method is implemented in a network broadcasting a first signal having a first set of programs and a second signal having a second set of programs. The method comprises the steps of broadcasting first program guide information describing the first set of programs to the subscribers on a first service channel on a first signal and broadcasting second program guide information describing the second set of programs to a subset of the subscribers on the first service channel on a second signal, wherein a fundamental signal characteristic of the second signal differs from the fundamental signal characteristic of the first signal.
    Type: Application
    Filed: July 29, 2009
    Publication date: November 26, 2009
    Applicant: The DIRECTV Group, Inc.
    Inventors: Lawrence N. Chapman, Stephen P. Dulac, Robert G. Arsenault
  • Backwards compatible real-time program guide capacity increase
    Publication number: 20020066102
    Abstract: A system and method for transmitting program guide information describing a second set of programs to subscribers is disclosed. In one embodiment, the method is implemented in a network broadcasting a first signal having a first set of programs and a second signal having a second set of programs. The method comprises the steps of broadcasting first program guide information describing the first set of programs to the subscribers on a first service channel on a first signal and broadcasting second program guide information describing the second set of programs to a subset of the subscribers on the first service channel on a second signal, wherein a fundamental signal characteristic of the second signal differs from the fundamental signal characteristic of the first signal.
    Type: Application
    Filed: November 29, 2000
    Publication date: May 30, 2002
    Inventors: Lawrence N. Chapman, Stephen P. Dulac, Robert G. Arsenault