Backwards compatible real-time program guide capac

专利名称：Backwards compatible real-time program

guide capacity increase

发明人：Lawrence N. Chapman,Stephen P.

Dulac,Robert G. Arsenault

申请号：US09726367申请日：20001129

公开号：US20020066102A1公开日：20020530

专利附图：

摘要：A system and method for transmitting program guide information describing asecond 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 asecond signal having a second set of programs. The method comprises the steps ofbroadcasting first program guide information describing the first set of programs to thesubscribers on a first service channel on a first signal and broadcasting second programguide information describing the second set of programs to a subset of the subscriberson the first service channel on a second signal, wherein a fundamental signal

characteristic of the second signal differs from the fundamental signal characteristic ofthe first signal. In another embodiment, the method comprises the steps of receiving firstprogram guide information describing the first set of programs on a first service channelon a first signal; and receiving second program guide information describing the secondset of programs on the first service channel on a second signal, wherein a fundamentalsignal characteristic of the second signal differs from the fundamental signalcharacteristic of the first signal.

申请人：CHAPMAN LAWRENCE N.,DULAC STEPHEN P.,ARSENAULT ROBERT G.

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