Apparatus and method for signal level control
First Claim
1. A signal tuning apparatus comprising:
- a signal splitter for splitting signal power of a signal between an input and at least two outputs;
a controller coupled to at least one output of said at least two outputs; and
a circuit controlled by said controller and selectively coupled to said signal splitter, said circuit for altering a signal transfer response characteristic of said signal, wherein said signal transfer response characteristic of said signal is frequency response.
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Accused Products
Abstract
A set top box is described including multiple tuners and an apparatus and method for controlling signal level. The apparatus includes a signal splitter for splitting signal power of a signal between an input and at least two outputs, a controller coupled to an output, and a circuit controlled by the controller and selectively coupled to the signal splitter for altering a signal transfer response characteristic of the signal. The method describes controlling the signal level of signals outputted by a signal splitter including determining a signal quality characteristic of one of the output signals and altering a signal response in the signal splitter in response to comparing the signal quality characteristic to a predetermined signal quality characteristic threshold.
8 Citations
18 Claims
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1. A signal tuning apparatus comprising:
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a signal splitter for splitting signal power of a signal between an input and at least two outputs; a controller coupled to at least one output of said at least two outputs; and a circuit controlled by said controller and selectively coupled to said signal splitter, said circuit for altering a signal transfer response characteristic of said signal, wherein said signal transfer response characteristic of said signal is frequency response. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for changing signal transfer characteristics using output signals of a signal splitter comprising the steps of:
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determining a first signal quality characteristic of a first output signal; altering a signal response in said signal splitter; determining a second signal quality characteristic of said first output signal in response to altering said signal response; and comparing said first signal quality characteristic to said second signal quality characteristic and to a predetermined signal quality characteristic threshold.
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14. An apparatus comprising of:
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means for determining a signal quality characteristic of a signal; and means for altering a signal transfer response in a signal splitter in response to comparing said signal quality characteristic to a predetermined signal quality characteristic threshold, wherein said signal transfer response in said signal splitter is frequency response.
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15. A method for controlling the signal level of signals outputted by a signal power splitter, comprising the steps of:
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determining a first signal quality characteristic of a first output signal; and altering a signal transfer response in said signal power splitter in response to comparing said first signal quality characteristic to a predetermined signal quality characteristic threshold, wherein said signal transfer response in said signal power splitter is frequency response. - View Dependent Claims (16, 17, 18)
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Specification