Radio receiver
First Claim
Patent Images
1. A method comprising:
- identifying, at a radio receiver, a set of stations that broadcast a program using different frequencies or different transmission protocols at substantially the same time;
estimating broadcast signal strength of broadcast signals of a plurality of the stations in the set of stations based on longitude and latitude coordinates of the radio receiver and information about signal strength contours of the stations; and
tuning the radio receiver to one of the plurality of stations in the set of stations based on the evaluation.
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Abstract
Operating a radio receiver can include identifying a set of stations that broadcast a radio program using different frequencies or different transmission protocols at substantially the same time. Broadcast signal strength, or some other signal quality metric, of broadcast signals from the stations can be evaluated, and the radio receiver can be tuned to one of the stations in the set of stations based on the evaluation.
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Citations
20 Claims
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1. A method comprising:
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identifying, at a radio receiver, a set of stations that broadcast a program using different frequencies or different transmission protocols at substantially the same time; estimating broadcast signal strength of broadcast signals of a plurality of the stations in the set of stations based on longitude and latitude coordinates of the radio receiver and information about signal strength contours of the stations; and tuning the radio receiver to one of the plurality of stations in the set of stations based on the evaluation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
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retrieving information about pre-selected radio stations; for each of the pre-selected stations, identifying, at a radio receiver, one or more stations that are associated with the pre-selected radio station, wherein the one or more stations broadcast a program that is broadcasting on the pre-selected radio station using different frequencies or different transmission protocols; estimating broadcast signal strength of the one or more stations using broadcast signal strength contour values of the one or more stations; tuning the radio receiver to one of the one or more stations associated with one of the pre-selected radio stations based on an evaluation of signals from the one or more stations associated with the one of the pre-selected radio stations; displaying a map on a user interface; and showing the one or more radio stations associated with the pre-selected radio stations on the map. - View Dependent Claims (10)
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11. An apparatus comprising:
a radio receiver, comprising; a first tuner; a second tuner; a signal evaluator to evaluate signals from the first and second tuners based on at least one metric; a data processor to control the first and second tuners to tune to two stations that broadcast a program on different frequencies at substantially the same time, and select one of the first and second tuners based on evaluation data provided by the signal evaluator; and a memory buffer that stores data representing signals from the first and second tuners, wherein the data processor synchronizes the signals from the first and second tuners using the memory buffer. - View Dependent Claims (12, 13, 14, 15)
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16. An apparatus comprising:
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a tuner; and a data processor to identify a set of stations that broadcast a radio program on different frequencies at substantially the same time, and control the tuner to tune to one of the stations based on an evaluation of signals from a plurality of the stations in the set of stations, wherein the data processor evaluates the signals by estimating broadcast signal strength of the signals based on longitude and latitude coordinates of the radio receiver and information about broadcast signal strength contours of the stations. - View Dependent Claims (17, 18, 19)
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20. A method comprising:
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identifying, at a radio receiver, a set of stations that broadcast a program using different frequencies or different transmission protocols at substantially the same time; evaluating broadcast signals of a plurality of the stations in the set of stations based on at least one metric; tuning the radio receiver to one of the stations in the set of stations based on the evaluation; upon powering down the radio receiver, storing information about a radio program that was played prior to powering down; upon powering up the radio receiver subsequent to the powering down, retrieving stored information about the radio program; identifying a second set of stations based on the retrieved information, the second set of stations broadcasting a program using different frequencies or different transmission protocols; and tuning the radio receiver to one of a plurality of stations in the second set of stations based on an evaluation of the plurality of stations.
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Specification