RDS audio receiver having interrupt mode
First Claim
1. An RDS receiver, comprising:
- means for storing a desired category item;
means for receiving broadcast transmission signals each having a program and a category;
controller means for tuning said means for receiving to receive a first one of said broadcast transmission signals after receiving a second one of said broadcast transmission signals when a category item of said second one of said broadcast transmission signals matches said stored desired category item;
said controller means including means for activating an interrupt mode of said controller means;
means for deactivating said interrupt mode when a category of said first one of said broadcast transmission signals changes;
said controller means including means for confirming a receivability of said second one of said broadcast transmission signals after a category of said first one of said broadcast transmission signals changes; and
said controller means including means for subsequently tuning said means for receiving to receive said second one of said broadcast transmission signals when said receivability is confirmed.
1 Assignment
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Accused Products
Abstract
A Radio Data Systems (RDS) receiver has a decoder circuit to read RDS data from a broadcast transmission signal. From the RDS data, a control circuit determines a program of the received signal, a program category of the received signal, lists of programs and program categories of other stations, and a regional digit. The receiver has a controller to store a desired program category. The RDS data is used to control the receiver to perform several different functions. The receiver will interrupt reception of a signal, the category of which is different from a desired category and receive a signal that matches the desired category. The receiver will revert to a previous program when the category of the signal to which it switched no longer matches the desired category. The receiver will revert to the strongest signal having one of a specified set of regional digits. The receiver also permits the storage of a desired category using only an RDS key and at least one other key.
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Citations
10 Claims
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1. An RDS receiver, comprising:
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means for storing a desired category item; means for receiving broadcast transmission signals each having a program and a category; controller means for tuning said means for receiving to receive a first one of said broadcast transmission signals after receiving a second one of said broadcast transmission signals when a category item of said second one of said broadcast transmission signals matches said stored desired category item; said controller means including means for activating an interrupt mode of said controller means; means for deactivating said interrupt mode when a category of said first one of said broadcast transmission signals changes; said controller means including means for confirming a receivability of said second one of said broadcast transmission signals after a category of said first one of said broadcast transmission signals changes; and said controller means including means for subsequently tuning said means for receiving to receive said second one of said broadcast transmission signals when said receivability is confirmed. - View Dependent Claims (2, 3, 4, 5)
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6. A method for controlling a receiver, comprising the steps of:
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storing a desired category item; receiving a first broadcast transmission signal, said first broadcast transmission signal having a program; storing said first broadcast transmission signal program; receiving a second broadcast transmission signal having a category matching said stored desired category item; monitoring said second broadcast transmission signal category; continuing said receiving of said second broadcast transmission signal while said first broadcast transmission signal category matches said stored desired category item; confirming a receivability of said first broadcast transmission signal when said first broadcast transmission signal category is different from said desired category item; receiving said first broadcast transmission signal when said receivability is confirmed; and receiving an alternative broadcast transmission signal when said first broadcast transmission signal when said receivability is unconfirmed. - View Dependent Claims (7, 8, 9, 10)
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Specification