RDS audio receiver having interrupt mode

Details RDS audio receiver having interrupt mode RDS audio receiver having interrupt mode

1993-12-14

1996-08-20

Faile, Andrew I.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

4551613, 4551662, 4551841, 4551861, H04B 1702

Patent

active

055488285

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.

REFERENCES:
patent: 4969209 (1990-11-01), Schwob
patent: 5152011 (1992-09-01), Schwob
patent: 5191423 (1993-03-01), Yoshida
patent: 5239681 (1993-08-01), Parnell et al.
patent: 5239700 (1993-08-01), Guenther et al.
patent: 5276909 (1994-01-01), Milner et al.
patent: 5345606 (1994-06-01), Duckeck et al.
R.D.S. Radio Data System, Jul., 1989, European broadcasting union, Supplement 3 to Tech. 3244-E.

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