RBDS scan, identify and select receiving method and system

Details RBDS scan, identify and select receiving method and system RBDS scan, identify and select receiving method and system

1994-01-13

1995-10-10

Urban, Edward F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

4551841, 4551581, 455133, H04B 1702

Patent

active

054578159

ABSTRACT:
An RBDS compatible receiving method and system are provided. A broadcast receiver is tuned to a selected broadcast frequency. A first of two RBDS receivers operates in a locked mode to receive RBDS data associated with the selected broadcast frequency. Simultaneously, the second of the two RBDS receivers operates in a scanning mode to scan RBDS data associated with all broadcast frequencies. Match criteria corresponding with one or more categorical portions of RBDS data is compared with the RBDS signal associated with each broadcast frequency scanned by the RBDS receiver operating in the scanning mode. Each time a match occurs, the broadcast receiver can optionally be switched from the selected frequency to the broadcast frequency on which the match occurred while the first and second RBDS receivers switch operating modes.

REFERENCES:
patent: 4887308 (1989-12-01), Dutton
patent: 5249303 (1993-09-01), Goeken
patent: 5303400 (1994-04-01), Mogi

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