Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1994-03-07
1995-04-04
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455 45, 4551612, 4551521, H04B 116
Patent
active
054045886
ABSTRACT:
In a radio receiver having a device for decoding radio data signals, which are divided into groups each with a predetermined number of bits and contain a program identification code, and having a device for switchover for switchover from a received frequency to an alternative frequency, by briefly switching over to the alternative frequency, a plurality of data samples are taken from various groups and at various times within the groups of the radio data signal that is received at the alternative frequency. The data samples are compared with a program identification code stored in memory.
REFERENCES:
patent: 5222254 (1993-06-01), Verron et al.
Derwent WPI English-language abstract of DE-OS 38 32 455, KASA.
Patent Abstracts of Japan, vol. 13, No. 270 (E-776), 21 Jun. '89, abstracting Sasaki/Fujitsu JP-A-10 60 115 of 7 Mar. 1989, entitled "RDS Radio Receiver."
Patent Abstracts of Japan, vol. 13, No. 433 (E-823), 27 Sep. '89, abstracting RYU/Pioneer JP-A-11 60 223 of 23 Jun. 1989, entitled "Method for Checking Receiving Signal Level in RDS Receiver."
Eisenzopf Reinhard J.
Funke Justus
Henze Werner
Oliver Milton
Pham Chi H.
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