FM MULTIPLEXED INFORMATION RECEIVER, INFORMATION TRANSMISSION AND RECEPTION SYSTEM AND INFORMATION RECEIVER

摘要

PROBLEM TO BE SOLVED: To use a message of routine sentence having extensibility and high degree of freedom without increasing transmission capacity by automatically storing definition concerning the routine sentence of message information. SOLUTION: A multiplexed information receiving part 20 is provided with an L-MSK demodulator 21 connected with an FM demodulator 13 and separating multiplexed information multiplexed to an FM radio wave by digital demodulation varying the level of a multiplexing signal by 4 to 10% to the demodulation degree of the L and R signals of an FM stereo signal. In addition, the part 20 is provided with an error correction decoder 22 giving error correction processing to separated multiplexed information and a control part 23 executing various kinds of processing to separated multiplexed information. The control part 23 consists of CPU, etc., and makes a display part 26 display multiplexed information including message data added to a received calling number through the L-MSK demodulator 21 and the error correction decoder 22.