发明名称 |
FM multiplex broadcasting and receiving system |
摘要 |
An FM multiplex broadcasting and receiving system has an FM multiplex broadcast apparatus and an FM multiplex receiving apparatus. The FM multiplex broadcast apparatus has a reproducing device for reproducing, from a recording medium, an audio signal and character data associated with the audio signal recorded in the recording medium. The FM multiplex broadcast apparatus also includes a multiplex device and a frequency modulation device. The multiplex device multiplexes the audio signal with additional information such as the character data to generate a multiplex signal. The frequency modulation device frequency modulates a carrier with the multiplex signal to provide an FM multiplex broadcasting signal. The FM multiplexing receiving apparatus has a frequency demodulating device for frequency demodulating the FM multiplex broadcast signal to provide an audio signal and an additional information data signal, a displaying device displaying the additional information data signal.
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申请公布号 |
US5497372(A) |
申请公布日期 |
1996.03.05 |
申请号 |
US19940207558 |
申请日期 |
1994.03.08 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
NANKOH, MITSUO;INOUE, AKIO;YOKOMIZO, HITOSHI;TOMIDA, YOSIKAZU;KAWABATA, TOHRU |
分类号 |
H04B1/16;H04B1/20;H04H20/00;H04H20/28;H04H60/13;(IPC1-7):H04J1/14 |
主分类号 |
H04B1/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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