Title:
A SYSTEM OF FM DATA BROADCASTING AND A METHOD OF PROCESSING DATA SIGNALS THEREOF
Document Type and Number:
WIPO Patent Application WO/1997/015128
Kind Code:
A1
Abstract:
A FM data broadcasting system comprising a transmitting section and a receiving section, input terminals, a stereo encoder and out terminals, the system is characterized in that the transmitting section further comprises a data transmitting unit, the first converting switch, the second converting switch, a mode controlling terminal; the receiving section further comprises a data receiving unit, a band-pass filter, a pilot identifier, the third converting switch, the system is compatible with the conventional FM broadcasting system and is effective to transmit data without any effectiveness on the reception of audio signals.
Inventors:
WANG YALUN (CN)
Application Number:
PCT/CN1996/000089
Publication Date:
April 24, 1997
Filing Date:
October 16, 1996
Export Citation:
Assignee:
WANG YALUN (CN)
International Classes:
H04H20/00; H04H20/28; H04H20/34; H04H20/47; H04H20/48; H04H20/88; H04H40/81; H04L5/00; (IPC1-7): H04H5/00
Foreign References:
| US5119503A | 1992-06-02 | |||
| US5222143A | 1993-06-22 | |||
| US5038402A | 1991-08-06 |
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