Radio broadcasting system with transmitter identification
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 1981
Grant Date -
N/A
app pub date -
Feb 17, 1978
filing date -
Feb 25, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
FM radio broadcasting system with transmitter identification by means of a transmitted subcarrier whose frequency is a harmonic of subharmonic of the stereo pilot and which is binary phase modulated with transmitter identification signals. In the transmitter the subcarrier is locked to the stereo pilot and the unmodulated wave, which is required for detection of the transmitter identification signal, is derived in the receiver from the received stereo pilot.
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Family
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Cited Art Landscape
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