Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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H04L27/10
Frequency-modulated carrier systems, i.e. using frequency-shift keying
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H04L27/14
Demodulator circuits; Receiver circuits
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H04L27/156
with demodulation using temporal properties of the received signal, e.g. detecting pulse width
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H04L27/1563
using transition or level detection
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