Electric signal transmission systems

Classification Context

Section:

PHYSICS

Class:

SIGNALLING

Subclass:

TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS

Child Classifications

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• G08C 19/02 in which the signal transmitted is magnitude of current or voltage
• G08C 19/12 in which the signal transmitted is frequency or phase of AC
• G08C 19/16 in which transmission is by pulses
• G08C 19/3 in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels
• G08C 19/36 using optical means to convert the input signal
• G08C 19/38 using dynamo-electric devices