IPC Main Group
G08C 19/00 Electric signal transmission systems
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- SIGNALLING
- Subclass:
- TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
6 direct subcodes
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