IPC Subgroup
G08C 23/04 using light waves, e.g. infrared
Introduced: January 1995
Last revised: January 2006
Full Title
Non-electric signal transmission systems, e.g. optical systems > using light waves, e.g. infrared
Classification Context
- Section:
- PHYSICS
- Class:
- SIGNALLING
- Subclass:
- TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
1 direct subcode
Child Classifications
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- G08C 23/06 through light guides, e.g. optical fibres