IPC Subgroup
F21V 14/08 by movement of screens
Introduced: January 2000
Last revised: January 2006
Full Title
Controlling the distribution of the light emitted by adjustment of elements > by movement of screens
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR