IPC Subgroup
G02B 26/04 by periodically varying the intensity of light, e.g. using choppers
Introduced: January 1985
Last revised: January 2006
Full Title
Optical devices or arrangements for the control of light using movable or deformable optical elements > for controlling the intensity of light > by periodically varying the intensity of light, e.g. using choppers
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS