IPC Definitions - January 01, 2012
G02F 2/00 - Definition
References relevant to classification in this main group
This main group does not cover:
Control of the emitted radiation in laser devices | H01S 3/10, H01S 5/06 |
Attention is drawn to the following places, which may be of interest for search:
Measuring characteristics of light, e.g. intensity, spectrum | G01J |
Photoelectric discharge tubes | H01J 40/00 |
Semiconductor devices sensitive to light, e.g. photodetectors | H01L 31/00 |
Demodulation of electromagnetic waves, or transferring modulation of electromagnetic waves from one carrier to another | H03D 9/00 |