IPC Definitions - January 01, 2012

G02F 1/00 - Definition fr

References relevant to classification in this main group

This main group does not cover:

Examples of places where the subject matter of this class is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Indicating arrangements in which characters are formed on a support by combining individual liquid crystal elements

G09F 9/35

Control of light sources

H01S 3/10, H01S 5/06, H05B 33/08, H05B 35/00-H05B 43/00

Informative references

Attention is drawn to the following places, which may be of interest for search:

Thermometers using change of colour or translucency

G01K 11/12

Thermometers using changes in fluorescence

G01K 11/32

Light guide devices

G02B 6/00

Optical devices or arrangements using movable or deformable elements for controlling light independent of the light source

G02B 26/00

Control of light in general

G05D 25/00

Visible signalling systems

G08B 5/00

Control arrangements of circuits for display devices other than cathode-ray tube type, e.g. control circuits for LCD's or electrochromic displays

G09G 3/00