2K001
|
Variable absorption of light and electrochromic display elements
|
2K002
|
LIGHT DEFLECTION; LIGHT DEMODULATION; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS
|
2K003
|
(Not Translated)
|
2K004
|
Microreaders
|
2K005
|
ADJUSTMENT OF CAMERA LENSES
|
2K006
|
Mixing and branching waveguides
|
2K007
|
Photo printing equipment in general
|
2K008
|
Holo graphy
|
2K009
|
SURFACE TREATMENT OF OPTICAL ELEMENTS
|
2K010
|
Optical elements and lens
|
2K011
|
Liquid crystal materials
|
2K101
|
ELECTROCHROMIC ELEMENTS, ELECTROPHORESIS, OR VARIABLE REFLECTION OR ABSORPTION ELEMENTS
|
2K102
|
OPTICAL MODULATION, OPTICAL DEFLECTION, NONLINEAR OPTICS, OPTICAL DEMODULATION, OPTICAL LOGIC ELEMENTS
|
2K103
|
Projection apparatus
|
2K203
|
PROJECTION APPARATUS
|