G02B

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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ( G02F takes precedence; optical elements specially adapted for use in lighting devices or systems thereof F21V 1/00-F21V 13/00; measuring-instruments, see the relevant subclass of class G01, e.g. optical rangefinders G01C; testing of optical elements, systems, or apparatus G01M 11/00; spectacles G02C; apparatus or arrangements for taking photographs or for projecting or viewing them G03B; sound lenses G10K 11/30; electron and ion "optics" H01J; X-ray "optics" H01J, H05G 1/00; optical elements structurally combined with electric discharge tubes H01J 5/16, H01J 29/89, H01J 37/22; microwave "optics" H01Q; combination of optical elements with television receivers H04N 5/72; optical systems or arrangements in colour television systems H04N 9/00; heating arrangements specially adapted for transparent or reflecting areas H05B 3/84)

Subclasses

SubclassTitle
1/00 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements
1/02 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements made of crystals, e.g. rock-salt, semiconductors (G02B 1/08 takes precedence)
1/04 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements made of organic materials, e.g. plastics (G02B 1/08 takes precedence)
1/06 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements made of fluids in transparent cells
1/08 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements made of polarising materials
1/10 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements Optical coatings produced by application to, or surface treatment of, optical elements (G02B 1/08 takes precedence)
1/11 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements Optical coatings produced by application to, or surface treatment of, optical elements (G02B 1/08 takes precedence) Anti-reflection coatings
1/12 Optical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements Optical coatings produced by application to, or surface treatment of, optical elements (G02B 1/08 takes precedence) by surface treatment, e.g. by irradiation
3/00 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00)
3/02 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00) with non-spherical faces (G02B 3/1 takes precedence)
3/04 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00) with non-spherical faces (G02B 3/1 takes precedence) with continuous faces that are rotationally symmetrical but deviate from a true sphere
3/06 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00) with non-spherical faces (G02B 3/1 takes precedence) with cylindrical or toric faces
3/08 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00) with non-spherical faces (G02B 3/1 takes precedence) with discontinuous faces, e.g. Fresnel lens
3/10 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00) Bifocal lenses; Multifocal lenses
3/12 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00) Fluid-filled or evacuated lenses
3/14 Simple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00) Fluid-filled or evacuated lenses of variable focal length
5/00 Optical elements other than lenses (light guides G02B 6/00; optical logic elements G02F 3/00)
5/02 Optical elements other than lenses (light guides G02B 6/00; optical logic elements G02F 3/00) Diffusing elements; Afocal elements
5/04 Optical elements other than lenses (light guides G02B 6/00; optical logic elements G02F 3/00) Prisms
5/06 Optical elements other than lenses (light guides G02B 6/00; optical logic elements G02F 3/00) Prisms Fluid-filled or evacuated prisms

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