IPC-Stelle: G02B 5/26 [Version 7 (gültig ab 01.2000)]

SymbolTypTitel
GSKPHYSICS
G02KLOPTICS (making optical elements or apparatus B24B , B29D 11/00 , C03 , or other appropriate subclasses or classes; materials per se, see the relevant places, e.g. C03B , C03C)
G02BUKLOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS (G02F takes precedence; optical elements specially adapted for use in lighting devices or systems thereof F21V 1/00 to 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) [1, 7]
G02B 1/00HGROptical elements characterised by the material of which they are made (compositions of optical glasses C03C 3/00); Optical coatings for optical elements
G02B 1/02UGR1
.made of crystals, e.g. rock-salt, semiconductors (G02B 1/08 takes precedence)
G02B 1/04UGR1
.made of organic materials, e.g. plastics (G02B 1/08 takes precedence)
G02B 1/06UGR1
.made of fluids in transparent cells
G02B 1/08UGR1
.made of polarising materials
G02B 1/10UGR1
.Optical coatings produced by application to, or surface treatment of, optical elements (G02B 1/08 takes precedence)
G02B 1/11UGR2
. .Anti-reflection coatings [6]
G02B 1/12UGR2
. .by surface treatment, e.g. by irradiation
G02B 3/00HGRSimple or compound lenses (artificial eyes A61F 2/14; spectacle lenses or contact lenses for the eyes G02C; watch or clock glasses G04B 39/00)
G02B 3/02UGR1
.with non-spherical faces (G02B 3/10 takes precedence)
G02B 3/04UGR2
. .with continuous faces that are rotationally symmetrical but deviate from a true sphere
G02B 3/06UGR2
. .with cylindrical or toric faces
G02B 3/08UGR2
. .with discontinuous faces, e.g. Fresnel lens
G02B 3/10UGR1
.Bifocal lenses; Multifocal lenses
G02B 3/12UGR1
.Fluid-filled or evacuated lenses
G02B 3/14UGR2
. .of variable focal length
G02B 5/00HGROptical elements other than lenses (light guides G02B 6/00; optical logic elements G02F 3/00) [4]
G02B 5/02UGR1
.Diffusing elements; Afocal elements
G02B 5/04UGR1
.Prisms
G02B 5/06UGR2
. .Fluid-filled or evacuated prisms
G02B 5/08UGR1
.Mirrors
G02B 5/09UGR2
. .Multifaceted or polygonal mirrors [6]
G02B 5/10UGR2
. .with curved faces
G02B 5/12UGR1
.Reflex reflectors
G02B 5/122UGR2
. .cube corner, trihedral or triple reflector type [2]
G02B 5/124UGR3
. . .plural reflecting elements forming part of a unitary plate or sheet [2]
G02B 5/126UGR2
. .including curved refracting surface [2]
G02B 5/128UGR3
. . .transparent spheres being embedded in matrix [2]
G02B 5/13UGR3
. . .plural curved refracting elements forming part of a unitary body [2]
G02B 5/132UGR3
. . .with individual reflector mounting means [2]
G02B 5/134UGR4
. . . .including a threaded mounting member [2]
G02B 5/136UGR2
. .plural reflecting elements forming part of a unitary body (G02B 5/124 takes precedence) [2]
G02B 5/18UGR1
.Diffracting gratings
G02B 5/20UGR1
.Filters (polarising elements G02B 5/30; filters specially adapted for photographic purposes G03B 11/00)
G02B 5/22UGR2
. .Absorbing filters
G02B 5/23UGR3
. . .Photochromic filters [2]
G02B 5/24UGR3
. . .Liquid filters (G02B 5/23 takes precedence) [2]
G02B 5/26UGR2
. .Reflecting filters (G02B 5/28 takes precedence)
G02B 5/28UGR2
. .Interference filters
G02B 5/30UGR1
.Polarising elements (light-modulating devices G02F 1/00)
G02B 5/32UGR1
.Holograms used as optical elements (processes or apparatus for producing holograms G03H) [2]
G02B 6/00HGRLight guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings [4, 6]
G02B 6/02UGR1
.Optical fibre with cladding (G02B 6/16 takes precedence; mechanical structures for providing tensile strength and external protection G02B 6/44) [4]
G02B 6/04UGR1
.formed by bundles of fibres (G02B 6/24 takes precedence) [4]
G02B 6/06UGR2
. .the relative position of the fibres being the same at both ends, e.g. for transporting images [4]
G02B 6/08UGR3
. . .with fibre bundle in form of plate [4]
G02B 6/10UGR1
.of the optical waveguide type (G02B 6/24 takes precedence; devices or arrangements for the control of light by electric, magnetic, electro-magnetic or acoustic means G02F 1/00; transferring the modulation of modulated light G02F 2/00; optical logic elements G02F 3/00; optical analogue/digital converters G02F 7/00; stores using opto-electronic devices G11C 11/42; electric waveguides H01P; transmission of information by optical means H04B 10/00; multiplex systems H04J 14/00) [4]
G02B 6/12UGR2
. .of the integrated circuit kind (production or processing of single crystals C30B; electric integrated circuits H01L 27/00) [4]
G02B 6/122UGR3
. . .Basic optical elements, e.g. light-guiding paths [6]
G02B 6/124UGR4
. . . .Geodesic lenses or integrated gratings [6]
G02B 6/125UGR4
. . . .Bends, branchings or intersections [6]
G02B 6/126UGR3
. . .using polarisation effects [6]
G02B 6/13UGR3
. . .Integrated optical circuits characterised by the manufacturing method [6]
G02B 6/132UGR4
. . . .by deposition of thin films [6]
G02B 6/134UGR4
. . . .by substitution by dopant atoms [6]
G02B 6/136UGR4
. . . .by etching [6]
G02B 6/138UGR4
. . . .by using polymerisation [6]
G02B 6/14UGR2
. .Mode converters [4]
G02B 6/16UGR2
. .Optical fibre with cladding (mechanical structures for providing tensile strength and external protection G02B 6/44) [4]
G02B 6/17UGR3
. . .with polarisation-maintaining properties [6]
G02B 6/18UGR3
. . .with core or cladding having graded refractive index [4]
G02B 6/20UGR3
. . .with non-solid core or cladding [4]
G02B 6/22UGR3
. . .core or cladding comprising multiple layers [4]
G02B 6/24UGR1
.Coupling light guides (for electric waveguides H01P 1/00) [4, 5]
G02B 6/245UGR2
. .Removing protective coverings of light guides before coupling [5]
G02B 6/25UGR2
. .Preparing the ends of light guides for coupling, e.g. cutting [5]
G02B 6/255UGR2
. .Splicing of light guides, e.g. by fusion or bonding [5]
G02B 6/26UGR2
. .Optical coupling means (G02B 6/36 , G02B 6/42 take precedence) [4]
G02B 6/27UGR3
. . .with polarisation selective and adjusting means (polarisation elements in general G02B 5/30; polarisation systems in general G02B 27/28; optical polarisation multiplex systems H04J 14/06) [6]
G02B 6/28UGR3
. . .having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals [4]
G02B 6/287UGR4
. . . .Structuring of light guides to shape optical elements with heat application (G02B 6/255 takes precedence) [6]
G02B 6/293UGR4
. . . .with wavelength selective means (for optical elements in use, see the relevant subgroups of this subclass; optical wavelength-division multiplexing systems H04J 14/02) [6]
G02B 6/30UGR3
. . .for use between fibre and thin-film device [4]
G02B 6/32UGR3
. . .having lens focusing means [4]
G02B 6/34UGR3
. . .utilising prism or grating [4]
G02B 6/35UGR3
. . .having switching means (optical switching in general G02B 26/08; by changing the optical properties of the medium G02F 1/00) [6]
G02B 6/36UGR2
. .Mechanical coupling means (G02B 6/255 , G02B 6/42 take precedence) [4, 5]
G02B 6/38UGR3
. . .having fibre to fibre mating means [4]
G02B 6/40UGR3
. . .having fibre bundle mating means [4]
G02B 6/42UGR2
. .Coupling light guides with opto-electronic elements [4]
G02B 6/43UGR3
. . .Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections (light-emissive or light-sensitive semiconductor devices H01L 27/00 , H01L 31/00 , H01L 33/00; semiconductor lasers monolithically integrated with other components H01S 5/026) [6]
G02B 6/44UGR1
.Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables (cables incorporating electric conductors and optical fibres H01B 11/22) [4]
G02B 6/46UGR1
.Processes or apparatus adapted for installing optical fibres or optical cables (installation of cables containing electric conductors and optical fibres H02G) [6]
G02B 6/48UGR2
. .Overhead installation [6]
G02B 6/50UGR2
. .Underground or underwater installation; Installation through tubing, conduits or ducts [6]
G02B 6/52UGR3
. . .using fluid, e.g. air [6]
G02B 6/54UGR3
. . .using mechanical means, e.g. pulling or pushing devices [6]
G02B 7/00HGRMountings, adjusting means, or light-tight connections, for optical elements
G02B 7/02UGR1
.for lenses
G02B 7/04UGR2
. .with mechanism for focusing or varying magnification [2]
G02B 7/06UGR3
. . .Focusing binocular pairs
G02B 7/08UGR3
. . .adapted to co-operate with a remote control mechanism
G02B 7/09UGR3
. . .adapted for automatic focusing or varying magnification (automatic generation of focusing signals G02B 7/28) [5]
G02B 7/10UGR3
. . .by relative axial movement of several lenses, e.g. of varifocal objective lens
G02B 7/105UGR4
. . . .with movable lens means specially adapted for focusing at close distances [4]
G02B 7/12UGR2
. .Adjusting pupillary distance of binocular pairs
G02B 7/14UGR2
. .adapted to interchange lenses
G02B 7/16UGR3
. . .Rotatable turrets
G02B 7/18UGR1
.for prisms; for mirrors
G02B 7/182UGR2
. .for mirrors (optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light G02B 26/00) [5]
G02B 7/183UGR3
. . .specially adapted for very large mirrors, e.g. for astronomy (G02B 7/185 , G02B 7/192 , G02B 7/198 take precedence) [6]
G02B 7/185UGR3
. . .with means for adjusting the shape of the mirror surface (mirrors with curved faces G02B 5/10) [5]
G02B 7/188UGR4
. . . .Membrane mirrors [5]
G02B 7/192UGR3
. . .with means for minimising internal mirror stresses [5]
G02B 7/195UGR4
. . . .Fluid-cooled mirrors [5]
G02B 7/198UGR3
. . .with means for adjusting the mirror relative to its support [5]
G02B 7/20UGR1
.Light-tight connections for movable optical elements
G02B 7/22UGR2
. .Extensible connections, e.g. bellows
G02B 7/24UGR2
. .Pivoted connections
G02B 7/28UGR1
.Systems for automatic generation of focusing signals (measuring distance per se G01C , G01S; using such signals to control focus of particular apparatus, see the subclasses for the apparatus, e.g. G03B , G03F) [5]
G02B 7/30UGR2
. .using parallactic triangle with a base line [5]
G02B 7/32UGR3
. . .using active means, e.g. light emitter [5]
G02B 7/34UGR2
. .using different areas in a pupil plane [5]
G02B 7/36UGR2
. .using image sharpness techniques [5]
G02B 7/38UGR3
. . .measured at different points on the optical axis [5]
G02B 7/40UGR2
. .using time delay of the reflected waves, e.g. of ultrasonic waves [5]
G02B 9/00HGROptical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - (G02B 13/00 , G02B 15/00 take precedence)
G02B 9/02UGR1
.having one + component only (simple lenses G02B 3/00)
G02B 9/04UGR1
.having two components only
G02B 9/06UGR2
. .two + components
G02B 9/08UGR3
. . .arranged about a stop
G02B 9/10UGR2
. .one + and one - component
G02B 9/12UGR1
.having three components only
G02B 9/14UGR2
. .arranged + - +
G02B 9/16UGR3
. . .all the components being simple
G02B 9/18UGR3
. . .only one component having a compound lens (G02B 9/30 takes precedence)
G02B 9/20UGR4
. . . .the rear component having the compound
G02B 9/22UGR4
. . . .the middle component having the compound
G02B 9/24UGR3
. . .two of the components having compound lenses (G02B 9/30 takes precedence)
G02B 9/26UGR4
. . . .the front and rear components having compound lenses
G02B 9/28UGR4
. . . .the middle and rear components having compound lenses
G02B 9/30UGR3
. . .the middle component being a - compound meniscus having a + lens
G02B 9/32UGR4
. . . .the + lens being a meniscus
G02B 9/34UGR1
.having four components only
G02B 9/36UGR2
. .arranged + - - +
G02B 9/38UGR3
. . .both - components being meniscus
G02B 9/40UGR4
. . . .one - component being compound
G02B 9/42UGR4
. . . .two - components being compound
G02B 9/44UGR3
. . .both - components being biconcave
G02B 9/46UGR4
. . . .one - component being compound
G02B 9/48UGR4
. . . .two - components being compound
G02B 9/50UGR3
. . .both + components being meniscus
G02B 9/52UGR3
. . .the rear + component being compound
G02B 9/54UGR3
. . .the front + component being compound
G02B 9/56UGR3
. . .all components being simple lenses
G02B 9/58UGR2
. .arranged - + + -
G02B 9/60UGR1
.having five components only
G02B 9/62UGR1
.having six components only
G02B 9/64UGR1
.having more than six components
G02B 11/00HGROptical objectives characterised by the total number of simple and compound lenses forming the objective and their arrangement (G02B 9/00 takes precedence; having only one simple lens G02B 3/00)
G02B 11/02UGR1
.having two lenses only
G02B 11/04UGR2
. .arranged C C
G02B 11/06UGR1
.having three lenses only
G02B 11/08UGR2
. .arranged L L L
G02B 11/10UGR2
. .arranged L C L
G02B 11/12UGR2
. .arranged L L C
G02B 11/14UGR2
. .arranged C L C
G02B 11/16UGR2
. .arranged C C L
G02B 11/18UGR2
. .arranged C C C
G02B 11/20UGR1
.having four lenses only
G02B 11/22UGR2
. .arranged L L L L
G02B 11/24UGR2
. .arranged C L L C
G02B 11/26UGR2
. .arranged L C C L
G02B 11/28UGR2
. .arranged C C C C
G02B 11/30UGR1
.having five lenses only
G02B 11/32UGR1
.having six lenses only
G02B 11/34UGR1
.having more than six lenses
G02B 13/00HGROptical objectives specially designed for the purposes specified below (with variable magnification G02B 15/00)
G02B 13/02UGR1
.Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
G02B 13/04UGR1
.Reversed telephoto objectives
G02B 13/06UGR1
.Panoramic objectives; So-called "sky lenses"
G02B 13/08UGR1
.Anamorphotic objectives
G02B 13/10UGR2
. .involving prisms (G02B 13/12 takes precedence)
G02B 13/12UGR2
. .with variable magnification
G02B 13/14UGR1
.for use with infra-red or ultra-violet radiation (G02B 13/16 takes precedence)
G02B 13/16UGR1
.for use in conjunction with image converters or intensifiers
G02B 13/18UGR1
.with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
G02B 13/20UGR1
.Soft-focus objectives (diffusing elements in general G02B 5/02)
G02B 13/22UGR1
.Telecentric objectives or lens systems
G02B 13/24UGR1
.for reproducing or copying at short object distances
G02B 13/26UGR2
. .for reproducing with unit magnification [3]
G02B 15/00HGROptical objectives with means for varying the magnification (anamorphotic objectives G02B 13/08)
G02B 15/02UGR1
.by changing, adding, or subtracting a part of the objective, e.g. convertible objective
G02B 15/04UGR2
. .by changing a part
G02B 15/06UGR3
. . .by changing the front part
G02B 15/08UGR3
. . .by changing the rear part
G02B 15/10UGR2
. .by adding a part, e.g. close-up attachment
G02B 15/12UGR3
. . .by adding telescopic attachments (G02B 15/14 takes precedence)
G02B 15/14UGR1
.by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective [4]
G02B 15/15UGR2
. .compensation by means of only one movement or by means of only linearly related movements, e.g. optical compensation [4]
G02B 15/16UGR2
. .with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group (G02B 15/22 takes precedence) [4]
G02B 15/163UGR3
. . .having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group (G02B 15/177 takes precedence) [4]
G02B 15/167UGR4
. . . .having an additional fixed front lens or group of lenses [4]
G02B 15/17UGR5
. . . . .arranged + - - [4]
G02B 15/173UGR5
. . . . .arranged + - + [4]
G02B 15/177UGR3
. . .having a negative front lens or group of lenses [4]
G02B 15/20UGR3
. . .having an additional movable lens or lens group for varying the objective focal length [4]
G02B 15/22UGR2
. .with movable lens means specially adapted for focusing at close distances [4]
G02B 15/24UGR3
. . .having a front fixed lens or lens group and two movable lenses or lens groups in front of a fixed lens or lens group [4]
G02B 15/26UGR4
. . . .arranged + - - [4]
G02B 15/28UGR4
. . . .arranged + - + [4]
G02B 17/00HGRSystems with reflecting surfaces, with or without refracting elements (microscopes G02B 21/00; telescopes, periscopes G02B 23/00; beam shaping not otherwise provided for G02B 27/09; for beam splitting or combining G02B 27/10; for optical projection G02B 27/18) [6]
G02B 17/02UGR1
.Catoptric systems, e.g. image erecting and reversing system
G02B 17/04UGR2
. .using prisms only
G02B 17/06UGR2
. .using mirrors only
G02B 17/08UGR1
.Catadioptric systems
G02B 19/00HGRCondensers (for microscopes G02B 21/08)
G02B 21/00HGRMicroscopes (eyepieces G02B 25/00; polarising systems G02B 27/28; measuring microscopes G01B 9/04; microtomes G01N 1/06; investigating or analysing surface structures in atomic ranges using scanning-probe techniques, e.g. techniques employing scanning tunnelling or scanning near-field optical microscopes G01N 13/10; details of scanning-probe apparatus, in general G12B 21/00) [1, 7]
G02B 21/02UGR1
.Objectives
G02B 21/04UGR2
. .involving mirrors
G02B 21/06UGR1
.Means for illuminating specimen
G02B 21/08UGR2
. .Condensers
G02B 21/10UGR3
. . .affording dark-field illumination (G02B 21/14 takes precedence)
G02B 21/12UGR3
. . .affording bright-field illumination (G02B 21/14 takes precedence)
G02B 21/14UGR3
. . .affording illumination for phase-contrast observation
G02B 21/16UGR1
.adapted for ultra-violet illumination
G02B 21/18UGR1
.Arrangements with more than one light-path, e.g. for comparing two specimens
G02B 21/20UGR2
. .Binocular arrangements
G02B 21/22UGR3
. . .Stereoscopic arrangements
G02B 21/24UGR1
.Base structure
G02B 21/26UGR2
. .Stages; Adjusting means therefor
G02B 21/28UGR2
. .with cooling device
G02B 21/30UGR2
. .with heating device
G02B 21/32UGR1
.Micromanipulators structurally combined with microscopes
G02B 21/33UGR1
.Immersion oils [6]
G02B 21/34UGR1
.Microscope slides, e.g. mounting specimens on microscope slides (preparing specimens for investigation G01N 1/28; means for supporting the objects or the materials to be analysed in electron microscopes H01J 37/20)
G02B 21/36UGR1
.arranged for photographic purposes or projection purposes (G02B 21/18 takes precedence)
G02B 23/00HGRTelescopes, e.g. binoculars (measuring telescopes G01B 9/06); Periscopes; Instruments for viewing the inside of hollow bodies (diagnostic instruments A61B); Viewfinders (objectives G02B 9/00 , G02B 11/00 , G02B 15/00 , G02B 17/00; eyepieces G02B 25/00); Optical aiming or sighting devices (non-optical aspects of weapon aiming or sighting devices F41G) [4]
G02B 23/02UGR1
.involving prisms or mirrors (G02B 23/14 takes precedence)
G02B 23/04UGR2
. .for the purpose of beam splitting or combining, e.g. fitted with eyepieces for more than one observer (G02B 23/10 takes precedence)
G02B 23/06UGR2
. .having a focusing action, e.g. parabolic mirror
G02B 23/08UGR2
. .Periscopes
G02B 23/10UGR2
. .reflecting into the field of view additional indications, e.g. from collimator (collimators in general G02B 27/30; graticules G02B 27/34)
G02B 23/12UGR1
.with means for image conversion or intensification (objectives for image conversion or intensification G02B 13/16; electrical image converters with optical input and optical output H01J 31/50)
G02B 23/14UGR1
.Viewfinders (for photographic apparatus G03B 13/02)
G02B 23/16UGR1
.Housings; Caps; Mountings; Supports, e.g. with counterweight (cases or receptacles A45C)
G02B 23/18UGR2
. .for binocular arrangements
G02B 23/20UGR2
. .Collapsible housings (G02B 23/18 takes precedence)
G02B 23/22UGR2
. .Underwater equipments, e.g. for submarine periscope
G02B 23/24UGR1
.Instruments for viewing the inside of hollow bodies, e.g. fibrescopes [4]
G02B 23/26UGR2
. .using light guides [4]
G02B 25/00HGREyepieces; Magnifying glasses (simple lenses G02B 3/00)
G02B 25/02UGR1
.with means for illuminating object viewed
G02B 25/04UGR1
.affording a wide-angle view, e.g. through a spy-hole
G02B 26/00HGROptical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating (mechanically operable parts of lighting devices for the control of light order F21V; specially adapted for measuring characteristics of light G01J; devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements G02F 1/00; control of light in general G05D 25/00; control of light sources H01S 3/10 , H05B 37/00 to H05B 43/00) [4]
G02B 26/02UGR1
.for controlling the intensity of light [4]
G02B 26/04UGR2
. .by periodically varying the intensity of light, e.g. using choppers [4]
G02B 26/06UGR1
.for controlling the phase of light (G02B 26/08 takes precedence) [4]
G02B 26/08UGR1
.for controlling the direction of light (in light guides G02B 6/35) [4]
G02B 26/10UGR2
. .Scanning systems (for special applications, see the relevant places, e.g. G03B 27/32 , G03F 3/08 , G03G 15/04 , G09G 3/00 , H04N) [4]
G02B 26/12UGR3
. . .using multifaceted mirrors [6]
G02B 27/00HGROther optical systems; Other optical apparatus (means for bringing-about special optical effects in shop-windows, showcases A47F , e.g. A47F 11/06; optical toys A63H 33/22; designs or pictures characterised by special light effects B44F 1/00)
G02B 27/01UGR1
.Head-up displays [6]
G02B 27/02UGR1
.Viewing or reading apparatus (stereoscopic systems G02B 27/22; of the projection type G03B; slide-changing apparatus G03B)
G02B 27/04UGR2
. .having collapsible parts
G02B 27/06UGR2
. .with moving-picture effect
G02B 27/08UGR2
. .Kaleidoscopes
G02B 27/09UGR1
.Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for [6]
G02B 27/10UGR1
.Beam splitting or combining systems (mixing and splitting light signals using optical waveguides G02B 6/28; polarising systems G02B 27/28) [4]
G02B 27/12UGR2
. .operating by refraction only
G02B 27/14UGR2
. .operating by reflection only
G02B 27/16UGR2
. .used as aids for focusing
G02B 27/18UGR1
.for optical projection, e.g. combination of mirror and condenser and objective
G02B 27/20UGR2
. .for imaging minute objects, e.g. light-pointer
G02B 27/22UGR1
.for producing stereoscopic or other three-dimensional effects (in microscopes G02B 21/22; viewing apparatus G02B 27/02)
G02B 27/24UGR2
. .involving reflecting prisms and mirrors only
G02B 27/26UGR2
. .involving polarising means
G02B 27/28UGR1
.for polarising (used in stereoscopes G02B 27/26)
G02B 27/30UGR1
.Collimators
G02B 27/32UGR1
.Fiducial marks or measuring scales within the optical system
G02B 27/34UGR2
. .illuminated
G02B 27/36UGR2
. .adjustable
G02B 27/40UGR1
.Optical focusing aids (beam splitting or combining systems G02B 27/10)
G02B 27/42UGR1
.Diffraction optics (G02B 27/60 takes precedence) [3]
G02B 27/44UGR2
. .Grating systems; Zone plate systems (G02B 27/46 takes precedence; spectrometry G01J) [3]
G02B 27/46UGR2
. .Systems using spatial filters (character recognition G06K 9/00) [3]
G02B 27/48UGR1
.Laser speckle optics (speckle suppression in holography G03H 1/32) [3]
G02B 27/50UGR1
.Optics for phase object visualisation [3]
G02B 27/52UGR2
. .Phase contrast optics (in microscopes G02B 21/14) [3]
G02B 27/54UGR2
. .Schlieren-optical systems [3]
G02B 27/56UGR1
.Optics using evanescent waves, i.e. inhomogeneous waves [3]
G02B 27/58UGR1
.Optics for apodization or superresolution; Optical synthetic aperture systems [3]
G02B 27/60UGR1
.Systems using moire fringes (means for converting the output of a sensing member using diffraction gratings G01D 5/38) [3]
G02B 27/62UGR1
.Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems (adjusting means being part of the system to be assembled G02B 7/00) [3]
G02B 27/64UGR1
.Imaging systems using optical elements for stabilisation of the lateral and angular position of the image (focusing systems G02B 7/04; adjustment of optical system relative to image or object surface G03B 5/00) [3]