Theme -Code-Choice

On this page, you can select 2H 「theme code」.

Select the desired 「Theme code」.

  • 2H001
  • Optical fibers
  • 2H002
  • Exposure control for cameras
  • 2H004
  • Phototypesetting
  • 2H005
  • DEVELOPERS FOR ELECTROPHOTOGRAPHY
  • 2H006
  • EYEGLASSES
  • 2H011
  • FOCUSING
  • 2H012
  • Holders for sensitive materials and originals
  • 2H013
  • Radiography using non-light waves
  • 2H014
  • Cinecamera
  • 2H015
  • Details common to projectors
  • 2H016
  • SILVER SALT PHOTOGRAPHY OR PROCESSING SOLUTION THEREFOR
  • 2H017
  • Film piece handling
  • 2H018
  • Viewfinders
  • 2H019
  • Photographic shooting methods and apparatuses
  • 2H020
  • DETAILS OF CAMERAS INCLUDING FILM MECHANISMS
  • 2H021
  • Overhead projectors and projection screens
  • 2H022
  • Contact printing devices
  • 2H023
  • SILVER SALT PHOTOSENSITIVE MATERIALS
  • 2H024
  • Film packages
  • 2H025
  • PHOTORESIST MATERIALS
  • 2H026
  • HEAT SENSITIVE COLOUR FORMING RECORDING
  • 2H027
  • CONTROL OR SECURITY IN ELECTROPHOTOGRAPHY
  • 2H028
  • Counters in electrophotography and two-sided copying
  • 2H029
  • Electrophotography using other than Carlson's method
  • 2H030
  • Color electrophotography
  • 2H031
  • Magnetic brush developing in electrophotography
  • 2H033
  • FIXING FOR ELECTROPHOTOGRAPHY
  • 2H035
  • DISCHARGING, PHOTOSENSITIVE MATERIAL SHAPE IN ELECTROPHOTOGRAPHY
  • 2H036
  • Mechanical coupling of light guides
  • 2H037
  • Optical coupling of light guides
  • 2H038
  • LIGHT GUIDES IN GENERAL AND APPLICATIONS THEREFOR
  • 2H039
  • Telescopes
  • 2H040
  • INSTRUMENTS FOR VIEWING THE INSIDE OF HOLLOW BODIES
  • 2H041
  • Mechanical light control, optical switches
  • 2H042
  • OPTICAL ELEMENTS OTHER THAN LENSES
  • 2H043
  • MOUNTING AND ADJUSTING OF OPTICAL ELEMENTS
  • 2H044
  • LENS BARRELS
  • 2H045
  • MECHANICAL OPTICAL SCANNING SYSTEMS
  • 2H046
  • OPTICAL FIBRE BUNDLES
  • 2H047
  • Optical integrated circuits
  • 2H048
  • Optical filters
  • 2H049
  • Diffraction gratings, polarizing elements, and holographic optical elements
  • 2H050
  • Optical fiber cores
  • 2H051
  • AUTOMATIC FOCUS ADJUSTMENT
  • 2H052
  • MICROSCOOPES, CONDENSER
  • 2H053
  • STROBOSCOPE APPARATUSES
  • 2H054
  • Cameras in general
  • 2H055
  • Slide changers
  • 2H056
  • Special-shape cameras
  • 2H057
  • Talkies
  • 2H058
  • (Not Translated)
  • 2H059
  • STEREOSCOPIC AND PANORAMIC PHOTOGRAPHY
  • 2H060
  • High-speed photography and other special technologies
  • 2H061
  • Testing photography devices
  • 2H062
  • Electrophotography transfer materials
  • 2H063
  • Electrophotography protection layers
  • 2H064
  • Electrophotography fixing agents
  • 2H065
  • Electrophotography multicopy
  • 2H066
  • Electrophotography warming
  • 2H067
  • Electrophotography electrostatic image transfer
  • 2H068
  • PHOTORECEPTORS IN ELECTROPHOTOGRAPHY
  • 2H069
  • Liquid developers in electrophotography
  • 2H070
  • Electrographic processes in general and platemaking by electrophotography
  • 2H071
  • Electrographic apparatuses in general and cases and elements thereof
  • 2H072
  • PAPER FEEDING FOR ELECTROPHOTOGRAPHY
  • 2H073
  • DEVELOPING FOR ELECTROPHOTOGRAPHY IN GENERAL; DEVELOPING BIAS
  • 2H074
  • WET DEVELOPING IN ELECTROPHOTOGRAPHY
  • 2H075
  • Electrophotography magnetic photography
  • 2H076
  • EXPOSURE OR ORIGINAL FEEDING IN ELECTROPHOTOGRAPHY
  • 2H077
  • DRY DEVELOPMENT IN ELECTROPHOTOGRAPHY
  • 2H078
  • COMBINATION OF MORE THAN ONE STEP IN ELECTROPHOTOGRAPHY
  • 2H079
  • MODULATION OF LIGHT
  • 2H080
  • Diaphragms for cameras
  • 2H081
  • Shutters for cameras
  • 2H082
  • Shutter-related mechanisms
  • 2H083
  • BLOCKING LIGHT FOR CAMERAS
  • 2H084
  • MANUFACTURE OR REPRODUCTION OF PRINTING FORMES
  • 2H085
  • Color printing
  • 2H086
  • Copying or marking
  • 2H087
  • Lenses
  • 2H088
  • LIQUID CRYSTAL 1 (APPLICATIONS AND PRINCIPLES)
  • 2H089
  • Liquid Crystal 2 (General structure, spacers, filling holes, and closing members)
  • 2H090
  • Liquid Crystal 3 (Substrates, insulating layers, and alignment members)
  • 2H091
  • LIQUID CRYSTAL 4 (COMBINATION WITH OPTICAL MEMBERS)
  • 2H092
  • LIQUID CRYSTAL 5 (ELECTRODES AND ACTIVE MATRIXES)
  • 2H093
  • LIQUID CRYSTAL 6 (DRIVE)
  • 2H094
  • Diffusion transfer
  • 2H095
  • PREPARATION OF ORIGINALS OR MASKS IN PHOTOMECHANICAL PROCESSES
  • 2H096
  • TREATMENT OF PHOTOSENSITIVE RESINS OR PHOTORESISTS
  • 2H097
  • EXPOSURE AND POSITIONING OF PHOTOSENSITIVE MATERIALS COMPRISING PHOTORESISTS
  • 2H098
  • Photographic processing devices using wet methods
  • 2H099
  • Other optical system, apparatus, interferance of the light and control of the color
  • 2H100
  • CAMERA BODIES AND CAMERA DETAILS OR ACCESSORIES
  • 2H101
  • STRUCTURE AND MECHANISM OF CAMERAS
  • 2H102
  • INDICATION IN CAMERAS, AND COUNTING OF EXPOSURES
  • 2H103
  • Camera data copying or recording
  • 2H104
  • Cameras adapted for combination with other photographic or optical apparatuses
  • 2H105
  • ACCESSORIES OF CAMERAS
  • 2H106
  • Projection-type copiers in general
  • 2H107
  • VARIABLE MAGNIFICATION IN PROJECTION-TYPE COPYING MACHINES
  • 2H108
  • Optical systems of projection type copiers
  • 2H109
  • LIGHT SOURCES AND DETAILS OF PROJECTION-PRINTING DEVICES
  • 2H110
  • Control of exposure in printing and copying
  • 2H111
  • THERMAL TRANSFER OR THERMAL RECORDING IN GENERAL
  • 2H112
  • Photographic developing apparatuses
  • 2H113
  • PRINTING METHODS
  • 2H114
  • PRINTING PLATES AND MATERIALS THEREFOR
  • 2H115
  • Typesetting
  • 2H116
  • Marking and others
  • 2H117
  • Color separation and correction and screen methods in phototype processes
  • 2H118
  • Gas processing devices
  • 2H123
  • NON-SILVER SALT PHOTOSENSITIVE MATERIALS AND NON-SILVER SALT PHOTOGRAPHY
  • 2H125
  • MATERIALS FOR PHOTOLITHOGRAPHY
  • 2H134
  • Cleaning in electrography, etc.
  • 2H137
  • OPTICAL COUPLINGS OF LIGHT GUIDES
  • 2H141
  • MECHANICAL LIGHT CONTROL OR OPTICAL SWITCHES
  • 2H147
  • OPTICAL INTEGRATED CIRCUITS
  • 2H148
  • OPTICAL FILTERS
  • 2H149
  • POLARISING ELEMENTS
  • 2H150
  • OPTICAL FIBRES OR COATED OPTICAL FIBRES
  • 2H151
  • AUTOMATIC FOCUS ADJUSTMENT
  • 2H170
  • Electrophotograph plate-making
  • 2H171
  • General electrophotography. Overall configuration and components
  • 2H186
  • INK JET RECORDING METHODS AND RECORDING MEDIA THEREOF
  • 2H189
  • LIQUID CRYSTALS 2 (STRUCTURES IN GENERAL, SPACERS, INLETS OR SEALING MATERIALS)
  • 2H190
  • LIQUID CRYSTALS 3-1 (SUBSTRATES AND INSULATING FILMS)
  • 2H191
  • LIQUID CRYSTAL 4 (COMBINATION WITH OPTICAL MEMBERS)
  • 2H192
  • LIQUID CRYSTALS 5-2 (SWITCHING ELEMENTS)
  • 2H193
  • LIQUID CRYSTAL 6 (DRIVE)
  • 2H195
  • PREPARING PLATES AND MASK IN PHOTOMECHANICAL PROCESS
  • 2H196
  • PHOTOSENSITIVE POLYMER AND PHOTORESIST PROCESSING
  • 2H197
  • EXPOSURE AND POSITIONING AGAINST PHOTORESIST PHOTOSENSITIVE MATERIALS
  • 2H199
  • OTHER OPTICAL SYSTEMS OR APPARATUS; INTERFERENCE OR CONTROL OF THE COLOUR
  • 2H200
  • Electrostatic charge, transfer and separation in electrography
  • 2H201
  • STRUCTURES FOR PROVIDING TENSILE STRENGTH AND EXTERNAL PROTECTION FOR FIBERS
  • 2H225
  • MATERIALS FOR PHOTOLITHOGRAPHY
  • 2H249
  • DIFFRACTING GRATINGS OR HOLOGRAM OPTICAL ELEMENTS
  • 2H250
  • OPTICAL FIBERS, OPTICAL FIBER CORES, AND OPTICAL FIBER BUNDLES
  • 2H270
  • CONTROL OR SECURITY FOR ELECTROPHOTOGRAPHY
  • 2H286
  • DUPLICATION OR MARKING
  • 2H290
  • LIQUID CRYSTAL3-2 (ALIGNMENT MEMBERS)
  • 2H291
  • LIQUID CRYSTAL 4-1 (COMBINATION WITH OPTICAL MEMBERS)
  • 2H300
  • Color electrophotography
  • 2H391
  • LIQUID CRYSTAL 4-2 (COMBINATION WITH LIGHTING DEVICE)
  • 2H500
  • DEVELOPING AGENTS FOR ELECTROPHOTOGRAPHY
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