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| 2G020 | SPECTROMETRY AND COLOR MEASUREMENT | |
| G01J3/00 -4/04@Z;7/00-9/04 | ||
| G01J3/00-3/52 | AA | AA00 FIELD OF MEASUREMENT |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | ||
| . Wavelength ranges | . . Microwaves | . . Infrared light | . . Visible light | . . Ultraviolet light | . . X-rays | . . Others | . Colors (see DA) | |||||
| BA | BA00 PURPOSE OF ANALYSIS |
BA01 | BA02 | BA03 | BA04 | BA05 | ||||||
| . Analysis types | . . Quantitative analyses | . . Qualitative analyses | . . Structural analyses | . . Composition analyses | ||||||||
| BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | BA19 | BA20 | |||
| . Use of analyses | . . Detection of gases | . . Combustion | . . Detection of liquids | . . Analysis of impurities or additives | . . Detection of powders | . . Surface testing | . . Measurement of thin-film substances | . . Observation of earth and space | . . Others | |||
| CA | CA00 SPECTROMETRIC METHODS |
CA01 | CA02 | CA03 | CA04 | CA05 | ||||||
| . Luminous spectrometry | . Absorption spectrometry | . Diffusion spectrometry | . . Raman spectrometry and scattering spectrometry | . . Others | ||||||||
| CA11 | CA12 | CA13 | CA14 | CA15 | CA16 | CA17 | ||||||
| . Other spectrometric methods | . . Interferometric spectrometry | . . Derivative spectrometry and modulation spectrometry | . . Time-analysis spectrometry | . . Polarization spectrometry | . . Correlation spectrometry | . . Others | ||||||
| CB | CB00 SPECTROMETRIC DEVICES (1) |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB07 | CB08 | |||
| . Structural systems | . . Overall structures | . . Beam systems | . . . Monochromatic flux | . . . Bichromatic flux | . . . Polychromatic flux | . . Sample rooms | . . Others | |||||
| CB11 | CB12 | CB13 | CB14 | |||||||||
| . Operating systems | . . Manually operated systems | . . Partially automatic systems | . . Fully automatic systems | |||||||||
| CB21 | CB22 | CB23 | CB24 | CB25 | CB26 | CB27 | ||||||
| . Light sources | . . Source types | . . . Laser beams | . . . White heat lamps | . . . . Tungsten variants | . . . . Halogen or metal-halide variants | . . . . Others | ||||||
| CB31 | CB32 | CB33 | CB34 | CB35 | CB36 | |||||||
| . . . Electrical discharge lamps | . . . . Xenon lamps | . . . . Hydrogen or heavy hydrogen lamps | . . . . Others lamps | . . . Irradiation by a particle accelerator | . . . Others | |||||||
| CB41 | CB42 | CB43 | CB44 | CB45 | CB46 | |||||||
| . . Wavelengths | . . . Infrared light | . . . Visible and ultraviolet light | . . . Vacuum ultraviolet light and soft X-rays | . . . X-rays | . . . Others | |||||||
| CB51 | CB52 | CB53 | CB54 | CB55 | CB56 | |||||||
| . . Light source structures and surroundings | . . . Mechanical means | . . . Electrical means | . . . Optical means | . . . Special qualities and features | . . . Others | |||||||
| CC | CC00 SPECTROMETRIC DEVICES (2) |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | CC09 | ||
| . Spectrum-generating components | . . Diffraction gratings | . . . Shapes | . . . . Planes | . . . . Concave shapes | . . . . Others | . . . Rotation, drive, and exchange mechanisms | . . . Special qualities and gratings | . . . Spectrometric methods | ||||
| CC11 | CC12 | CC13 | CC14 | CC15 | CC16 | |||||||
| . . . Manufacturing methods | . . . Others | . . Refraction elements (e.g., prisms) | . . . Shapes | . . . Materials and manufacturing methods | . . . Others | |||||||
| CC21 | CC22 | CC23 | CC24 | CC25 | CC26 | CC27 | CC28 | CC29 | CC30 | |||
| . . Interferometers | . . . Double-beam flux interferometers | . . . Multiple interferometers | . . . Polarized light interferometers | . . . Others | . . Filters | . . . Monochromatic filters | . . . Divided filters | . . . Polarized light filters | . . . Acoustic optical filters | |||
| CC31 | CC32 | |||||||||||
| . . . Other filters | . . Others | |||||||||||
| CC41 | CC42 | CC43 | CC44 | CC45 | CC46 | CC47 | CC48 | CC49 | ||||
| . Light input and output arrangements | . . Slits | . . . Slit arrangements | . . . Slit-exchanging mechanisms | . . . Control of the slit | . . . Slit shapes | . . Beam-splitting and - combining arrangements | . . Light choppers or shutters | . . Others | ||||
| CC51 | CC52 | CC53 | CC54 | CC55 | CC56 | |||||||
| . Scanning arrangements | . . Drive systems | . . . Rotary polygonal mirrors | . . . Bi-axial scanning mirrors | . . . Mechanical drives other than the above | . . . Non-mechanical drives | |||||||
| CC61 | CC62 | CC63 | CC64 | CC65 | ||||||||
| . . Scanning methods | . . . Mechanical light-deflection means | . . . Photo-sensor arrays | . . . Liquid crystal shutters | . . . Others | ||||||||
| CD | CD00 SPECTROMETRIC DEVICES (3) |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | |||||
| . Detection components | . . Object of detection | . . . Spectrometric light | . . . . Spectrometric distribution | . . . . Dual-wavelength spectrometers | . . . . Multi-wavelength spectrometers (e.g., multi-channels) | |||||||
| CD11 | CD12 | CD13 | CD14 | CD15 | CD16 | |||||||
| . . . Detection of light intensity | . . . . Light irradiation and reflection | . . . . Light penetration and diffusion | . . . . Luminosity | . . . . Polarized light | . . . . Interfering light | |||||||
| CD21 | CD22 | CD23 | CD24 | CD25 | CD26 | CD27 | CD28 | |||||
| . . Detection methods | . . . Photoelectric photometry | . . . . Photomultiplier tubes | . . . . Integrated circuit detectors | . . . . Other photoelectric detection methods | . . . Thermal detection methods | . . . Photometry | . . . Others | |||||
| CD31 | CD32 | CD33 | CD34 | CD35 | CD36 | CD37 | CD38 | CD39 | ||||
| . Signal-processing elements | . . Improvement of signal-to-noise (S/N) ratio | . . Signal processing methods | . . . Analog-to-digital (A/D) conversion | . . . Fourier conversion | . . . Other calculations | . . Data housing and retrieval | . . Revision | . . Wavelength comparison | ||||
| CD41 | ||||||||||||
| . . Others | ||||||||||||
| CD51 | CD52 | CD53 | CD54 | CD55 | CD56 | CD57 | CD58 | CD59 | CD60 | |||
| . Display and recording elements | . . Cathode-ray tube (CRT) elements | . . Liquid crystals | . . Plotters | . . Others | . Control elements | . . Adjustment | . . . Zero adjustment | . . . Sensitivity adjustment | . . . Other adjustments | |||
| CD61 | ||||||||||||
| . . Others | ||||||||||||
| DA | DA00 COLOR MEASUREMENT |
DA01 | DA02 | DA03 | DA04 | DA05 | DA06 | |||||
| . Content of measurement | . . Hue | . . Chroma | . . Brightness | . . Recognition and comparison of colors | . . Luster | |||||||
| DA11 | DA12 | DA13 | DA14 | DA15 | DA16 | DA17 | ||||||
| . Measuring methods | . . Spectral colorimetry | . . Photoelectric methods (e.g., filter methods) | . . Computer color matching (CCM) | . . Sample treatments and processing | . . Visible observation | . . Others | ||||||
| DA21 | DA22 | DA23 | DA24 | |||||||||
| . Colorimetry | . . Light source systems | . . Sampling systems | . . Optical input-output systems | |||||||||
| DA31 | DA32 | DA33 | DA34 | DA35 | DA36 | |||||||
| . . Light-detection systems | . . . Color sensors | . . . Optical elements combined with color sensors | . . Signal processing systems | . . Display systems | . . Operational systems | |||||||
| DA41 | DA42 | DA43 | DA44 | DA45 | ||||||||
| . Uses of colorimetry | . . Colorimetry of flat material | . . . Printing material | . . . Dyeing material | . . . Painting material | ||||||||
| DA51 | DA52 | DA53 | DA54 | |||||||||
| . . Colorimetry of three-dimensional materials | . . . Industrial products | . . . Agricultural products | . . . Earth and space observation | |||||||||
| DA61 | DA62 | DA63 | DA64 | DA65 | DA66 | |||||||
| . . Colorimetry of powders | . . Colorimetry of liquids | . . Colorimetry of luminous materials | . . Colorimetry of sintering | . . Application to color instruments | . . Others |