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2G059 | INVESTIGATING OR ANALYSING MATERIALS BY OPTICAL MEANS | |
G01N21/00 -21/01@Z;21/17-21/61 |
G01N21/00-21/01;21/17-21/61 | AA | AA00 PURPOSE OF MEASUREMENT |
AA01 | AA02 | AA03 | AA05 | AA06 | AA10 | ||||
. Analysing components or measuring concentration | . Measuring optical properties of materials | . Measuring material properties other than optical properties | . Inspecting; detecting; observing conditions | . Diagnosing diseases | . Other purposes (F) | |||||||
BB | BB00 OBJECT OF MEASUREMENT |
BB01 | BB02 | BB04 | BB05 | BB06 | BB08 | BB09 | BB10 | |||
. Gases | . . Air | . Liquid or liquid fluent materials | . . Water seawater or river water | . . Suspensions | . Solids | . . Powders or granules | . . sheet-shaped or film-shaped | |||||
BB11 | BB12 | BB13 | BB14 | BB15 | BB16 | BB20 | ||||||
. Foods e.g. milks fruits or grains | . Biological samples | . . Body fluids e.g. blood or urine | . . Cells | . Products or semi-finished products (BB16 takes precedence) | . Semiconductor materials or semiconductor products | . Other objects of measurement (F) | ||||||
CC | CC00 SUBSTANCE TO BE DETECTED |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | CC09 | CC10 | |
. Inorganic substances (F) | . . Elements; ions (F) | . . . Metal elements; metal ions (F) | . . Carbon monoxide (CO) or carbon dioxide (CO2) | . . Nitrogen oxides (NOx) e.g. nitric oxide (NO) or nitrogen dioxide (NO2) | . . Sulfur compounds e.g. sulfur dioxide (SO2) | . . Oxygen (O2) | . . Ozone | . . Moisture content or water | . . . Humidity | |||
CC11 | CC12 | CC13 | CC14 | CC15 | CC16 | CC17 | CC18 | CC19 | CC20 | |||
. . . Fog rain drops water drops dew or frost | . Organic substances (F) | . . Hydrocarbons | . . Oils or oil materials | . . Alcohols | . Substances relating to living body | . . Immunological reaction products | . . Hemoglobin | . Smoke soot suspended particulates or aerosols | . Other substances to be detected (F) | |||
DD | DD00 ADJUSTING OR HANDLING SAMPLE |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | |||||
. Adjusting or pre-treating samples | . . Eliminating obstruction components or interference | . . Chemical treatments | . . Concentrating extracting or diluting | . . Stirring | . . Emulsifying or homogenising | |||||||
DD11 | DD12 | DD13 | DD15 | DD16 | DD17 | DD18 | DD20 | |||||
. Handling samples | . . Sampling; conveying moving or introducing samples | . . Supporting setting or determining positions of samples | . Controlling environments or atmospheres of samples | . . Controlling temperatures | . . . Retaining constant temperature or incubation | . . . Cooling by low temperatures | . Adjustment composition or structures of standard samples | |||||
EE | EE00 ANALYSIS METHOD (PRINCIPLE) |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | EE07 | EE09 | EE10 | ||
. Light transmission or light absorption | . Light reflection light scattering or diffraction | . . Raman scattering | . Light refraction or light deflection | . using polarisation properties | . Light emission | . . Fluorescence phosphorescence or photoluminescence | . using light interference | . . used for spectrometry | ||||
EE11 | EE12 | EE13 | EE15 | EE16 | EE17 | EE18 | EE20 | |||||
. using a plurality of wavelengths | . . Measuring spectral (EE10 or EE13 takes precedence) | . . Measuring colours chrominance or tristimulus values | . Light energy to be converted to other amount | . . Photoacoustic effects | . . Electrical variables e.g. electrical conductivity voltages or currents | . . Photoelectrons | . Other analysis methods (principles) (F) | |||||
FF | FF00 ANALYSIS METHOD (FORM) |
FF01 | FF02 | FF03 | FF04 | FF05 | FF06 | FF07 | FF08 | FF09 | FF10 | |
. Measuring space distribution; scanning or picking up | . . Measuring three-dimensional distribution | . Measuring microscopic regions | . Measuring temporal variations or time resolved measurement | . . Adding variations to samples and comparing before and after variations | . Direct analysis without sampling or pre-treatment | . using detectors with immersing them in liquids | . Comparing with standard samples or reference samples | . . Double beam methods | . Analysing a plurality of components | |||
FF11 | FF12 | FF13 | FF20 | |||||||||
. Analysing a plurality of samples | . using reagents or indicators | . using tracers | . Other analysis methods (forms) (F) | |||||||||
GG | GG00 LIGHT SOURCE |
GG01 | GG02 | GG03 | GG04 | GG05 | GG06 | GG07 | GG08 | GG09 | GG10 | |
. Lasers | . Semiconductor light sources e.g. light-emitting diodes (LED) or electroluminescence (EL) | . using a plurality of light sources | . using polarisation | . having means for monitoring light sources | . having means for modulating light | . . Intermittent light | . . . Pulsed light | . . having means for modulating wavelengths | . Others | |||
HH | HH00 WAVELENGTH TO BE USED |
HH01 | HH02 | HH03 | HH04 | HH05 | HH06 | HH08 | HH09 | |||
. Infrared rays | . Visible light | . Ultraviolet rays | . . Vacuum ultraviolet rays | . Other electromagnetic waves e.g. X-rays or microwaves | . Specific wavelength values | . Wavelength matching | . Stabilising wavelengths to be used | |||||
JJ | JJ00 OPTICAL ELEMENT |
JJ01 | JJ02 | JJ03 | JJ04 | JJ05 | JJ06 | JJ07 | ||||
. Spectroscopic means | . . Filters | . . . Interference filters | . . . Gas filling filters | . . Diffraction gratings | . . Prisms for spectroscopy | . . Dichroic mirrors | ||||||
JJ11 | JJ12 | JJ13 | JJ14 | JJ15 | JJ16 | JJ17 | JJ18 | JJ19 | JJ20 | |||
. Lenses | . Prisms other than those for spectroscopy (JJ06 takes precedence) | . Mirrors or reflecting surfaces (JJ07 takes precedence) | . . Curved mirrors or curved reflecting surfaces | . . for optical scanning | . Integrating spheres | . Optical fibres light guides or optical rods | . Liquid crystals or electro-optical liquid crystals | . Polarising elements | . Wavelength plates e.g. quarter wavelength plates | |||
JJ21 | JJ22 | JJ23 | JJ24 | JJ25 | JJ26 | JJ30 | ||||||
. Glass plates or quartz plates excluding mere optical windows | . Beam splitters combiners or sectors | . Shutters | . Choppers | . Neutral density filters | . Light-diffusing plates | . Other special optical elements (F) | ||||||
KK | KK00 DETECTION MEANS |
KK01 | KK02 | KK03 | KK04 | KK05 | KK06 | KK07 | KK08 | KK09 | KK10 | |
. Photo-electric detectors | . . Photo-multipliers | . . using a plurality of detectors | . . . Detector arrays TV cameras or charge coupled devices (CCD) | . . . Arranging a plurality of detectors at optical paths in series | . Photographic films | . by vision | . Vibration detectors or pressure detectors e.g. microphones | . Heat detectors thermocouples or thermal flowmeters | . Other detectors (F) | |||
LL | LL00 FEATURE OR AUXILIARY FUNCTION OF OPTICAL SYSTEM |
LL01 | LL02 | LL03 | LL04 | LL10 | ||||||
. Aligning optical axes focusing adjusting positions or setting optical path lengths | . Improving efficiency of light use | . . Expanding optical path lengths e.g. multiplex optical paths | . Eliminating disturbance light e.g. external light or stray light | . Other features (F) | ||||||||
MM | MM00 SIGNAL PROCESSING OR DETECTION CIRCUIT |
MM01 | MM02 | MM03 | MM04 | MM05 | MM06 | MM07 | MM08 | MM09 | MM10 | |
. Calculating e.g. sum difference integral or differential | . Histograms or statistical processes | . Mean values | . Peak detection maximum values or minimum values | . Comparing with reference values or thresholds | . Pulse counting | . Setting or controlling time constant of circuits | . using delay circuits | . Digital processing or binalising | . using memory means | |||
MM11 | MM12 | MM13 | MM14 | MM15 | MM16 | MM17 | MM18 | MM19 | MM20 | |||
. . using sample hold circuits | . Calibration curve | . Linearising signals | . Calibrating or adjusting sensitivity of devices | . . Zero adjustment | . . Span adjustment | . . Drift compensation or correcting fluctuations of baselines | . . Measuring ranges or dynamic ranges | . . Checking operations or checking sensitivity | . Other signal processing or detection circuits | |||
NN | NN00 ELIMINATION OR COMPENSATION OF ERROR CAUSE |
NN01 | NN02 | NN03 | NN04 | NN05 | NN06 | NN07 | NN08 | NN09 | NN10 | |
. Interference by background or other components | . Temperatures or heat | . Vibration | . Pressure | . caused by light sources | . caused by optical systems | . . Contamination or deterioration of optical elements | . caused by detectors | . caused by power sources or electric circuits | . Other elimination or compensation of error causes (F) | |||
PP | PP00 OTHER FEATURE |
PP01 | PP02 | PP03 | PP04 | PP05 | PP06 | PP10 | ||||
. Automating measurement | . Considerations for safety or measures for abnormality | . . Preventing malfunctions or misoperations | . Displaying recording or memorising | . . Oscilloscopes or synchroscopes | . Transmitting signals | . Others (F) |