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2G017 | Measuring magnetic variables | |
G01R33/00 -33/26 |
G01R33/00-33/18 | AA | AA00 MEASURED MAGNETIC CHARGE |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
. Magnetic fields | . . Intensity | . . Orientation | . Magnetic flux | . . Amount | . . Orientation | . . Magnetic flux density | . Magnetic charge distribution | . Induced magnetic force | . Magnetic resistance | |||
AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | |||||||
. Magnetic potential difference | . Polarity | . Type of magnetic field | . . Direct current | . . Alternating current | . . Ground | |||||||
AB | AB00 ERROR FACTORS |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | ||
. Floating magnetic fields | . . Ground magnetism | . . Residual Magnetism | . Interfering electrical fields | . Temperature | . Vibration | . Errors unique to the detecting means | . Circuit element errors | . Offset error | ||||
AC | AC00 PERIPHERAL DEVICES OF THE DETECTING MEANS |
AC01 | AC02 | AC03 | AC04 | AC05 | AC06 | AC07 | AC08 | AC09 | ||
. Magnetic shields | . Floating magnetic field elimination | . Electrical field shields | . Temperature countermeasures | . Vibration damping | . Casing and support means | . Magnetic flux conducting and magnetic flux collecting means | . Probes | . Addition of bias magnetic fields | ||||
AD | AD00 DETECTING MEANS |
AD01 | AD02 | AD03 | AD04 | AD05 | AD06 | AD07 | AD08 | AD10 | ||
. Electromagnetic induction methods | . . Search coils | . . . Structures | . . . . Coils | . . . . Cores | . . . Magnetic fluxmeters | . . . Rotary coil types | . . . Ballistic galvanometers | . Electrodynamic effects | ||||
AD11 | AD12 | AD13 | AD14 | AD15 | AD17 | AD18 | AD20 | |||||
. Magneto-optical effects | . . Faraday effect | . . Kerr Effect | . . Element structures | . . Peripheral optical circuits | . Charged particle deflection | . . Electron beams | . Magnetic material adhesion | |||||
AD21 | AD22 | AD23 | AD24 | AD27 | AD28 | AD29 | ||||||
. Variants using permanent magnets | . . Magnetometers | . . . Displacement methods | . . . Vibration cycle methods | . Magnetic oscillation elements | . . Magnetic wires | . . . Wiegand wires | ||||||
AD31 | AD32 | AD33 | AD34 | AD35 | AD36 | AD37 | AD38 | AD39 | AD40 | |||
. Using superconducting devices | . . Superconducting quantum interference devices (SQUID) | . . . Structures | . . . . DC-SQUID's | . . . . RF-SQUID's | . . . . Junction forms | . . . . . Point contact | . . . . . Bridge-type junctions | . . . . . Tunnel-type junctions | . . . Measuring circuits | |||
AD41 | AD42 | AD43 | AD44 | AD45 | AD46 | AD47 | AD48 | AD49 | ||||
. Frequency multiplication magnetic modulation | . . Flux gates | . . Magnetic thin films | . . . Magnetic wires | . . Structures | . . . Core and thin film | . . . Coil | . . . Variants parallel to the magnetizing field | . . . Variants perpendicular to the magnetizing field | ||||
AD51 | AD52 | AD53 | AD54 | AD55 | AD56 | AD57 | AD58 | AD59 | AD60 | |||
. Galvanomagnetic effects | . . Hall effects | . . . Hall elements | . . Magnetic resistance effects | . . . Magnetic resistance effect elements | . . Composition | . . . Diodes | . . . Transistors | . . . Composite elements | . . Materials | |||
AD61 | AD62 | AD63 | AD64 | AD65 | AD66 | AD69 | ||||||
. . . Semiconductors | . . . Metals | . . . Magnetic materials | . . Forms | . . . Thin films | . . . Bulk | . Other magnetic effects | ||||||
BA | BA00 CIRCUIT ELEMENTS OF MEASURING SYSTEMS |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | BA10 | |
. Magnetizing power sources | . . Direct current | . . Alternating current | . . . Superimposing direct current | . Detection circuits | . . Deflection methods | . . Compensation methods | . . Null methods | . . . Bridge method | . Compensation circuits | |||
BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | |||||
. Conversion operation circuits | . . Decoding | . . Detection | . Transmission circuits | . Data processing circuits | . Recording and display circuits | . . Automatic recording | . . Image display | |||||
G01R33/12-33/18 | CA | CA00 MEASURED MAGNETIC CHARACTERISTICS |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 |
. Measurement of magnetization | . . Magnetization curves | . . . Hysteresis | . . Coercive force | . . Residual magnetization | . . Saturation magnetization | . . . Squareness ratio | . . Magnetization rate | . . Permeability rate | . Magnetic anisotrophy | |||
CA11 | CA12 | CA13 | CA14 | CA15 | CA17 | CA18 | CA19 | CA20 | ||||
. Magnetic distortion characteristics | . Magnetic domain observation | . Current-magnetic characteristics | . Magneto-optical characteristics | . Superconduction characteristics | . Loss | . . Hysteresis loss | . . Excessive current loss | . High frequency magnetic characteristics | ||||
CA21 | CA22 | CA24 | CA26 | CA27 | CA28 | CA29 | ||||||
. . Effective resistance | . . Inductance | . Curie point | . Recording and playback characteristics | . . Defects | . . Errors | . . Noise | ||||||
CB | CB00 SAMPLES |
CB01 | CB02 | CB03 | CB04 | CB05 | CB06 | CB07 | CB08 | CB10 | ||
. Form | . . Solids | . . . Rigid materials | . . . Powders | . . Fluids | . . . Liquids | . . . Gases | . . Structures | . Materials | ||||
CB11 | CB12 | CB13 | CB14 | CB15 | CB16 | CB17 | CB18 | CB20 | ||||
. . Metals | . . Alloys | . . Compounds | . . Oxides | . . Strongly magnetic materials | . . . Copper materials | . . . Ferrites | . . . Permanent magnets | . Shapes | ||||
CB21 | CB22 | CB23 | CB24 | CB26 | CB27 | CB28 | CB29 | |||||
. . Ring-shaped | . . Rod-shaped | . . Plate-like | . . Thin film-like | . Magnetic recording media | . . Tapes | . . Disks | . . Drums | |||||
CC | CC00 MEASURING CONDITIONS |
CC01 | CC02 | CC03 | CC04 | CC06 | CC07 | CC08 | ||||
. Magnetization methods | . . Alternating current | . . Direct current | . . Bias addition | . Temperature | . Vibration | . Stress | ||||||
CD | CD00 MEASURING MEANS |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | CD07 | CD08 | CD09 | CD10 | |
. Ballistic galvanometer methods | . Magnetic fluxmeter methods | . Magnetometer methods | . Magnetic permeability methods | . Calorimeter methods | . Energy meter methods | . . Epstein test devices | . AC hysteresis loop methods | . Vector meter methods | . Methods using attracting force | |||
CD11 | CD12 | CD13 | CD14 | |||||||||
. Charge (Q) meter methods | . AC bridge methods | . Strain gauge methods | . Powder pattern methods |