F-Term-List

2G064 Measurement of mechanical vibrations or ultrasonic waves
G01H1/00 -17/00@Z
G01H1/00-17/00@Z AA AA00
SUBJECTS OF MEASUREMENT
AA01 AA02 AA03 AA04 AA05 AA06
. Facilities . . Nuclear reactors or peripheral equipment therefor . . . Loose parts in nuclear reactors . . Pipelines . . Buildings . . . Damage to glass or walls
AA11 AA12 AA13 AA14 AA15 AA16 AA17
. Equipment or parts therefor . . Electric equipment or parts therefor . . Machine tools or parts therefor . . Automobiles, vehicles, or ships, or parts therefor . . . Engines (e.g., internal-combustion engines, excluding knocking) . . Musical instruments . . Bearings or shafts
AB AB00
MEASURED PHENOMENA OR MEASUREMENT CONDITIONS
AB01 AB02 AB03 AB04 AB05 AB06 AB07 AB08 AB09 AB10
. Frequency . Amplitude . Direction or position . Energy . Propagation speed . Distribution . Vibrations perpendicular to the direction of propagation . Longitudinal vibrations . Shock waves or surface acoustic waves . Torsional vibrations
AB11 AB12 AB13 AB14 AB15 AB16 AB17 AB18 AB19 AB20
. Resonance characteristics . Transmission functions . Sounds . . Voices . . . Noise . . Echos or acoustic characteristics . . . Reverberation time . . Sound fields . Earthquakes . Waves
AB21 AB22 AB23 AB24 AB26 AB27 AB28 AB29
. Identification of subjects . Detection of faults . Variants for measurement of other physical quantities . Other measured subjects . Measurement under specific conditions . . Measurements under high-temperature or low-temperature conditions . . Measurements during temperature changes . . Underwater measurements
AC AC00
DETECTION OF KNOCKING
AC01 AC02 AC03 AC04 AC05 AC06
. Forms of detection . . Determination of knocking cylinder by cylinder . . Extent of knocking . . Detection especially suited for regions of high rotation . . Detection especially suited for regions of low rotation . . Detection especially suited for excessive rotation
AC11 AC12 AC13 AC14 AC15
. Location of sensor mounting . . Cylinder block . . Plug position . . Cooling-water chamber . . Locations especially suited for detection in multiple cylinders
AC21 AC22 AC23 AC24 AC25 AC26 AC27 AC28
. Detection signals . . Vibrations . . Sounds . . Use of auxiliary signals with detection signals . . . Auxiliary signals . . . . Number of revolutions . . . . Load . . . . Crank angle
AC31 AC32 AC33 AC34 AC35 AC36 AC37 AC38 AC40
. . . Additional uses of auxiliary signals . . . . Use for measuring vibrations or the like . . . . . Use for measuring of measurement periods or timing . . . . . Use for selection of sensors . . . . Use for working data on vibrations or the like . . . . . Use for averaging . . . . . Use for amplitude . . . . . Use for selection of filters . . . . Use for algorithms that determine knocking
AC41 AC42 AC43 AC44 AC45 AC46 AC47 AC48 AC49
. Algorithms that determine knocking . . Comparison of knock signals and references . . . Algorithms that use multiplication . . . . Variable algorithms . . . Reference signals . . . . Algorithms that do not include knock data . . . . . Algorithms that use independent sensors . . . . . Algorithms that use filters . . . . Algorithms that include knock data
AC51 AC52 AC53 AC54 AC56 AC60
. . . . Methods of creating reference signals . . . . . Determination of mean values . . . . . Integration . . . . . Inclusion of data from the previous time . . Determination of knocking cylinders . Other knocking detection
BA BA00
FEATURES COMMON TO VIBRATION MEASURING MEANS
BA01 BA02 BA03 BA04 BA05 BA07 BA08
. Forms . . Ability to sense vibration magnitude . . Direction of sensing . . Means that specifically eliminate directionality . . Means that specifically increase directionality . Sensor assembly . Arrangement of sensor component elements
BA11 BA12 BA13 BA14 BA15 BA16 BA17 BA18 BA19
. Measurement of sensing-element characteristics . Correction . . Temperature correction . Calibration or adjustment . Attachment of instruments for measuring . . Grip-type instruments . . . Structure of tip sections . . . Gripping devices . . . Pressure adjustment
BA21 BA22 BA23 BA24 BA25 BA26 BA28 BA30
. . Attachment structures . . . Attachment bases . . . . Structures that use resonance characteristics . . . . Horizontal attachment . . . . . Use of fluids . . . Additional attachment of other members . . Selection of attachment location . Other common features
BB BB00
MECHANICAL MEASUREMENT MEANS
BB01 BB02 BB03 BB04 BB05 BB06 BB08 BB10
. Forms of mechanical measurement means . . Use of inertial bodies . . . Weights . . . . Means that detect displacement . . . . . Horizontal displacement . . . . . Vertical displacement . . . . Inverted means . . . Steel balls
BB11 BB12 BB13 BB14 BB16 BB18 BB20
. . . . Means that detect displacement . . . . Means that detect slipped balls . . . . . Balls that operate fluid valves . . . . . Balls that constitute valves . . . . Multiple balls . . . Means that use fluids as inertial bodies . . . Detection locations
BB21 BB22 BB23
. . . . Detection at the displacement end-point . . . . Detection at stationary locations (i.e., base locations) . . . . . Detection of base changes
BB31 BB32 BB33 BB34 BB35 BB36 BB37 BB38 BB39 BB40
. Structure . . Support structures of inertial bodies . . . Springs . . . . Multiple directions . . . Magnetic force . . . . Magnetic inertial bodies . . . . Structures that use repulsion . . . Structures that use support surface shape . . . . Concave surfaces . . . . . Concave surfaces and grooves
BB41 BB42 BB43 BB44 BB45 BB47 BB48 BB49 BB50
. . . . Grooves . . . Structures that use pressure . . . Hanging structures . . . . Removable structures . . . Structures that are simply laid in place . . Structures for increased sensitivity . . . Use of convex surfaces . . . Inverted structures . . . . Structures that use weights
BB51 BB55 BB56 BB57 BB58 BB59 BB60
. . Means of adjustment . Means of detection . . Mechanical means of detection . . . Means that operate valves . . . . Means that operate valves by inertial bodies . . . . . Inertial bodies that constitute valves . . . Means that operate switches
BB61 BB64 BB65 BB66 BB67 BB68 BB70
. . . . Means that operate switches using inertial bodies . . Electrical detection means . . Magnetic detection means . . Optical detection means . . Acoustic detection means . Reset means . Other mechanical means of measurement
BC BC00
OPTICAL MEANS OF MEASUREMENT
BC01 BC02 BC03 BC04 BC05 BC06 BC07 BC08 BC10
. Detection methods . . Optical quantities . . Light-beam position . . Degree of parallelism . . Doppler effect . . Interference . . . Holography . . . Speckle interference . . Moire techniques
BC11 BC12 BC13 BC14 BC15 BC16 BC17 BC18 BC19 BC20
. Main optical means . . Fibers . . . Use of changes in characteristics . . Mirrors . . . Half-mirrors . . . Curved mirrors . . Prisms . . . Use of critical angles . . Lenses . . Lattices
BC21 BC22 BC23 BC24 BC25 BC26
. . Light-blocking plates . . Electro-optical elements . . . Liquid crystals . . . Optical conversion elements . . . . Position-sensitive light detectors (PSD) . . Means that use changes in light-path length
BC31 BC32 BC33 BC34 BC35 BC37 BC40
. Light sources . . Lasers . . Pulsed light . . Light-emitting elements . . . Light-emitting diodes . Hydrophones . Other optical means of measurement
BD BD00
ELECTRICAL MEANS OF MEASUREMENT
BD01 BD02 BD03 BD04 BD05 BD08 BD09 BD10
. Form . . Means wherein electrical characteristics change . . . Variants wherein resistance changes . . . . Strain gauge structures . . . Variants wherein electrostatic capacitance changes . . Means that use changes in magnetic force . . . Means that vary magnetic force . . . . Variants that use electromagnets
BD11 BD12 BD13 BD14 BD15 BD16 BD17 BD18 BD19 BD20
. . . . Variants that use permanent magnets . . . . Variants that use induction coils or the like . . . . Variants that use magnetic bodies . . . Means of detection . . . . Coils . . . . Hall elements . . Variants that use changes in electrical output . . . Piezoelectric elements . . Means that detect after conversion to another physical quantity . . . Means that convert sound volume
BD21 BD22 BD23 BD24 BD25 BD26 BD27 BD28 BD29 BD30
. Structure . . Variants that use resonance plates . . . Variants with elements spread out over resonance plates . . . . Multiple elements . . . Variants wherein the elements themselves double as resonance plates . . . Resonance plates . . . . Clad structures . . . . . Partially clad structures . . . . Shape . . . . . Compressed shapes
BD31 BD32 BD33 BD34 BD35 BD36
. . . . . Changes in thickness . . . . . . Compressed thickness . . . . . Variants with multiple vibration plates formed as a unit . . . . . Screws . . . . . Disks . . . . . . Donut-like disks
BD41 BD42 BD43 BD44 BD45 BD46 BD47 BD48 BD50
. . . Forms of support . . . . Center support . . . . Variants with one plate secured . . . . . Variants wherein weights are provided at the ends of the plates . . . . . Variants wherein weights are provided in the middle of the plates . . . . . Variants wherein the weights move . . . . Variants with two ends of a plate secured . . . . . Variants that use weights . . . . Three-directional variants
BD51 BD52 BD53 BD55 BD56 BD57 BD58 BD59 BD60
. . . . Four-directional variants . . . . Multi-directional variants . . . . Circumference support . . . Support structures . . . . Variants with structures for attachment to the plates per se . . . . Support structures that grip . . . . . Intermediate articles . . . . . . Insulation . . . . Support structures attached by welding or adhesion
BD61 BD62 BD63 BD64 BD65 BD66 BD67 BD68 BD69 BD70
. . Variants that hang . . . Variants that pass through springs . . . Variants that pass vertically through springs . . . Variants that pass vertically and horizontally through springs . . . Multi-directional variants . . Variants that use weights . . . Variants that carry weights . . . . Variants that also use springs . . . . Variants that also use screws . . . . Donut-shaped variants
BD71 BD75 BD76 BD77 BD78 BD80
. . Support using magnetic force . . Signal-fetch structures . . . One-sided structures . . . Structures that also serve for attachment . . . Grounding . Other electrical means of measurement
CC CC00
PROCESSING OF MEASURED SIGNALS
CC01 CC02 CC03 CC04 CC05 CC06 CC07 CC08
. Data extraction . . Use of filters . . . Use of multiple filters . . . . Switching between multiple filters . . . Varying of characteristics . . . . Varying of frequency characteristics . . . . Varying of time constant characteristics . . . Compensation for delay caused by filters
CC11 CC12 CC13 CC15 CC16 CC17 CC18 CC19
. . Masking . . . Variable masking . . Processing of signals from multiple sensors . . Baseline (i.e., zero point) processing . . Rectification . . Phase . . Scanning . . Detection
CC21 CC22 CC23 CC24 CC25 CC26 CC27 CC28 CC29 CC30
. Working data . . Amplitude . . . Variable amplitude . . . . Feedback-type variants . . . . Multistage-type variants . . Analog-digital (A/D) conversion . . . Binarization . . Counting . . Calculation . . . Addition and subtraction
CC31 CC32 CC33 CC34 CC35 CC36
. . . Multiplication and division . . . . Squaring . . . Integration . . . Differentiation . . . Averaging . . Delay
CC41 CC42 CC43 CC44 CC45 CC46 CC47
. . Frequency analysis . . . Spectral analysis . . . Fourier transforms . . Histograms . . Statistical techniques . . Time variation . . Correlation analysis
CC51 CC52 CC53 CC54 CC55 CC56 CC57 CC58 CC59 CC60
. Comparison . . Comparison of spectral patterns . . Comparison at specific frequencies . . Comparison with reference values . . . Comparison with multiple reference values . . . Comparison with variable reference values . . . Comparison with reference values established in memory . . . Comparison with reference values established by measured values . . Comparison with previous values . . Comparison periods during which vibration is produced
CC61 CC62 CC63 CC64 CC65 CC70
. Determination and judgment . . Processing after determination that abnormal values have occurred . . . Change of extraction method . . . Change of working methods . . . Change of comparison techniques . Other measured signal processing
DD DD00
DETAILS AND OTHER STRUCTURES
DD01 DD02 DD03 DD04 DD05 DD06 DD07 DD08 DD09 DD10
. Indication . . Means of indication . . . Mechanical indication means . . . . Use of the vibrations per se . . . Acoustic indication means . . . Optical indication means . . . . Band-like means . . . . Graphic indication . . . . . Graphs . . . . . Animated indication
DD11 DD12 DD13 DD14 DD15 DD16 DD17 DD18 DD19
. . Indicated contents . . . Indication of measured phenomena . . . Presence or absence of vibrations or the like . . . Contents particularly associated with the measured object . . . Determination results . Recording . . Direct recording using vibrations . . Electrical recording . Control of instruments for measuring
DD21 DD22 DD23 DD24 DD25 DD26 DD27 DD28 DD29 DD30
. Detection of system or sensor breakdown . . Use of dummy signals . Excitation or sound sources . . Adjustment . . . Adjustment of output . . . Adjustment of frequency . Accessories . Other details . . Electrical components . . . Power sources
DD31 DD32 DD33 DD34 DD35
. . . Connectors . . Mechanical components . . . Jigs . . Chemical components . . . Materials
TOP