US Patent Class 702
DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  MEASUREMENT SYSTEM IN A SPECIFIC ENVIRONMENT
2  DF  .~ Earth science
3  DF  .~.~ Weather
4  DF  .~.~.~ Lightning
5  DF  .~.~ Topography (e.g., land mapping)
6  DF  .~.~ Well logging or borehole study
7  DF  .~.~.~ By induction or resistivity logging tool
8  DF  .~.~.~ By radiation (e.g., nuclear, gamma, X-ray)
9  DF  .~.~.~ Drilling
10  DF  .~.~.~ Dipmeter
11  DF  .~.~.~ Formation characteristic
12  DF  .~.~.~.~ Fluid flow investigation
13  DF  .~.~.~.~.~ Hydrocarbon prospecting
14  DF  .~.~ Seismology
15  DF  .~.~.~ Earthquake or volcanic activity
16  DF  .~.~.~ Specific display system (e.g., mapping, profiling)
17  DF  .~.~.~ Filtering or noise reduction/removal
18  DF  .~.~.~ Velocity of seismic wave
19  DF  .~ Biological or biochemical
20  DF  .~.~ Gene sequence determination
21  DF  .~.~ Cell count or shape or size analysis (e.g., blood cell)
22  DF  .~ Chemical analysis
23  DF  .~.~ Quantitative determination (e.g., mass, concentration, density)
24  DF  .~.~.~ Gaseous mixture (e.g., solid-gas, liquid-gas, gas-gas)
25  DF  .~.~.~ Liquid mixture (e.g., solid-liquid, liquid-liquid)
26  DF  .~.~.~ By particle count
27  DF  .~.~ Molecular structure or composition determination
28  DF  .~.~.~ Using radiant energy
29  DF  .~.~ Particle size determination
30  DF  .~.~ Chemical property analysis
31  DF  .~.~ Specific operation control system
32  DF  .~.~ Specific signal data processing
33  DF  .~ Mechanical measurement system
34  DF  .~.~ Wear or deterioration evaluation
35  DF  .~.~ Flaw or defect detection
36  DF  .~.~.~ Location
38  DF  .~.~.~ Electromagnetic (e.g., eddy current)
39  DF  .~.~.~ Sound energy (e.g., ultrasonic)
40  DF  .~.~.~ Radiant energy (e.g., X-ray, infrared, laser)
41  DF  .~.~ Force or torque measurement
42  DF  .~.~.~ Stress or strain measurement
43  DF  .~.~.~.~ Torsional, shear, tensile, or compression
44  DF  .~.~.~ Mechanical work or power measurement
45  DF  .~.~ Flow metering
46  DF  .~.~.~ Count or pulse
47  DF  .~.~.~ Pressure, resistive, or capacitive sensor
48  DF  .~.~.~ Acoustic
49  DF  .~.~.~ Radiant energy
50  DF  .~.~ Fluid measurement (e.g., mass, pressure, viscosity)
51  DF  .~.~.~ Leak detecting
52  DF  .~.~.~ Capacitive sensor
53  DF  .~.~.~ Resistive sensor
54  DF  .~.~.~ Acoustic or vibration sensor
55  DF  .~.~.~ Liquid level or volume determination
56  DF  .~.~ Vibration detection
57  DF  .~ Electrical signal parameter measurement system
58  DF  .~.~ For electrical fault detection
59  DF  .~.~.~ Fault location
60  DF  .~.~ Power parameter
61  DF  .~.~.~ Power logging (e.g., metering)
62  DF  .~.~.~.~ Including communication means
63  DF  .~.~.~ Battery monitoring
64  DF  .~.~ Voltage or current
65  DF  .~.~.~ Including related electrical parameter
66  DF  .~.~ Waveform analysis
67  DF  .~.~.~ Display of waveform
68  DF  .~.~.~.~ Having specified user interface (e.g., marker, menu)
69  DF  .~.~.~ Signal quality (e.g., timing jitter, distortion, signal-to-noise ratio)
70  DF  .~.~.~ Waveform extraction
71  DF  .~.~.~ Waveform-to-waveform comparison
72  DF  .~.~.~.~ Phase comparison
73  DF  .~.~.~.~ Identification of waveform
74  DF  .~.~.~.~ Signal-in-signal determination
75  DF  .~.~.~ Frequency
76  DF  .~.~.~.~ Frequency spectrum
77  DF  .~.~.~.~.~ Using Fourier method
78  DF  .~.~.~.~ By count (e.g., pulse)
79  DF  .~.~ Time-related parameter (e.g., pulse-width, period, delay, etc.)
80  DF  .~.~ Specified memory location generation for storage
81  DF  .~ Quality evaluation
82  DF  .~.~ Having judging means (e.g., accept/reject)
83  DF  .~.~ Sampling Inspection Plan
84  DF  .~.~ Quality control
85  DF  CALIBRATION OR CORRECTION SYSTEM
86  DF  .~ Linearization of measurement
87  DF  .~ Zeroing (e.g., null)
88  DF  .~ Zero-full scaling
89  DF  .~ Timing (e.g., delay, synchronization)
90  DF  .~ Error due to component compatibility
91  DF  .~.~ Having interchangeable sensors or probes
92  DF  .~ Direction (e.g., compass)
93  DF  .~.~ By another sensor
94  DF  .~ Position measurement
95  DF  .~.~ Coordinate positioning
96  DF  .~ Speed
97  DF  .~ Length, distance, or thickness
98  DF  .~ Pressure
99  DF  .~ Temperature
100  DF  .~ Fluid or fluid flow measurement
101  DF  .~ Weight
102  DF  .~.~ Tare weight adjusted
103  DF  .~ Acoustic
104  DF  .~ Sensor or transducer
105  DF  .~ For mechanical system
106  DF  .~ Signal frequency or phase correction
107  DF  .~ Circuit tuning (e.g., potentiometer, amplifier)
108  DF  TESTING SYSTEM
109  DF  .~ For transfer function determination
110  DF  .~.~ Binary signal stimulus (e.g., pulse)
111  DF  .~.~ Noise signal stimulus (e.g., white noise)
112  DF  .~.~ Sinusoidal signal stimulus
113  DF  .~ Of mechanical system
114  DF  .~.~ Pneumatic or hydraulic system
115  DF  .~.~ Electromechanical or magnetic system
116  DF  .~ Of sensing device
117  DF  .~ Of circuit
118  DF  .~.~ Testing multiple circuits
119  DF  .~.~ Including program initialization (e.g., program loading) or code selection (e.g., program creation)
120  DF  .~.~ Including input/output or test mode selection means
121  DF  .~ Including multiple test instruments
122  DF  .~ Including specific communication means
123  DF  .~ Including program set up
124  DF  .~ Signal generation or waveform shaping
125  DF  .~.~ Timing signal
126  DF  .~.~ Signal conversion
127  DF  MEASUREMENT SYSTEM
128  DF  .~ Article count or size distribution
129  DF  .~.~ Quantitative determination by weight
130  DF  .~ Temperature measuring system
131  DF  .~.~ Body temperature
132  DF  .~.~ Thermal protection
133  DF  .~.~ By resistive means
134  DF  .~.~ By radiant energy
135  DF  .~.~.~ Infrared
136  DF  .~.~ Thermal related property
137  DF  .~ Density
138  DF  .~ Pressure
139  DF  .~.~ Exerted on or by a living body
140  DF  .~.~ Within an enclosure
141  DF  .~ Accelerometer
142  DF  .~ Speed
143  DF  .~.~ By radar or sonar
144  DF  .~.~ Of aircraft
145  DF  .~.~ Rotational speed
146  DF  .~.~.~ Averaging performed
147  DF  .~.~.~ Specific mathematical operation performed
148  DF  .~.~.~.~ For wheel speed
149  DF  .~.~ By distance and time measurement
150  DF  .~ Orientation or position
151  DF  .~.~ Angular position
152  DF  .~.~ 3D position
153  DF  .~.~.~ 3D orientation
154  DF  .~.~ Inclinometer
155  DF  .~ Dimensional determination
156  DF  .~.~ Area or volume
157  DF  .~.~ Radius or diameter
158  DF  .~.~ Linear distance or length
159  DF  .~.~.~ By reflected signal (e.g., ultrasonic, light, laser)
160  DF  .~.~.~ Pedometer
161  DF  .~.~.~ Electronic ruler
162  DF  .~.~.~ Micrometer
163  DF  .~.~.~ By rotary encoding means
164  DF  .~.~.~.~ Electronic tape measure
165  DF  .~.~.~.~ Odometer
166  DF  .~.~ Height or depth
167  DF  .~.~ Contouring
168  DF  .~.~.~ By probe (e.g., contact)
169  DF  .~.~.~ Center of gravity
170  DF  .~.~ Thickness or width
171  DF  .~.~.~ By ultrasonic
172  DF  .~.~.~ By radiant energy (e.g., X-ray, light)
173  DF  .~ Weight
174  DF  .~.~ Payload
175  DF  .~.~ Of moving article
176  DF  .~ Time duration or rate
177  DF  .~.~ Due time monitoring (e.g., medication clock, maintenance interval)
178  DF  .~.~ Timekeeping (e.g., clock, calendar, stopwatch)
179  DF  .~ Statistical measurement
180  DF  .~.~ Histogram distribution
181  DF  .~.~ Probability determination
182  DF  .~ Performance or efficiency evaluation
183  DF  .~.~ Diagnostic analysis
184  DF  .~.~.~ Maintenance
185  DF  .~.~.~ Cause or fault identification
186  DF  .~.~ Computer and peripheral benchmarking
187  DF  .~ History logging or time stamping
188  DF  .~ Remote supervisory monitoring
189  DF  .~ Measured signal processing
190  DF  .~.~ Signal extraction or separation (e.g., filtering)
191  DF  .~.~.~ For noise removal or suppression
193  DF  .~.~.~.~ By threshold comparison
194  DF  .~.~.~.~ By mathematical attenuation (e.g., weighting, averaging)
195  DF  .~.~.~.~.~ Subtracting noise component
196  DF  .~.~.~ Using matrix operation
197  DF  .~.~.~.~ Having multiple filtering stages
198  DF  .~.~ Measurement conversion processing (e.g., true-to-RMS value)
199  DF  .~.~ Averaging
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FOREIGN ART COLLECTIONS
*********************************
*  DD  APPLICATIONS (364/400)
FOR 100  DF  .~ Earth sciences (e.g., weather) (364/420)
FOR 101  DF  .~.~ Seismology (364/421)
FOR 102  DF  .~.~ Well logging (364/422)
*  DD  APPLICATIONS (364/400)
FOR 103  DF  .~ Electrical/electronic engineering (364/480)
FOR 104  DF  .~.~ Measuring or testing (364/481)
FOR 105  DF  .~.~.~ Impedance (364/482)
FOR 106  DF  .~.~.~ Voltage, current, or power (364/483)
FOR 107  DF  .~.~.~ Frequency (364/484)
FOR 108  DF  .~.~.~.~ Frequency spectrum (364/485)
FOR 109  DF  .~.~.~ Pulse (364/486)
FOR 110  DF  .~.~.~ Waveform (364/487)
*  DD  APPLICATIONS (364/400)
*  DD  .~ Electrical/electronic engineering (364/480)
FOR 111  DF  .~.~ Power generation or distribution (364/492)
FOR 112  DF  .~.~.~ Economic dispatching (364/493)
FOR 113  DF  .~.~.~ Turbine or generator control (364/494)
FOR 114  DF  .~.~.~ With model (364/495)
FOR 115  DF  .~ Chemical and engineering sciences (364/496)
FOR 116  DF  .~.~ Chemical analysis (364/497)
FOR 117  DF  .~.~.~ Spectrum analysis (composition) (364/498)
FOR 118  DF  .~.~.~ Chemical property (364/499)
FOR 119  DF  .~.~ Chemical process control (364/500)
FOR 120  DF  .~.~.~ Distillation (364/501)
FOR 121  DF  .~.~.~ Physical mixing or separation (364/502)
FOR 122  DF  .~.~.~ Kilns (364/503)
FOR 123  DF  .~.~ Mechanical and civil engineering (364/505)
FOR 124  DF  .~.~.~ Measuring or testing (364/506)
FOR 125  DF  .~.~.~.~ Flaw or defect (364/507)
FOR 126  DF  .~.~.~.~ Stress, strain, or vibration (364/508)
FOR 127  DF  .~.~.~.~ Fluid (364/509)
FOR 128  DF  .~.~.~.~.~ Fluid flow (364/510)
FOR 129  DF  .~.~.~.~ Power (364/511)
*  DD  APPLICATIONS (364/400)
FOR 130  DF  .~ Physics (364/524)
FOR 131  DF  .~.~ Optics or photography (364/525)
FOR 132  DF  .~.~.~ Color analysis (364/526)
FOR 133  DF  .~.~ Atomic or nuclear physics (364/527)
FOR 134  DF  MEASURING, TESTING, OR MONITORING (364/550)
FOR 135  DF  .~ Measuring and evaluating (e.g., performance) (364/551.01)
FOR 136  DF  .~.~ Of machine tool (364/551.02)
FOR 137  DF  .~.~ Quality control determinations (364/552)
FOR 138  DF  .~.~ Transfer function evaluation (364/553)
FOR 139  DF  .~.~ Statistical data (e.g., stochastic variable) (364/554)
FOR 140  DF  .~.~ Particle count, distribution, size (364/555)
FOR 141  DF  .~ For basic measurements (364/556)
FOR 142  DF  .~.~ Temperature (364/557)
FOR 143  DF  .~.~ Pressure or density (364/558)
FOR 144  DF  .~.~ Orientation (364/559)
FOR 145  DF  .~.~ Dimension (364/560)
FOR 146  DF  .~.~.~ Distance (364/561)
FOR 147  DF  .~.~.~.~ Length or height (364/562)
FOR 148  DF  .~.~.~.~ Width or thickness (364/563)
FOR 149  DF  .~.~.~ Area or volume (364/564)
FOR 150  DF  .~.~ Rate of change of dimension (e.g., speed) (364/565)
FOR 151  DF  .~.~ Acceleration and further derivatives (364/566)
FOR 152  DF  .~.~ Weight (364/567)
FOR 153  DF  .~.~.~ Basis weight (364/568)
FOR 154  DF  .~.~ Time or time intervals (364/569)
FOR 155  DF  .~ Operations performed (364/570)
FOR 156  DF  .~.~ Calibration or compensation
FOR 157  DF  .~.~.~ Having mathematical operation on initial measurement data (364/571.02)
FOR 158  DF  .~.~.~.~ Including environmental factors (e.g., temperature) (364/571.03)
FOR 159  DF  .~.~.~.~ Including predetermined stored data (364/571.04)
FOR 160  DF  .~.~.~.~ Using difference involving initial measurement data (364/571.05)
FOR 161  DF  .~.~.~.~ Using analog calculating elements (364/571.06)
FOR 162  DF  .~.~.~ By table look-up (364/571.07)
FOR 163  DF  .~.~.~ Using operator provided data (364/571.08)
FOR 164  DF  .~.~ Filtering (364/572)
FOR 165  DF  .~.~ Linearization (364/573)
FOR 166  DF  .~.~ Noise reduction (364/574)
FOR 167  DF  .~.~ Averaging (364/575)
FOR 168  DF  .~.~ Fourier analysis (364/576)
FOR 169  DF  .~.~ Interpolation/extrapolation (364/577)
FOR 170  DF  .~.~ With control of testing or measuring apparatus (364/579)
FOR 171  DF  .~.~ Programmed testing conditions (364/580)
FOR 172  DF  .~.~ Weighting (364/581)
FOR 173  DF  .~.~ Normalization (364/582)