Class 367: COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES ( Manual of U.S. Patent Classification )

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Manual of U.S. Patent Classification
as of June 30, 2000


Class
367
COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES


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Subclass Title
ClassTitle ===> COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES
1[Patents]SONAR COUNTER-MEASURES
2[Patents]TRANSPONDERS
3[Patents] . Sonobuoys and sonobuoy systems
4[Patents] . . With component activating or deployment means
5[Patents] . . With plurality of sonobuoys
6[Patents] . With plurality of transponders
7[Patents]ACOUSTIC IMAGE CONVERSION
8[Patents] . Acoustic holography
9[Patents] . . Seismic display
10[Patents] . . Liquid or deformable surface holography
11[Patents] . With memory means
12[Patents]BEAM STABILIZATION OR COMPENSATION
13[Patents]TESTING, MONITORING, OR CALIBRATING
14[Patents]SEISMIC PROSPECTING
15[Patents] . Offshore prospecting
16[Patents] . . Transducer position control
17[Patents] . . . Hydromechanical
18[Patents] . . . Fluid variation
19[Patents] . . Transducer cable location determination
20[Patents] . . Multiple hydrophone cable systems
21[Patents] . . Signal processing
22[Patents] . . . Transducer output weighting
23[Patents] . . . Controlled source signalling
24[Patents] . . . Reverberation removal
25[Patents] . Well logging
26[Patents] . . Threshold set system
27[Patents] . . Time interval measurement
28[Patents] . . Amplitude measurement
29[Patents] . . . Peak amplitude
30[Patents] . . . Amplitude comparison
31[Patents] . . . Of noncompressional acoustic wave energy
32[Patents] . . . Frequency dependent determination
33[Patents] . . Depth recording or control
34[Patents] . . Received signal cycle discrimination
35[Patents] . . Borehole or casing condition
36[Patents] . Land-refraction type
37[Patents] . Land-reflection type
38[Patents] . . Signal analysis and/or correction
39[Patents] . . . Random signal correlation
40[Patents] . . . Received correlation
41[Patents] . . . Transmitted correlation
42[Patents] . . . Standard correlation
43[Patents] . . . Filters
44[Patents] . . . . Comb filters
45[Patents] . . . . Adaptive filters
46[Patents] . . . . Inverse filters
47[Patents] . . . Amplitude
48[Patents] . . . Phase
49[Patents] . . . Frequency
50[Patents] . . . Timing correction
51[Patents] . . . . Dynamic timing correction
52[Patents] . . . . . Normal moveout
53[Patents] . . . . For dip
54[Patents] . . . . For weathering layer
55[Patents] . . . Timing mark generation
56[Patents] . . . Particular source-receiver array
57[Patents] . . . . Vertical receiver or source array
58[Patents] . . . By receiver pattern arrangement
59[Patents] . . . Compositing system
60[Patents] . . . . Special digital system
61[Patents] . . . . Beam steering
62[Patents] . . . . Array weighting
63[Patents] . . . . With preliminary signal processing
64[Patents] . . . Optical processing
65[Patents] . . . Gain control
66[Patents] . . . . Analog/digital compatible systems
67[Patents] . . . . Digital
68[Patents] . . Display systems
69[Patents] . . . Well logging type
70[Patents] . . . Color
71[Patents] . . . CRT
72[Patents] . . . 3-D
73[Patents] . . Synthetic seismograms and models
74[Patents] . . Format conversion
75[Patents] . . Shear wave
76[Patents] . . Telemetry
77[Patents] . . . Radio wave
78[Patents] . . . Multiplex
79[Patents] . . . . Time
80[Patents] . . . . Frequency
81[Patents]WELLBORE TELEMETERING
82[Patents] . Through drill string or casing
83[Patents] . Through well fluids
84[Patents] . . Rotary valve control
85[Patents] . . Linear valve control
86[Patents]BOREHOLE TESTING
87[Patents]ECHO SYSTEMS
88[Patents] . Side scanning or contour mapping sonar systems
89[Patents] . Speed determination
90[Patents] . . By doppler effect
91[Patents] . . . Vehicle mounted system for determining vehicle speed
92[Patents] . Parametric sonar
93[Patents] . Presence or movement only detection
94[Patents] . . By doppler effect
95[Patents] . Returned signal used for control
96[Patents] . . External device
97[Patents] . . Receiver system
98[Patents] . . . Automatic gain or threshold control
99[Patents] . Distance or direction finding
100[Patents] . . With correlation or matched filtering
101[Patents] . . Frequency modulation
102[Patents] . . . Linear modulation (e.g., sawtooth)
103[Patents] . . With beam steering, scanning, or focussing
104[Patents] . . . By transducer movement
105[Patents] . . . Transducer switching or gating
106[Patents] . . With towing
107[Patents] . . With indicator
108[Patents] . . . Digital readout
109[Patents] . . . Rotating lamp
110[Patents] . . . Color display
111[Patents] . . . Luminous array
112[Patents] . . . Alarm
113[Patents] . . . Cathode-ray tube
114[Patents] . . . Meter
115[Patents] . . . Permanent record
116[Patents] . . . Audible or tactile
117[Patents]PLURAL TRANSMITTERS TO RECEIVER OR TRANSMITTER TO PLURAL RECEIVERS
197[Patents]SELECTIVE (E.G., REMOTE CONTROL)
198[Patents] . Humanly generated sound or speech responsive (e.g., human whistle)
199[Patents] . Frequency responsive actuation
118[Patents]DISTANCE OR DIRECTION FINDING
119[Patents] . With beam steering, scanning, or focussing
120[Patents] . . By transducer movement
121[Patents] . . By electrical means
122[Patents] . . . Transducer switching or gating
123[Patents] . . . With phase shifter or delay means
124[Patents] . By combining or comparing signals
125[Patents] . . Phase comparison and/or correlation
126[Patents] . . Addition or subtraction
127[Patents] . With time interval measuring means
128[Patents] . With electromagnetic wave
129[Patents] . With plurality of transducers
130[Patents] . With towing
131[Patents]UNDERWATER SYSTEM
132[Patents] . Analog speech communication
133[Patents] . Remote control
134[Patents] . Telemetering
135[Patents]RECEIVER CIRCUITRY
136[Patents] . Responsive to intruder energy
137[Patents]TRANSMITTER SYSTEMS
138[Patents] . With beam forming, shaping, steering, or scanning
139[Patents] . Animal control
140[Patents]SIGNAL TRANSDUCERS
141[Patents] . Underwater type
142[Patents] . . Exclusive-type transmitter
143[Patents] . . . Hydraulically driven vibrator
144[Patents] . . . Air guns
145[Patents] . . . Explosives
146[Patents] . . . Implosion devices
147[Patents] . . . Spark discharge devices
148[Patents] . . . Electrically driven underwater bells or sirens
149[Patents] . . Exclusive-type receiver
150[Patents] . . With modifying lens
151[Patents] . . With reflector
152[Patents] . . With impedance matching means
153[Patents] . . Plural transducer array
154[Patents] . . . Line array
155[Patents] . . . Piezoelectric
156[Patents] . . . Magnetostrictive
157[Patents] . . Piezoelectric
158[Patents] . . . Head and tail mass
159[Patents] . . . Elongated cylindrical element
160[Patents] . . . Bending type
161[Patents] . . . . Multimorph
162[Patents] . . . With resonant or damping structure
163[Patents] . . . With diaphragm
164[Patents] . . . Single element having a plurality of electrodes
165[Patents] . . . Specific support structure
166[Patents] . . . Liquid filled
167[Patents] . . . Pressure compensating means
168[Patents] . . Magnetostrictive
169[Patents] . . Elongated continuous type
170[Patents] . . Electret
171[Patents] . . Liquid filled transducer
172[Patents] . . Transducer with pressure compensating means
173[Patents] . . Transducer with support
174[Patents] . . Transducer with diaphragm
175[Patents] . . . Diaphragm with electric driving coil
176[Patents] . . Transducer with resonant or damping structure
177[Patents] . Towed land cables
178[Patents] . Receivers
179[Patents] . . Pendulum type
180[Patents] . . Piezoelectric
181[Patents] . . Capacitive
182[Patents] . . Moving coil
183[Patents] . . . Spider spring
184[Patents] . . . Having arcuate movement
185[Patents] . . Moving magnet
186[Patents] . . . Having arcuate movement
187[Patents] . . . Spider spring
188[Patents] . . Casing or housing
189[Patents] . Vibrator-type transmitter
190[Patents] . . With feedback control
191[Patents]MISCELLANEOUS
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CROSS-REFERENCE ART COLLECTIONS
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900[Patents]SONAR TIME VARIED GAIN CONTROL SYSTEMS
901[Patents]NOISE OR UNWANTED SIGNAL REDUCTION IN NONSEISMIC RECEIVING SYSTEM
902[Patents]SPEED OF SOUND COMPENSATION
903[Patents]TRANSMIT-RECEIVE CIRCUITRY
904[Patents]DOPPLER COMPENSATION SYSTEMS
905[Patents]SIDE LOBE REDUCTION OR SHADING
906[Patents]AIRBORNE SHOCK-WAVE DETECTION
907[Patents]COORDINATE DETERMINATION
908[Patents]MATERIAL LEVEL DETECTION, E.G., LIQUID LEVEL
909[Patents]COLLISION AVOIDANCE
910[Patents]PORTABLE SONAR DEVICES
911[Patents]PARTICULAR WELL-LOGGING APPARATUS
912[Patents] . Particular transducer


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Last Modified: 6 October 2000