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