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[Search a list of Patent Appplications for class 367]  Class   367COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES
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[List of Patents for class 367 subclass 1]  1           SONAR COUNTER-MEASURES
[List of Patents for class 367 subclass 2]  2           TRANSPONDERS
[List of Patents for class 367 subclass 3]  3           Subclass 3 indent level is 1 Sonobuoys and sonobuoy systems
[List of Patents for class 367 subclass 4]  4           Subclass 4 indent level is 2 With component activating or deployment means
[List of Patents for class 367 subclass 5]  5           Subclass 5 indent level is 2 With plurality of sonobuoys
[List of Patents for class 367 subclass 6]  6           Subclass 6 indent level is 1 With plurality of transponders
[List of Patents for class 367 subclass 7]  7           ACOUSTIC IMAGE CONVERSION
[List of Patents for class 367 subclass 8]  8           Subclass 8 indent level is 1 Acoustic holography
[List of Patents for class 367 subclass 9]  9           Subclass 9 indent level is 2 Seismic display
[List of Patents for class 367 subclass 10]  10           Subclass 10 indent level is 2 Liquid or deformable surface holography
[List of Patents for class 367 subclass 11]  11           Subclass 11 indent level is 1 With memory means
[List of Patents for class 367 subclass 12]  12           BEAM STABILIZATION OR COMPENSATION
[List of Patents for class 367 subclass 13]  13           TESTING, MONITORING, OR CALIBRATING
[List of Patents for class 367 subclass 14]  14           SEISMIC PROSPECTING
[List of Patents for class 367 subclass 15]  15           Subclass 15 indent level is 1 Offshore prospecting
[List of Patents for class 367 subclass 16]  16           Subclass 16 indent level is 2 Transducer position control
[List of Patents for class 367 subclass 17]  17           Subclass 17 indent level is 3 Hydromechanical
[List of Patents for class 367 subclass 18]  18           Subclass 18 indent level is 3 Fluid variation
[List of Patents for class 367 subclass 19]  19           Subclass 19 indent level is 2 Transducer cable location determination
[List of Patents for class 367 subclass 20]  20           Subclass 20 indent level is 2 Multiple hydrophone cable systems
[List of Patents for class 367 subclass 21]  21           Subclass 21 indent level is 2 Signal processing
[List of Patents for class 367 subclass 22]  22           Subclass 22 indent level is 3 Transducer output weighting
[List of Patents for class 367 subclass 23]  23           Subclass 23 indent level is 3 Controlled source signalling
[List of Patents for class 367 subclass 24]  24           Subclass 24 indent level is 3 Reverberation removal
[List of Patents for class 367 subclass 25]  25           Subclass 25 indent level is 1 Well logging
[List of Patents for class 367 subclass 26]  26           Subclass 26 indent level is 2 Threshold set system
[List of Patents for class 367 subclass 27]  27           Subclass 27 indent level is 2 Time interval measurement
[List of Patents for class 367 subclass 28]  28           Subclass 28 indent level is 2 Amplitude measurement
[List of Patents for class 367 subclass 29]  29           Subclass 29 indent level is 3 Peak amplitude
[List of Patents for class 367 subclass 30]  30           Subclass 30 indent level is 3 Amplitude comparison
[List of Patents for class 367 subclass 31]  31           Subclass 31 indent level is 3 Of noncompressional acoustic wave energy
[List of Patents for class 367 subclass 32]  32           Subclass 32 indent level is 3 Frequency dependent determination
[List of Patents for class 367 subclass 33]  33           Subclass 33 indent level is 2 Depth recording or control
[List of Patents for class 367 subclass 34]  34           Subclass 34 indent level is 2 Received signal cycle discrimination
[List of Patents for class 367 subclass 35]  35           Subclass 35 indent level is 2 Borehole or casing condition
[List of Patents for class 367 subclass 36]  36           Subclass 36 indent level is 1 Land-refraction type
[List of Patents for class 367 subclass 37]  37           Subclass 37 indent level is 1 Land-reflection type
[List of Patents for class 367 subclass 38]  38           Subclass 38 indent level is 2 Signal analysis and/or correction
[List of Patents for class 367 subclass 39]  39           Subclass 39 indent level is 3 Random signal correlation
[List of Patents for class 367 subclass 40]  40           Subclass 40 indent level is 3 Received correlation
[List of Patents for class 367 subclass 41]  41           Subclass 41 indent level is 3 Transmitted correlation
[List of Patents for class 367 subclass 42]  42           Subclass 42 indent level is 3 Standard correlation
[List of Patents for class 367 subclass 43]  43           Subclass 43 indent level is 3 Filters
[List of Patents for class 367 subclass 44]  44           Subclass 44 indent level is 4 Comb filters
[List of Patents for class 367 subclass 45]  45           Subclass 45 indent level is 4 Adaptive filters
[List of Patents for class 367 subclass 46]  46           Subclass 46 indent level is 4 Inverse filters
[List of Patents for class 367 subclass 47]  47           Subclass 47 indent level is 3 Amplitude
[List of Patents for class 367 subclass 48]  48           Subclass 48 indent level is 3 Phase
[List of Patents for class 367 subclass 49]  49           Subclass 49 indent level is 3 Frequency
[List of Patents for class 367 subclass 50]  50           Subclass 50 indent level is 3 Timing correction
[List of Patents for class 367 subclass 51]  51           Subclass 51 indent level is 4 Dynamic timing correction
[List of Patents for class 367 subclass 52]  52           Subclass 52 indent level is 5 Normal moveout
[List of Patents for class 367 subclass 53]  53           Subclass 53 indent level is 4 For dip
[List of Patents for class 367 subclass 54]  54           Subclass 54 indent level is 4 For weathering layer
[List of Patents for class 367 subclass 55]  55           Subclass 55 indent level is 3 Timing mark generation
[List of Patents for class 367 subclass 56]  56           Subclass 56 indent level is 3 Particular source-receiver array
[List of Patents for class 367 subclass 57]  57           Subclass 57 indent level is 4 Vertical receiver or source array
[List of Patents for class 367 subclass 58]  58           Subclass 58 indent level is 3 By receiver pattern arrangement
[List of Patents for class 367 subclass 59]  59           Subclass 59 indent level is 3 Compositing system
[List of Patents for class 367 subclass 60]  60           Subclass 60 indent level is 4 Special digital system
[List of Patents for class 367 subclass 61]  61           Subclass 61 indent level is 4 Beam steering
[List of Patents for class 367 subclass 62]  62           Subclass 62 indent level is 4 Array weighting
[List of Patents for class 367 subclass 63]  63           Subclass 63 indent level is 4 With preliminary signal processing
[List of Patents for class 367 subclass 64]  64           Subclass 64 indent level is 3 Optical processing
[List of Patents for class 367 subclass 65]  65           Subclass 65 indent level is 3 Gain control
[List of Patents for class 367 subclass 66]  66           Subclass 66 indent level is 4 Analog/digital compatible systems
[List of Patents for class 367 subclass 67]  67           Subclass 67 indent level is 4 Digital
[List of Patents for class 367 subclass 68]  68           Subclass 68 indent level is 2 Display systems
[List of Patents for class 367 subclass 69]  69           Subclass 69 indent level is 3 Well logging type
[List of Patents for class 367 subclass 70]  70           Subclass 70 indent level is 3 Color
[List of Patents for class 367 subclass 71]  71           Subclass 71 indent level is 3 CRT
[List of Patents for class 367 subclass 72]  72           Subclass 72 indent level is 3 3-D
[List of Patents for class 367 subclass 73]  73           Subclass 73 indent level is 2 Synthetic seismograms and models
[List of Patents for class 367 subclass 74]  74           Subclass 74 indent level is 2 Format conversion
[List of Patents for class 367 subclass 75]  75           Subclass 75 indent level is 2 Shear wave
[List of Patents for class 367 subclass 76]  76           Subclass 76 indent level is 2 Telemetry
[List of Patents for class 367 subclass 77]  77           Subclass 77 indent level is 3 Radio wave
[List of Patents for class 367 subclass 78]  78           Subclass 78 indent level is 3 Multiplex
[List of Patents for class 367 subclass 79]  79           Subclass 79 indent level is 4 Time
[List of Patents for class 367 subclass 80]  80           Subclass 80 indent level is 4 Frequency
[List of Patents for class 367 subclass 81]  81           WELLBORE TELEMETERING
[List of Patents for class 367 subclass 82]  82           Subclass 82 indent level is 1 Through drill string or casing
[List of Patents for class 367 subclass 83]  83           Subclass 83 indent level is 1 Through well fluids
[List of Patents for class 367 subclass 84]  84           Subclass 84 indent level is 2 Rotary valve control
[List of Patents for class 367 subclass 85]  85           Subclass 85 indent level is 2 Linear valve control
[List of Patents for class 367 subclass 86]  86           BOREHOLE TESTING
[List of Patents for class 367 subclass 87]  87           ECHO SYSTEMS
[List of Patents for class 367 subclass 88]  88           Subclass 88 indent level is 1 Side scanning or contour mapping sonar systems
[List of Patents for class 367 subclass 89]  89           Subclass 89 indent level is 1 Speed determination
[List of Patents for class 367 subclass 90]  90           Subclass 90 indent level is 2 By doppler effect
[List of Patents for class 367 subclass 91]  91           Subclass 91 indent level is 3 Vehicle mounted system for determining vehicle speed
[List of Patents for class 367 subclass 92]  92           Subclass 92 indent level is 1 Parametric sonar
[List of Patents for class 367 subclass 93]  93           Subclass 93 indent level is 1 Presence or movement only detection
[List of Patents for class 367 subclass 94]  94           Subclass 94 indent level is 2 By doppler effect
[List of Patents for class 367 subclass 95]  95           Subclass 95 indent level is 1 Returned signal used for control
[List of Patents for class 367 subclass 96]  96           Subclass 96 indent level is 2 External device
[List of Patents for class 367 subclass 97]  97           Subclass 97 indent level is 2 Receiver system
[List of Patents for class 367 subclass 98]  98           Subclass 98 indent level is 3 Automatic gain or threshold control
[List of Patents for class 367 subclass 99]  99           Subclass 99 indent level is 1 Distance or direction finding
[List of Patents for class 367 subclass 100]  100           Subclass 100 indent level is 2 With correlation or matched filtering
[List of Patents for class 367 subclass 101]  101           Subclass 101 indent level is 2 Frequency modulation
[List of Patents for class 367 subclass 102]  102           Subclass 102 indent level is 3 Linear modulation (e.g., sawtooth)
[List of Patents for class 367 subclass 103]  103           Subclass 103 indent level is 2 With beam steering, scanning, or focussing
[List of Patents for class 367 subclass 104]  104           Subclass 104 indent level is 3 By transducer movement
[List of Patents for class 367 subclass 105]  105           Subclass 105 indent level is 3 Transducer switching or gating
[List of Patents for class 367 subclass 106]  106           Subclass 106 indent level is 2 With towing
[List of Patents for class 367 subclass 107]  107           Subclass 107 indent level is 2 With indicator
[List of Patents for class 367 subclass 108]  108           Subclass 108 indent level is 3 Digital readout
[List of Patents for class 367 subclass 109]  109           Subclass 109 indent level is 3 Rotating lamp
[List of Patents for class 367 subclass 110]  110           Subclass 110 indent level is 3 Color display
[List of Patents for class 367 subclass 111]  111           Subclass 111 indent level is 3 Luminous array
[List of Patents for class 367 subclass 112]  112           Subclass 112 indent level is 3 Alarm
[List of Patents for class 367 subclass 113]  113           Subclass 113 indent level is 3 Cathode-ray tube
[List of Patents for class 367 subclass 114]  114           Subclass 114 indent level is 3 Meter
[List of Patents for class 367 subclass 115]  115           Subclass 115 indent level is 3 Permanent record
[List of Patents for class 367 subclass 116]  116           Subclass 116 indent level is 3 Audible or tactile
[List of Patents for class 367 subclass 117]  117           PLURAL TRANSMITTERS TO RECEIVER OR TRANSMITTER TO PLURAL RECEIVERS
[List of Patents for class 367 subclass 197]  197           SELECTIVE (E.G., REMOTE CONTROL)
[List of Patents for class 367 subclass 198]  198           Subclass 198 indent level is 1 Humanly generated sound or speech responsive (e.g., human whistle)
[List of Patents for class 367 subclass 199]  199           Subclass 199 indent level is 1 Frequency responsive actuation
[List of Patents for class 367 subclass 118]  118           DISTANCE OR DIRECTION FINDING
[List of Patents for class 367 subclass 119]  119           Subclass 119 indent level is 1 With beam steering, scanning, or focussing
[List of Patents for class 367 subclass 120]  120           Subclass 120 indent level is 2 By transducer movement
[List of Patents for class 367 subclass 121]  121           Subclass 121 indent level is 2 By electrical means
[List of Patents for class 367 subclass 122]  122           Subclass 122 indent level is 3 Transducer switching or gating
[List of Patents for class 367 subclass 123]  123           Subclass 123 indent level is 3 With phase shifter or delay means
[List of Patents for class 367 subclass 124]  124           Subclass 124 indent level is 1 By combining or comparing signals
[List of Patents for class 367 subclass 125]  125           Subclass 125 indent level is 2 Phase comparison and/or correlation
[List of Patents for class 367 subclass 126]  126           Subclass 126 indent level is 2 Addition or subtraction
[List of Patents for class 367 subclass 127]  127           Subclass 127 indent level is 1 With time interval measuring means
[List of Patents for class 367 subclass 128]  128           Subclass 128 indent level is 1 With electromagnetic wave
[List of Patents for class 367 subclass 129]  129           Subclass 129 indent level is 1 With plurality of transducers
[List of Patents for class 367 subclass 130]  130           Subclass 130 indent level is 1 With towing
[List of Patents for class 367 subclass 131]  131           UNDERWATER SYSTEM
[List of Patents for class 367 subclass 132]  132           Subclass 132 indent level is 1 Analog speech communication
[List of Patents for class 367 subclass 133]  133           Subclass 133 indent level is 1 Remote control
[List of Patents for class 367 subclass 134]  134           Subclass 134 indent level is 1 Telemetering
[List of Patents for class 367 subclass 135]  135           RECEIVER CIRCUITRY
[List of Patents for class 367 subclass 136]  136           Subclass 136 indent level is 1 Responsive to intruder energy
[List of Patents for class 367 subclass 137]  137           TRANSMITTER SYSTEMS
[List of Patents for class 367 subclass 138]  138           Subclass 138 indent level is 1 With beam forming, shaping, steering, or scanning
[List of Patents for class 367 subclass 139]  139           Subclass 139 indent level is 1 Animal control
[List of Patents for class 367 subclass 140]  140           SIGNAL TRANSDUCERS
[List of Patents for class 367 subclass 141]  141           Subclass 141 indent level is 1 Underwater type
[List of Patents for class 367 subclass 142]  142           Subclass 142 indent level is 2 Exclusive-type transmitter
[List of Patents for class 367 subclass 143]  143           Subclass 143 indent level is 3 Hydraulically driven vibrator
[List of Patents for class 367 subclass 144]  144           Subclass 144 indent level is 3 Air guns
[List of Patents for class 367 subclass 145]  145           Subclass 145 indent level is 3 Explosives
[List of Patents for class 367 subclass 146]  146           Subclass 146 indent level is 3 Implosion devices
[List of Patents for class 367 subclass 147]  147           Subclass 147 indent level is 3 Spark discharge devices
[List of Patents for class 367 subclass 148]  148           Subclass 148 indent level is 3 Electrically driven underwater bells or sirens
[List of Patents for class 367 subclass 149]  149           Subclass 149 indent level is 2 Exclusive-type receiver
[List of Patents for class 367 subclass 150]  150           Subclass 150 indent level is 2 With modifying lens
[List of Patents for class 367 subclass 151]  151           Subclass 151 indent level is 2 With reflector
[List of Patents for class 367 subclass 152]  152           Subclass 152 indent level is 2 With impedance matching means
[List of Patents for class 367 subclass 153]  153           Subclass 153 indent level is 2 Plural transducer array
[List of Patents for class 367 subclass 154]  154           Subclass 154 indent level is 3 Line array
[List of Patents for class 367 subclass 155]  155           Subclass 155 indent level is 3 Piezoelectric
[List of Patents for class 367 subclass 156]  156           Subclass 156 indent level is 3 Magnetostrictive
[List of Patents for class 367 subclass 157]  157           Subclass 157 indent level is 2 Piezoelectric
[List of Patents for class 367 subclass 158]  158           Subclass 158 indent level is 3 Head and tail mass
[List of Patents for class 367 subclass 159]  159           Subclass 159 indent level is 3 Elongated cylindrical element
[List of Patents for class 367 subclass 160]  160           Subclass 160 indent level is 3 Bending type
[List of Patents for class 367 subclass 161]  161           Subclass 161 indent level is 4 Multimorph
[List of Patents for class 367 subclass 162]  162           Subclass 162 indent level is 3 With resonant or damping structure
[List of Patents for class 367 subclass 163]  163           Subclass 163 indent level is 3 With diaphragm
[List of Patents for class 367 subclass 164]  164           Subclass 164 indent level is 3 Single element having a plurality of electrodes
[List of Patents for class 367 subclass 165]  165           Subclass 165 indent level is 3 Specific support structure
[List of Patents for class 367 subclass 166]  166           Subclass 166 indent level is 3 Liquid filled
[List of Patents for class 367 subclass 167]  167           Subclass 167 indent level is 3 Pressure compensating means
[List of Patents for class 367 subclass 168]  168           Subclass 168 indent level is 2 Magnetostrictive
[List of Patents for class 367 subclass 169]  169           Subclass 169 indent level is 2 Elongated continuous type
[List of Patents for class 367 subclass 170]  170           Subclass 170 indent level is 2 Electret
[List of Patents for class 367 subclass 171]  171           Subclass 171 indent level is 2 Liquid filled transducer
[List of Patents for class 367 subclass 172]  172           Subclass 172 indent level is 2 Transducer with pressure compensating means
[List of Patents for class 367 subclass 173]  173           Subclass 173 indent level is 2 Transducer with support
[List of Patents for class 367 subclass 174]  174           Subclass 174 indent level is 2 Transducer with diaphragm
[List of Patents for class 367 subclass 175]  175           Subclass 175 indent level is 3 Diaphragm with electric driving coil
[List of Patents for class 367 subclass 176]  176           Subclass 176 indent level is 2 Transducer with resonant or damping structure
[List of Patents for class 367 subclass 177]  177           Subclass 177 indent level is 1 Towed land cables
[List of Patents for class 367 subclass 178]  178           Subclass 178 indent level is 1 Receivers
[List of Patents for class 367 subclass 179]  179           Subclass 179 indent level is 2 Pendulum type
[List of Patents for class 367 subclass 180]  180           Subclass 180 indent level is 2 Piezoelectric
[List of Patents for class 367 subclass 181]  181           Subclass 181 indent level is 2 Capacitive
[List of Patents for class 367 subclass 182]  182           Subclass 182 indent level is 2 Moving coil
[List of Patents for class 367 subclass 183]  183           Subclass 183 indent level is 3 Spider spring
[List of Patents for class 367 subclass 184]  184           Subclass 184 indent level is 3 Having arcuate movement
[List of Patents for class 367 subclass 185]  185           Subclass 185 indent level is 2 Moving magnet
[List of Patents for class 367 subclass 186]  186           Subclass 186 indent level is 3 Having arcuate movement
[List of Patents for class 367 subclass 187]  187           Subclass 187 indent level is 3 Spider spring
[List of Patents for class 367 subclass 188]  188           Subclass 188 indent level is 2 Casing or housing
[List of Patents for class 367 subclass 189]  189           Subclass 189 indent level is 1 Vibrator-type transmitter
[List of Patents for class 367 subclass 190]  190           Subclass 190 indent level is 2 With feedback control
[List of Patents for class 367 subclass 191]  191           MISCELLANEOUS
 
CROSS-REFERENCE ART COLLECTIONS
 
[List of Patents for class 367 subclass 900]  900           SONAR TIME VARIED GAIN CONTROL SYSTEMS
[List of Patents for class 367 subclass 901]  901           NOISE OR UNWANTED SIGNAL REDUCTION IN NONSEISMIC RECEIVING SYSTEM
[List of Patents for class 367 subclass 902]  902           SPEED OF SOUND COMPENSATION
[List of Patents for class 367 subclass 903]  903           TRANSMIT-RECEIVE CIRCUITRY
[List of Patents for class 367 subclass 904]  904           DOPPLER COMPENSATION SYSTEMS
[List of Patents for class 367 subclass 905]  905           SIDE LOBE REDUCTION OR SHADING
[List of Patents for class 367 subclass 906]  906           AIRBORNE SHOCK-WAVE DETECTION
[List of Patents for class 367 subclass 907]  907           COORDINATE DETERMINATION
[List of Patents for class 367 subclass 908]  908           MATERIAL LEVEL DETECTION, E.G., LIQUID LEVEL
[List of Patents for class 367 subclass 909]  909           COLLISION AVOIDANCE
[List of Patents for class 367 subclass 910]  910           PORTABLE SONAR DEVICES
[List of Patents for class 367 subclass 911]  911           PARTICULAR WELL-LOGGING APPARATUS
[List of Patents for class 367 subclass 912]  912           Subclass 912 indent level is 1 Particular transducer
 
FOREIGN ART COLLECTIONS
 
   FOR000          CLASS-RELATED FOREIGN DOCUMENTS

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