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Class Information
Number: 342/713
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) >

Sub-classes under this class:

Class Number Class Name Patents
342/1 Radio wave absorber 275
342/104 Determining velocity 347
342/118 Determining distance 722
342/13 Radar ew (electronic warfare) 491
342/147 Determining direction 332
342/159 Clutter elimination 636
342/165 Testing or calibrating of radar system 433
342/175 With particular circuit 1,245
342/21 Base band system 149
342/22 Transmission through media other than air or free space 559
342/23 Berthing or docking 24
342/24 Blind aid 24
342/25R Synthetic aperture radar 265
342/26R Radar for meteorological use (epo) 260
342/27 Presence detection only 566
342/29 Aircraft collision avoidance system (cas) 355
342/33 Aircraft landing system 144
342/350 Directive 85
342/36 Air traffic control 261
342/41 Ship collision avoidance 79
342/42 Radar transponder system 516
342/5 Radar reflector 145
342/52 Combined with diverse type radiant energy system 306
342/59 Plural radar 253
342/60 Transmitting intelligence 76
342/61 Return signal controls external device 213
342/73 Return signal controls radar system 116

Patents under this class:

Patent Number Title Of Patent Date Issued

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