Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 340/255
Name: Communications: electrical >
Description:










Sub-classes under this class:

Class Number Class Name Patents
340/ Vehicle position indication (340/988) 0
340/ Land vehicle alarm or indicator (340/425.5) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Condition responsive indicating system (340/500) 0
340/ Selective (340/825) 0
340/ Selective (340/825) 0
340/ Systems (340/286.01) 0
340/146.2 Digital comparator systems 422
340/286.01 Systems 172
340/310.11 Remote control over power line 540
340/384.1 Audible indication 319
340/407.1 Tactual indication 575
340/425.1 Repeater in unspecified type communications line or channel (e.g., relay station) 54
340/425.5 Land vehicle alarms or indicators 1,513
340/500 Condition responsive indicating system 547
340/815.4 Visual indication 670
340/825 Selective 227
340/850 Underwater 129
340/853.1 Wellbore telemetering or control (e.g., subsurface tool guidance, data transfer, etc.) 237
340/870.01 Continuously variable indicating (e.g., telemetering) 339
340/901 External condition vehicle-mounted indicator or alarm 717
340/906 Override of traffic control indicator by command transmitter 176
340/907 Traffic control indicator 532
340/932.2 Vehicle parking indicators 631
340/933 Vehicle detectors 923
340/944 Pedestrian guidance 131
340/945 Aircraft alarm or indicating systems 957
340/984 Watercraft alarm or indicating systems 200
340/988 Vehicle position indication 1,790
340/999 Miscellaneous 55


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Multi-user remote health monitoring system with biometrics support
Apparatus and method for sterilizing vessel with electron beam
Composition for enhancing memory and mitigating neurodegeneration and method thereof
Device to control force required to depress accelerator pedal
Method and system for providing intelligent call rejection and call rollover in a data network
Bath
Simulating non power of two texture behavior
  Randomly Featured Patents
Gas generating compositions with auto-ignition function
Printer
Radioactive waste material melter apparatus
Catalytic converter mounting mat
Pair of ear cups
Novelty eyeglass frames
Latch
Hand-held hydraulic pressing apparatus
Lithium-ion battery and method for regenerating the same
Device for collecting fluid discharged from female organs