Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 340/249
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
Push to release cover for a portable electronic device
High performance design rule checking technique
Display stand for a mobile tablet computer
Shipping container explosives and contraband detection system using nuclear quadrupole resonance
Wireless communication apparatus, a method of wireless communication, and a program for wireless communication
Reading apparatus and reading method
Method of forming wafer level mold using glass fiber and wafer structure formed by the same
  Randomly Featured Patents
Zinc-halogen secondary battery with feature of enhanced charge efficiency
Selected well completion for improving vertical conformance of steam drive process
Food product and process for reducing oil and fat content in cooked food
Process for preparing a 4,7-bis(5-halothien-2-yl)-2,1,3-benzothiadiazole and a precursor therefor
Conserved HBV and HCV sequences useful for gene silencing
Accessing content related to the exploration and production of geologic resources in a thin client computer network
Centrifuge device
Clipboard
Blank beam leads for IC chip bonding
Sol-gel coating for single-layer or multi-layer varnishes