Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 340/757
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
Methods and devices for multiple-mode radio frequency synthesizers
Method and apparatus for reducing and controlling highway congestion to save on fuel costs
Electronic devices with voice command and contextual data processing capabilities
Multiplanar image displays and media formatted to provide 3D imagery without 3D glasses
Reuse of static image data from prior image frames to reduce rasterization requirements
Semiconductor device and fabrication method
Determination of statistical upper bound for estimate of noise power spectral density
  Randomly Featured Patents
Caulk gun
Combined fluorescent lantern and flashlight
Rotary atomizer spray painting device
Method of forming patterned thin film and method of forming magnetic pole of thin-film magnetic head
Dual connector assembly with sliding keep-out member
6-(((substituted)pyridin-3-yl)alkyl)-and alkenyl)-tetrahydro-4-hydroxypyran-2-one inhibitors of cholesterol biosynthesis
Chimeric lyssavirus nucleic acids and polypeptides
Protective coating for concrete delivery system components
3-dimensional display of X-ray, CAT scan and NMR images
Solicited authentication of a specific user