Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 178/69D
Name: Telegraphy > Systems > Line-clearing and circuit maintenance > Zero wander neutralizers

Patents under this class:

Patent Number Title Of Patent Date Issued
4859815 Serial link transparent mode disparity control Aug. 22, 1989
4639936 Data transmission signal apparatus Jan. 27, 1987
4199656 Digital video signal processor with distortion correction Apr. 22, 1980

  Recently Added Patents
Estimating travel time
Semiconductor integrated circuit
Hydrofluorocarbon refrigerant compositions for heat pump water heaters
Method, apparatus and article for detection of transponder tagged objects, for example during surgery
Polishing composition
Handover signaling in wireless networks
Purine compounds used as CB2 agonists
  Randomly Featured Patents
Caladium plant named `Blushing Bride`
Multipath fade equalizer
Programmable ring signal generator
Membrane-based sorbent for heavy metal sequestration
DVD player
Automatic toning apparatus having a vertically reciprocating hopper
Dual-personality extended USB plugs and receptacles using with PCBA and cable assembly
Buoyant tether cable
Vehicle occupant protection apparatus including an inflatable curtain and a housing containing the curtain
Disk cache control for servicing a plurality of hosts