Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 178/71.13
Name: Telegraphy > Repeaters > Automatic in either direction > Relay only
Description: Telegraph repeater using exclusively electromechanical operated contact.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
System and method for providing location and access network information support in a network environment
Community profiling for social media
Power surface mount light emitting die package
Semiconductor memory device, method of controlling read preamble signal thereof, and data transmission method
ESD protection device and method for producing the same
Solid-state image sensing apparatus and electronic apparatus
Apparatus for merging spatial audio streams
  Randomly Featured Patents
CAD system which automatically creates a 3-dimensional solid model directly from a 2-dimensional drawing
Refrigerating apparatus
Method of treating skin and composition
Open pattern inductor
Predictive radiosensitivity network model
Double coding processes for mask read only memory (ROM) devices
Pair of automotive step plates
Photopolymerizable mixture
Component design for an electric energy storing device
Apparatus and method for thermal management of a memory device