Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 455/553
Name: Telecommunications >

Sub-classes under this class:

Class Number Class Name Patents
455/1 Interference signal transmission (e.g., jamming) 335
455/130 Receiver or analog modulated signal frequency converter 492
455/2.01 Audience survey or program distribution use accounting 161
455/26.1 Use or access blocking (e.g., locking switch) 124
455/3.01 Wireless distribution system 910
455/39 Transmitter and receiver at separate stations 431
455/400 Having single-channel telephone carrier 27
455/403 Radiotelephone system 1,195
455/7 Carrier wave repeater or relay system (i.e., retransmission of same information) 679
455/73 Transmitter and receiver at same station (e.g., transceiver) 1,215
455/899 Miscellaneous 59
455/91 Transmitter 628

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Printing apparatus having extendable functionality and method thereof
Powerline communication receiver
Flow cytometer method and apparatus
Electrophoresis display having touch screen and method for driving the touch screen
Compositions and methods for activating innate and allergic immunity
Using sets of OTDR receive fibers with different lengths of marker events to verify optical fiber connectivity
Encoder that optically detects positional information of a moving body from different optical paths lengths
  Randomly Featured Patents
Dirigible, especially non-rigid dirigible
Multiple synchronous data stream format for an optical data link
Plasma reactor and method therefor
Universal send/receive utility usage data gathering system
Method for fabricating a semiconductor device
Optical storage apparatus with track seeking control system
Connection between cooled pipe and uncooled pipe in a double-pipe heat exchanger
Methods for solid-phase amplification of DNA template (SPADT) using multiarrays
Small molecules that increase the conversion of food to body weight gain
Light fixture