Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 455/552
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
Electrowetting display devices with a reflective plate structure
Buried object detection in GPR images
Mobile terminal device capable of more effectively utilizing operation portions, conductive portion, operation detecting unit, power supply unit, and signal processing unit
Performance metrics processing for anticipating unavailability
In-vehicle communication system and method of operation
Composite materials comprising aggregate and an elastomeric composition
Assisting apparatus, method, and program for checking crosstalk noise between hierarchized modules in a semiconductor circuit
  Randomly Featured Patents
Alkylation of aromatic hydrocarbons for detergent precursors
Phosphate ore flotation
Optoelectronic measuring device for monitoring a combustion chamber
Portable device for the detection of concealed objects
Optical pickup having a position-adjustable objective lens
Program retrieval support device for accumulating and searching pieces of program information and corresponding programs and a method for performing the same
Vehicle rearview mirror system
Bougainvillea plant named `Vera White`
Attachment device for leaf-deflection tubes
Silicon pressure sensor and the manufacturing method thereof