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Class Information
Number: 455/39
Name: Telecommunications > Transmitter and receiver at separate stations
Description: Subject matter including at least one transmitting device which converts analog information signals (e.g., audio) into modulated carrier wave signals, a carrier wave transmission medium, and at least one receiving device whereby the information or modulating signal transmitted will be derived from the received modulated carrier wave signals.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 455/63.1 |
Distortion, noise, or other interference prevention, reduction, or compensation |
1,213 |
| 455/40 |
Earth or water medium |
57 |
| 455/42 |
Frequency or phase modulation |
167 |
| 455/66.1 |
Having diverse art device |
343 |
| 455/67.11 |
Having measuring, testing, or monitoring of system or part |
1,990 |
| 455/48 |
Inverted sideband |
9 |
| 455/41.1 |
Near field (i.e., inductive or capacitive coupling) |
451 |
| 455/62 |
Optimum frequency selection |
447 |
| 455/500 |
Plural transmitters or receivers (i.e., more than two stations) |
293 |
| 455/41.2 |
Short range rf communication |
1,248 |
| 455/59 |
Single message via plural carrier wave transmission |
135 |
| 455/61 |
Single message via plural modulation of single carrier |
43 |
| 455/47 |
Single or vestigial sideband system |
92 |
| 455/46 |
Suppressed carrier wave system |
52 |
| 455/68 |
With control signal |
258 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616960 |
Channel selection for wireless transmission from a remote device |
Nov. 10, 2009 |
| 7613473 |
RRC group reject method and apparatus for mobile communications |
Nov. 3, 2009 |
| 7606761 |
Data output control apparatus |
Oct. 20, 2009 |
| 7603082 |
Impedance matching of an electromagnetic transponder reader |
Oct. 13, 2009 |
| 7590404 |
Surface wave communications between a remote antenna and a base station that is co-located with another base station |
Sep. 15, 2009 |
| 7580388 |
Method and apparatus for providing enhanced messages on common control channel in wireless communication system |
Aug. 25, 2009 |
| 7574172 |
System and method to facilitate wireless wide area communication in a welding environment |
Aug. 11, 2009 |
| 7570714 |
Data transfer apparatus for low voltage differential signaling |
Aug. 4, 2009 |
| 7558583 |
System and methods of radio interference based localization in sensor networks |
Jul. 7, 2009 |
| 7555264 |
Bluetooth master selecting method, bluetooth master selecting program and bluetooth apparatus |
Jun. 30, 2009 |
| 7551891 |
Method for detecting UWB pulse sequences without local pulse generation |
Jun. 23, 2009 |
| 7542777 |
Fast adaptive power control for a variable multirate communications system |
Jun. 2, 2009 |
| 7532861 |
Connection interface for conveying RF, data, and power between electronic devices |
May. 12, 2009 |
| 7526251 |
Communication apparatus and control method thereof |
Apr. 28, 2009 |
| 7526250 |
Apparatus, system and method for flip modulation in an impulse radio communications system |
Apr. 28, 2009 |
| 7508296 |
Reading method, responder, and interrogator |
Mar. 24, 2009 |
| 7509094 |
Wireless telecommunication device and uses thereof |
Mar. 24, 2009 |
| 7502357 |
Radio communication system and transmitter |
Mar. 10, 2009 |
| 7499708 |
Millimeter microwave point-to-multipoint broadcasting systems, components and methods that monitor and rebroadcast data packets |
Mar. 3, 2009 |
| 7499977 |
Method and system for fault management in a distributed network management station |
Mar. 3, 2009 |
| 7493135 |
Transmission method for downlink control signal in MIMO system |
Feb. 17, 2009 |
| 7489872 |
Optical fiber system and method for carrying both CATV and Ethernet signals |
Feb. 10, 2009 |
| 7486931 |
System and method for reselecting antennas in a cellular mobile communication system using multiple antennas |
Feb. 3, 2009 |
| 7471927 |
Packet communication system, packet communication method, base station, mobile station, controller and packet communication program |
Dec. 30, 2008 |
| 7467982 |
Conversion from note-based audio format to PCM-based audio format |
Dec. 23, 2008 |
| 7460832 |
Methods and apparatuses for minimizing co-channel interference |
Dec. 2, 2008 |
| 7460837 |
User interface and time-shifted presentation of data in a system that monitors activity in a shared radio frequency band |
Dec. 2, 2008 |
| 7454167 |
Apparatus and method for echo cancellation in a wireless repeater using cross-polarized antenna elements |
Nov. 18, 2008 |
| 7450904 |
Escape mechanism for a wireless local area network |
Nov. 11, 2008 |
| 7444118 |
Electronic communications system |
Oct. 28, 2008 |
| 7440530 |
Circuit for and method of optimizing the transmission of data on a communication channel |
Oct. 21, 2008 |
| 7440572 |
Secure wireless LAN device and associated methods |
Oct. 21, 2008 |
| 7430746 |
Method for operating a field transmitter |
Sep. 30, 2008 |
| 7424266 |
Rectifier circuit and RFID tag |
Sep. 9, 2008 |
| 7412209 |
Shifted channel characteristics for mitigating co-channel interference |
Aug. 12, 2008 |
| 7409224 |
Method and apparatus for selection of one data set from among multiple related data sets and beaming the selected data set |
Aug. 5, 2008 |
| 7403750 |
Reuse of digital-to-analog converters in a multi-mode transmitter |
Jul. 22, 2008 |
| 7398101 |
Transmitter power level optimization and error correction technique |
Jul. 8, 2008 |
| 7392012 |
Apparatus and method for receiving signal in a multiple-input multiple-output communication system |
Jun. 24, 2008 |
| 7386275 |
Systems and methods for managing out-of-band device connection |
Jun. 10, 2008 |
| 7382324 |
Recording/playback apparatus with electric wave transmission |
Jun. 3, 2008 |
| 7376391 |
Wireless data transmission between base station and transponder with encoding/decoding parameter adjusted dependent on header symbol duration |
May. 20, 2008 |
| 7376390 |
Radio control apparatus, mobile communication method, mobile communication program, and mobile communication system |
May. 20, 2008 |
| 7369523 |
Data signal demodulation in a communication system |
May. 6, 2008 |
| 7363005 |
Load control scheme and process with power control |
Apr. 22, 2008 |
| 7356308 |
Radio communication apparatus and radio communication method, radio communication system, recording medium, and computer program |
Apr. 8, 2008 |
| 7356309 |
Directional coupler for communication system |
Apr. 8, 2008 |
| 7353416 |
Wireless access point seek mode for wireless access clients |
Apr. 1, 2008 |
| 7339955 |
TDMA communication method and apparatus using cyclic spreading codes |
Mar. 4, 2008 |
| 7336936 |
Radio signal receiving apparatus and radio signal receiving method |
Feb. 26, 2008 |
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