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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 |
1,215 |
| 455/40 |
Earth or water medium |
57 |
| 455/42 |
Frequency or phase modulation |
168 |
| 455/66.1 |
Having diverse art device |
343 |
| 455/67.11 |
Having measuring, testing, or monitoring of system or part |
1,995 |
| 455/48 |
Inverted sideband |
9 |
| 455/41.1 |
Near field (i.e., inductive or capacitive coupling) |
453 |
| 455/62 |
Optimum frequency selection |
447 |
| 455/500 |
Plural transmitters or receivers (i.e., more than two stations) |
294 |
| 455/41.2 |
Short range rf communication |
1,253 |
| 455/59 |
Single message via plural carrier wave transmission |
136 |
| 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 |
259 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6836843 |
Access control through secure channel using personal identification system |
Dec. 28, 2004 |
| 6832096 |
Fast adaptive power control for a variable multirate communications system |
Dec. 14, 2004 |
| 6832095 |
Fast adaptive power control adapter for a variable multirate communication system |
Dec. 14, 2004 |
| 6825774 |
Device for influencing the operating status of an electronic appliance |
Nov. 30, 2004 |
| 6784795 |
Brake and signal light system |
Aug. 31, 2004 |
| 6775520 |
Synthetic-aperture communications receivers |
Aug. 10, 2004 |
| 6748206 |
Low-power-consumption radio receiver |
Jun. 8, 2004 |
| 6721769 |
Method and system for a building database manipulator |
Apr. 13, 2004 |
| 6658236 |
Wireless apparatus with frequency synthesizers |
Dec. 2, 2003 |
| 6643519 |
Transmitter power control method and apparatus |
Nov. 4, 2003 |
| 6633900 |
Mobile crew management system for distributing work order assignments to mobile field crew units |
Oct. 14, 2003 |
| 6615023 |
System for wireless, bi-directional transfer of electric signals |
Sep. 2, 2003 |
| 6604146 |
Efficient internet service implementation for mesh satellite networks using centralized router server for distribution of destination tables |
Aug. 5, 2003 |
| 6501388 |
Radio signal selective-calling receiver and method of receiving radio signals |
Dec. 31, 2002 |
| 6473597 |
Method and apparatus for modeling transmitter bandwidth for telecommunications analysis |
Oct. 29, 2002 |
| 6415135 |
Transmission protocol for file transfer in a DAB system |
Jul. 2, 2002 |
| 6404758 |
System and method for achieving slot synchronization in a wideband CDMA system in the presence of large initial frequency errors |
Jun. 11, 2002 |
| 6402691 |
In-home patient monitoring system |
Jun. 11, 2002 |
| 6330462 |
Method and apparatus for pre-transmission power control using lower rate for high rate communication |
Dec. 11, 2001 |
| 6301463 |
Mobile base station for disseminating information |
Oct. 9, 2001 |
| 6275682 |
RF signal transmitting device |
Aug. 14, 2001 |
| 6240274 |
High-speed broadband wireless communication system architecture |
May. 29, 2001 |
| 6219529 |
Wireless communication system using only the magnetic field component |
Apr. 17, 2001 |
| 6199010 |
Wireless telecommunications system that provides navigational assistance to travelers |
Mar. 6, 2001 |
| 6169955 |
Communication and navigation system incorporating position determination |
Jan. 2, 2001 |
| 6151505 |
System and method for reporting the location of a mobile telecommunications unit to an authorized terminator telecommunications unit |
Nov. 21, 2000 |
| 6138074 |
Monitoring station location determination for a satellite navigation system |
Oct. 24, 2000 |
| 6108534 |
Data and message retrieval communications system including remote receive-only communication unit |
Aug. 22, 2000 |
| 6108522 |
Radio communication system with a stationary and a mobile radio device |
Aug. 22, 2000 |
| 6094146 |
Method of, and communication system for, sending messages |
Jul. 25, 2000 |
| 6067458 |
Method and apparatus for pre-transmission power control using lower rate for high rate communication |
May. 23, 2000 |
| 6047163 |
Miniature radio apparatus having loop antenna including human body |
Apr. 4, 2000 |
| 5995806 |
Radio data transmitter and receiver |
Nov. 30, 1999 |
| 5970392 |
Information signal processing apparatus and method |
Oct. 19, 1999 |
| 5941933 |
Information transmitting apparatus and information receiving apparatus |
Aug. 24, 1999 |
| 5788500 |
Continuous wave laser battlefield simulation system |
Aug. 4, 1998 |
| 5784000 |
Radio selective calling system |
Jul. 21, 1998 |
| 5742908 |
Frequency error correction in a satellite-mobile communications system |
Apr. 21, 1998 |
| 5739762 |
Time correction system for radio selective calling receiver |
Apr. 14, 1998 |
| 5697061 |
Method and apparatus for providing information concerning products, using radio frequency transmissions |
Dec. 9, 1997 |
| 5649296 |
Full duplex modulated backscatter system |
Jul. 15, 1997 |
| 5491839 |
System for short range transmission of a plurality of signals simultaneously over the air using high frequency carriers |
Feb. 13, 1996 |
| 5453997 |
Decoder selection |
Sep. 26, 1995 |
| 5378155 |
Combat training system and method including jamming |
Jan. 3, 1995 |
| 5228854 |
Combat training system and method |
Jul. 20, 1993 |
| 5203025 |
Selection circuit in a space diversity reception system for a mobile receiver |
Apr. 13, 1993 |
| 5099319 |
Video information delivery method and apparatus |
Mar. 24, 1992 |
| 5068916 |
Coordination of wireless medium among a plurality of base stations |
Nov. 26, 1991 |
| 4974259 |
Control system for unattended transport car |
Nov. 27, 1990 |
| 4879756 |
Radio broadcast communication systems |
Nov. 7, 1989 |
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