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Class Information
Number: 398/127
Name: Optical communications > Optical communication over freee space > In an office environment
Description: Subject matter wherein the optical beam is communicated in free space between communication devices located within a enclosed area (e.g., in-building communication).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7577364 |
Optical wireless communications |
Aug. 18, 2009 |
| 7561039 |
Transmitting unit |
Jul. 14, 2009 |
| 7551856 |
Methods and apparatus for controlling multiple infrared devices |
Jun. 23, 2009 |
| 7548698 |
Light communication system and illumination apparatus therefor |
Jun. 16, 2009 |
| 7546038 |
Method for wireless optical transmission of data and wireless optical data transmission system |
Jun. 9, 2009 |
| 7474855 |
Information support system |
Jan. 6, 2009 |
| 7447442 |
Light emitting device and communication system |
Nov. 4, 2008 |
| 7415212 |
Data communication system, data transmitter and data receiver |
Aug. 19, 2008 |
| 7389051 |
Illuminator including optical transmission mechanism |
Jun. 17, 2008 |
| 7389052 |
Calibration method for station orientation |
Jun. 17, 2008 |
| 7386238 |
Method and system for infrared data communications |
Jun. 10, 2008 |
| 7352972 |
Method and apparatus for the zonal transmission of data using building lighting fixtures |
Apr. 1, 2008 |
| 7330662 |
System and method for remote optical digital networking of computing devices |
Feb. 12, 2008 |
| 7330661 |
Method and apparatus for optical communication between devices |
Feb. 12, 2008 |
| 7263292 |
Methods and apparatus for controlling multiple infrared devices |
Aug. 28, 2007 |
| 7215887 |
Method and apparatus for infrared data communication |
May. 8, 2007 |
| 7215888 |
System and method of implementing variable loop gain in an optical wireless link based on distance |
May. 8, 2007 |
| 7200334 |
System for transmitting digital signals in a space vehicle |
Apr. 3, 2007 |
| 7194209 |
Interference resistant infrared extension system |
Mar. 20, 2007 |
| 7155129 |
Steerable free space optical interconnect apparatus |
Dec. 26, 2006 |
| 7099589 |
Space-division multiplex full-duplex local area network |
Aug. 29, 2006 |
| 7006768 |
Method and apparatus for the zonal transmission of data using building lighting fixtures |
Feb. 28, 2006 |
| 6954591 |
Non-visible communication systems |
Oct. 11, 2005 |
| 6944402 |
Extended range infrared communication (ERIC) for an infrared associated (IrDA) compliant portable device |
Sep. 13, 2005 |
| 6920277 |
Optical bypass method and architecture |
Jul. 19, 2005 |
| 6850709 |
Apparatus and method for improved connectivity in wireless optical communication systems |
Feb. 1, 2005 |
| 6728774 |
Transaction support for IRDA-compatible systems |
Apr. 27, 2004 |
| 6690887 |
Wireless non-connection communication apparatus and control method therefor |
Feb. 10, 2004 |
| 6525856 |
Image display apparatus |
Feb. 25, 2003 |
| 6501576 |
Wireless data transfer using a remote media interface |
Dec. 31, 2002 |
| 6486994 |
Multi-directional infrared port and methods of using same |
Nov. 26, 2002 |
| 6327141 |
Portable computer for infrared data communication |
Dec. 4, 2001 |
| 6310705 |
Duplex outdoor base station transceiver subsystem utilizing a hybrid system of a high power amplifier and an optic antenna |
Oct. 30, 2001 |
| 6292283 |
Audio/video device including an infrared transceiver for transmitting and receiving configuration data, and method for configuring same |
Sep. 18, 2001 |
| 6219164 |
Device and method of communication by infrared between a user and a remotely controllable apparatus |
Apr. 17, 2001 |
| 6154300 |
Wireless data communication apparatus using the diffused infrared-ray antenna |
Nov. 28, 2000 |
| 6141357 |
Method and apparatus for controlling mobile receivers |
Oct. 31, 2000 |
| 6124958 |
Manufacturing method and device for a wireless local area network optics fixture array |
Sep. 26, 2000 |
| 6104513 |
High bandwidth communication system for large buildings |
Aug. 15, 2000 |
| 6064502 |
Omni-directional infrared communication system |
May. 16, 2000 |
| 6057949 |
Bi-directional infrared communications system |
May. 2, 2000 |
| 6008923 |
Multiple beam communication network with beam selectivity |
Dec. 28, 1999 |
| 5986787 |
Near-infrared communication apparatus |
Nov. 16, 1999 |
| 5982520 |
Personal storage device for application and data transfer |
Nov. 9, 1999 |
| 5903373 |
Method and apparatus for locating a transmitter of a diffuse infrared signal within an enclosed area |
May. 11, 1999 |
| 5896215 |
Multi-channel system with multiple information sources |
Apr. 20, 1999 |
| 5880868 |
Infrared backbone communication network having a radio frequency backup channel |
Mar. 9, 1999 |
| 5880867 |
Infrared backbone communication network having a radio frequency backup channel |
Mar. 9, 1999 |
| 5867292 |
Method and apparatus for cordless infrared communication |
Feb. 2, 1999 |
| 5850189 |
Apparatus and method for infrared communication |
Dec. 15, 1998 |
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