WO2001095282A3 - Alignment of narrow beam transmission - Google Patents
Alignment of narrow beam transmission Download PDFInfo
- Publication number
- WO2001095282A3 WO2001095282A3 PCT/US2001/018540 US0118540W WO0195282A3 WO 2001095282 A3 WO2001095282 A3 WO 2001095282A3 US 0118540 W US0118540 W US 0118540W WO 0195282 A3 WO0195282 A3 WO 0195282A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alignment
- transmitter
- narrow beam
- beam transmission
- information
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1121—One-way transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1123—Bidirectional transmission
- H04B10/1125—Bidirectional transmission using a single common optical path
Abstract
A system of aligning narrow beam links encodes information on the transmitter indicative of the transmitter's position. When the receiver sees the transmitter's beam, it sends back information from the encoded information, and causes the transmitter to return to the position of alignment.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20951000P | 2000-06-05 | 2000-06-05 | |
US60/209,510 | 2000-06-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001095282A2 WO2001095282A2 (en) | 2001-12-13 |
WO2001095282A3 true WO2001095282A3 (en) | 2002-04-04 |
Family
ID=22779019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/018540 WO2001095282A2 (en) | 2000-06-05 | 2001-06-05 | Alignment of narrow beam transmission |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2001095282A2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2499789A (en) * | 2012-02-27 | 2013-09-04 | L3 Trl Technology | An optical freespace communication system which selects emitters from an array to provide beam steering |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141258A (en) * | 1983-04-05 | 1984-12-12 | Motorola Israel Ltd | Electro-optical line of sight communications apparatus |
GB2221810A (en) * | 1988-07-08 | 1990-02-14 | Univ London | Optical transmission arrangement |
WO1998049818A1 (en) * | 1997-04-29 | 1998-11-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Combined mobile telephone and remote control terminal |
-
2001
- 2001-06-05 WO PCT/US2001/018540 patent/WO2001095282A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2141258A (en) * | 1983-04-05 | 1984-12-12 | Motorola Israel Ltd | Electro-optical line of sight communications apparatus |
GB2221810A (en) * | 1988-07-08 | 1990-02-14 | Univ London | Optical transmission arrangement |
WO1998049818A1 (en) * | 1997-04-29 | 1998-11-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Combined mobile telephone and remote control terminal |
Also Published As
Publication number | Publication date |
---|---|
WO2001095282A2 (en) | 2001-12-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2001063844A3 (en) | A system and method for providing information services to a mobile device user | |
EP1271949A4 (en) | Signal transmission system, signal transmitter, and signal receiver | |
AU2002228944A1 (en) | Remote, wetness signaling system | |
AU2001247642A1 (en) | A diversity transmitter based on linear transform processing of transmitted information | |
EP0616456A3 (en) | Multimedia communication system, transmitter and receiver therefor. | |
WO2007037636A3 (en) | A method of identifying a space-time encoded signal in a wireless communication system | |
WO2002015112A3 (en) | Rfid passive repeater system and apparatus | |
CA2384379A1 (en) | High data rate acoustic telemetry system | |
CA2154180A1 (en) | Multiple-Modulation Communication System | |
WO2003046693A3 (en) | Passive cmts redundancy | |
AU2001281917A1 (en) | Pressure transmitter | |
WO2001054371A3 (en) | Method, system for transmitting data from a transmitter to a receiver and transmitter or receiver | |
MXPA03007300A (en) | Information transmitting system, information encoder and information decoder. | |
AU1078500A (en) | Transmitting/receiving device and transmitting/receiving method | |
EP1314627A3 (en) | Railway track circuits | |
AU2001269483A1 (en) | Data transmitter, data receiver, and data transmitting/receiving method | |
MXPA03000757A (en) | A modulation technique for transmitting a high data rate signal, and an auxiliary data signal, through a band limited channel. | |
AU2002239658A1 (en) | A communication system that provides extra protection when transmitting criticaldata | |
MXPA03003829A (en) | Secure transaction systems. | |
AU2002366687A1 (en) | System for transmitting additional information via a network | |
WO2005055443A3 (en) | Method to optimize hierarchical modulation for a diversity system | |
WO2001095282A3 (en) | Alignment of narrow beam transmission | |
WO2002054103A3 (en) | Object tracking system | |
EP1363194A4 (en) | Transmitter, receiver, transmitter/receiver, transmitting method and receiving method | |
WO2001092269A3 (en) | Method for producing transition metal compounds and their use for the polymerization of olefins |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): JP |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
AK | Designated states |
Kind code of ref document: A3 Designated state(s): JP |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
122 | Ep: pct application non-entry in european phase | ||
NENP | Non-entry into the national phase |
Ref country code: JP |