IT1250199B - Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione - Google Patents
Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazioneInfo
- Publication number
- IT1250199B IT1250199B ITTO910519A ITTO910519A IT1250199B IT 1250199 B IT1250199 B IT 1250199B IT TO910519 A ITTO910519 A IT TO910519A IT TO910519 A ITTO910519 A IT TO910519A IT 1250199 B IT1250199 B IT 1250199B
- Authority
- IT
- Italy
- Prior art keywords
- polarization
- communication system
- optical communication
- coherent optical
- continuous variation
- 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
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/532—Polarisation modulation
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
SISTEMA DI COMUNICAZIONE OTTICA COERENTE CON VARIAZIONE CONTINUA DELLA POLARIZZAZIONE, IN CUI TALE VARIAZIONE E' OTTENUTA SOVRAPPONENDO RADIAZIONI A FREQUENZA DIVERSA POLARIZZATE ORTOGONALMENTE, EMESSE DA DUE SORGENTI INDIPENDENTI (1, 2; 201, 202). LE DUE SORGENTI POSSONO ESSERE IMPIEGATE PER REALIZZARE IL TRASMETTITORE O L'OSCILLATORE LOCALE DEL SISTEMA (FIG. 1).
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910519A IT1250199B (it) | 1991-07-04 | 1991-07-04 | Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione |
US07/883,836 US5329394A (en) | 1991-07-04 | 1992-05-15 | Frequency modulation coherent optical communications system with continuous polarization scrambling |
DE69210506T DE69210506T2 (de) | 1991-07-04 | 1992-07-02 | Frequenzmoduliertes kohärentes optisches Übertragungssystem mit kontinuierlicher Polarisationsverwürflung |
JP4197419A JPH0771042B2 (ja) | 1991-07-04 | 1992-07-02 | 連続偏光スクランブルを用いた周波数変調コヒーレント光通信システム |
EP92111172A EP0529240B1 (en) | 1991-07-04 | 1992-07-02 | A frequency modulation coherent optical communications system with continuous polarisation scrambling |
DE199292111172T DE529240T1 (de) | 1991-07-04 | 1992-07-02 | Frequenzmoduliertes kohaerentes optisches uebertragungssystem mit kontinuierlicher polarisationsverwuerflung. |
CA002073087A CA2073087C (en) | 1991-07-04 | 1992-07-03 | Frequency modulation coherent optical communications system with continuous polarization scrambling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910519A IT1250199B (it) | 1991-07-04 | 1991-07-04 | Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO910519A0 ITTO910519A0 (it) | 1991-07-04 |
ITTO910519A1 ITTO910519A1 (it) | 1993-01-04 |
IT1250199B true IT1250199B (it) | 1995-04-03 |
Family
ID=11409466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO910519A IT1250199B (it) | 1991-07-04 | 1991-07-04 | Sistema di comunicazione ottica coerente a modulazione di frequenza con variazione continua della polarizzazione |
Country Status (6)
Country | Link |
---|---|
US (1) | US5329394A (it) |
EP (1) | EP0529240B1 (it) |
JP (1) | JPH0771042B2 (it) |
CA (1) | CA2073087C (it) |
DE (2) | DE529240T1 (it) |
IT (1) | IT1250199B (it) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2112175A1 (en) * | 1993-03-08 | 1994-09-09 | Neal S. Bergano | Technique for reducing nonlinear signal degradation and fading in a long optical transmission system |
JP3303515B2 (ja) * | 1994-03-18 | 2002-07-22 | キヤノン株式会社 | 光通信方式及びそれを用いた光通信システム |
JP3751667B2 (ja) * | 1995-11-17 | 2006-03-01 | 富士通株式会社 | 偏波スクランブル式波長多重信号伝送方法 |
FR2749114B1 (fr) * | 1996-05-23 | 1998-06-19 | Alcatel Submarcom | Systeme de communication optique a amplificateurs optiques dont le gain depend de la polarisation du signal d'entree |
US5735561A (en) * | 1996-08-26 | 1998-04-07 | Abl Boatlifts | Lift device for small watercraft |
US7054271B2 (en) | 1996-12-06 | 2006-05-30 | Ipco, Llc | Wireless network system and method for providing same |
US8982856B2 (en) | 1996-12-06 | 2015-03-17 | Ipco, Llc | Systems and methods for facilitating wireless network communication, satellite-based wireless network systems, and aircraft-based wireless network systems, and related methods |
JP3777045B2 (ja) * | 1998-03-19 | 2006-05-24 | 富士通株式会社 | 偏波スクランブラー |
US6295272B1 (en) * | 1998-04-20 | 2001-09-25 | Gadzoox Networks, Inc. | Subchannel modulation scheme for carrying management and control data outside the regular data channel |
US6914893B2 (en) | 1998-06-22 | 2005-07-05 | Statsignal Ipc, Llc | System and method for monitoring and controlling remote devices |
US6891838B1 (en) | 1998-06-22 | 2005-05-10 | Statsignal Ipc, Llc | System and method for monitoring and controlling residential devices |
US6437692B1 (en) | 1998-06-22 | 2002-08-20 | Statsignal Systems, Inc. | System and method for monitoring and controlling remote devices |
US8410931B2 (en) | 1998-06-22 | 2013-04-02 | Sipco, Llc | Mobile inventory unit monitoring systems and methods |
US7650425B2 (en) | 1999-03-18 | 2010-01-19 | Sipco, Llc | System and method for controlling communication between a host computer and communication devices associated with remote devices in an automated monitoring system |
US20020170591A1 (en) * | 2001-05-15 | 2002-11-21 | Pharmaseq, Inc. | Method and apparatus for powering circuitry with on-chip solar cells within a common substrate |
DE10147892B4 (de) * | 2001-09-28 | 2004-02-05 | Siemens Ag | Verfahren zur Übertragung von mindestens einem ersten und zweiten Datensignal im Polarisationsmultiplex in einem optischen Übertragungssystem |
US8489063B2 (en) | 2001-10-24 | 2013-07-16 | Sipco, Llc | Systems and methods for providing emergency messages to a mobile device |
US7480501B2 (en) | 2001-10-24 | 2009-01-20 | Statsignal Ipc, Llc | System and method for transmitting an emergency message over an integrated wireless network |
US7424527B2 (en) | 2001-10-30 | 2008-09-09 | Sipco, Llc | System and method for transmitting pollution information over an integrated wireless network |
US20040208646A1 (en) * | 2002-01-18 | 2004-10-21 | Seemant Choudhary | System and method for multi-level phase modulated communication |
DE60204561T2 (de) * | 2002-07-22 | 2006-05-11 | Agilent Technologies, Inc. (n.d.Ges.d.Staates Delaware), Palo Alto | Überwachungsdatenübertragung in einem optischen Kommunikationssystem |
US7756086B2 (en) | 2004-03-03 | 2010-07-13 | Sipco, Llc | Method for communicating in dual-modes |
US8031650B2 (en) | 2004-03-03 | 2011-10-04 | Sipco, Llc | System and method for monitoring remote devices with a dual-mode wireless communication protocol |
US7289735B2 (en) * | 2004-04-05 | 2007-10-30 | Jds Uniphase Corporation | Apparatus for emitting light with controllable degree of polarization |
WO2006081206A1 (en) | 2005-01-25 | 2006-08-03 | Sipco, Llc | Wireless network protocol systems and methods |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8630959D0 (en) * | 1986-12-29 | 1987-02-04 | British Telecomm | Optical polarisation control |
US5008958A (en) * | 1988-01-19 | 1991-04-16 | At&T Bell Laboratories | Polarization-insensitive technique for coherent optical communication |
GB8808043D0 (en) * | 1988-04-06 | 1988-05-25 | British Telecomm | Methods & apparatus for transmitting information |
EP0361151A3 (de) * | 1988-09-30 | 1991-11-06 | Siemens Aktiengesellschaft | Vorrichtung zum Erzeugen eines zwei voneinander verschiedene Polarisationszustände aufweisenden FSK-modulierten optischen Signals für ein optisches Übertragungssystem mit einem optischen Zweifilter-FSK-Überlagerungsempfänger |
IT1238535B (it) * | 1989-11-14 | 1993-08-18 | Cselt Centro Studi Lab Telecom | Sistema di comunicazione coerente in fibra ottica a diversita' di polarizzazione in trasmissione |
-
1991
- 1991-07-04 IT ITTO910519A patent/IT1250199B/it active IP Right Grant
-
1992
- 1992-05-15 US US07/883,836 patent/US5329394A/en not_active Expired - Fee Related
- 1992-07-02 JP JP4197419A patent/JPH0771042B2/ja not_active Expired - Lifetime
- 1992-07-02 DE DE199292111172T patent/DE529240T1/de active Pending
- 1992-07-02 EP EP92111172A patent/EP0529240B1/en not_active Expired - Lifetime
- 1992-07-02 DE DE69210506T patent/DE69210506T2/de not_active Expired - Fee Related
- 1992-07-03 CA CA002073087A patent/CA2073087C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0529240A1 (en) | 1993-03-03 |
JPH0771042B2 (ja) | 1995-07-31 |
CA2073087C (en) | 1997-04-29 |
CA2073087A1 (en) | 1993-01-05 |
EP0529240B1 (en) | 1996-05-08 |
DE69210506D1 (de) | 1996-06-13 |
ITTO910519A1 (it) | 1993-01-04 |
ITTO910519A0 (it) | 1991-07-04 |
DE69210506T2 (de) | 1996-10-10 |
US5329394A (en) | 1994-07-12 |
JPH05191353A (ja) | 1993-07-30 |
DE529240T1 (de) | 1993-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950616 |