SG49070A1 - Clock recovery - Google Patents

Clock recovery

Info

Publication number: SG49070A1
Authority: SG; Singapore
Prior art keywords: clock recovery; clock; recovery
Prior art date: 1992-04-27

Application number

SG1996005741A

Inventor

Kevin Smith

Original Assignee

British Telecomm

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1992-04-27

Filing date

1993-04-26

Publication date

1998-05-18

1992-04-27 Priority claimed from EP92303786A external-priority patent/EP0567693A1/en

1993-04-26 Application filed by British Telecomm filed Critical British Telecomm

1998-05-18 Publication of SG49070A1 publication Critical patent/SG49070A1/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
- 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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/299—Signal waveform processing, e.g. reshaping or retiming
- 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
- H04B10/29—Repeaters
- H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0075—Arrangements for synchronising receiver with transmitter with photonic or optical means

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Optics & Photonics (AREA)
Optical Communication System (AREA)
Lasers (AREA)
Microscoopes, Condenser (AREA)
Optical Head (AREA)

SG1996005741A 1992-04-27 1993-04-26 Clock recovery SG49070A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP92303786A EP0567693A1 (en)	1992-04-27	1992-04-27	Optical clock recovery
EP92306311		1992-07-09

Publications (1)

Publication Number	Publication Date
SG49070A1 true SG49070A1 (en)	1998-05-18

Family

ID=26132019

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SG1996005741A SG49070A1 (en)	1992-04-27	1993-04-26	Clock recovery

Country Status (7)

Country	Link
JP (1)	JP3510247B2 (en)
KR (1)	KR100322230B1 (en)
AU (1)	AU670282B2 (en)
CA (1)	CA2118407C (en)
DE (1)	DE69331418T2 (en)
SG (1)	SG49070A1 (en)
WO (1)	WO1993022855A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2143632T3 (en) *	1994-05-23	2000-05-16	British Telecomm	OPTICAL TELECOMMUNICATION NETWORK.
AU699962B2 (en) *	1994-12-23	1998-12-17	British Telecommunications Public Limited Company	Node in optical TDM network
IT1276122B1 (en)	1995-11-14	1997-10-24	Pirelli Cavi Spa	METHOD AND DEVICE TO OPTICALLY RECOVER THE SYNCHRONISM OF A DIGITAL OPTICAL SIGNAL
US6137610A (en) *	1996-05-22	2000-10-24	British Telecommunications Public Limited Company	Optical synchronization arrangement
JP4454763B2 (en) *	2000-03-03	2010-04-21	富士通株式会社	Method, apparatus and system for waveform shaping signal light
FR2806559B1 (en) *	2000-03-20	2002-05-31	Cit Alcatel	SYNCHRONOUS OPTICAL REGENERATOR BY INTENSITY MODULATION AND PHASE MODULATION BY CROSS KERR EFFECT
US6563621B2 (en) *	2000-10-06	2003-05-13	Alphion Corporation	Bit-rate and format insensitive all-optical clock extraction circuit
US6636318B2 (en)	2000-10-06	2003-10-21	Alphion Corp.	Bit-rate and format insensitive all-optical circuit for reshaping, regeneration and retiming of optical pulse streams
US6570697B2 (en) *	2000-10-06	2003-05-27	Alphion Corporation	Format insensitive and bit rate independent optical preprocessor
US7319555B2 (en)	2005-04-27	2008-01-15	Alphion Corporation	Integrated performance monitoring, performance maintenance, and failure detection for photonic regenerators
JP4618118B2 (en)	2005-12-14	2011-01-26	沖電気工業株式会社	Passive mode-locked semiconductor laser and optical clock signal extraction device
JP4946662B2 (en)	2007-06-28	2012-06-06	沖電気工業株式会社	Optical clock signal regeneration device and optical clock signal regeneration method

1993
- 1993-04-26 DE DE69331418T patent/DE69331418T2/en not_active Expired - Fee Related
- 1993-04-26 CA CA002118407A patent/CA2118407C/en not_active Expired - Fee Related
- 1993-04-26 JP JP51905493A patent/JP3510247B2/en not_active Expired - Lifetime
- 1993-04-26 WO PCT/GB1993/000863 patent/WO1993022855A1/en active IP Right Grant
- 1993-04-26 SG SG1996005741A patent/SG49070A1/en unknown
- 1993-04-26 AU AU40219/93A patent/AU670282B2/en not_active Ceased
1994
- 1994-10-26 KR KR1019940703808A patent/KR100322230B1/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
JP3510247B2 (en)	2004-03-22
WO1993022855A1 (en)	1993-11-11
CA2118407A1 (en)	1993-11-11
KR950701482A (en)	1995-03-23
JPH07506231A (en)	1995-07-06
AU670282B2 (en)	1996-07-11
AU4021993A (en)	1993-11-29
CA2118407C (en)	1999-08-17
DE69331418T2 (en)	2002-08-29
DE69331418D1 (en)	2002-02-07
KR100322230B1 (en)	2002-06-20

Publication	Publication Date	Title
GB2280555B (en)	1998-08-19	Clock recovery apparatus
GB9410943D0 (en)	1994-07-20	Clock recovery unit
EP0599311A3 (en)	1994-09-21	Clock recovery circuit.
GB2270398B (en)	1995-11-01	Time-piece
GB2270397B (en)	1995-08-16	Alarm clock
GB2272309B (en)	1995-11-08	Clock movement
AU116125S (en)	1993-01-11	Wristwatch
SG49070A1 (en)	1998-05-18	Clock recovery
GB9114246D0 (en)	1991-08-21	Clock recovery
GB2270609B (en)	1996-01-24	Clock recovery
HK90797A (en)	1997-08-01	World clock
GB2246217B (en)	1994-06-08	Clock
GB9205330D0 (en)	1992-04-22	Recovery system
SG46996A1 (en)	1998-03-20	Timepiece
GB2265585B (en)	1995-02-08	A clock
EP0604188A3 (en)	1995-10-18	Clock recovery circuit.
EP0503132A3 (en)	1993-03-03	Clock
GB2267367B (en)	1995-07-26	Clock
GB2244191B (en)	1994-04-20	Clock recovery arrangement
EP0503133A3 (en)	1993-03-17	Clock
CA73449S (en)	1993-11-18	Clock
GB9322609D0 (en)	1993-12-22	Clock synchronisation
GB2303526B (en)	1997-06-04	Clock recovery circuit
GB9318117D0 (en)	1993-10-20	Clock
GB9325219D0 (en)	1994-02-09	Clock