GB2237949B - Optical networks - Google Patents

Optical networks

Info

Publication number: GB2237949B
Authority: GB; United Kingdom
Prior art keywords: optical networks; networks; optical
Prior art date: 1989-11-11
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

GB8925539A

Other versions

GB8925539D0 (en

GB2237949A (en

Inventor

James Wilson Parker

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nortel Networks Ltd

STC PLC

Alcatel Submarine Networks UK Ltd

Nortel Networks Optical Components Ltd

Original Assignee

Northern Telecom Ltd

STC PLC

Northern Telecom Europe Ltd

STC Submarine Systems Ltd

STC Ltd

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.)

1989-11-11

Filing date

1989-11-11

Publication date

1994-04-06

1989-11-11 Application filed by Northern Telecom Ltd, STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical Northern Telecom Ltd

1989-11-11 Priority to GB8925539A priority Critical patent/GB2237949B/en

1990-01-04 Publication of GB8925539D0 publication Critical patent/GB8925539D0/en

1991-05-15 Publication of GB2237949A publication Critical patent/GB2237949A/en

1994-04-06 Application granted granted Critical

1994-04-06 Publication of GB2237949B publication Critical patent/GB2237949B/en

2009-11-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
- H04B10/2725—Star-type networks without a headend
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
- G02B6/423—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
- H10W90/00—

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Engineering & Computer Science (AREA)
Computing Systems (AREA)
Electromagnetism (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Optical Communication System (AREA)

GB8925539A 1989-11-11 1989-11-11 Optical networks Expired - Fee Related GB2237949B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8925539A GB2237949B (en)	1989-11-11	1989-11-11	Optical networks

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8925539A GB2237949B (en)	1989-11-11	1989-11-11	Optical networks

Publications (3)

Publication Number	Publication Date
GB8925539D0 GB8925539D0 (en)	1990-01-04
GB2237949A GB2237949A (en)	1991-05-15
GB2237949B true GB2237949B (en)	1994-04-06

Family

ID=10666159

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8925539A Expired - Fee Related GB2237949B (en)	1989-11-11	1989-11-11	Optical networks

Country Status (1)

Country	Link
GB (1)	GB2237949B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5355386A (en) *	1992-11-17	1994-10-11	Gte Laboratories Incorporated	Monolithically integrated semiconductor structure and method of fabricating such structure
US6090635A (en) *	1992-11-17	2000-07-18	Gte Laboratories Incorporated	Method for forming a semiconductor device structure having a laser portion
JPH0818513A (en) *	1994-07-05	1996-01-19	Nec Corp	Optical access system
US5521734A (en) *	1994-12-30	1996-05-28	At&T Corp.	One-dimensional optical data arrays implemented within optical networks

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4129468A (en) *	1977-04-13	1978-12-12	Bell Telephone Laboratories, Incorporated	Method and apparatus for manufacturing optical communication cables
GB2002140A (en) *	1977-08-05	1979-02-14	Minnesota Mining & Mfg	System for flat ribbon optical fibre data communications link
US4213670A (en) *	1977-10-06	1980-07-22	The United States Of America As Represented By The Secretary Of The Navy	Planar fiber optic star and access coupler
US4289558A (en) *	1978-06-30	1981-09-15	Western Electric Company, Inc.	Methods of and apparatus for organizing fiber lightguides into a planar array
EP0158431A1 (en) *	1984-03-08	1985-10-16	International Standard Electric Corporation	Local area network

1989
- 1989-11-11 GB GB8925539A patent/GB2237949B/en not_active Expired - Fee Related

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4129468A (en) *	1977-04-13	1978-12-12	Bell Telephone Laboratories, Incorporated	Method and apparatus for manufacturing optical communication cables
GB2002140A (en) *	1977-08-05	1979-02-14	Minnesota Mining & Mfg	System for flat ribbon optical fibre data communications link
US4213670A (en) *	1977-10-06	1980-07-22	The United States Of America As Represented By The Secretary Of The Navy	Planar fiber optic star and access coupler
US4289558A (en) *	1978-06-30	1981-09-15	Western Electric Company, Inc.	Methods of and apparatus for organizing fiber lightguides into a planar array
EP0158431A1 (en) *	1984-03-08	1985-10-16	International Standard Electric Corporation	Local area network

Also Published As

Publication number	Publication date
GB8925539D0 (en)	1990-01-04
GB2237949A (en)	1991-05-15

Publication	Publication Date	Title
EP0412727A3 (en)	1992-01-29	Optical communication system
GB8923351D0 (en)	1989-12-06	Multifrequency optical network
AU4848290A (en)	1990-08-24	Optical colour-splitter arrangement
HU905968D0 (en)	1991-03-28	Ferrule without ear
IL90853A0 (en)	1990-02-09	Optical communication link
EP0421352A3 (en)	1991-05-08	Optical attenuator
AU6662990A (en)	1991-07-04	Networks
EP0412675A3 (en)	1991-11-13	Optical components
GB9005341D0 (en)	1990-05-02	Optical assemblies
EP0413593A3 (en)	1992-07-08	Optical system
EP0411607A3 (en)	1992-01-15	Embedded-in-optical-fiber type optical component
GB2237949B (en)	1994-04-06	Optical networks
EP0433646A3 (en)	1992-04-22	Optical receiver
HUT56193A (en)	1991-07-29	Optical fibre-connector
GB8904483D0 (en)	1989-04-12	Optical fibre
GB2239365B (en)	1993-10-20	Optical network
GB8826484D0 (en)	1988-12-14	Optical fibre networks
GB8904782D0 (en)	1989-04-12	Optical coupler
GB2238199B (en)	1994-06-01	Optical communications systems
GB2228834B (en)	1992-12-23	Transmission networks
GB8917102D0 (en)	1989-09-13	Optical alignment means
GB2237692B (en)	1994-02-09	Waveguide networks
GB2235844B (en)	1993-07-14	Optical equipment
GB2238137B (en)	1993-11-03	Optical system
EP0427109A3 (en)	1992-07-08	Optical communication network

Legal Events

Date	Code	Title	Description
1993-09-08	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
1994-03-02	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2005-06-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20041111