GB2139034B - Communications exchange - Google Patents

Communications exchange

Info

Publication number
GB2139034B
GB2139034B GB08413138A GB8413138A GB2139034B GB 2139034 B GB2139034 B GB 2139034B GB 08413138 A GB08413138 A GB 08413138A GB 8413138 A GB8413138 A GB 8413138A GB 2139034 B GB2139034 B GB 2139034B
Authority
GB
United Kingdom
Prior art keywords
communications exchange
communications
exchange
Prior art date
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
Application number
GB08413138A
Other versions
GB2139034A (en
GB8413138D0 (en
Inventor
Herzl Laor
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Priority claimed from IL59306A external-priority patent/IL59306A/en
Priority claimed from IL60923A external-priority patent/IL60923A/en
Application filed by Individual filed Critical Individual
Priority to GB08413138A priority Critical patent/GB2139034B/en
Publication of GB8413138D0 publication Critical patent/GB8413138D0/en
Publication of GB2139034A publication Critical patent/GB2139034A/en
Application granted granted Critical
Publication of GB2139034B publication Critical patent/GB2139034B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3502—Optical coupling means having switching means involving direct waveguide displacement, e.g. cantilever type waveguide displacement involving waveguide bending, or displacing an interposed waveguide between stationary waveguides
    • 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
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • 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
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4226—Positioning means for moving the elements into alignment, e.g. alignment screws, deformation of the mount
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
    • G02B6/3578—Piezoelectric force
    • 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
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3586—Control or adjustment details, e.g. calibrating
    • G02B6/359—Control or adjustment details, e.g. calibrating of the position of the moving element itself during switching, i.e. without monitoring the switched beams
    • 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
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4227—Active alignment methods, e.g. procedures and algorithms
GB08413138A 1980-02-04 1981-01-26 Communications exchange Expired GB2139034B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08413138A GB2139034B (en) 1980-02-04 1981-01-26 Communications exchange

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL59306A IL59306A (en) 1980-02-04 1980-02-04 Switching exchange exmploying electro-magnetic radiation beams
IL60923A IL60923A (en) 1980-08-26 1980-08-26 Piezoelectric apparatus for positioning of optical fibres
GB08413138A GB2139034B (en) 1980-02-04 1981-01-26 Communications exchange

Publications (3)

Publication Number Publication Date
GB8413138D0 GB8413138D0 (en) 1984-06-27
GB2139034A GB2139034A (en) 1984-10-31
GB2139034B true GB2139034B (en) 1985-05-22

Family

ID=27262366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08413138A Expired GB2139034B (en) 1980-02-04 1981-01-26 Communications exchange

Country Status (1)

Country Link
GB (1) GB2139034B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3402297A (en) * 1965-05-10 1968-09-17 Ibm Optical distribution network
GB1160546A (en) * 1965-07-08 1969-08-06 Spiro John Catravas Selector Switching Systems Utilising Optical Interconnecting Paths Occupying a Common Space
DE2206098C3 (en) * 1972-02-09 1980-03-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Switching network for a switching system of communication channels, preferably in the optical frequency range
US3941927A (en) * 1974-11-11 1976-03-02 Battelle Development Corporation Optical fiber deflection device
GB1532860A (en) * 1976-04-15 1978-11-22 Int Standard Electric Corp Holographic tele-communication switching system
FR2411531A1 (en) * 1977-12-06 1979-07-06 Rozenwaig Boris DEVICE FOR SWITCHING OPTICAL SIGNALS, IN PARTICULAR TELECOMMUNICATIONS, AND PABX CONTAINING THIS DEVICE
JPS55501163A (en) * 1978-11-08 1980-12-18

Also Published As

Publication number Publication date
GB2139034A (en) 1984-10-31
GB8413138D0 (en) 1984-06-27

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20010125