GB2254161B - Fibre optics-hydraulic shutter - Google Patents

Fibre optics-hydraulic shutter

Info

Publication number
GB2254161B
GB2254161B GB9106543A GB9106543A GB2254161B GB 2254161 B GB2254161 B GB 2254161B GB 9106543 A GB9106543 A GB 9106543A GB 9106543 A GB9106543 A GB 9106543A GB 2254161 B GB2254161 B GB 2254161B
Authority
GB
United Kingdom
Prior art keywords
fibre optics
hydraulic shutter
shutter
hydraulic
optics
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 - Fee Related
Application number
GB9106543A
Other versions
GB9106543D0 (en
GB2254161A (en
Inventor
John Archer-Hall
Paul Grosvenor
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.)
THERMOTOR Ltd
Original Assignee
THERMOTOR 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.)
Filing date
Publication date
Application filed by THERMOTOR Ltd filed Critical THERMOTOR Ltd
Priority to GB9106543A priority Critical patent/GB2254161B/en
Publication of GB9106543D0 publication Critical patent/GB9106543D0/en
Publication of GB2254161A publication Critical patent/GB2254161A/en
Application granted granted Critical
Publication of GB2254161B publication Critical patent/GB2254161B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/353—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a shutter, baffle, beam dump or opaque element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
    • 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
    • G02B6/3538—Optical coupling means having switching means based on displacement or deformation of a liquid
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres
    • 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
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
    • G02B6/3552—1x1 switch, e.g. on/off switch
    • 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
    • G02B6/357—Electrostatic force

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
GB9106543A 1991-03-27 1991-03-27 Fibre optics-hydraulic shutter Expired - Fee Related GB2254161B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9106543A GB2254161B (en) 1991-03-27 1991-03-27 Fibre optics-hydraulic shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9106543A GB2254161B (en) 1991-03-27 1991-03-27 Fibre optics-hydraulic shutter

Publications (3)

Publication Number Publication Date
GB9106543D0 GB9106543D0 (en) 1991-05-15
GB2254161A GB2254161A (en) 1992-09-30
GB2254161B true GB2254161B (en) 1994-01-05

Family

ID=10692314

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9106543A Expired - Fee Related GB2254161B (en) 1991-03-27 1991-03-27 Fibre optics-hydraulic shutter

Country Status (1)

Country Link
GB (1) GB2254161B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793349A (en) * 1992-03-20 1998-08-11 Mark Iv Industries Limited Electromagnetic shutter and cover
NL9301884A (en) * 1993-11-02 1995-06-01 Nederland Haarlem B V Optical switch, and information medium
US7016560B2 (en) 2001-02-28 2006-03-21 Lightwave Microsystems Corporation Microfluidic control for waveguide optical switches, variable attenuators, and other optical devices
WO2002068821A2 (en) * 2001-02-28 2002-09-06 Lightwave Microsystems Corporation Microfluidic control using dieletric pumping

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121884A (en) * 1976-10-08 1978-10-24 International Standard Electric Corporation Optical fiber switch
EP0042907A1 (en) * 1980-06-30 1982-01-06 International Business Machines Corporation Optical switch
EP0136193A1 (en) * 1983-07-04 1985-04-03 Thomson-Csf Optical switch making use of the displacement of a fluid and apparatus for composing a line of points
EP0158551A1 (en) * 1984-03-16 1985-10-16 Thomson-Csf Electrically driven movable fluid device
GB2204710A (en) * 1987-05-12 1988-11-16 Gen Electric Co Plc Optical switch
EP0306604A1 (en) * 1981-09-30 1989-03-15 Siemens Aktiengesellschaft Optical control apparatus controlling rays travelling through a light guide, in particular an optical switch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121884A (en) * 1976-10-08 1978-10-24 International Standard Electric Corporation Optical fiber switch
EP0042907A1 (en) * 1980-06-30 1982-01-06 International Business Machines Corporation Optical switch
EP0306604A1 (en) * 1981-09-30 1989-03-15 Siemens Aktiengesellschaft Optical control apparatus controlling rays travelling through a light guide, in particular an optical switch
EP0136193A1 (en) * 1983-07-04 1985-04-03 Thomson-Csf Optical switch making use of the displacement of a fluid and apparatus for composing a line of points
EP0158551A1 (en) * 1984-03-16 1985-10-16 Thomson-Csf Electrically driven movable fluid device
GB2204710A (en) * 1987-05-12 1988-11-16 Gen Electric Co Plc Optical switch

Also Published As

Publication number Publication date
GB9106543D0 (en) 1991-05-15
GB2254161A (en) 1992-09-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960327