IT1284542B1 - Otturatore elettromagnetico e coperchio per mascherare selettivamente la luce emessa da una fibra ottica - Google Patents

Otturatore elettromagnetico e coperchio per mascherare selettivamente la luce emessa da una fibra ottica

Info

Publication number
IT1284542B1
IT1284542B1 IT96MI001905A ITMI961905A IT1284542B1 IT 1284542 B1 IT1284542 B1 IT 1284542B1 IT 96MI001905 A IT96MI001905 A IT 96MI001905A IT MI961905 A ITMI961905 A IT MI961905A IT 1284542 B1 IT1284542 B1 IT 1284542B1
Authority
IT
Italy
Prior art keywords
cover
optical fiber
light emitted
electromagnetic shutter
selectively mask
Prior art date
Application number
IT96MI001905A
Other languages
English (en)
Inventor
John Browne
Original Assignee
Mark Iv Ind 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 Mark Iv Ind Ltd filed Critical Mark Iv Ind Ltd
Publication of ITMI961905A1 publication Critical patent/ITMI961905A1/it
Application granted granted Critical
Publication of IT1284542B1 publication Critical patent/IT1284542B1/it

Links

Classifications

    • 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
    • G09F9/37—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 movable elements
    • G09F9/375—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 movable elements the position of the elements being controlled by the application of a magnetic field
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0472—Traffic signs
    • 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
    • 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
    • G02B6/3572—Magnetic 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
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3582—Housing means or package or arranging details of the switching elements, e.g. for thermal isolation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Laser Beam Processing (AREA)
  • Holo Graphy (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
IT96MI001905A 1995-09-18 1996-09-16 Otturatore elettromagnetico e coperchio per mascherare selettivamente la luce emessa da una fibra ottica IT1284542B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/529,440 US5793349A (en) 1992-03-20 1995-09-18 Electromagnetic shutter and cover

Publications (2)

Publication Number Publication Date
ITMI961905A1 ITMI961905A1 (it) 1998-03-16
IT1284542B1 true IT1284542B1 (it) 1998-05-21

Family

ID=24109922

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI001905A IT1284542B1 (it) 1995-09-18 1996-09-16 Otturatore elettromagnetico e coperchio per mascherare selettivamente la luce emessa da una fibra ottica

Country Status (7)

Country Link
US (1) US5793349A (it)
JP (1) JPH09113824A (it)
CA (1) CA2183721C (it)
DE (1) DE19635092A1 (it)
FR (1) FR2738923B1 (it)
GB (1) GB2305514B (it)
IT (1) IT1284542B1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69829626T2 (de) * 1997-05-29 2006-03-30 Shozo Hirayama Optische punktbildanzeigevorrichtung
JP4655765B2 (ja) * 2005-06-08 2011-03-23 ソニー株式会社 レンズ鏡筒および撮像装置
US9827504B2 (en) 2012-05-19 2017-11-28 Kenneth E. Olson Vibratory device for bobble toys

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1587795A (it) * 1968-10-02 1970-03-27
DE8134348U1 (de) * 1981-11-25 1982-03-11 Fa. Carl Zeiss, 7920 Heidenheim Einkoordinaten-befehlsgeraet
US4531121A (en) * 1982-10-29 1985-07-23 Integrated Systems Engineering, Inc. Electromechanical discrete element and a large sign or display
FR2535882B1 (fr) * 1982-11-05 1987-08-28 Securite Signalisation Matrice d'affichage a fibres lumineuses
FR2555343B1 (fr) * 1983-11-23 1987-01-23 Cetehor Dispositif d'affichage lumineux
DE3610725A1 (de) * 1985-04-09 1987-01-08 Withauer Klaus Prof Dr Meldeanlage zur darstellung von betriebszustaenden
FR2585164B1 (fr) * 1985-07-22 1988-04-22 Soc Et Dev Prod Electron Cellule elementaire d'affichage pour panneau d'affichage a matrice de points
FR2586129B3 (fr) * 1985-08-06 1987-10-30 Mazard Patrice Dispositif d'affichage et de signalisation a fibres optiques
JP2914503B2 (ja) * 1987-11-13 1999-07-05 ラッド ハッサン ダッベイ ディスプレイ装置及びそのディスプレイエレメント
CA1298082C (en) * 1988-06-29 1992-03-31 Nei Canada Limited Fibre optic display device
DE3822105A1 (de) * 1988-06-30 1990-01-11 Schoelly Fiberoptic Gmbh Wechselzeichen
US5055832A (en) * 1989-06-09 1991-10-08 Dayco Products Canada Inc. Display element with notched disk
US5022171A (en) * 1989-08-28 1991-06-11 The Staver Company Inc. Matrix display assembly having multiple point lighting
US4974353A (en) * 1989-08-28 1990-12-04 The Staver Company Matrix display assembly having multiple point lighting
DE4022649C1 (it) * 1990-07-17 1991-10-24 Dambach-Werke Gmbh, 7560 Gaggenau, De
DE4040567C1 (it) * 1990-12-19 1992-06-17 Dambach-Werke Gmbh, 7560 Gaggenau, De
GB2254161B (en) * 1991-03-27 1994-01-05 Thermotor Limited Fibre optics-hydraulic shutter
CA2087234C (en) * 1992-02-18 1998-12-01 Mark Iv Ids Corp. Corner notched disk
US5337077A (en) * 1992-03-20 1994-08-09 Mark Iv Industries Limited Electromagnetic shutter
DE4212125C1 (it) * 1992-04-13 1993-04-01 Dambach-Werke Gmbh, 7554 Kuppenheim, De

Also Published As

Publication number Publication date
GB2305514A (en) 1997-04-09
CA2183721A1 (en) 1997-03-19
ITMI961905A1 (it) 1998-03-16
DE19635092A1 (de) 1997-03-20
GB2305514B (en) 1999-11-10
GB9619008D0 (en) 1996-10-23
US5793349A (en) 1998-08-11
JPH09113824A (ja) 1997-05-02
FR2738923A1 (fr) 1997-03-21
FR2738923B1 (fr) 1998-08-07
CA2183721C (en) 2000-01-25

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Legal Events

Date Code Title Description
0001 Granted