GB9723060D0 - Lighting system - Google Patents

Lighting system

Info

Publication number
GB9723060D0
GB9723060D0 GBGB9723060.1A GB9723060A GB9723060D0 GB 9723060 D0 GB9723060 D0 GB 9723060D0 GB 9723060 A GB9723060 A GB 9723060A GB 9723060 D0 GB9723060 D0 GB 9723060D0
Authority
GB
United Kingdom
Prior art keywords
lighting system
lighting
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.)
Withdrawn
Application number
GBGB9723060.1A
Other versions
GB2319332A (en
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of GB9723060D0 publication Critical patent/GB9723060D0/en
Publication of GB2319332A publication Critical patent/GB2319332A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0011—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor with light guides for distributing the light between several lighting or signalling devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
    • F21S41/635—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by moving refractors, filters or transparent cover plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
    • F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
    • F21S41/645—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/003—Controlling the distribution of the light emitted by adjustment of elements by interposition of elements with electrically controlled variable light transmissivity, e.g. liquid crystal elements or electrochromic devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB9723060A 1996-11-12 1997-10-31 Lighting system with variable-focus lens Withdrawn GB2319332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19648620A DE19648620C2 (en) 1996-11-12 1996-11-12 Lighting system for illuminating an adjustable lighting field

Publications (2)

Publication Number Publication Date
GB9723060D0 true GB9723060D0 (en) 1998-01-07
GB2319332A GB2319332A (en) 1998-05-20

Family

ID=7812615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9723060A Withdrawn GB2319332A (en) 1996-11-12 1997-10-31 Lighting system with variable-focus lens

Country Status (3)

Country Link
DE (1) DE19648620C2 (en)
FR (1) FR2755749A1 (en)
GB (1) GB2319332A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109539056A (en) * 2019-01-21 2019-03-29 赣州市众恒光电科技有限公司 A kind of adjustable bulkhead lamp of beam angle with pressure difference in balance lamp body

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10005795C2 (en) * 2000-02-10 2003-06-12 Inst Mikrotechnik Mainz Gmbh Headlamp with a number of individual light emitters
DE10321564A1 (en) * 2003-05-14 2004-12-16 Audi Ag Vehicle headlamp having a piezo-optical element which affects the optical properties of the light emitting surface
DE102004029057A1 (en) * 2004-06-16 2006-01-12 Carl Zeiss Lighting device and optical observation device
CN102022701B (en) * 2009-09-21 2012-08-29 鸿富锦精密工业（深圳）有限公司 Desk lamp with adjustable illuminating directions
TWI416040B (en) * 2009-09-24 2013-11-21 Hon Hai Prec Ind Co Ltd Desk lamp capable of adjusting illumination direction
CN105444043B (en) * 2015-12-31 2019-06-28 重庆市光遥光电节能科技有限公司 Fiber optic conduction eye-protecting desk lamp
FR3068110B1 (en) * 2017-06-21 2019-08-09 Valeo Vision LUMINOUS MODULE WITH VARIABLE LIGHTING

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209234A (en) * 1968-03-11 1970-10-21 Nat Res Dev Improvements in or relating to variable focus lenses
US3600063A (en) * 1969-04-28 1971-08-17 Thomas R Bowen Varifocal beam spreader
FR2188098B3 (en) * 1972-06-15 1975-08-08 Ducellier & Cie
US4380374A (en) * 1981-04-16 1983-04-19 Minnesota Mining & Manufacturing Company Variable focal length projection lens for use on overhead projectors
JPS59178426A (en) * 1983-03-30 1984-10-09 Canon Inc Shading device
BR8803984A (en) * 1988-07-19 1990-03-20 O N I Desenho Ind E Comercio D LIGHT FIXTURE
JP2662593B2 (en) * 1991-09-30 1997-10-15 名古屋大学長 Variable focus lens and its focus control device
FR2683296B1 (en) * 1991-11-06 1994-01-28 Angenieux Ets Pierre VARIABLE ILLUMINATED FIELD LIGHTING SYSTEM.
US5438486A (en) * 1992-07-20 1995-08-01 Mcnair; Edward P. Headlights with variably shaped optical elements
DE4429496A1 (en) * 1993-12-16 1995-06-22 Bosch Gmbh Robert Vehicle headlamp
DE4436620A1 (en) * 1994-10-13 1996-04-18 Bosch Gmbh Robert Motor vehicle headlamp with reflector, light source and light permeable element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109539056A (en) * 2019-01-21 2019-03-29 赣州市众恒光电科技有限公司 A kind of adjustable bulkhead lamp of beam angle with pressure difference in balance lamp body
CN109539056B (en) * 2019-01-21 2023-08-25 赣州市众恒光电科技有限公司 Adjustable industrial and mining lamp of light-emitting angle with balanced internal pressure differential of lamp

Also Published As

Publication number Publication date
GB2319332A (en) 1998-05-20
DE19648620A1 (en) 1998-05-14
DE19648620C2 (en) 1998-10-29
FR2755749A1 (en) 1998-05-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)