EP3737887A4 - Apparatus and method for protecting the optical system of a light fixture - Google Patents

Apparatus and method for protecting the optical system of a light fixture Download PDF

Info

Publication number
EP3737887A4
EP3737887A4 EP19914178.9A EP19914178A EP3737887A4 EP 3737887 A4 EP3737887 A4 EP 3737887A4 EP 19914178 A EP19914178 A EP 19914178A EP 3737887 A4 EP3737887 A4 EP 3737887A4
Authority
EP
European Patent Office
Prior art keywords
protecting
optical system
light fixture
fixture
light
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.)
Granted
Application number
EP19914178.9A
Other languages
German (de)
French (fr)
Other versions
EP3737887B1 (en
EP3737887A1 (en
Inventor
Qing Feng CHEN
An Min Zhao
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.)
Chauvet & Sons LLC
Original Assignee
Chauvet & Sons LLC
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 Chauvet & Sons LLC filed Critical Chauvet & Sons LLC
Publication of EP3737887A1 publication Critical patent/EP3737887A1/en
Publication of EP3737887A4 publication Critical patent/EP3737887A4/en
Application granted granted Critical
Publication of EP3737887B1 publication Critical patent/EP3737887B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F21V15/00—Protecting lighting devices from damage
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0457—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the operating status of the lighting device, e.g. to detect failure of a light source or to provide feedback to the device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
EP19914178.9A 2019-03-29 2019-03-29 Apparatus and method for protecting the optical system of a light fixture Active EP3737887B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2019/024843 WO2020204878A1 (en) 2019-03-29 2019-03-29 Apparatus and method for protecting the optical system of a light fixture

Publications (3)

Publication Number Publication Date
EP3737887A1 EP3737887A1 (en) 2020-11-18
EP3737887A4 true EP3737887A4 (en) 2021-01-06
EP3737887B1 EP3737887B1 (en) 2022-10-26

Family

ID=72666405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19914178.9A Active EP3737887B1 (en) 2019-03-29 2019-03-29 Apparatus and method for protecting the optical system of a light fixture

Country Status (6)

Country Link
EP (1) EP3737887B1 (en)
JP (1) JP6951564B2 (en)
CN (1) CN112020624A (en)
CA (1) CA3076110C (en)
SG (1) SG11202002474PA (en)
WO (1) WO2020204878A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113406661B (en) * 2021-04-25 2022-10-18 中国科学院精密测量科学与技术创新研究院 Multichannel atomic light filtering day and night automatic switching device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5887970A (en) * 1996-10-15 1999-03-30 Payne-Sparkman Manufacturing, Inc. Shutter system for high intensity discharge lights
EP2597357A1 (en) * 2011-11-24 2013-05-29 Valeo Vision Movable opaque element preventing the focussing of the sun rays in a headlamp
US20150092422A1 (en) * 2013-10-01 2015-04-02 Pavel Jurik Heat protection and homogenizing system for a luminaire utilizing a lamp with an intense hotspot
US20150308655A1 (en) * 2014-04-28 2015-10-29 Bizwerks, Llc Led venue lighting system and method
CN107559612A (en) * 2017-08-29 2018-01-09 东莞市闻誉实业有限公司 Radiate lighting device
WO2020143369A1 (en) * 2019-01-11 2020-07-16 广州市浩洋电子股份有限公司 Stage lamp with sunlight-damage protection function

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034756A (en) * 1989-10-30 1991-07-23 Brother Kogyo Kabushiki Kaisha Light irradiation device having filter unit
JP3950549B2 (en) * 1998-05-07 2007-08-01 キヤノン株式会社 camera
CN2934902Y (en) * 2006-06-30 2007-08-15 大亿交通工业制造股份有限公司 Composite lamp lighting system
WO2012031598A1 (en) * 2010-09-10 2012-03-15 Martin Professional A/S Illumination device with split beam effect
CN104053948B (en) 2012-03-20 2017-03-29 马田专业公司 Moving head fixture with york piece and head position code device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5887970A (en) * 1996-10-15 1999-03-30 Payne-Sparkman Manufacturing, Inc. Shutter system for high intensity discharge lights
EP2597357A1 (en) * 2011-11-24 2013-05-29 Valeo Vision Movable opaque element preventing the focussing of the sun rays in a headlamp
US20150092422A1 (en) * 2013-10-01 2015-04-02 Pavel Jurik Heat protection and homogenizing system for a luminaire utilizing a lamp with an intense hotspot
US20150308655A1 (en) * 2014-04-28 2015-10-29 Bizwerks, Llc Led venue lighting system and method
CN107559612A (en) * 2017-08-29 2018-01-09 东莞市闻誉实业有限公司 Radiate lighting device
WO2020143369A1 (en) * 2019-01-11 2020-07-16 广州市浩洋电子股份有限公司 Stage lamp with sunlight-damage protection function

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020204878A1 *

Also Published As

Publication number Publication date
CA3076110C (en) 2021-07-13
EP3737887B1 (en) 2022-10-26
SG11202002474PA (en) 2020-11-27
CA3076110A1 (en) 2020-09-29
EP3737887A1 (en) 2020-11-18
WO2020204878A1 (en) 2020-10-08
JP6951564B2 (en) 2021-10-20
JP2021513718A (en) 2021-05-27
CN112020624A (en) 2020-12-01

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