RU2608541C2 - Устройство для местного освещения - Google Patents

Устройство для местного освещения Download PDF

Info

Publication number
RU2608541C2
RU2608541C2 RU2013115918A RU2013115918A RU2608541C2 RU 2608541 C2 RU2608541 C2 RU 2608541C2 RU 2013115918 A RU2013115918 A RU 2013115918A RU 2013115918 A RU2013115918 A RU 2013115918A RU 2608541 C2 RU2608541 C2 RU 2608541C2
Authority
RU
Russia
Prior art keywords
section
aperture
specified
light sources
output aperture
Prior art date
Application number
RU2013115918A
Other languages
English (en)
Russian (ru)
Other versions
RU2013115918A (ru
Inventor
Ральф КУРТ
Тенис Виллем ТЮККЕР
Марк Эдуард Йохан СИПКЕС
Original Assignee
Филипс Лайтинг Холдинг Б.В.
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 Филипс Лайтинг Холдинг Б.В. filed Critical Филипс Лайтинг Холдинг Б.В.
Publication of RU2013115918A publication Critical patent/RU2013115918A/ru
Application granted granted Critical
Publication of RU2608541C2 publication Critical patent/RU2608541C2/ru

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K99/00—Subject matter not provided for in other groups of this subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/62—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and 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
    • 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
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • 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
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/043—Optical design with cylindrical surface
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Microscoopes, Condenser (AREA)
RU2013115918A 2010-09-10 2011-09-05 Устройство для местного освещения RU2608541C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10176142.7 2010-09-10
EP10176142 2010-09-10
PCT/IB2011/053873 WO2012032455A1 (en) 2010-09-10 2011-09-05 Arrangement for spot illumination

Publications (2)

Publication Number Publication Date
RU2013115918A RU2013115918A (ru) 2014-10-20
RU2608541C2 true RU2608541C2 (ru) 2017-01-19

Family

ID=44735985

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2013115918A RU2608541C2 (ru) 2010-09-10 2011-09-05 Устройство для местного освещения

Country Status (8)

Country Link
US (1) US9169997B2 (enExample)
EP (1) EP2614291B1 (enExample)
JP (1) JP5881221B2 (enExample)
CN (1) CN103097805B (enExample)
BR (1) BR112013005505A2 (enExample)
RU (1) RU2608541C2 (enExample)
TW (1) TW201213732A (enExample)
WO (1) WO2012032455A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2667346C1 (ru) * 2017-06-22 2018-09-18 Павел Александрович Горбенко Способ проецирования изображения на поверхности реальных объектов

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013049635A1 (en) * 2011-09-29 2013-04-04 Cegnar Erik J Light apparatuses and lighting systems
WO2013184600A1 (en) * 2012-06-03 2013-12-12 Robe Lighting, Inc. Collimation and homogenization system for an led luminaire
CN103591478A (zh) * 2012-08-16 2014-02-19 致茂电子(苏州)有限公司 人造光源
TWI493134B (zh) * 2012-10-31 2015-07-21 隆達電子股份有限公司 發光裝置
KR20140104716A (ko) * 2013-02-21 2014-08-29 삼성전자주식회사 광원 모듈 및 이를 구비하는 조명 장치
JP6179760B2 (ja) * 2013-04-01 2017-08-16 東芝ライテック株式会社 照明器具
CN203258423U (zh) * 2013-04-11 2013-10-30 深圳市绎立锐光科技开发有限公司 Led单元模组、发光装置以及光源系统
CN104344355A (zh) * 2013-08-08 2015-02-11 欧司朗股份有限公司 具有变焦功能的发光装置
US10408402B2 (en) * 2014-03-10 2019-09-10 Robe Lighting S.R.O. Optical system for a LED luminaire
CN104033844B (zh) * 2014-06-30 2016-04-27 广东凯西欧照明有限公司 双反射罩变焦灯
CN104033848B (zh) * 2014-06-30 2016-03-30 广东凯西欧照明有限公司 壁槽导向式变焦灯
CN104090356B (zh) * 2014-07-16 2019-05-07 山东理工大学 一种用于1 mm ×1 mm LED光源准直的光学系统
EP3052982B1 (en) * 2014-10-01 2023-08-23 Robe Lighting s.r.o. Collimation and homogenization system for an led luminaire
CN104456225A (zh) * 2014-12-13 2015-03-25 郑霭兰 可聚光的led灯
US20170074489A1 (en) * 2015-03-16 2017-03-16 Pavel Jurik System and method for controlling light output in a led luminaire
CN104949081A (zh) * 2015-06-19 2015-09-30 苏州西默医疗科技有限公司 一种手术显微镜用照明装置及其照明方法
AU2016412623B2 (en) * 2016-06-28 2019-10-31 Siemens Mobility Inc. Optical system for a LED signal and wayside LED signal
GB2571876A (en) * 2016-11-18 2019-09-11 Saf T Glo Ltd Lighting unit
EP3542596A1 (en) 2016-11-18 2019-09-25 Saf-t-Glo Limited Led retrofit lighting unit
US10106078B1 (en) * 2017-10-20 2018-10-23 Ford Global Technologies, Llc Vehicle lamp assembly
US10690303B2 (en) * 2017-12-28 2020-06-23 Bezel Studio Lighting devices and methods
CN108490628B (zh) * 2018-03-12 2020-01-10 Oppo广东移动通信有限公司 结构光投射器、深度相机和电子设备
EP3582263B1 (de) * 2018-06-15 2023-03-29 Arnold & Richter Cine Technik GmbH & Co. Betriebs KG Lichterzeugende baugruppe für einen scheinwerfer sowie scheinwerfer
GB2577999B (en) * 2018-10-02 2020-10-14 Electronic Theatre Controls Inc Lighting Fixture
US11162663B2 (en) 2018-10-02 2021-11-02 Electronic Theatre Controls, Inc. Lighting fixture
CN109386802A (zh) * 2018-11-30 2019-02-26 重庆科技学院 昼夜两用的双向导光系统
CN110097804A (zh) * 2019-05-28 2019-08-06 大连大学 一种学习调色玩具
CN110486654A (zh) * 2019-07-23 2019-11-22 广东德洛斯照明工业有限公司 一种超窄光束截光型配光装置、灯具及配光方法
EP3789652A1 (de) * 2019-09-06 2021-03-10 Arnold & Richter Cine Technik GmbH & Co. Betriebs KG Universallichtquelle für einen scheinwerfer sowie scheinwerfer
US11598517B2 (en) 2019-12-31 2023-03-07 Lumien Enterprise, Inc. Electronic module group
CN110985903B (zh) 2019-12-31 2020-08-14 江苏舒适照明有限公司 一种灯模组
US12281783B2 (en) 2019-12-31 2025-04-22 Lumien Enterprise, Inc. Electronic module group
US10845030B1 (en) 2020-02-26 2020-11-24 Electronic Theatre Controls, Inc. Lighting fixture with internal shutter blade
CN111503556B (zh) 2020-04-23 2020-11-27 江苏舒适照明有限公司 一种射灯结构
US11260991B2 (en) * 2020-06-29 2022-03-01 Airfield Lighting Company of NY. Inc. PAPI with LED light source and aperture plates
EP4080112A1 (en) 2021-04-22 2022-10-26 Harman Professional Denmark ApS Illumination device with light source emulation effect
US11555587B1 (en) * 2021-06-25 2023-01-17 Usai, Llc Wall wash micro light fixture
US12230950B2 (en) 2021-07-29 2025-02-18 Lumien Enterprise, Inc. Junction box
US11717973B2 (en) * 2021-07-31 2023-08-08 Cognex Corporation Machine vision system with multispectral light assembly
EP4349711A1 (en) * 2022-10-05 2024-04-10 Goodrich Lighting Systems GmbH & Co. KG Aircraft reading light, aircraft comprising an aircraft reading light, and method of operating an aircraft reading light
USD1067489S1 (en) 2022-11-23 2025-03-18 Harman International Industries, Incorporated Lighting device with light pattern
CN120858252A (zh) * 2023-01-13 2025-10-28 斯特拉灯具进出口有限公司 户外照明装置
US12146633B1 (en) * 2023-11-28 2024-11-19 Ford Global Technologies, Llc Vehicle lamp system with frustum reflector and lighting method using frustum reflector

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU949292A1 (ru) * 1979-05-08 1982-08-07 Предприятие П/Я Р-6504 Прожектор
SU1352437A1 (ru) * 1986-06-18 1987-11-15 Ленинградский Институт Точной Механики И Оптики Осветительное устройство
US6200002B1 (en) * 1999-03-26 2001-03-13 Philips Electronics North America Corp. Luminaire having a reflector for mixing light from a multi-color array of leds
WO2002050472A1 (en) * 2000-12-21 2002-06-27 Koninklijke Philips Electronics N.V. Luminaire with a reflector and leds
US6832845B1 (en) * 2001-06-14 2004-12-21 Thomas E. Kretzschmar Contour light projector
WO2006105646A1 (en) * 2005-04-06 2006-10-12 Tir Systems Ltd. Lighting module with compact colour mixing and collimating optics
US20080030974A1 (en) * 2006-08-02 2008-02-07 Abu-Ageel Nayef M LED-Based Illumination System
US20090035275A1 (en) * 2003-10-31 2009-02-05 John Geoffrey Pickering Methods and formulations for protecting cells, and for treating diseases and conditions by optimizing the intracellular concentration of NAD

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1928564A (en) * 1932-07-26 1933-09-26 Jackson John Headlight
JPH0364406A (ja) 1989-07-31 1991-03-19 Kobe Steel Ltd 金属溶湯ノズル
JPH0720801Y2 (ja) * 1989-10-26 1995-05-15 株式会社小糸製作所 拡散角度可変型ランプ装置
US5068768A (en) * 1990-03-28 1991-11-26 Koito Manufacturing Co., Ltd. Variable light distribution type automobile lamp
JP3200185B2 (ja) 1992-08-19 2001-08-20 東京瓦斯株式会社 立体図の出図装置
JPH0668208U (ja) * 1993-03-05 1994-09-22 株式会社小糸製作所 配光可変型車両用灯具
US7152996B2 (en) 2001-04-27 2006-12-26 Altman Stage Lighting Co., Inc. Diode lighting system
US6809869B2 (en) * 2002-08-28 2004-10-26 Genlyte Thomas Group Llc Zoomable beamspreader for non-imaging illumination applications
US20050168986A1 (en) 2004-01-30 2005-08-04 Scott Wegner Reflector assemblies for luminaires
ATE458166T1 (de) * 2004-10-18 2010-03-15 Koninkl Philips Electronics Nv Hocheffiziente led-lichtquellenanordnung
JP4511446B2 (ja) 2005-10-31 2010-07-28 ニチコン株式会社 光源装置
EP2076712B1 (en) * 2006-09-21 2020-08-12 IDEAL Industries Lighting LLC Lighting assembly, method of installing same, and method of removing same
JP2009129794A (ja) 2007-11-27 2009-06-11 Panasonic Electric Works Co Ltd スポットライト
EP2265861B1 (en) 2008-03-13 2014-10-22 Fraen Corporation Reflective variable spot size lighting devices and systems
US7946735B2 (en) 2008-08-22 2011-05-24 Joseph Chou LED lighting apparatus having heat dissipating frame
US8070328B1 (en) * 2009-01-13 2011-12-06 Koninkliljke Philips Electronics N.V. LED downlight
JP5734283B2 (ja) 2009-06-16 2015-06-17 コーニンクレッカ フィリップス エヌ ヴェ スポット照明のための照明システム
KR20120037469A (ko) 2009-06-16 2012-04-19 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 점 조명용 조명 시스템

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU949292A1 (ru) * 1979-05-08 1982-08-07 Предприятие П/Я Р-6504 Прожектор
SU1352437A1 (ru) * 1986-06-18 1987-11-15 Ленинградский Институт Точной Механики И Оптики Осветительное устройство
US6200002B1 (en) * 1999-03-26 2001-03-13 Philips Electronics North America Corp. Luminaire having a reflector for mixing light from a multi-color array of leds
WO2002050472A1 (en) * 2000-12-21 2002-06-27 Koninklijke Philips Electronics N.V. Luminaire with a reflector and leds
US6832845B1 (en) * 2001-06-14 2004-12-21 Thomas E. Kretzschmar Contour light projector
US20090035275A1 (en) * 2003-10-31 2009-02-05 John Geoffrey Pickering Methods and formulations for protecting cells, and for treating diseases and conditions by optimizing the intracellular concentration of NAD
WO2006105646A1 (en) * 2005-04-06 2006-10-12 Tir Systems Ltd. Lighting module with compact colour mixing and collimating optics
US20080030974A1 (en) * 2006-08-02 2008-02-07 Abu-Ageel Nayef M LED-Based Illumination System

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2667346C1 (ru) * 2017-06-22 2018-09-18 Павел Александрович Горбенко Способ проецирования изображения на поверхности реальных объектов

Also Published As

Publication number Publication date
US20130155671A1 (en) 2013-06-20
CN103097805B (zh) 2016-05-04
BR112013005505A2 (pt) 2017-09-19
RU2013115918A (ru) 2014-10-20
CN103097805A (zh) 2013-05-08
EP2614291B1 (en) 2017-01-18
EP2614291A1 (en) 2013-07-17
US9169997B2 (en) 2015-10-27
JP5881221B2 (ja) 2016-03-09
WO2012032455A1 (en) 2012-03-15
JP2013541808A (ja) 2013-11-14
TW201213732A (en) 2012-04-01

Similar Documents

Publication Publication Date Title
RU2608541C2 (ru) Устройство для местного освещения
US9933137B2 (en) Projecting light fixture with dynamic illumination of beam shaping object
US20100097802A1 (en) Light collection system for an led luminaire
US20140301071A1 (en) Illumination device with multi-colored light beam
EP3052858A1 (en) Illumination device with spinning zoom lens
WO2015138483A2 (en) Optical system for an led luminaire
CN109695851B (zh) 灯具
CN108770140B (zh) 具有可变焦距比数的多源照明装置
US10408402B2 (en) Optical system for a LED luminaire
US20130163239A1 (en) Mixing optical zoom system with moving gate and gobo
WO2017027797A1 (en) Vortex light projection system, led lensless primary optics system, and perfectly random led color mixing system
WO2012107863A1 (en) Method for color mixing
CN114938656B (zh) 具有白光和非白光光源的照明装置
WO2017165685A1 (en) Optical system for an led luminaire

Legal Events

Date Code Title Description
HZ9A Changing address for correspondence with an applicant
MM4A The patent is invalid due to non-payment of fees

Effective date: 20190906