CA2868672C - Improvements in or relating to deformable non-round membrane assemblies - Google Patents
Improvements in or relating to deformable non-round membrane assemblies Download PDFInfo
- Publication number
- CA2868672C CA2868672C CA2868672A CA2868672A CA2868672C CA 2868672 C CA2868672 C CA 2868672C CA 2868672 A CA2868672 A CA 2868672A CA 2868672 A CA2868672 A CA 2868672A CA 2868672 C CA2868672 C CA 2868672C
- Authority
- CA
- Canada
- Prior art keywords
- ring
- membrane
- point
- points
- membrane assembly
- 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.)
- Active
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 386
- 230000000712 assembly Effects 0.000 title description 16
- 238000000429 assembly Methods 0.000 title description 16
- 230000006872 improvement Effects 0.000 title description 4
- 239000012530 fluid Substances 0.000 claims abstract description 55
- 238000005452 bending Methods 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims description 85
- 238000006073 displacement reaction Methods 0.000 claims description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 description 22
- 230000006870 function Effects 0.000 description 15
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 9
- 230000003068 static effect Effects 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000004438 eyesight Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 208000001491 myopia Diseases 0.000 description 5
- 201000009310 astigmatism Diseases 0.000 description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 230000005499 meniscus Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 201000010041 presbyopia Diseases 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012804 iterative process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010020675 Hypermetropia Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 229920001746 electroactive polymer Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 201000006318 hyperopia Diseases 0.000 description 1
- 230000004305 hyperopia Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 238000002430 laser surgery Methods 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 208000014733 refractive error Diseases 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/085—Fluid-filled lenses, e.g. electro-wetting lenses
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Prostheses (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Eyeglasses (AREA)
- Diaphragms And Bellows (AREA)
- Optical Elements Other Than Lenses (AREA)
- Actuator (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Invalid Beds And Related Equipment (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1205394.8A GB201205394D0 (en) | 2012-03-27 | 2012-03-27 | Improvements in or relating to deformable non-round membrane assemblies |
| GB1205394.8 | 2012-03-27 | ||
| PCT/GB2012/051426 WO2013144533A1 (en) | 2012-03-27 | 2012-06-20 | Improvements in or relating to deformable non-round membrane assemblies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2868672A1 CA2868672A1 (en) | 2013-10-03 |
| CA2868672C true CA2868672C (en) | 2021-05-25 |
Family
ID=46087214
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2868672A Active CA2868672C (en) | 2012-03-27 | 2012-06-20 | Improvements in or relating to deformable non-round membrane assemblies |
| CA2868650A Active CA2868650C (en) | 2012-03-27 | 2012-12-14 | Improvements in or relating to deformable membrane assemblies |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2868650A Active CA2868650C (en) | 2012-03-27 | 2012-12-14 | Improvements in or relating to deformable membrane assemblies |
Country Status (10)
| Country | Link |
|---|---|
| US (5) | US9709824B2 (enExample) |
| EP (3) | EP2831665B1 (enExample) |
| JP (4) | JP2015513121A (enExample) |
| CN (2) | CN104364699B (enExample) |
| BR (2) | BR112014024036B1 (enExample) |
| CA (2) | CA2868672C (enExample) |
| GB (2) | GB201205394D0 (enExample) |
| IN (2) | IN2014DN08692A (enExample) |
| RU (2) | RU2637383C2 (enExample) |
| WO (1) | WO2013144533A1 (enExample) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013126986A1 (en) * | 2012-02-29 | 2013-09-06 | Webb Garth T | Method and apparatus for modulating prism and curvature change of refractive interfaces |
| GB201205394D0 (en) | 2012-03-27 | 2012-05-09 | Adlens Ltd | Improvements in or relating to deformable non-round membrane assemblies |
| WO2013170120A1 (en) * | 2012-05-11 | 2013-11-14 | Interdigital Patent Holdings, Inc. | Service capability server (scs) terminated short message service (sms) systems and methods |
| GB201301764D0 (en) | 2013-01-31 | 2013-03-20 | Adlens Ltd | Actuation of fluid-filled lenses |
| US10649497B2 (en) * | 2014-07-23 | 2020-05-12 | Apple Inc. | Adaptive processes for improving integrity of surfaces |
| WO2016014047A1 (en) | 2014-07-23 | 2016-01-28 | Apple Inc. | Adaptive processes for improving integrity of surfaces |
| GB2542638A (en) * | 2015-09-28 | 2017-03-29 | Adiens Ltd | An adjustable fluid-filled lens assembly and method for assembling the same |
| AU2017254764B9 (en) | 2016-04-22 | 2022-04-14 | Ocumetics Technology Corp. | Collapsible cavities within suspension systems for intra-ocular lenses |
| US10221011B2 (en) * | 2016-05-09 | 2019-03-05 | RS Welding and Fabrication LLC | Bear-resistant waste disposal containers |
| FR3053800B1 (fr) * | 2016-07-08 | 2019-06-07 | Laclaree | Verres ophtalmiques avec controle dynamique de focale |
| KR102698532B1 (ko) * | 2016-07-12 | 2024-08-26 | 한국전자통신연구원 | 가변 렌즈 모듈 |
| US11105319B2 (en) | 2017-05-05 | 2021-08-31 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
| CN110709757B (zh) * | 2017-05-05 | 2022-11-22 | 哈钦森技术股份有限公司 | 形状记忆合金致动器及其方法 |
| WO2018204888A1 (en) | 2017-05-05 | 2018-11-08 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
| US11333134B2 (en) | 2017-05-05 | 2022-05-17 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
| US11815794B2 (en) | 2017-05-05 | 2023-11-14 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
| US11304796B2 (en) * | 2017-09-25 | 2022-04-19 | Verily Life Sciences Llc | Reinforcement ring for intraocular lens |
| GB201800930D0 (en) | 2018-01-19 | 2018-03-07 | Adlens Ltd | Improvements in or relating to variable focusing power optical devices |
| US11966042B2 (en) | 2018-03-26 | 2024-04-23 | Adlens Ltd. | Augmented reality display units and augmented reality headsets comprising the same |
| GB201805289D0 (en) | 2018-03-29 | 2018-05-16 | Adlens Ltd | Improvements in or relating to variable focusing power optical devices |
| GB201805297D0 (en) * | 2018-03-29 | 2018-05-16 | Adlens Ipr Ltd | Methods And Assemblies Relating To The Manufacture Of Variable Focusing Power Optical Devices |
| GB201805301D0 (en) | 2018-03-29 | 2018-05-16 | Adlens Ltd | Improvements In Or Relating To Variable Focusing Power Optical Devices |
| US11378806B1 (en) * | 2018-12-07 | 2022-07-05 | Facebook Technologies, Llc | Multi-element electromechanical actuation mechanism for asymmetric optical applications |
| EP3894945A1 (en) * | 2018-12-14 | 2021-10-20 | Optotune AG | Shape changing optical device for ophthalmic testing devices |
| CN109491105A (zh) * | 2018-12-21 | 2019-03-19 | 杭州测质成科技有限公司 | 一种临时适配眼镜 |
| US11614570B1 (en) * | 2019-03-26 | 2023-03-28 | Meta Platforms Technologies, Llc | Optical lens assemblies with adaptive elements and related systems and methods |
| US11719960B1 (en) | 2019-05-16 | 2023-08-08 | Meta Platforms Technologies, Llc | Gravity sag compensation in fluid-filled lenses |
| US11635637B1 (en) * | 2019-05-16 | 2023-04-25 | Meta Platforms Technologies, Llc | Fluid lens with low energy membrane adjustment |
| US11333803B2 (en) | 2019-05-16 | 2022-05-17 | Facebook Technologies, Llc | Fluid lens with low energy membrane adjustment |
| US11867927B1 (en) | 2019-05-16 | 2024-01-09 | Meta Platforms Technologies, Llc | Modified membranes for fluid lenses |
| US11561415B1 (en) | 2019-05-16 | 2023-01-24 | Meta Platforms Technologies, Llc | Moving guide actuation of fluid lenses |
| EP3977183A4 (en) | 2019-05-24 | 2022-08-31 | Magic Leap, Inc. | VARIABLE FOCAL SETS |
| EP4485039A3 (en) * | 2019-08-07 | 2025-04-02 | poLight ASA | Spectacles with sandwiched polymer structure |
| US11506825B1 (en) * | 2019-10-24 | 2022-11-22 | Meta Platforms, Inc. | Elastomer based flexures for fluid lenses |
| US11703616B2 (en) | 2019-11-05 | 2023-07-18 | Meta Platforms Technologies, Llc | Fluid lens with low gas content fluid |
| US12153229B2 (en) | 2020-03-12 | 2024-11-26 | Apple Inc. | Electronic devices with adjustable lenses |
| WO2021231789A1 (en) * | 2020-05-14 | 2021-11-18 | Magic Leap, Inc. | Method and system for integration of refractive optics with a diffractive eyepiece waveguide display |
| EP4204866A1 (en) * | 2020-07-24 | 2023-07-05 | Apple Inc. | Electronic device with a tunable lens |
| US11740391B1 (en) | 2020-12-31 | 2023-08-29 | Meta Platforms Technologies, Llc | Fluid lens operational feedback using sensor signal |
| CN117043660A (zh) | 2021-03-15 | 2023-11-10 | 奇跃公司 | 采用可调谐柱面透镜的光学器件和头戴式显示器 |
| US11859598B2 (en) | 2021-06-10 | 2024-01-02 | Hutchinson Technology Incorporated | Shape memory alloy actuators and methods thereof |
| EP4445199A1 (en) * | 2021-12-09 | 2024-10-16 | Optotune Switzerland AG | Focus-tunable liquid lens with bellow-like wall container wall |
| CN115308929B (zh) * | 2022-08-19 | 2025-05-27 | 温州医科大学附属眼视光医院 | 一种延缓近视加深的微透镜多焦点镜片 |
| CN116224591B (zh) * | 2023-02-10 | 2025-07-15 | Oppo广东移动通信有限公司 | 波导模组及增强现实设备 |
| US11982263B1 (en) | 2023-05-02 | 2024-05-14 | Hutchinson Technology Incorporated | Shape metal alloy (SMA) bimorph actuators with reduced wire exit angle |
| US12422682B2 (en) * | 2023-05-03 | 2025-09-23 | Apple Inc. | Adjusting a tunable lens in an electronic device |
| TWI880782B (zh) * | 2024-06-17 | 2025-04-11 | 雅德視國際股份有限公司 | 護目鏡結構 |
Family Cites Families (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1269422A (en) | 1917-11-24 | 1918-06-11 | American Optical Corp | Lens. |
| GB571912A (en) | 1941-05-25 | 1945-09-14 | Friedrich Dessauer | Improvements in or relating to liquid lenses |
| US2576581A (en) | 1946-07-09 | 1951-11-27 | Benjamin F Edwards | Polyfocal spectacles |
| US3161718A (en) | 1961-07-12 | 1964-12-15 | William Kurasch | Variable power fluid lens |
| US3614215A (en) | 1970-04-23 | 1971-10-19 | Leo Mackta | Fluid bifocal spectacle |
| US5138494A (en) * | 1990-05-07 | 1992-08-11 | Stephen Kurtin | Variable focal length lens |
| JPH05303011A (ja) * | 1992-02-25 | 1993-11-16 | Nippondenso Co Ltd | 可変焦点レンズ |
| US5371629A (en) * | 1993-02-04 | 1994-12-06 | Kurtin; Stephen | Non-circular variable focus lens |
| US5668620A (en) | 1994-04-12 | 1997-09-16 | Kurtin; Stephen | Variable focal length lenses which have an arbitrarily shaped periphery |
| US5999328A (en) | 1994-11-08 | 1999-12-07 | Kurtin; Stephen | Liquid-filled variable focus lens with band actuator |
| US5526067A (en) | 1994-12-21 | 1996-06-11 | Polaroid Corporation | Actuation mechanism for variable focal length eyeglasses |
| US6721104B2 (en) * | 1995-05-12 | 2004-04-13 | Pc Lens Corp | System and method for focusing an elastically deformable lens |
| US5774274A (en) * | 1995-05-12 | 1998-06-30 | Schachar; Ronald A. | Variable focus lens by small changes of the equatorial lens diameter |
| GB9511091D0 (en) | 1995-06-01 | 1995-07-26 | Silver Joshua D | Variable power spectacles |
| WO1997038688A1 (en) | 1996-04-12 | 1997-10-23 | Peptide Technology Pty. Limited | Methods of treating immunopathologies using polyunsaturated fattyacids |
| EA002927B1 (ru) | 1996-09-13 | 2002-10-31 | Джошуа Дейвид Силвер | Усовершенствования, касающиеся линз с переменным фокусным расстоянием |
| GB9805977D0 (en) | 1998-03-19 | 1998-05-20 | Silver Joshua D | Improvements in variable focus optical devices |
| US5956183A (en) * | 1998-05-26 | 1999-09-21 | Epstein; Saul | Field-customizable variable focal length lens |
| US6040947A (en) * | 1998-06-09 | 2000-03-21 | Lane Research | Variable spectacle lens |
| JP4106576B2 (ja) * | 1998-08-31 | 2008-06-25 | 株式会社デンソー | 可変焦点レンズ |
| US7646544B2 (en) * | 2005-05-14 | 2010-01-12 | Batchko Robert G | Fluidic optical devices |
| US6715876B2 (en) * | 2001-11-19 | 2004-04-06 | Johnnie E. Floyd | Lens arrangement with fluid cell and prescriptive element |
| GB0202002D0 (en) | 2002-01-29 | 2002-03-13 | Leiv Eiriksson Nyotek A S | Use |
| JP2006106488A (ja) * | 2004-10-07 | 2006-04-20 | Konica Minolta Opto Inc | 可変焦点レンズ及びそれを備えた可変焦点眼鏡 |
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| WO2007017089A1 (en) | 2005-07-25 | 2007-02-15 | Carl Zeiss Smt Ag | Projection objective of a microlithographic projection exposure apparatus |
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| US8414121B2 (en) * | 2009-10-13 | 2013-04-09 | Adlens Beacon, Inc. | Non-round fluid filled lens optic |
| US8136942B2 (en) * | 2009-10-14 | 2012-03-20 | Adlens Beacon, Inc. | Aspheric fluid filled lens optic |
| CA2777722C (en) * | 2009-10-15 | 2016-07-26 | Adlens Beacon, Inc. | Fluid filled lenses and mechanisms of inflation thereof |
| US8353593B2 (en) * | 2009-10-15 | 2013-01-15 | Adlens Beacon, Inc. | Hinge mechanism for a fluid filled lens assembly |
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| GB201014633D0 (en) | 2010-09-02 | 2010-10-13 | Avexxin As | Rheumatoid arthritis treatment |
| KR101180880B1 (ko) | 2011-04-28 | 2012-09-07 | 경북대학교 산학협력단 | 초점가변형 액체 렌즈 |
| GB201205394D0 (en) | 2012-03-27 | 2012-05-09 | Adlens Ltd | Improvements in or relating to deformable non-round membrane assemblies |
-
2012
- 2012-03-27 GB GBGB1205394.8A patent/GB201205394D0/en not_active Ceased
- 2012-06-20 EP EP12740633.8A patent/EP2831665B1/en active Active
- 2012-06-20 IN IN8692DEN2014 patent/IN2014DN08692A/en unknown
- 2012-06-20 JP JP2015502413A patent/JP2015513121A/ja active Pending
- 2012-06-20 RU RU2014144378A patent/RU2637383C2/ru active
- 2012-06-20 US US14/388,741 patent/US9709824B2/en active Active
- 2012-06-20 WO PCT/GB2012/051426 patent/WO2013144533A1/en not_active Ceased
- 2012-06-20 CA CA2868672A patent/CA2868672C/en active Active
- 2012-06-20 BR BR112014024036-1A patent/BR112014024036B1/pt active IP Right Grant
- 2012-06-20 CN CN201280073456.XA patent/CN104364699B/zh active Active
- 2012-11-23 GB GBGB1221140.5A patent/GB201221140D0/en not_active Ceased
- 2012-12-14 CN CN201280073390.4A patent/CN104350413B/zh active Active
- 2012-12-14 JP JP2015502116A patent/JP6250630B2/ja active Active
- 2012-12-14 CA CA2868650A patent/CA2868650C/en active Active
- 2012-12-14 EP EP12809724.3A patent/EP2831666B1/en active Active
- 2012-12-14 IN IN8693DEN2014 patent/IN2014DN08693A/en unknown
- 2012-12-14 EP EP20156155.2A patent/EP3722866A1/en active Pending
- 2012-12-14 RU RU2014144380A patent/RU2689279C2/ru not_active Application Discontinuation
- 2012-12-14 BR BR112014024040-0A patent/BR112014024040B1/pt active IP Right Grant
- 2012-12-14 US US14/388,747 patent/US9810923B2/en active Active
-
2017
- 2017-05-23 JP JP2017101647A patent/JP6835429B2/ja active Active
- 2017-06-08 US US15/617,563 patent/US9791720B2/en active Active
- 2017-10-16 US US15/784,626 patent/US20180101028A1/en not_active Abandoned
-
2019
- 2019-05-22 JP JP2019096142A patent/JP2019164373A/ja active Pending
- 2019-09-25 US US16/583,127 patent/US10823981B2/en active Active
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10823981B2 (en) | Deformable non-round membrane assemblies | |
| CA2868683C (en) | Improvements in or relating to deformable membrane assemblies | |
| US11966042B2 (en) | Augmented reality display units and augmented reality headsets comprising the same | |
| CA2925394C (en) | Improvements in or relating to deformable membrane assemblies | |
| WO2013143630A1 (en) | Improvements in or relating to deformable membrane assemblies | |
| AU2010307011A1 (en) | Aspheric fluid filled lens optic | |
| AU2015204373A1 (en) | Aspheric fluid filled lens optic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20180531 |