EP1384029A4 - Integriertes helmbeleuchtungssystem - Google Patents
Integriertes helmbeleuchtungssystemInfo
- Publication number
- EP1384029A4 EP1384029A4 EP02725286A EP02725286A EP1384029A4 EP 1384029 A4 EP1384029 A4 EP 1384029A4 EP 02725286 A EP02725286 A EP 02725286A EP 02725286 A EP02725286 A EP 02725286A EP 1384029 A4 EP1384029 A4 EP 1384029A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- helmet
- electroluminescent lamp
- light emitting
- lamp
- 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- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
- A42B3/0433—Detecting, signalling or lighting devices
- A42B3/044—Lighting devices, e.g. helmets with lamps
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F21/00—Mobile visual advertising
- G09F21/02—Mobile visual advertising by a carrier person or animal
Definitions
- This invention relates generally to applications for using illuminated displays, and more particularly, to an integrated helmet illumination system.
- Electroluminescent (EL) panels or lamps provide illumination for a wide array of objects such as watches, vehicle instrument panels, computer monitors, etc. These EL panels are typically formed by positioning an electroluminescent material, such as phosphor, between two electrodes, one of which is essentially transparent. The electric field created by applying an electric current to the electrodes causes excitation of the electroluminescent material and emission of light therefrom, which is viewed through the transparent electrode. Advancements in materials science have led to the formation of EL panels from thin, elongate, flexible strips of laminated material having a variety of shapes and sizes. Safety helmets, such as bicycle helmets, constructions helmets, climbing helmets, and the like, are often provided with indicators to alert others as to the presence of a person wearing the helmet.
- an electroluminescent material such as phosphor
- light reflective strips are often formed onto such helmets to make the helmet more easily seen when a light source is incident on the strips.
- a bicycle helmet may have a number of reflective strips disposed across the helmet surface such that the lights of a vehicle incident on the helmet will be reflected back to the vehicle driver to alert the driver of the presence of a helmet-wearing bicyclist.
- light sources such as halogen bulbs, are often attached to the exterior of a safety helmet to alert others as to the presence of the person wearing the helmet.
- these indicators suffer from major drawbacks; light reflective strips are only effective if light is incident on the strips, and if light reflected therefrom is easily seen; most light sources are bulky and the mounting of such light sources may compromise the integrity of the safety helmet.
- the present invention provides an integrated helmet illumination system and process for forming thereof.
- the system comprises a protective helmet, a substrate affixed to the helmet, and an electroluminescent lamp positioned between the substrate and the protective helmet.
- the substrate is affixed to an exterior surface of the helmet to define a helmet outer shell portion.
- the substrate is fabricated with a light-transmissive viewing area through which the illumination of the electroluminescent lamp is viewed.
- the substrate can be formed out of a transparent light reflective material to reflect light incident upon the helmet outer shell.
- the integrated helmet illumination system is formed by the following process. First, a substrate is formed to have a light transmissive viewing area. Optionally, display designs or images can be formed onto the substrate. Then, an electroluminescent lamp is affixed to a surface of the substrate over the light transmissive area. For example, the component layers of the electroluminescent lamp may be printed onto the substrate viewing area. The substrate and electroluminescent lamp affixed thereto are then vacuum molded or formed. This step forms the substrate into the helmet outer shell. Finally, the helmet outer shell with electroluminescent lamp thereon is attached to an exterior surface of a protective helmet such that the lamp is positioned between the outer shell and the protective helmet. By this process, a durable, low profile illumination solution is provided for a safety helmet.
- the illumination system can be configured to reflect incident light as well as providing a light source.
- the substrate outer shell protects the electroluminescent lamp components from exposure to impact loads, as well as environmental conditions. Because various images or designs can be formed directly onto the substrate, the helmet illumination system of the present invention can serve as both a form of illuminated advertising (e.g. EL lamp illumination shaped as a logo or icon) and as a visual defense mechanism to alert others as to the presence of the helmet wearer.
- FIG. 1 is a side elevational view of the integrated helmet illumination system in accordance with an embodiment of the present invention.
- Figure 2 is an exploded side view of the integrated helmet illumination system in accordance with an embodiment of the present invention.
- Figure 3 is a rear elevational view of the integrated helmet illumination system in accordance with an embodiment of the present invention.
- Figure 4 is a flowchart illustrating an exemplary process for forming the integrated helmet illumination system in accordance with an embodiment of the present invention.
- the present invention provides a process for integrating a protective helmet and electroluminescent lamp to form a helmet illumination system.
- certain components of the illumination system may be formed together as disclosed in U.S. Patent Serial No. 6,203,391 of Murasko, the teachings of which are incorporated by reference herewith.
- the '391 patent discloses processes for forming electroluminescent signs by combining electroluminescent lamp components with a sign substrate.
- the materials used for the EL lamp components may also include those disclosed in U.S. Patent Application Serial No. 09/815,078, filed March 22, 2001, for an "Electroluminescent Multiple Segment Display Device", the teachings of which are incorporated by reference herewith.
- system 100 comprises a protective helmet 102 (e.g. a helmet "biscuit"), a substrate 104 affixed to protective helmet 102, and an electroluminescent lamp 106 positioned between the substrate 104 and protective helmet 102.
- Substrate 104 defines at least a portion of a helmet outer shell 108 such that substrate 104 and protective helmet 102 may form a complete helmet assembly 110 encasing EL lamp 106 therein.
- substrate 104 it is only necessary to configure substrate 104 to cover areas of helmet 102 that are desired to be illuminated by EL lamp 106, such that another substrate section not having illuminated areas may combined with substrate 104 to form a complete helmet outer shell 108.
- Protective helmet 102 may be of any type of helmet, such as a bicycle helmet, construction helmet, climbing helmet, general safety helmet, and the like, and may be made of materials such as styrofoam and other impact absorbing materials.
- the helmet is a bicycle helmet.
- Protective helmet 102 has an interior surface (not shown) that is configured to generally rest upon a head of a helmet wearer, and an exterior surface 112 to which substrate 104 is affixed.
- a power source 114 such as a battery, is preferably disposed within a recessed portion 116 of protective helmet 102 at a rearward section 118 of the helmet to supply electrical energy to electroluminescent lamp 106 for illumination.
- a battery compartment 120 having an access door 122 may be positioned in recessed portion 116 to house the battery.
- a control switch 124 may be mounted on the battery compartment 120 to control electrical energy discharge from power source 114 to EL lamp 106.
- Switch 124 may be an on/off switch, a timer switch with a strobe feature to turn the EL lamp illumination on and off every few seconds.
- a controller such as a microprocessor and memory, may be electrically connected to power source 114 to vary the illumination pattern of EL lamp 106 by, for example, illuminating certain regions of EL lamp 106 at specific time intervals (i.e. successively illuminating the letters "B-I-K-E-R" formed on the lamp), or by varying the intensity of illumination, and may be configured to create a moving light image.
- Substrate 104 is typically a thin, planar structure, and forms the base layer upon which electroluminescent lamp component layers are formed, and also serves as at least a portion of the helmet outer shell 108 to protect EL lamp 106 from exposure to environmental conditions.
- Substrate 104 has an outer surface 126 and an inner surface 128 which faces and overlies helmet exterior surface 112.
- Light-transmissive materials i.e. transparent or translucent materials
- preferably heat stable yet deformable polycarbonate-type plastic make up at least a portion of substrate 104 through which the illumination of EL lamp 106 is to be viewed.
- the materials chosen for the substrate should allow the substrate 104 to be formed to overlie helmet exterior surface 112, and be sufficiently durable (i.e.
- substrate 104 may have background layer formed thereon as a display or image (e.g., wording, logos, icons, etc.) by, for example, colored printable inks.
- the background layer may be either light-transmissive or optically opaque so long as a light- transmissive viewing area 130 remains on substrate 104 such that the illumination of EL lamp 106 can be viewed therethrough.
- EL lamp 106 comprises a transparent front electrode formed on substrate inner surface 128, a light emitting layer formed on the transparent front electrode, if an electroluminescent phosphor is used for the light emitting layer, a dielectric layer formed on the light emitting layer, and a rear electrode formed on the light emitting layer, or if the optional dielectric layer is provided, the rear electrode is formed on such dielectric layer.
- each of the components of EL lamp 106 may be successively applied onto substrate 104 by a variety of means, including stenciling, flat coating, brushing, rolling, and spraying, but preferably are printed onto the substrate by screen or ink jet printing.
- the EL lamp components may be made from the following materials: the transparent front electrode may be fabricated from organics, such as polyaniline, polypyrrole, poly- phenyleneamine-imine, and polyethylene-dioxithiophene, or inorganics, such as indium-tin-oxide; the light emitting layer may be fabricated from organics, such as light-emitting polymers/organic light emitting diodes, or non-organics, such as phosphor layer of electroluminescent particles, e.g., zinc sulfide doped with copper or manganese which are dispersed in a polymeric binder; the dielectric layer of high dielectric constant material such as barium titanate; and the rear electrode may be fabricated from organics, such as polyani
- the light emitting layer is made of a light emitting polymer that requires low voltage for operation, typically about 10 volts or less.
- the background layer formed as a display or image may be formed onto substrate inner surface 128 prior to EL lamp 106 being formed thereon.
- illuminated images can be formed by positioning the light emitting layer of EL lamp 106 in the form of such images.
- electroluminescent lamp 106 could be formed on outer surface 126 of substrate 104 such that illumination emanating from EL lamp 106 would not have to travel through substrate 104 to be viewed.
- substrate 104 would not have to be light-transmissive, but would be formed with a reserved area.
- the reserved area is generally a location on substrate 104 which is image-free, or where it is unnecessary to view a display or image on substrate 104 that may be blocked by placement of EL lamp 106 thereon.
- EL lamp 106 is formed in a forward build on substrate 104 in a manner similar to that taught in the '391 patent.
- EL lamp 106 comprises a rear electrode formed onto substrate outer surface 126, if an electroluminescent phosphor is used for the light emitting layer, a dielectric layer formed on to the rear electrode, a light emitting layer formed on the rear electrode, or if the dielectric layer is included, the light emitting layer is formed on such dielectric layer, and a transparent front electrode layer formed on the light emitting layer.
- these EL lamp components are printed onto substrate 104.
- a light- transmissive electrically insulative material such as an ultraviolet coating, may be positioned to overlie EL lamp 106 to reduce the risk of electric shock by contacting electrically conductive parts of the lamp, and to prevent short circuits due to exposure to environmental conditions.
- EL lamp 106 is an electroluminescent phosphor
- power source 114 is a DC (direct current) power source, such as a battery
- power source 114 is connected to an inverter which converts DC to AC (alternating current) power while boosting the voltage and frequency rating. The AC power is then brought to the front and rear electrode of EL lamp for illumination of the light emitting layer.
- a transparent light reflective layer is formed over substrate outer surface 126 of EL lamp 106 as taught in U.S. Patent Serial No. 5,552,679 of Murasko, the teachings of which are incorporated by reference herewith.
- the light reflective layer reflects light incident on substrate 104 from sources such as car headlights, etc., while allowing the illumination of EL lamp 106 to be viewed therethrough by an observer.
- the light reflective layer may be attached substrate outer surface 126 by various methods such as heat bonding or by the use of transparent adhesives.
- a set of leads 132 are formed on substrate inner surface 128 to electrically connect power source 114 to EL lamp 106 to bring electrical energy to the lamp for illumination. These leads 132 connect to the front and rear electrodes of EL lamp 106.
- leads 132 comprise a front outlying electrode lead configured to substantially surround and electrically contact the transparent front electrode of EL lamp 106, and a rear electrode lead configured to electrically contact the rear electrode of EL lamp 106.
- leads 132 are positioned to extend off of substrate 104 forming a portion of the helmet outer shell 108 to form lead tails 134 that extend to the location of the power source 114 on helmet 102 (e.g., to battery compartment 120 of helmet rearward section 118).
- FIG. 4 is a flow chart showing an exemplary sequence of steps for fabricating the helmet illumination system 100 of the present invention.
- an optional background layer of a display or image may be formed onto substrate 104.
- the background layer may comprise colored inks that are printed onto substrate 104 in a desired pattern.
- Such inks may be light-transmissive or optically opaque so long as a light-transmissive viewing area 130 remains on substrate 104 such that the illumination of electroluminescent lamp 106 can be viewed therethrough.
- viewing area 130 is an area of substrate 104 that is free of a background layer display or image.
- electroluminescent lamp 106 is formed onto viewing area 130 of substrate inner surface 128.
- the EL lamp components are successively screen printed onto viewing area 130 in the following order: the transparent front electrode on substrate inner surface 128; the light emitting layer on the transparent front electrode; if an electroluminescent phosphor is used for the light emitting layer, the dielectric layer on the light emitting layer; and the rear electrode on the light emitting layer, or if the optional dielectric layer is provided, the rear electrode is on such dielectric layer.
- leads 132 i.e., rear electrode lead and front outlying electrode lead
- leads 132 are affixed to the substrate inner surface 128 with EL lamp 106 and positioned such that when substrate 104 is formed to helmet exterior surface 112 in a later step, leads 132 extend to rearward section 118 of helmet 102 to form lead tails 134.
- Substrate 104 and EL lamp 106 formed thereon are now ready to form at least a portion of helmet outer shell 108 to be affixed to helmet exterior surface 112.
- EL lamp 106 and substrate are typically a flat, sheet-like structure that need to be molded into a three-dimensional shape that mates with helmet exterior surface 112.
- Substrate 104 and EL lamp 106 are then placed in the frame of a vacuum form type machine, such as a Qvac model PC 2430PD of Santa Fe Springs, CA.
- a mandrel mold is fabricated with peaks and valleys and includes draw depths between about 0 inches and about 24 inches.
- Substrate 104 is inserted into the vacuum form machine such that the substrate outer surface 126 (i.e.
- the surface viewable upon forming the helmet outer shell 108 integral with helmet exterior surface 112) is in a forward viewing position and EL lamp 106 formed on substrate inner surface 128 is facing down or towards a mandrel table.
- a mandrel form of helmet 102 is place on the vacuum table and the temperature of the oven is set in a range of at about 500 degrees to 650 degrees Fahrenheit and the dwell vacuum time is set.
- the dwell time is a heat dwell ranging from about 10 to 20 seconds for a substrate of thickness of about 7 to 150 microns. However, such dwell time will vary based on the thickness of substrate 104.
- the vacuum form machine is turned on and a cycle is run.
- a frame containing substrate 104 is placed over the heater and the plastic slightly deforms or sags downward and thereafter tightens up in about a 10 to 20 seconds time period.
- substrate 104 is mechanically pulled down onto the mandrel mold which applies a vacuum pull in two places, a bottom of the vacuum form face, and through openings in the mandrel mold that allow for even pressure pull to substrate 104.
- Substrate 104 is then formed into the desired shape of a helmet outer shell 108 (i.e. the shape of the mandrel mold). Air pressure is then reversed through the openings utilized to create the vacuum which releases helmet outer shell 108 from the mold.
- Outer shell 108 is then removed and the ventilation holes for the helmet are trimmed out.
- the finished outer shell 108 and integral EL lamp 106 are then ready to be electrically connected to power source 1 14 with leads 132 and the assembly installed onto the helmet exterior surface 112.
- the helmet outer shell assembly with EL lamp 106 formed thereon may be attached to the protective helmet 102 by any means, such as by fasteners, adhesives, or similar means, such that EL lamp 106 is positioned between substrate 104 and helmet 102.
- the helmet illumination system 100 of the present invention results in a more integrated, lower profile, and more durable illumination solution for a helmet.
- System 100 may be configured to reflect light incident on the helmet outer shell 108 while also illuminating in specific area.
- the illumination can be configured to be in varying colors and designs (wording, logos, icon) depending on the design of the light emitting layer of EL lamp 106 and the background layer formed on substrate 104.
- the process for fabricating the helmet illumination system 100 has the advantage of not requiring any independent wiring, because EL lamp 106 and leads 132 have been formed below the helmet outer shell 108.
Landscapes
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Marketing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Helmets And Other Head Coverings (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27782801P | 2001-03-22 | 2001-03-22 | |
US277828P | 2001-03-22 | ||
PCT/US2002/008724 WO2002077520A1 (en) | 2001-03-22 | 2002-03-22 | Integrated helmet illumination system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1384029A1 EP1384029A1 (de) | 2004-01-28 |
EP1384029A4 true EP1384029A4 (de) | 2004-06-30 |
Family
ID=23062521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02725286A Withdrawn EP1384029A4 (de) | 2001-03-22 | 2002-03-22 | Integriertes helmbeleuchtungssystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US20020157173A1 (de) |
EP (1) | EP1384029A4 (de) |
JP (1) | JP2004526879A (de) |
WO (1) | WO2002077520A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002259077A1 (en) | 2001-04-30 | 2002-11-11 | Lumimove, Inc. | Electroluminescent devices fabricated with encapsulated light emitting polymer particles |
US7029763B2 (en) | 2002-07-29 | 2006-04-18 | Lumimove, Inc. | Light-emitting phosphor particles and electroluminescent devices employing same |
US7361413B2 (en) * | 2002-07-29 | 2008-04-22 | Lumimove, Inc. | Electroluminescent device and methods for its production and use |
US7536731B1 (en) * | 2004-06-14 | 2009-05-26 | Martin Barry Feldman | Head covering and insignia display assembly |
US7645177B2 (en) * | 2005-05-07 | 2010-01-12 | Hewlett-Packard Development Company, L.P. | Electroluminescent panel with inkjet-printed electrode regions |
US9526292B2 (en) | 2005-05-17 | 2016-12-27 | Michael Waters | Power modules and headgear |
US20070033714A1 (en) * | 2005-08-09 | 2007-02-15 | Wen-Chung Lai | Helmet with multiple illuminants and a detachable cover |
CA2660317C (en) * | 2006-09-19 | 2013-07-16 | W.W. Grainger, Inc. | Hard hat outer shell having clear acrylic construction and internal illumination |
US20080244810A1 (en) * | 2007-04-03 | 2008-10-09 | Lawson Hunter J | Helmet with built-in storage compartment and method |
US8757831B2 (en) | 2007-12-18 | 2014-06-24 | Michael Waters | Headgear having an electrical device and power source mounted thereto |
CA2753717C (en) | 2009-02-27 | 2016-07-12 | Michael Waters | Lighted hat |
US8978165B2 (en) * | 2010-03-22 | 2015-03-17 | Jorge L. Franco | Helmet protective skin |
CA2797973A1 (en) | 2010-04-30 | 2011-11-03 | Michael Waters | Hands free lighting devices |
US10629103B2 (en) | 2010-06-17 | 2020-04-21 | Light Bohrd, LLC | Systems and methods for luminescent display |
CA2794370A1 (en) | 2011-11-04 | 2013-05-04 | Michael Waters | Hat with automated shut-off feature for electrical devices |
US9568173B2 (en) | 2011-12-23 | 2017-02-14 | Michael Waters | Lighted hat |
US9526287B2 (en) | 2011-12-23 | 2016-12-27 | Michael Waters | Lighted hat |
US9609902B2 (en) | 2011-12-23 | 2017-04-04 | Michael Waters | Headgear having a camera device |
WO2014100477A1 (en) | 2012-12-19 | 2014-06-26 | Michael Waters | Lighted solar hat |
WO2014144507A1 (en) | 2013-03-15 | 2014-09-18 | Michael Waters | Lighted headgear |
US9980530B2 (en) * | 2013-09-26 | 2018-05-29 | Adam S. Hassan | Optimized visual field helmets |
WO2015085052A1 (en) * | 2013-12-04 | 2015-06-11 | Light Bohrd, LLC | Systems and method for luminescent display |
USD770143S1 (en) | 2014-05-23 | 2016-11-01 | Michael Waters | Beanie with means for illumination |
WO2018044978A1 (en) | 2016-08-30 | 2018-03-08 | Harris Mareo Alexander | Illuminating helmet |
US10791783B1 (en) | 2019-05-16 | 2020-10-06 | Waters Industries, Inc. | Lighted headgear and accessories therefor |
CN113508950A (zh) * | 2021-04-27 | 2021-10-19 | 柯盛华 | 一种用于头盔的照明装置 |
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US4665342A (en) * | 1984-07-02 | 1987-05-12 | Cordis Corporation | Screen printable polymer electroluminescent display with isolation |
US5426792A (en) * | 1993-07-15 | 1995-06-27 | Murasko; Matthew M. | Electroluminescent and light reflective helmet |
US5559680A (en) * | 1995-04-11 | 1996-09-24 | Tabanera; Dennis A. | Electroluminescent bicycle helmet |
US5570946A (en) * | 1995-05-10 | 1996-11-05 | Chien; Tseng L. | Protective headwear including super-thin lighting |
Family Cites Families (21)
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US3153745A (en) * | 1962-02-27 | 1964-10-20 | Madlgan Electronic Corp | Portable illuminating device |
IT7811872V0 (it) * | 1978-11-10 | 1978-11-10 | Ippoliti Augusto E Lisotti Sil | Casco specialmente da motociclista luminoso ed evntualemente sonoro |
WO1989010607A1 (en) * | 1988-04-24 | 1989-11-02 | Calamia Thomas J | Illuminated sign |
US4993082A (en) * | 1990-01-05 | 1991-02-19 | Giro Sport Design, Inc. | Method for making helmet with indelibly ornamented cover |
US5111366A (en) * | 1991-05-17 | 1992-05-05 | Gift Asylum, Inc. | Cap having illuminated indicia |
US5758947A (en) * | 1993-03-12 | 1998-06-02 | Glatt; Terry L. | Illuminated safety helmet with layer for electrically connecting light emitting diodes |
US5327587A (en) * | 1993-05-26 | 1994-07-12 | Marni Hurwitz | Illuminated safety helmet |
US5469342A (en) * | 1994-01-25 | 1995-11-21 | Chien; Tseng L. | Light-strip apparatus |
US5479325A (en) * | 1994-04-12 | 1995-12-26 | Chien; Tseng-Lu | Headgear with an EL light strip |
US5566384A (en) * | 1994-05-23 | 1996-10-15 | Chien; Tseng-Lu | Vehicle with an EL light strip |
US5794366A (en) * | 1994-09-15 | 1998-08-18 | Chien; Tseng-Lu | Multiple segment electro-luminescent lighting arrangement |
US5564128A (en) * | 1994-10-03 | 1996-10-15 | Richardson; Patrick J. | Safety helmet with electroluminescent lamp |
US5810467A (en) * | 1995-04-07 | 1998-09-22 | Hurwitz; Marni M. | Electroluminescent illuminated protective hat such as a hard hat, helmet and the like, and a retrofit unit for retrofitting existing protective hats to include an electroluminescent illumination device |
US5879069A (en) * | 1996-03-05 | 1999-03-09 | Chien; Tseng Lu | EL light strip device for footwear |
US5845987A (en) * | 1996-10-08 | 1998-12-08 | Painter; John M. | Illuminated accessory and device |
US5856030A (en) * | 1996-12-30 | 1999-01-05 | E.L. Specialists, Inc. | Elastomeric electroluminescent lamp |
US6113244A (en) * | 1997-05-28 | 2000-09-05 | Baumgartner; Michael P. | Fiber optic lighted helmet |
US6465969B1 (en) * | 1997-08-04 | 2002-10-15 | Lumimove, Inc. | Electroluminescent display intelligent controller |
US6203391B1 (en) * | 1997-08-04 | 2001-03-20 | Lumimove Company, Mo L.L.C. | Electroluminescent sign |
US6116745A (en) * | 1998-11-02 | 2000-09-12 | Gordon Industries Ltd. | Garment with an electroluminescent circuit |
US20020159250A1 (en) * | 2001-04-25 | 2002-10-31 | Kuo Yin Jyh | Safety hat having alerting function |
-
2002
- 2002-03-22 EP EP02725286A patent/EP1384029A4/de not_active Withdrawn
- 2002-03-22 US US10/104,135 patent/US20020157173A1/en not_active Abandoned
- 2002-03-22 JP JP2002575531A patent/JP2004526879A/ja not_active Withdrawn
- 2002-03-22 WO PCT/US2002/008724 patent/WO2002077520A1/en not_active Application Discontinuation
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4665342A (en) * | 1984-07-02 | 1987-05-12 | Cordis Corporation | Screen printable polymer electroluminescent display with isolation |
US5426792A (en) * | 1993-07-15 | 1995-06-27 | Murasko; Matthew M. | Electroluminescent and light reflective helmet |
US5559680A (en) * | 1995-04-11 | 1996-09-24 | Tabanera; Dennis A. | Electroluminescent bicycle helmet |
US5570946A (en) * | 1995-05-10 | 1996-11-05 | Chien; Tseng L. | Protective headwear including super-thin lighting |
Non-Patent Citations (1)
Title |
---|
See also references of WO02077520A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2002077520A1 (en) | 2002-10-03 |
JP2004526879A (ja) | 2004-09-02 |
US20020157173A1 (en) | 2002-10-31 |
EP1384029A1 (de) | 2004-01-28 |
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