EP1196718B1 - A lantern construction - Google Patents

A lantern construction Download PDF

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Publication number
EP1196718B1
EP1196718B1 EP00940016A EP00940016A EP1196718B1 EP 1196718 B1 EP1196718 B1 EP 1196718B1 EP 00940016 A EP00940016 A EP 00940016A EP 00940016 A EP00940016 A EP 00940016A EP 1196718 B1 EP1196718 B1 EP 1196718B1
Authority
EP
European Patent Office
Prior art keywords
light
lighting device
lens
led
globe
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.)
Revoked
Application number
EP00940016A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1196718A1 (en
EP1196718A4 (en
Inventor
David Richard Dalton
John Robert Brown
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.)
Edgewell Personal Care Brands LLC
Original Assignee
Eveready Battery Co Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25646083&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1196718(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from AUPQ1214A external-priority patent/AUPQ121499A0/en
Priority claimed from AUPQ1442A external-priority patent/AUPQ144299A0/en
Application filed by Eveready Battery Co Inc filed Critical Eveready Battery Co Inc
Priority to EP05021585A priority Critical patent/EP1617138B1/en
Publication of EP1196718A1 publication Critical patent/EP1196718A1/en
Publication of EP1196718A4 publication Critical patent/EP1196718A4/en
Application granted granted Critical
Publication of EP1196718B1 publication Critical patent/EP1196718B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • F21V14/045—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors in portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/04—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
    • 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
    • F21V21/06—Bases for movable standing lamps; Fixing standards to the bases
    • 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
    • F21V21/40—Hand grips
    • F21V21/406—Hand grips for portable lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells
    • F21L4/02—Electric lighting devices with self-contained electric batteries or cells characterised by the provision of two or more light sources
    • F21L4/022—Pocket lamps
    • F21L4/027—Pocket lamps the light sources being a LED
    • 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]

Definitions

  • the present invention relates to a portable lighting device including a body adapted to contain dry cells for power in the device, at least one elongated generally tubular translucent lens though which light generated by the device will emit, at least one incandescent globe or LED located at at least one end of the elongated tubular lens, said elongated tubular lens extending a significant distance past the globe or LED.
  • a portable lighting device is known from GB 2 071 300 A .
  • This invention relates to the technical field of portable lighting devices of the type which includes a housing which contains dry cell batteries and which includes a light source which will operate both as a standing light and a light which can be carried.
  • portable lighting devices of the type which includes a housing which contains dry cell batteries and which includes a light source which will operate both as a standing light and a light which can be carried.
  • Such lighting devices have a rotatable lighting component and self-supporting body allowing multipurpose usage.
  • Lights of the aforementioned type are known and are generally considered advantageous in that the light will have more applications than would a conventional torch.
  • portable lights of the aforementioned type and as disclosed in GB 2 071 300 A need to be relatively robust since by their very nature they tend to be knocked and dropped and are frequently used in outdoor environments.
  • the lighting device should be relatively easy to carry and, when so carried, the light transmitted by the device should be projected forwardly whilst the light is being held in a comfortable carrying orientation.
  • Prior art lanterns of the type to which this invention relate tend to be relatively long and slender and have equilibrium difficulties when the lighting portion of the lantern is swung to various positions of use.
  • the stability problems tend to be exacerbated when the lantern is in a generally upside down L-shaped configuration.
  • US 4,231,077 describes a light toy which may be used as a science fiction light ray, comprising a light tube, a light source which is outside the tube, a light tunnel post which is an interference fit inside the light tube, a light bulb, a first reflector co-located with the light bulb which produces a substantially parallel beam of light which is directed through the light tunnel post to the light tube, and a second reflector in form of a reflective cap at the distal end of the light tube to reflect light back into the tube and onto the walls of the light tube. Also this arrangement does not provide a lighting device which may be used in a comfortable way in outdoor environments.
  • a portable lighting device including a body adapted to contain dry cells for power in the device, at least one elongated generally tubular translucent lens though which light generated by the device will emit, at least one incandescent globe or LED located at at least one end of the elongated tubular lens, said elongated tubular lens extending a significant distance past the globe or LED, and circuitry which in use connects the dry cells to said at least one globe or LED, the globe or LED being located within the end of the tubular transparent lens, the globe or LED being a close fit within the tubular transparent lens, whereby light generated by said globe or LED will be emitted through said elongated tubular lens so as to have an appearance similar to that of a fluorescent lamp.
  • the portable lighting device comprises light bulbs or LEDs, thereby providing a lighting device which is relatively robust and easy to handle.
  • the light bulbs or LEDs are arranged relative to the tubular lens in such a way that an appearance similar to that of a fluorescent lamp is provided, thereby providing a lighting device with an optimum light distribution.
  • Embodiments of the lighting device according to the present invention are defined in the dependent claims.
  • a portable lighting device 10 has a body 12 of generally elongate rectilinear form. As will be noted for example, from figures 5 and 6 , the body is generally rectangular in the plan view.
  • the body 12 has a base 14 which is flat and on which the lighting device 10 is adapted to be stood whilst in use as a table top lantern or the like.
  • a battery cover moulding 16 forms part of the base and is removable to replace a battery cartridge indicated by dotted lines at 18. It is envisaged that the cartridge will contain 6"D cell" dry cell batteries.
  • the body 12 has a light housing 20 connected thereto by a pivotal connection 22 located at the upper end of the body.
  • the pivotal connection 22 will be described in more detailed here below.
  • the light housing 20 is made from a translucent central portion 24 which is formed of a front cover 26 and a rear cover 28 which are welded together along weld line 30.
  • An elongate light source 32' is provided in the form of a tubular translucent lens 32 mounted within the light housing 20 and a pair of incandescent lamps 34 located in opposite ends of the tubular lens 32.
  • the tubular lens 32 thus has the appearance of a longitudinal fluorescent lamp but, in fact, lighting is provided by the two incandescent lamps 34.
  • the light housing 20 also includes a lower end portion 36 and an upper end portion 38 which houses the pivotal connection 22.
  • the tubular lens 32 and incandescent lamps 34 of light source 32' can be replaced by a fluorescent lamp, providing appropriate lamp holders are installed.
  • the incandescent lamps 24 can be replaced by one or more LEDs.
  • a handle 40 is integrally formed with body 12 and is located on the operative upper end of the lighting device.
  • the handle 40 as is clear from Figure 3 is narrower than the rest of the body 12. and defines an opening 42 into which a user's fingers are received when carrying the lighting device 10.
  • the handle 40 is inclined upwardly from the rear of the lighting device 10 towards the front thereof, the angle of inclination being approximately 40 .
  • the light emitted by the lamp 34 will project forwardly, and slightly downwardly, thereby providing a forwardly projecting light source 32'when the lighting device 10 is being carried in a comfortable position.
  • the batteries used to power the lighting device 10 can be of considerable weight, therefore in order to make carrying the lighting device 10 more comfortable the handle 40 protrudes slightly from the back of the body 12. In combination with the acute angle of the handle the centre of mass of the lighting device 10 hangs beneath the hand of the carrier when the lighting device 10 is carried in a normal manner.
  • the angle of the handle 40 can differ from 40 and an angle of between 30 and 60 is considered to provide the same characteristics.
  • a switch 44 is located in the upper side of the handle 40 and is easily accessible by user's thumb for switching on and off the light source 32'.
  • the switch 44 can be a three position slide switch, where there is provided two light sources, so that in a first position only one light source is in the closed circuit, and in a second position both light sources are in the closed circuit. The third position being an off position.
  • the front face 48 of the front cover member 26 is of convex shape when viewed in side elevation, that is, the Figure 1 view.
  • This curved form of the cover 26 adds significantly to the strength of the light housing 20 and also serves to distribute light from the light source 32'in a more diffused manner.
  • the curvature of the face 48 is arcuate, and the radius of curvature is relatively large, that is, significantly greater than the overall length of the body.
  • the arcuate form of the cover 26 also serves to provide an aesthetically pleasing appearance to the lighting device 10.
  • the pivotal connection 22 is shown in detail in figures 7 and 8 .
  • the body 12 includes a shaft 50 which spans across opposite sides thereof and provides a relatively rigid mounting axle to which the light housing 20 can connect.
  • the light housing 20 is provided with a pair of straps 52 which passes around the shaft 50, as shown in Figure 8 . and are clamped around the shaft 50 by means of screws 54. The tightness of the grip of straps 52 around the shaft 50 can be varied by adjusting the screws 54. Further, by appropriately sizing the straps 52 and shaft 50, the straps 52 and shaft 50 will yield a relatively similar magnitude of friction when assembled in the lighting device 10 on a production or assembly line. It is desirable that the light housing 20 is able to pivot to any selected position through an arc of approximately 270 . This allows the lighting device 10 to be stood on its base 14 and the light housing 20 can be pivoted away from the body 12 to any selected position.
  • the light housing 20 Since the cover 24 is translucent around its entire periphery, the light housing 20, when standing vertically up away from the body 12 will distribute light in the substantially 360 arc, much in the manner of a candle. Also, the light housing 20 can be positioned at right angles to the length of the body 12 so that the light serves as a reading light or the like. It is envisaged that during assembly the screws 54 will be adjusted so that the frictional grip of the straps 52 around the shaft 50 will be optimised to allow for relatively easy pivoting of the light housing 20 relative to the body 12, yet the light housing 20 will maintain its position relative to the body 12 in any selected position of arc to which it is pivoted.
  • the lighting device 10 need not take the overall form as has been disclosed herein although the form with a device depicted in the drawings is considered advantageous for the reasons outlined above. It is envisaged that the lighting device 10 will be relatively simple to manufacture, and therefore relatively inexpensive and yet will be not only robust but also able to be used in a number of different ways which adds significantly to the versatility of the lighting device 10.
  • a friction device in the form of straps 52 and shaft 50 is preferably utilised, a rotating engagement means which will allow indexed rotational motion such as a ratchet device could be used.
  • Illustrated in Figure 9 is the light housing 26 shown in an elevated position relative to the body 12. In this position, the side 12A of body 12 is visible and the presence of a rectangular reflector 12B is noted.
  • the reflector 12B ensures that the full visible spectrum of light generated from the light source 32'in the light housing 20 will be reflected off the body side 12A ensuring maximum usable light by preventing a substantial amount of visible light being absorbed by the body side 12A.
  • the reflector 12B can be a highly polished sheet material, silvered, white or other highly reflective sheet material which can be a metal plastic or coated plastic.
  • the sheet material is preferably captured between the left and right halves of the body 12, or it can be adhered to the side 12A, or otherwise attached thereto.
  • the reflector 12B can be a white plastic sticker.
  • a side 26A (see figures 7 & 9 ) being that side which is outwardly directed when the light housing 20 is adjacent the body side 12A, is constructed from a frosted or translucent lens, while the opposite side 26B is constructed from a clear or transparent lens.
  • FIG. 10 to 21 Illustrated in Figures 10 to 21 is a lighting device, which is not part of the present invention, in the form of a lantern 102 which has a generally rectangular lens assembly or light housing 104 which is rotatably connected to a generally rectangular body 106 by a pivot assembly 108.
  • the lantern 102 of Figure 10 illustrates the light housing 104 in an extended position whilst Figures 12 , 13 and 15 illustrate the light housing in retracted position relative to the body 106.
  • the body 106 is of a generally rectangular construction having a front face 110, a rear face 112 and left and right sides 114 and 116.
  • the pivot assembly 108 is formed by two angled extensions 118 and 120 which extend away from the body 106 at approximately 45 to the vertical but an angle in the range of 15 to 60 can be utilised.
  • the light housing 104 is illustrated in a vertical orientation which together with the assistance of a foot 122 ensures that the centre of gravity of light housing 104 is located between the forward extremity 122A of the foot 122 and the rearward extremity 122D of the base 122D.
  • the mass of the dry cells and the body 106 being greater than the mass of the light housing 104 ensures that tipping will not occur.
  • a rotatable handle 123 is captured between half 106A and other half 106B of the body 106 and can rotate from a position adjacent the side 112, until it engages the light housing 104. Thus the position of the light housing 104 determines the limits of rotation of handle 123.
  • the pivot assembly 108 cooperates with the forward extremity 122A of the foot 122 so that when the light housing 104 is rotated to its furthest most rotational position as illustrated in Figure 16 , the lantern 102 can be placed on a surface of a table or other horizontal surface (generally represented by the axis 130) forming a three leg arrangement which will maintain the body 106 in a stable orientation with the light housing 104 being at an angle above the axis 130 (the axis 130 being representative of a generally horizontal surface).
  • the handle 123 can cooperate with the rearward extremity 122D as illustrated in Figure 18 so as to rest the body 106 on rearward extremity 122D and edge 123A of handle 123 onto a surface generally represented by phantom line 130.
  • the lantern 102 will have sufficient mass in body 106 to produce a moment of greater magnitude around 123A of handle 123 by comparison to the moment produced by the light housing 104 and the upper body portions including pivot assembly 108 around the same point. This arrangement allows a highly flexible and variable arrangement which can be utilised to obtain high degrees of stability for a user.
  • the lantern 102 includes an on/off switch 124 on the body 106 while the light housing 104 includes an access panel 104A which utilises a screw 104B to secure the lens on the light housing 104 to the lens carrier 126.
  • a cover 104C as illustrated in Figure 17 which is comprised of 5 sides can provide the terminus of the light housing 104.
  • the lantern 102 has the lens housing 104 adjacent to the body 106.
  • an access panel 128 is provided on the forward face 110 of the body 106 so that a user of the lantern 102 can gain access to the battery compartment for replacement or installation of dry cell batteries.
  • the access panel 128 is manufactured from a highly reflective material such as silvered polymeric material, reflective metal or plastic material, or white painted or white coloured material.
  • the lantern 102 Another feature of the lantern 102 is that the light housing 104. when rotated to a vertical or over centre position as illustrated in Figure 16 , generates light in a 360 circle around the longitudinal axis of the light housing 104 and acting in much the same manner as a candle.
  • the cross section through the lantern 102 shows that the pivot assembly 108 includes a pivot clamp 108A which is secured to the body 106 by means of a friction screw 108B.
  • the torque applied to friction screw 108B will determine the level of friction that the pivot clamp 108A will exert onto the spigot or shaft 108C which is integrally formed with or secured to the lens housing 126 in the reduced portion 126A.
  • the pivot clamp 108A allows the lens carrier 126 and light housing 104 to be positioned at any location between the limits of travel of the lens carrier 126. and to hold the lens carrier 126 in that position without any outside assistance.
  • the pivot clamp 108A is able to do this by means of the friction generated with the spigot or shaft 108C.
  • the lens carrier 126 includes a fluorescent tube and electrical connection support 135 while the cover plate 104A or cover 104C has appropriate sockets to receive the terminals 137 of the fluorescent lamps and to electrically connect these ends so that current will flow through both fluorescent tubes.
  • a printed circuit board 141 is included at the top of the body 106 with suitable wires and controls to the on/off switch 124 on the upper surface of the body 106 in the vicinity of the pivot assembly 108.
  • Illustrated in figures 19 and 20 is an additional feature which can be utilised to provide greater efficiency of the light housing 104 and provide a greater range of options available to the user.
  • a rotating reflector plate 128A which if used removes the need to provide access panel 128 with the ability to reflect white light. That is, the panel 128 will not need to reflect white light.
  • the rotating reflector 128A is manufactured from a sheet material which has a face 128B capable of reflecting the visible light spectrum.
  • the reflective material can be anyone of the currently available range of reflective material such as polished, silvered, coated or white sheet materials which can be of metal or plastic as desired.
  • the other side 128C can have the same reflective preparation, but is not preferred.
  • the reflector 128A has two mounting limbs 128D and 128E bent or attached to right angles to the face 128B.
  • the limbs 128D and 128E have coaxial apertures therethrough which are captured in the pivot assembly 108. This mounting arrangement allows the reflector 128A to be rotated simultaneously with the light housing 104 or at any time after if desired.
  • the reflector 128A can be rotated so as to lie adjacent thereto, thus ensuring greater efficiency of light housing 104 to emit light in the downward and rearward direction relative to the body 106.
  • a similar effect results when the light housing 104 and the reflector 128 are both in the retracted position.
  • FIG 21 Illustrated in Figure 21 is a cross section similar to that of Figure 15 , with like parts being is similar to that described above with respect to Figures 1 and 4 .
  • Another alternative light source which could be utilised is a cold cathode fluorescent lamp being approximately 3 to 6 mm in diameter.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Led Device Packages (AREA)
  • Sewing Machines And Sewing (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP00940016A 1999-06-25 2000-06-23 A lantern construction Revoked EP1196718B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05021585A EP1617138B1 (en) 1999-06-25 2000-06-23 A lantern construction

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AUPQ121499 1999-06-25
AUPQ1214A AUPQ121499A0 (en) 1999-06-25 1999-06-25 Portable lighting device
AUPQ144299 1999-07-06
AUPQ1442A AUPQ144299A0 (en) 1999-07-06 1999-07-06 A mult-purpose lantern
PCT/AU2000/000720 WO2001001039A1 (en) 1999-06-25 2000-06-23 A lantern construction

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP05021585A Division EP1617138B1 (en) 1999-06-25 2000-06-23 A lantern construction
EP05021585.4 Division-Into 2005-10-04

Publications (3)

Publication Number Publication Date
EP1196718A1 EP1196718A1 (en) 2002-04-17
EP1196718A4 EP1196718A4 (en) 2004-10-20
EP1196718B1 true EP1196718B1 (en) 2011-11-09

Family

ID=25646083

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05021585A Expired - Lifetime EP1617138B1 (en) 1999-06-25 2000-06-23 A lantern construction
EP00940016A Revoked EP1196718B1 (en) 1999-06-25 2000-06-23 A lantern construction

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05021585A Expired - Lifetime EP1617138B1 (en) 1999-06-25 2000-06-23 A lantern construction

Country Status (5)

Country Link
EP (2) EP1617138B1 (zh)
CN (2) CN1274990C (zh)
AT (2) ATE422648T1 (zh)
DE (1) DE60041560D1 (zh)
WO (1) WO2001001039A1 (zh)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60231484D1 (de) 2001-04-09 2009-04-23 Eveready Battery Inc Verbesserte beleuchtungsvorrichtung
DE102005021429A1 (de) * 2004-08-05 2006-02-23 John Mfg. Ltd., Kwun Tong Kowloon Wiederaufladbares Halogen-Suchlicht
FR2877420B1 (fr) 2004-10-29 2007-05-18 Ad Hoc Design Sarl Dispositif d'eclairage de forme spherique
US20100067222A1 (en) * 2006-12-22 2010-03-18 Tai Pang Ng Mountain Climbing Stick with Illuminating Device
US9845940B2 (en) 2012-06-11 2017-12-19 Energizer Brands, Llc Lighting device and light panel construction
WO2013188276A2 (en) 2012-06-11 2013-12-19 Eveready Battery Company, Inc A lighting device construction
CN105121953A (zh) * 2014-03-14 2015-12-02 百得有限公司 便携式照明设备
JP6876950B2 (ja) 2016-08-30 2021-05-26 パナソニックＩｐマネジメント株式会社 照明器具
CN109630955B (zh) * 2019-01-17 2024-07-30 欧普照明股份有限公司 一种夜灯
JP6890309B2 (ja) * 2019-02-01 2021-06-18 パナソニックＩｐマネジメント株式会社 機能モジュール
AU2021293034A1 (en) * 2020-06-15 2023-01-05 Good Bison, LLC Convertible light device

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AU140167S (en) * 1999-05-03 2000-03-24 Eveready Battery Inc A lighting device

Also Published As

Publication number Publication date
EP1196718A1 (en) 2002-04-17
ATE533009T1 (de) 2011-11-15
CN1130512C (zh) 2003-12-10
DE60041560D1 (de) 2009-03-26
WO2001001039A1 (en) 2001-01-04
EP1617138A3 (en) 2006-06-14
ATE422648T1 (de) 2009-02-15
EP1196718A4 (en) 2004-10-20
EP1617138A2 (en) 2006-01-18
CN1274990C (zh) 2006-09-13
EP1617138B1 (en) 2009-02-11
CN1358263A (zh) 2002-07-10
CN1515820A (zh) 2004-07-28

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