WO2000074168A1 - Portable battery charger - Google Patents
Portable battery charger Download PDFInfo
- Publication number
- WO2000074168A1 WO2000074168A1 PCT/KR2000/000544 KR0000544W WO0074168A1 WO 2000074168 A1 WO2000074168 A1 WO 2000074168A1 KR 0000544 W KR0000544 W KR 0000544W WO 0074168 A1 WO0074168 A1 WO 0074168A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- charging unit
- charger
- pair
- portable battery
- battery charger
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery charger for recharging a battery pack mounted on a mobile station or a separate battery pack.
- a battery charger for a mobile station is used to recharge a battery pack mounted on a mobile station, including a housing having charging pockets for holding a mobile station attached with a battery pack or separate battery pack and electrical contacts formed in the charging pockets for connecting the battery pack to a power supply.
- U. S. Patent No. 5,656,914 granted to Albert L. Nagele discloses a battery charger having two charging pockets, one of which is used for recharging a battery pack mounted on a mobile station, and the other for separate large and small battery packs.
- a portable battery charger having at least one charging pocket for recharging a battery pack mounted on a mobile station or a separate battery pack, comprises: a charger housing including a pair of inside walls facing each other, a ceiling connecting the inside walls, at least one opening side, a mounting space enclosed by the inside walls and ceiling, and a printed circuit board providing at least a pair of electrical contacts; a charging unit having front and rear surfaces, a pair of side surfaces, and at least a top surface detachably mounted in the mounting housing for independently recharging the mobile station while traveling; a guide structure for mounting the charging unit in the charger housing in a vertical fashion, a horizontal fashion, or at any angle between the horizontal and vertical; and an electrical connection device for electrically connecting the charging unit with the charger housing.
- Fig. 1 is a perspective view for illustrating a portable battery charger according to an embodiment of the present
- Fig. 2 is an exploded and perspective view for illustrating the portable battery charger of Fig. 1;
- Fig. 3 is a perspective view for illustrating the lower part of the portable battery charger of Fig. 1;
- Fig. 4 is a plane view of Fig. 3;
- Fig. 5 is a perspective view for illustrating a charging unit of the portable battery charger of Fig. 1;
- Fig. 6 is a perspective view of a transparent window and lenses arranged on the front end of the portable battery charger of Fig. 1;
- Fig. 7 is a cross sectional view of the portable battery charger of Fig. 1 illustrating the charging of both a battery pack mounted on a mobile station and a separate battery;
- Fig. 8 is an exploded and perspective view illustrating a portable battery charger according to another embodiment of the present invention.
- Fig. 9 a perspective view for illustrating the lower part of the battery charger of Fig. 8;
- Fig. 10 is a plane view of Fig. 9;
- Fig. 11 is a perspective view for illustrating a charging unit of the portable battery charger of Fig. 8;
- Fig. 12 is a cross sectional view of the portable battery charger of Fig. 8 illustrating the charging of both a battery pack mounted on a mobile station and a separate battery;
- Figs. 13 A and 13B are perspective views illustrating electrical connection devices according to the present invention
- Figs. 14A to 14D are block diagrams illustrating various examples of charging a battery pack by means of the inventive charging unit.
- a portable battery charger to recharge a batter - pack mounted on a mobile station and a separate battery pack according to a first embodiment of the present invention. It essentially consists of a charger housing 10 and a charging unit 20 mounted in the charger housing 10.
- the charging unit 20 may be separately used for charging a battery pack mounted on a mobile station by using an additional electrical connection device during a journey.
- the charger housing 10 includes two charging pockets or receptacles 120 and 130 to hold either or both the mobile station with a battery pack attached and/or a separate battery pack.
- the charger housing 10 includes a front part 101, a pair of side parts 102, an upper part 103, and a rear part 104.
- the front part 101 is provided with a lower transparent window 110, above which is arranged a first charging pocket 120. Behind the first charging pocket is arranged a second charging pocket 130.
- the first charging pocket 120 includes a bottom 120a, a pair of side walls 120b, and a rear wall 120c.
- the first charging pocket 120 may receive a mobile station attached with a battery pack or a separate battery pack.
- the bottom 120a includes at least a first protuberance 120d.
- the side wall 120b includes at least a second protuberance
- the first protuberances are arranged symmetrically.
- the second protuberances 120e are arranged to face each other.
- a plurality of electrical contacts 140a to 140d are provided between the bottom 120a and the pair of side walls 120b positioned to mate with corresponding electrical contacts of the battery pack.
- the electrical contacts 140a to 140d respectively represent charging contact, data contact, battery history contact, and thermistor contact, symmetrically arranged and accommodating to various batteries of different mobile station models.
- Mounting the charging unit 20 in the charger housing 10, the transparent window 110 enables the user to see two charging indication lights provided in the charging unit 10 to indicate the charging state of the battery.
- One charging indication light 110a may represent the charging state of the battery pack mounted on the mobile station, and the other 110b of the separate battery pack.
- the second charging pocket 130 is to charge a separate large or small battery pack, likewise provided with first and second protuberances and electrical contacts as in the first charging pocket 120.
- the charger housing 10 has a mounting space 141 provided in the lower part to receive the charging unit 20 in the horizontal direction of arrow ®.
- the mounting space 141 is enclosed by a pair of inside walls 141a and a ceiling 141b.
- a guide structure for horizontally mounting the charging unit 20 into the charger housing 10, which consists of a pair of horizontal guide grooves 202a respectively formed in both side surfaces 202 of the charging unit 20, and at least one vertical guide rib 141c symmetrically formed on each of the inside walls 141a of the charger housing 10 so designed to be inserted in the corresponding horizontal guide groove 202a.
- the rear end of the charger housing 104 has an opening 141d to receive the charging unit 10.
- the mounting space 141 as shown in Figs. 3 and 4, is divided into two sub-spaces 141e and 141f, and is so designed that one sub-space 141e is larger than the other sub-space 14 If, in order to accommodate the outline of the charging unit 20 (see Figs 2 and 5).
- the closed rear end 14 lg of the charger housing 10 has a locker 143 provided in a plane surface 14 lh so as to lock the charging unit 20 into the charger housing 10.
- the locker 143 has a hook 143a at its free end.
- the charging unit 20 mounted in the charger housing 10 may be detached by pressing the locker in the direction of arrow ®.
- the locker 143 may be designed to work under the resiliency of a spring.
- Under the locker 143 of the charger housing 10 is provided an electrical connector 144 projected from the closed rear end 141g, which mates with a corresponding electrical connector provided in the charging unit 20 to connect with the printed circuit board provided in the charger housing 10.
- the charger housing 10 is provided with at least one aperture 142 to transmit the lights of the light emitting diodes arranged in the charging unit 20 to the transparent window.
- the charger housing 10 is provided with at least one aperture 142 to transmit the lights of the light emitting diodes arranged in the charging unit 20 to the transparent window.
- two apertures 142 are shown in the present embodiment, more than two apertures 142 may be provided to correspond with more than two light emitting diodes provided in the charging unit.
- the mounting space 141 of the charger housing 10 is divided into a first sub- space 14 le with a higher ceiling part and a second sub-space 14 If with a lower ceiling part so as to form a step in the ceiling 141b.
- the charging unit 20 is shaped to have a thick part 210 and a thin part 220 to correspond with the outline of the ceiling
- the charging unit 20 has a front surface 204, a rear surface 203, a pair of side surfaces 202, a top surface 205, and a leading edge 201 between the front surface 204 and top surface 205.
- the leading edge 201 has the light emitting diodes 230 symmetrically arranged, the rear surface 203 having an electrical connector 240, and the front surface 204 having an interface connector 250.
- Also provided below the interface connector 250 is a locker slot 252 to receive the hook 143a of the locker 143.
- the charging unit 20 is connected through its connection port 240 with an electrical connection device as shown in Fig. 13 A to a power supply provided in a wall to supply power to the battery pack mounted in the charger housing 10.
- the charging unit 20 may be independently and readily used to supply power to various electronic devices such as electric shaver, notebook computer, mobile station, etc. while traveling.
- the charger housing 10 has a transparent window 110 mounted on its front end to include at least a lens 111 slantingly extended from the surface 112, so that the light of the light emitting diodes 230 of the charging unit 20 mounted in the charger housing 10 are passed through the lens 111 to the transparent window 110.
- Two or more lenses 111 may be attached to the transparent window 110.
- Fig. 7 shows that the mobile station 400 attached with the battery pack 410 is mounted in the charger housing 10, electrically connected to the charging unit 20.
- the charger housing 10 includes a printed circuit board 160 provided with a plurality of electrical contacts 140a to 140d and an interface connector 160a.
- the electrical contacts are arranged in the charger housing rather than as part of the charging unit. This makes it possible to independently use the charging unit for charging a portable electronic device during a journey.
- the interface connector 250 of the charging unit 20 is connected to a first connector 170 provided in the charger housing 10, which in turn is connected to the interface connector 160a provided in the printed circuit board through a connection device 165 with a flat-type cable 165a.
- the first connector 170 is horizontally attached to the charger housing 10.
- the connector 160a is vertically mounted in the printed circuit board 160.
- the connector 160a is electrically connected through the electrical contacts to the mobile station attached with a battery pack 410 or a separate battery pack 420.
- the light emitting diodes of the charging unit 20 transmit light to the transparent window 110 to display the charging state of the battery pack.
- the charger housing 10 has at least one aperture 105 to provide a light passage from the light emitting diode through the lens 106 to the transparent window 110.
- the charging unit 20 is vertically inserted into the charger housing 10. The other points are virtually the same as those of the previous embodiment. In other embodiments of the present invention, the charging unit 20 may be mounted into the charger housing 10 at any angle between the horizontal and the vertical.
- the guide structure for vertically mounting the charging unit 20 in the charger housing 10 comprises a pair of vertical guide grooves 202c respectively formed in both side surfaces of the charging unit, an inlet opening 202d formed in the upper end of each vertical guide groove, and a vertical guide rib 142a formed on each of the inside walls of the charger housing so positioned to be inserted in the corresponding vertical guide groove 202c.
- the charging unit 20 has the interface connector 252 arranged in its upper surface 205, and a locker slot 201a formed in its leading edge to receive the locker of the charger housing.
- the charger housing 10 has the interface connector 160d projected from the ceiling 141b, and a locker 145 arranged below the interface connector 160d.
- the locker 145 is designed to resiliently move sidewise in the direction of arrows ⁇ and ⁇ to lock or release the charging unit 20 with or from the charger housing 10.
- the charger housing 10 in order to electrically connect the charger housing 10 and charging unit 20, the charger housing 10 has a printed circuit board 160 provided with a plurality of electrical contacts 140a to 140d and an interface connector 160d.
- the electrical contacts 140a to 140d are positioned to mate with the electrical contacts of the mobile station 400 attached with a battery pack 410 or a separate battery pack 420.
- the interface connector 160d is vertically arranged beneath the printed circuit board 160 to connect with the interface connector 252 of the charging unit.
- the interface connector 252 of the charging unit 20 is connected to the interface connector 160d of the printed circuit board, so that the charging unit may charge the battery pack 410 or 420.
- the electrical connection device shown in Fig. 13 A is to connect the charging unit to a power supply of a wall, consisting of a first and a second connector 30 and 32 and a cord 34 connecting them.
- the first connector 30 is shaped having the same form as that used in the electrical shaver.
- the battery pack mounted in the housing is charged through the charging unit connected through the first connector 30 to the second connector 32 to the power supply of the wall.
- the interface connection device as shown in Fig. 13B is to connect the charging unit to the mobile station, consisting of two interface connectors 40 and 42 and a cord 44 connecting them.
- One connector 40 is connected to the interface connector of the mobile station, and the other 42 to the interface connector of the charging unit.
- Fig. 14A when the charging unit is fully charged, the interface connection device shown in Fig. 13B is used to connect the charging unit to the mobile station to charge it.
- the electrical connection device shown in Fig. 13 A when the charging unit is not fully charged, the electrical connection device shown in Fig. 13 A is used to connect the charging unit to the power supply while the interface connection device shown in Fig. 13B is used to connect the charging unit to the mobile station, so that the battery pack mounted on the mobile station is charged by the charging unit.
- Fig. 13 A when the charging unit is not fully charged, the electrical connection device shown in Fig. 13 A is used to connect the charging unit to the power supply while the interface connection device shown in Fig. 13B is used to connect the charging unit to the mobile station, so that the battery pack mounted on the mobile station is charged by the charging unit.
- the invention provides a versatile battery charger that may readily accommodate varieties of battery packs and enable the user to readily charge the battery pack during a journey without adding considerable expense to obtain a new charger. While the present invention has been described in connection with specific embodiments accompanied by the attached drawings, it will be readily apparent to those skilled in the art that various changes and modifications may be made thereto without departing the gist of the present invention.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU46236/00A AU750285B2 (en) | 1999-05-28 | 2000-05-26 | Portable battery charger |
CA002337254A CA2337254C (en) | 1999-05-28 | 2000-05-26 | Portable battery charger |
BR0006107-7A BR0006107A (en) | 1999-05-28 | 2000-05-26 | Portable battery charger to recharge a battery mounted on a mobile station or separately |
DE10081593T DE10081593B4 (en) | 1999-05-28 | 2000-05-26 | Portable battery charger |
GB0102229A GB2354893B (en) | 1999-05-28 | 2000-05-26 | Portable battery charger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990019446A KR100325247B1 (en) | 1999-05-28 | 1999-05-28 | Portable recharger |
KR1999/19446 | 1999-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000074168A1 true WO2000074168A1 (en) | 2000-12-07 |
Family
ID=19588396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2000/000544 WO2000074168A1 (en) | 1999-05-28 | 2000-05-26 | Portable battery charger |
Country Status (9)
Country | Link |
---|---|
US (1) | US6265845B1 (en) |
KR (1) | KR100325247B1 (en) |
CN (1) | CN1160823C (en) |
AU (1) | AU750285B2 (en) |
BR (1) | BR0006107A (en) |
CA (1) | CA2337254C (en) |
DE (1) | DE10081593B4 (en) |
GB (1) | GB2354893B (en) |
WO (1) | WO2000074168A1 (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020065927A1 (en) | 2000-09-05 | 2002-05-30 | Janik Craig M. | Webpad and method for using the same |
US20060031550A1 (en) * | 2000-09-05 | 2006-02-09 | Universal Electronics Inc. | Webpad adapted to communicate using wide area and local area communication channels |
US20020065902A1 (en) * | 2000-09-05 | 2002-05-30 | Janik Craig M. | Webpad and method for using the same |
US6597152B1 (en) * | 2002-08-23 | 2003-07-22 | S-B Power Tool Corporation | Battery charger splitting adapter |
GB0308141D0 (en) * | 2003-03-24 | 2003-05-14 | Research In Motion Ltd | Battery charger adapter |
US7189473B2 (en) * | 2003-06-03 | 2007-03-13 | Eastway Fair Company Limited | Battery venting system |
US20060229502A1 (en) * | 2003-06-03 | 2006-10-12 | Bayer Healthcare Llc | Portable medical diagnostic apparatus |
CA2527503A1 (en) * | 2003-06-03 | 2005-01-06 | Bayer Healthcare Llc | User interface for portable medical diagnostic apparatus and method of using the same |
JP4411526B2 (en) * | 2004-03-29 | 2010-02-10 | 豊田合成株式会社 | Connecting member and battery pack |
JP3899521B2 (en) * | 2004-03-31 | 2007-03-28 | ソニー株式会社 | Battery device |
US7541774B2 (en) * | 2005-04-30 | 2009-06-02 | Motorola, Inc. | Battery charger having oblique coupling rails |
EP2102961A2 (en) * | 2006-12-20 | 2009-09-23 | Techtium Ltd. | Battery powered charger |
JP5496489B2 (en) * | 2008-11-06 | 2014-05-21 | 三洋電機株式会社 | Two types of battery pack chargers |
JP2011087391A (en) * | 2009-10-14 | 2011-04-28 | Sanyo Electric Co Ltd | Mobile device charging base, mobile device, and charging base |
US20110099507A1 (en) * | 2009-10-28 | 2011-04-28 | Google Inc. | Displaying a collection of interactive elements that trigger actions directed to an item |
DE102011117332B4 (en) * | 2011-10-29 | 2017-08-17 | Audi Ag | Charging device for inductively charging an energy storage device of a vehicle |
CN103354674B (en) * | 2013-06-27 | 2015-10-28 | 浙江工业大学之江学院工业研究院 | A kind of heating tool |
US20160261139A1 (en) * | 2015-03-08 | 2016-09-08 | Michael Kidakarn | Multipurpose Charging and Display Stand for a Computerized Wristwatch |
US10181735B2 (en) * | 2015-03-11 | 2019-01-15 | Norman R. Byrne | Portable electrical power unit |
CN204947639U (en) * | 2015-07-31 | 2016-01-06 | 深圳市浪尖科技有限公司 | Handheld terminal cradle |
JP6112495B1 (en) * | 2016-02-19 | 2017-04-12 | パナソニックIpマネジメント株式会社 | Hand strap for electronic devices |
US10141758B2 (en) | 2016-07-26 | 2018-11-27 | Westhill Innovation, LLC | Power card and base |
USD805030S1 (en) | 2016-08-05 | 2017-12-12 | Westhill Innovation, LLC | Charger |
JP6191796B1 (en) * | 2017-02-10 | 2017-09-06 | ソニー株式会社 | Battery and connected equipment |
US10056932B1 (en) * | 2017-02-16 | 2018-08-21 | Datron World Communications, Inc. | Mobile mount for simultaneous portable radio and spare battery charging and method for the same |
US10797496B2 (en) * | 2018-05-02 | 2020-10-06 | Rufus Labs, Inc. | Modular charging station |
US11421864B2 (en) * | 2020-05-18 | 2022-08-23 | SimpliSafe, Inc. | Optical devices and mounting for optical devices |
USD999734S1 (en) * | 2022-01-06 | 2023-09-26 | Shenzhen Liyongan Silicone Rubber Products Co., Ltd. | Car wireless charger |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01319270A (en) * | 1988-06-17 | 1989-12-25 | Hitachi Koki Co Ltd | Charging adapter of battery pack |
JPH07296859A (en) * | 1994-04-27 | 1995-11-10 | Sanyo Electric Co Ltd | Battery equipment having secondary battery built in, and charger |
US5656914A (en) * | 1995-10-31 | 1997-08-12 | Motorola, Inc. | Battery charger having pocket with multiple sets of charging contacts |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI88230C (en) * | 1990-04-12 | 1993-04-13 | Nokia Mobile Phones Ltd | LOAD FOR BATTERY RELEASE |
DE4036374A1 (en) * | 1990-11-15 | 1992-05-21 | Bsg Schalttechnik | CHARGING DEVICE FOR RECHARGEABLE BATTERIES |
JP2737437B2 (en) * | 1991-03-29 | 1998-04-08 | 日本電気株式会社 | Charger |
DE9112899U1 (en) * | 1991-10-17 | 1992-01-30 | Wang, Fu Ching, Taipeh/T'ai-Pei, Tw | |
JP2925887B2 (en) * | 1993-05-10 | 1999-07-28 | 三洋電機株式会社 | Charging device |
JPH09162960A (en) * | 1995-12-14 | 1997-06-20 | Kyocera Corp | Charger |
US5659236A (en) * | 1996-03-07 | 1997-08-19 | Asian Micro Sources, Inc. | Battery charger with collapsible battery positioning and support apparatus |
US5834920A (en) * | 1996-11-05 | 1998-11-10 | Daniel; Eran | Holder for securing a recharge plug in a cellular telephone stand |
JP3951452B2 (en) * | 1998-05-15 | 2007-08-01 | 株式会社三洋物産 | Game machine |
US6049192A (en) * | 1999-03-18 | 2000-04-11 | Motorola, Inc. | Battery charger having moving door housing for a battery |
-
1999
- 1999-05-28 KR KR1019990019446A patent/KR100325247B1/en not_active IP Right Cessation
-
2000
- 2000-05-25 US US09/578,318 patent/US6265845B1/en not_active Expired - Lifetime
- 2000-05-26 CA CA002337254A patent/CA2337254C/en not_active Expired - Fee Related
- 2000-05-26 GB GB0102229A patent/GB2354893B/en not_active Expired - Fee Related
- 2000-05-26 DE DE10081593T patent/DE10081593B4/en not_active Expired - Fee Related
- 2000-05-26 AU AU46236/00A patent/AU750285B2/en not_active Ceased
- 2000-05-26 CN CNB008007926A patent/CN1160823C/en not_active Expired - Fee Related
- 2000-05-26 BR BR0006107-7A patent/BR0006107A/en not_active Application Discontinuation
- 2000-05-26 WO PCT/KR2000/000544 patent/WO2000074168A1/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01319270A (en) * | 1988-06-17 | 1989-12-25 | Hitachi Koki Co Ltd | Charging adapter of battery pack |
JPH07296859A (en) * | 1994-04-27 | 1995-11-10 | Sanyo Electric Co Ltd | Battery equipment having secondary battery built in, and charger |
US5656914A (en) * | 1995-10-31 | 1997-08-12 | Motorola, Inc. | Battery charger having pocket with multiple sets of charging contacts |
Also Published As
Publication number | Publication date |
---|---|
AU750285B2 (en) | 2002-07-11 |
CA2337254A1 (en) | 2000-12-07 |
GB2354893B (en) | 2004-01-07 |
DE10081593T1 (en) | 2001-08-16 |
US6265845B1 (en) | 2001-07-24 |
GB2354893A (en) | 2001-04-04 |
GB0102229D0 (en) | 2001-03-14 |
CN1160823C (en) | 2004-08-04 |
BR0006107A (en) | 2001-04-03 |
CN1304558A (en) | 2001-07-18 |
KR20000075080A (en) | 2000-12-15 |
DE10081593B4 (en) | 2005-04-14 |
CA2337254C (en) | 2006-04-25 |
KR100325247B1 (en) | 2002-03-04 |
AU4623600A (en) | 2000-12-18 |
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