WO2011143704A1 - Method of converting a non-rechargeable flashlight to a rechargeable flashlight - Google Patents
Method of converting a non-rechargeable flashlight to a rechargeable flashlight Download PDFInfo
- Publication number
- WO2011143704A1 WO2011143704A1 PCT/AU2011/000582 AU2011000582W WO2011143704A1 WO 2011143704 A1 WO2011143704 A1 WO 2011143704A1 AU 2011000582 W AU2011000582 W AU 2011000582W WO 2011143704 A1 WO2011143704 A1 WO 2011143704A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flashlight
- tail cap
- rechargeable
- base station
- rechargeable battery
- Prior art date
Links
Classifications
-
- 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
- F21L4/08—Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
- F21L4/085—Pocket lamps
-
- 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
-
- 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
- F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49716—Converting
Definitions
- the present invention relates generally to flashlights, and in particular to a method of converting a conventional non-rechargeable flashlight to a rechargeable flashlight that can be recharged using a base station.
- Non-rechargeable battery technologies include cells based on alkaline, lithium, zinc-carbon, and zinc chloride.
- rechargeable battery technologies include cells based on lead acid, lithium ion, lithium sulfur, lithium titanate, nickel cadmium, nickel iron, nickel hydrogen, nickel metal hydride, nickel zinc, and polysulfide bromide.
- Rechargeable battery technologies are generally more environmentally friendly than non-rechargeable battery technologies, as once drained non-rechargeable batteries add to land fill waste and can potentially contaminate soil and water supplies.
- Flashlights sold today with non-rechargeable batteries can be outfitted with rechargeable batteries by the user.
- a user may purchase a flashlight with an alkaline based battery technology and replace the batteries with rechargeable battery cells made of nickel metal hydride.
- some manufacturers have offered flashlights bundled with rechargeable batteries.
- Inductive charging uses electromagnetic induction, whereby a charger induces a current inside the flashlight which transfers electric power to the batteries.
- An induction coil in the charger primary coil
- a second induction coil secondary coil
- two induction coils in close proximity combine to form an electrical transformer.
- inductive charging is described in United States Patent No. 3,938,018 to Dahl, where "[a] normal 1 17-volt, 60 cycle source is converted into a high frequency signal resulting in radiation of a substantial portion of the energy in the signal.
- a receiving coil is inductively coupled to the radiation over a given distance substantially less than a wave length of the high frequency signal to provide a received signal without the necessity of any electrical wires.
- the received signal in turn is converted into a D.C. signal and passed to a rechargeable battery for charging.
- the inductive coupling can be utilized for recharging portable electrical instruments having rechargeable batteries or for charging larger rechargeable batteries such as used in electrically driven vehicles.”
- a flashlight outfitted with such technology does not require external electrical contacts between a base station and the flashlight.
- the invention is a method for converting a non-rechargeable flashlight to a rechargeable flashlight, the method comprising: removing an original tail cap from the flashlight; placing a rechargeable battery into a housing of the flashlight; and replacing the original tail cap with a replacement tail cap, wherein the replacement tail cap comprises circuitry for receiving electrical power from a recharging base station for recharging the rechargeable battery.
- the circuitry for receiving electrical power from a recharging base station comprises a secondary coil for receiving inductive power from a primary coil in the recharging base station.
- the circuitry for receiving electrical power from a recharging base station comprises external electrical contacts for establishing an electrical connection with corresponding external electrical contacts of the recharging base station.
- the non-rechargeable flashlight is a Maglite® brand flashlight manufactured by Mag Instrument, Inc.
- an external shape and configuration of the replacement tail cap is approximately the same as an external shape and configuration of the original tail cap.
- the rechargeable battery comprises a battery technology selected from the following: lead acid, lithium ion, lithium sulfur, lithium titanate, nickel cadmium, nickel iron, nickel hydrogen, nickel metal hydride, nickel zinc, and polysulfide bromide.
- the rechargeable battery comprises an integrated voltage converter.
- the replacement tail cap includes a jack-type coupling for electrically connecting the replacement tail cap to the rechargeable battery.
- FIG. 1 is a side view of a non-rechargeable Maglite® brand flashlight, according to the prior art.
- FIG. 2 is a side view of a non-rechargeable Maglite® brand flashlight, showing the original tail cap removed, according to the prior art.”
- FIG. 3 is a close up partial cutaway side view of a rechargeable battery located in a non-rechargeable Maglite® brand flashlight housing and connected to a replacement tail cap, according to an embodiment of the present invention.
- FIG. 4 is a close up partial cutaway side view of a rechargeable battery located in a non-rechargeable Maglite® brand flashlight housing and connected to a replacement tail cap, according to an alternative embodiment of the present invention.
- FIG. 5 is a side view of a non-rechargeable Maglite® brand flashlight fitted with a rechargeable battery and a replacement tail cap, and positioned in a recharging base station, according to an embodiment of the present invention.
- FIG. 6 is a flow diagram illustrating a method for converting a non- rechargeable flashlight to a rechargeable flashlight, according to an embodiment of the present invention.
- FIG. 7 is a perspective view of a recharging base station, according to an alternative embodiment of the present invention.
- FIG. 8 is a side view of the recharging base station shown in FIG. 7.
- FIG. 9 is a side view of a tail cap, according to an alternative embodiment of the present invention.
- a method enables converting a non-rechargeable flashlight to a rechargeable flashlight.
- the method includes removing an original tail cap from the flashlight; placing a rechargeable battery into a housing of the flashlight; and replacing the original tail cap with a replacement tail cap, wherein the replacement tail cap comprises circuitry for receiving electrical power from a recharging base station for recharging the rechargeable battery.
- Embodiments of the present invention thus enable more efficient, economical, and environmentally friendly use of non- rechargeable flashlights such as non-rechargeable Maglite® brand flashlights.
- adjectives such as first and second, upper and lower, top and bottom, etc., are used solely to define one element or method step from another element or method step without necessarily requiring a specific relative position or sequence that is described by the adjectives.
- Words such as “comprises” or “includes” are not used to define an exclusive set of elements or method steps. Rather, such words merely define a minimum set of elements or method steps included in a particular embodiment of the present invention.
- FIG. 1 is a side view of a non-rechargeable Maglite® brand flashlight 100, according to the prior art. As shown, the flashlight 100 includes an original tail cap 105 that can be unscrewed from a housing 110 of the flashlight 100.
- FIG. 2 is a further side view of the non-rechargeable Maglite® brand flashlight 100, showing the original tail cap 105 removed, according to the prior art. External threads 205 on the original tail cap 105 are used to secure the tail cap 105 to the housing 1 10.
- FIG. 3 is a close up partial cutaway side view of a rechargeable battery 300 located in the housing 110 of the non-rechargeable Maglite® brand flashlight 100 and connected to a replacement tail cap 305, according to an embodiment of the present invention.
- the external shape and configuration of the replacement tail cap 305 is approximately the same as the external shape and configuration of the original tail cap 105.
- External threads 310 have a pitch, diameter and size that match the pitch, diameter and size of the external threads 205 of the original tail cap 105. After the original tail cap 105 is removed, the external threads 310 enable the replacement tail cap 305 to be easily threaded into the corresponding internal threads (not shown) of the housing 1 10.
- a spring (not shown) may be installed between the battery 300 and the tail cap 305 to securely hold the battery 300 in place when the tail cap 305 is threaded onto the housing 1 10.
- the replacement tail cap 305 can be manufactured of various materials such as aluminum, steel, metal alloys, composites, or polymer materials.
- a wire 315 provides an electrical connection between the rechargeable battery 300 and external electrical contacts 320 on an end 325 of the replacement tail cap 305.
- the external electrical contacts 320 touch corresponding external contacts on the base station. That enables power from the base station to be delivered to the rechargeable battery 300 to recharge the battery 300.
- FIG. 4 is a close up partial cutaway side view of a rechargeable battery 300 located in the housing 1 10 of the non-rechargeable Maglite® brand flashlight 100 and connected to a replacement tail cap 405, according to an alternative embodiment of the present invention.
- a wire 415 provides an electrical connection between the rechargeable battery 300 and an internal secondary coil 420 located near an end 425 of the replacement tail cap 405.
- the internal secondary coil 420 is adjacent a corresponding primary coil of the base station. That enables power from the base station to be inductively delivered to the rechargeable battery 300 to recharge the battery 300.
- the battery 300 can be shaped as a dummy housing to simulate the end to end size of 2, 3, 4 or more D- cell batteries, according to the length of the flashlight housing 1 10.
- an integrated voltage converter into the battery 300, the latest in battery technology always can be employed without the need to entirely replace the non-rechargeable Maglite® brand flashlight 100.
- long cycle life lithium ion LiFeP04 batteries which can be recharged thousands of times, can require voltage conversion to conform to the voltage requirements of a particular flashlight bulb.
- use of such batteries can be very desirable as they can significantly reduce the overall weight of a retrofitted flashlight.
- FIG. 5 is a side view of the non-rechargeable Maglite® brand flashlight 100 fitted with the rechargeable battery 300 and the replacement tail cap 405, and positioned in a recharging base station 500, according to an embodiment of the present invention.
- the base station 500 is designed with a flat bottom 505 and a support leg 510 that can rest on top of a flat surface such as a table or floor.
- a cylindrical receptacle 512 receives the tail cap 405 and a lower end of the housing 1 10 of the flashlight 100.
- the receptacle 512 thus supports the flashlight 100 in a vertical orientation and ensures that the secondary coil 420 is held adjacent to a primary coil 515 located in the base station 500.
- Other features of the base station 500 may include, for example, a display screen 520 and operating buttons 525.
- the base station 500 is thus similar to the well known and commercially available base stations used for inductively charging various electrical and electronic devices such as toothbrushes and mobile telephones.
- the flashlight 100 when installed in the base station 500, the flashlight 100 remains readily usable, even during a charging phase, as the flashlight 100 can be used quickly by simply lifting the flashlight 100 out of the base station 500 and turning the flashlight on.
- a similar base station can be configured with contacts points that replace the primary coil 515 of the base station 500, and enable the similar base station to charge the battery 300 using external electrical contacts 320 of the tail cap 305.
- the base station 500 and replacement tail cap 405 also can be modified to various designs to enable effective inductive charging.
- the secondary coil 420 and tail cap 405 can be modified so that a secondary coil surrounds the sides of a hole in the end 425.
- the primary coil 515 and base station 500 are then modified so that a primary coil extends into a protrusion from the base station. During charging, the protrusion extends into the hole to facilitate an effective inductive electrical coupling.
- base station 500 Other features of the base station 500 are not illustrated or described herein as they will be readily understood in light of the present description by those having ordinary skill in the art.
- such features include alternating current (AC) power sources that plug into a conventional 1 10V or. 240V power outlet, power regulating devices, and charging circuitry.
- AC alternating current
- a base station of the present invention can be used both in a free standing table configuration and in a wall mounted configuration.
- a cylindrical receptacle which receives the flashlight 100 such as the receptacle 512, can be adjustable to rotate on an axis up and downward so that the flashlight 100 always remains in a vertical position.
- FIG. 6 is a flow diagram illustrating a method 600 for converting a non-rechargeable flashlight to a rechargeable flashlight, according to an embodiment of the present invention.
- an original tail cap is removed from the flashlight.
- the original tail cap 105 is unscrewed from the non-rechargeable Maglite® brand flashlight 100.
- a rechargeable battery is placed into a housing of the flashlight.
- the rechargeable battery 300 is placed into the housing 1 10 of the flashlight 100.
- the original tail cap is replaced with a replacement tail cap, wherein the replacement tail cap comprises circuitry for receiving electrical power from a recharging base station for recharging the rechargeable battery.
- the original tail cap 105 is replaced with one of the replaceable tail caps 305 or 405 and threaded onto the housing 1 10 of the flashlight 100.
- Replacement tail caps such as the tail caps 305, 405, and base stations such as the base station 500 can be sold separately from flashlights such as the non-rechargeable Maglite® brand flashlight 100. That enables owners of non- rechargeable flashlights to easily and economically retrofit and convert a non- rechargeable flashlight to a more environmentally friendly rechargeable flashlight.
- FIG. 7 is a perspective view of a recharging base station 700 according to an alternative embodiment of the present invention.
- a cylindrical receptacle 712 receives a tail cap, ' such as the tail cap 305 or 405, when threaded onto the housing 1 10 of the flashlight 100.
- the base station 700 Similar to the recharging base station 500, the base station 700 enables the flashlight 100 to remain readily usable, even during a charging phase, as the flashlight 100 can be used quickly by simply lifting the flashlight 100 out of the base station 700 and turning the flashlight on.
- FIG. 8 is a side view of the recharging base station 700.
- Hinge points 800 enable the cylindrical receptacle 712 to swivel about an axis extending between the hinge points 800, thereby enabling a flashlight 100 that is resting in the receptacle 712 and being recharged to be positioned at an angle that is convenient to a user.
- Support arms 810 support the cylindrical receptacle 712 above a base 815.
- the base 815 then can be mounted either horizontally, such as on a table or floor, or vertically, such as on a wall.
- FIG. 9 is a side view of a tail cap 905, according to an alternative embodiment of the present invention.
- the tail cap 905 includes a plug or jack-type coupling 910, such as a phono plug, between the tail cap 905 and a battery, rather than using the wires 315, 415.
- a negative connection to a flashlight housing then can include a conventional spring mounted at an end of the housing.
- the tail cap 905 also includes circuitry such as contacts 915 for electrically connecting, during recharging, the tail cap 905 to a base station, such as the recharging base station 700.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013510449A JP2013527573A (en) | 2010-05-18 | 2011-05-18 | How to convert a non-rechargeable flashlight to a rechargeable flashlight |
CA2791391A CA2791391A1 (en) | 2010-05-18 | 2011-05-18 | Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
US13/581,684 US8863366B2 (en) | 2010-05-18 | 2011-05-18 | Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
NZ602105A NZ602105A (en) | 2010-05-18 | 2011-05-18 | Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
CN201180017603.7A CN102869915B (en) | 2010-05-18 | 2011-05-18 | Change not rechargeable flashlight the method for rechargeable flashlight into |
EP20110782770 EP2572139A4 (en) | 2010-05-18 | 2011-05-18 | Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
AU2011256135A AU2011256135B2 (en) | 2010-05-18 | 2011-05-18 | Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
HK13107894.7A HK1180755A1 (en) | 2010-05-18 | 2013-07-05 | Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34562710P | 2010-05-18 | 2010-05-18 | |
US61/345,627 | 2010-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011143704A1 true WO2011143704A1 (en) | 2011-11-24 |
Family
ID=44991083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2011/000582 WO2011143704A1 (en) | 2010-05-18 | 2011-05-18 | Method of converting a non-rechargeable flashlight to a rechargeable flashlight |
Country Status (9)
Country | Link |
---|---|
US (1) | US8863366B2 (en) |
EP (1) | EP2572139A4 (en) |
JP (1) | JP2013527573A (en) |
CN (1) | CN102869915B (en) |
AU (1) | AU2011256135B2 (en) |
CA (1) | CA2791391A1 (en) |
HK (1) | HK1180755A1 (en) |
NZ (1) | NZ602105A (en) |
WO (1) | WO2011143704A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3769005A4 (en) * | 2018-03-20 | 2021-12-08 | Coast Cutlery Co. | Quick-disconnect flashlight |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2859271T3 (en) * | 2012-06-11 | 2017-12-29 | Zweibrüder Optoelectronics Gmbh & Co. Kg | Apparatus and system for a multi-modal flashlight and charging base |
USD740221S1 (en) | 2013-05-15 | 2015-10-06 | Xglow P/T, Llc | Battery |
CN105327492B (en) * | 2015-08-26 | 2017-12-08 | 深圳市酷浪云计算有限公司 | Somatosensory device |
US10234084B2 (en) | 2015-12-15 | 2019-03-19 | Joshua Purkiss | Dual-headed wireless rechargeable flashlight |
WO2018058648A1 (en) * | 2016-09-30 | 2018-04-05 | 深圳市柔宇科技有限公司 | Illumination device |
GB2621141A (en) * | 2022-08-02 | 2024-02-07 | Solar Outdoor Lighting Solutions Ltd | Portable consumer electronic apparatus |
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US3938018A (en) * | 1974-09-16 | 1976-02-10 | Dahl Ernest A | Induction charging system |
US4357648A (en) * | 1980-02-08 | 1982-11-02 | Kel-Lite Industries, Inc. | Rechargeable flashlight |
US6296367B1 (en) * | 1999-10-15 | 2001-10-02 | Armament Systems And Procedures, Inc. | Rechargeable flashlight with step-up voltage converter and recharger therefor |
US20020158605A1 (en) * | 2001-04-26 | 2002-10-31 | Sharrah Raymond L. | Rechargeable flashlight and battery charger |
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US4092580A (en) * | 1975-03-12 | 1978-05-30 | Prinsze Onno M | Energizer apparatus for rechargeable flashlight batteries |
US4244011A (en) * | 1979-08-27 | 1981-01-06 | The Gates Rubber Company | Rechargeable flashlight |
CA1161496A (en) * | 1981-02-23 | 1984-01-31 | Norman C. Nelson | Rechargeable flashlight |
US5008785A (en) * | 1984-09-06 | 1991-04-16 | Mag Instrument, Inc. | Rechargeable miniature flashlight |
CN88212224U (en) * | 1988-03-01 | 1988-10-05 | 袁明山 | Electric torch top cover with charging device |
CN2074415U (en) * | 1990-04-24 | 1991-04-03 | 舒先贵 | Chargeable torch |
JPH08213057A (en) * | 1995-02-03 | 1996-08-20 | Sony Corp | Rechargeable battery |
US6762584B2 (en) * | 2001-04-17 | 2004-07-13 | Thomas Patrick Harvey | Recharger for use with a portable electronic device and which includes a connector terminus for communicating directly with rechargeable batteries contained within the device |
CN2562036Y (en) * | 2002-04-08 | 2003-07-23 | 展升(香港)有限公司 | Back cover charger |
JP2005310496A (en) * | 2004-04-20 | 2005-11-04 | Matsushita Electric Works Ltd | Lighting system |
GB2412796A (en) * | 2004-09-02 | 2005-10-05 | Teknek Electronics Ltd | Power supply with rechargeable cell and voltage booster |
CN2839804Y (en) * | 2005-09-28 | 2006-11-22 | 胡振飞 | Charging flashlight |
TWM326987U (en) * | 2007-08-20 | 2008-02-11 | Double Dynasty Co Ltd | Hand-held lighting device |
CN101126486A (en) * | 2007-09-12 | 2008-02-20 | 王亚军 | Radio induction charging type multifunctional semiconductor illuminator |
US9022612B2 (en) * | 2008-08-07 | 2015-05-05 | Mag Instrument, Inc. | LED module |
JP3156784U (en) * | 2009-08-19 | 2010-01-21 | 東神電気株式会社 | Flexible lighting device |
-
2011
- 2011-05-18 JP JP2013510449A patent/JP2013527573A/en active Pending
- 2011-05-18 AU AU2011256135A patent/AU2011256135B2/en not_active Ceased
- 2011-05-18 EP EP20110782770 patent/EP2572139A4/en not_active Withdrawn
- 2011-05-18 NZ NZ602105A patent/NZ602105A/en not_active IP Right Cessation
- 2011-05-18 CN CN201180017603.7A patent/CN102869915B/en not_active Expired - Fee Related
- 2011-05-18 WO PCT/AU2011/000582 patent/WO2011143704A1/en active Application Filing
- 2011-05-18 CA CA2791391A patent/CA2791391A1/en not_active Abandoned
- 2011-05-18 US US13/581,684 patent/US8863366B2/en not_active Expired - Fee Related
-
2013
- 2013-07-05 HK HK13107894.7A patent/HK1180755A1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US3938018A (en) * | 1974-09-16 | 1976-02-10 | Dahl Ernest A | Induction charging system |
US4357648A (en) * | 1980-02-08 | 1982-11-02 | Kel-Lite Industries, Inc. | Rechargeable flashlight |
US6296367B1 (en) * | 1999-10-15 | 2001-10-02 | Armament Systems And Procedures, Inc. | Rechargeable flashlight with step-up voltage converter and recharger therefor |
US20020158605A1 (en) * | 2001-04-26 | 2002-10-31 | Sharrah Raymond L. | Rechargeable flashlight and battery charger |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3769005A4 (en) * | 2018-03-20 | 2021-12-08 | Coast Cutlery Co. | Quick-disconnect flashlight |
Also Published As
Publication number | Publication date |
---|---|
CN102869915A (en) | 2013-01-09 |
EP2572139A4 (en) | 2014-01-01 |
US8863366B2 (en) | 2014-10-21 |
JP2013527573A (en) | 2013-06-27 |
AU2011256135A1 (en) | 2012-09-20 |
CN102869915B (en) | 2015-09-16 |
AU2011256135B2 (en) | 2014-11-20 |
EP2572139A1 (en) | 2013-03-27 |
US20120317770A1 (en) | 2012-12-20 |
HK1180755A1 (en) | 2013-10-25 |
CA2791391A1 (en) | 2011-11-24 |
NZ602105A (en) | 2014-06-27 |
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