Classifications

• • 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

Definitions

• the present invention relates to a battery charger for many types of cellular phones, and more particularly to a battery charger, which can be used to charge or recharge cellular phones of all types, viz., in disregard of their difference in types.
• the charger will have to be in such a construction as to have the groove and connection terminals precisely corresponding to or matching those of the phones. If not, they will not fit, and no recharge with power will be possible.
• the present invention has set a target for itself to provide a power charger applicable to all sorts of cellular phones, even of different sizes and shapes.
• the charger of the present invention consists of a body, which has an insertion section where a cellular phone is to be connected by insertion; a supporting means, which steadies an inserted phone; a contact terminal section, sorted into the vertical and the horizontal subsections, to get contacted with the phone, the former, that is, the vertical subsection extending from the lower end of said insertion section to come into contact with a back terminal of the battery of a phone and the latter, that is, the horizontal subsection extending to come into contact with a bottom terminal of the battery, and both the vertical and horizontal subsections respectively having a positive and a negative contact terminal subsections; a movable transfer section, which moves said positive and the negative contact terminal subsections horizontally; and a lamp, which lights in the lower front of the charger when said contact terminals of the charger and the terminals of the battery are come into contact with each other.
• said charger has in addition a cover which enwraps said insertion section of the charger along with a locking device which locks up or release said cover;
• said supporting means has side supports and a back support which, together, push the phone toward the center of said insertion section; while said insertion section admits entry and exit of both these side and back supports and has a guide groove with a spring set up inside to give these supports sufficient resilience.
• the supporting means having a magnet in said insertion section, keeps the phone steady, while, in said vertical contact terminal section, the heights of the terminals of a plural number are different one from another, correspond with the terminals also of different heights of the battery of various types.
• the movable transfer section places, in connection, gear sections of different heights under the positive and below the negative contact terminals, and also places a pinion between said gears to bite in, so that as said pinion is turned said gear sections move to make the positive and the negative contact terminals come closer together or move farther away.
• Another feature of the present invention is that, in a charger having a support section inserted and steadied in the front for recharging with power, said support section has side plates equipped with an elastic member to push the phone toward the center and keep it there, a back plate equipped with an elastic member to push the phone forward from the back, a contact terminal formed on the lower end of said support section to be connected with the terminal of a battery, a movable transfer section which moves said contact terminal section right and left, and a lamp placed in the lower front to light when said contact terminal comes into contact with said terminal of the battery.
• said movable transfer section has an adjustment means to adjust the positions of said positive and said negative terminals by moving them closer together or farther away from each other, said adjustment means having a anode joining half connected with said anode contact terminal and equipped with a gear on its bottom side and also a cathode joining half connected with said cathode contact terminal and equipped with a gear on its upper side, and a pinion biting in occlusion between said gears of both said joining halves.
• the adjustment means is connected with the front of said pinion, its end part having got an axis projecting outward to terminate in an adjustment dial at its father end, while said contact terminal section has an elastic " ⁇ " shape for connection with the back terminal of the battery of a phone, a ball getting fitted in the position of contact so that a smooth sliding action is assured of when said contact terminal moves.
• the contact terminal section is formed in an elastic shape of a hook for connection of its lower end terminal with the front of a battery separated from a phone, the point of contact with said terminal also being equipped with a sliding ball.
• Still another feature of the present invention is that it comprises a body; a floor plate placed so as to be movable upward and downward, by cutting up part of the upper surface of said body; a spring set up between said floor plate and said body; a guide bar, which fixes said spring and guides said floor plate's upward and downward move; a fixing contact point placed on a side of the upper surface of said body; a moving contact point, which is placed at a position converse to said fixing contact point and has its distance to said fixing contact point adjusted by an adjustment nut; and a battery-fixing section, which, placed movable on one side of the upper surface of said body, has a roller at the lower part to press the upper part of a battery and a spring set inside to facilitate the upward and downward movement of said roller.
• a body a fixed contact point at a part of the upper surface of said body, which, having a spring set inside, can move upward and downward; a moving contact point, which is placed at the position converse to said fixed contact point and has its distance to said fixed contact point adjusted by an adjustment nut and has a spring set inside so that it can move upward and downward; and a battery-fixing section, which, placed movable on one side of the upper surface of said body, has a roller at the lower part to press the upper part of a battery, and a spring set inside to facilitate the upward and downward movement of said roller.
• Yet another feature is that it has a sensor to detect the location of the contact points of a battery; an actuator which drives said moving contact point and said floor plate; and a control section, which, receiving signals from said sensor, drives said actuator.
• That said contact points respectively having a vertical and a horizontal contact point is still another feature.
• a last feature of the present invention is that it has a support board; a press board, which is moveably connected with said support board; a return spring, set between said support board and said press board; a compression board, which is movably connected with the lower part of said press board, and, together with said support board, fixes a cellular phone; a number of pin-shaped connection terminals installed on a vertical wall formed at the center of said support board; and another number of connection terminals in the shape of a board, formed on the upper surface of said support board and near to said pin-shaped connection terminals.
• Fig. 1 is a perspective view of the power charger according to Embodiment Example 1 of the present invention for cellular phones of many types
• Fig. 2 is a perspective view of the movable transfer section in Embodiment Example 1,
• Fig. 3 is a sectional view of the charger in Embodiment Example 1,
• Fig. 4 is a perspective view of the charger in Embodiment Example 2,
• Fig. 5 is a perspective view of the movable transfer section in Embodiment Example 2,
• Fig. 6 is a sectional view of the charger in Embodiment Example 2,
• Fig. 7 is another perspective view of the charger in Embodiment Example 2,
• Fig. 8 is a perspective view of the charger in Embodiment Example 3,
• Fig. 9 is a perspective view of the movable transfer section in Embodiment Example 3,
• Fig. 10 is a sectional view of the charger in Embodiment Example 3,
• Fig. 11 is a sectional view of the charger in Embodiment Example 4,
• Fig. 12 is a front view of the charger in Embodiment Example 4,
• Fig. 13 is a plane view of the charger in Fig. 12,
• Fig. 14 is a sectional view of the battery-fixing section in Fig. 13, Fig. 15 is a front view of the charger in Embodiment Example 6,
• Fig. 16 is a sectional view of Fig. 15 along Line A- A',
• Fig. 17 is a front view of the embodiment example shown in Fig. 12, now with a phone attached thereto,
• Fig. 18 is a front view of the embodiment example shown in Fig. 15, now with a phone attached thereto,
• Fig. 19 is a perspective view of the charger in Embodiment Example 7,
• Fig. 20 is a side view of the embodiment example shown in Fig. 19,
• Fig. 21 is an illustration of the embodiment example shown in Fig. 19 while in use,
• Fig. 22 is a plane view of the charger in Embodiment Example 8,
• Fig. 23 is a front view of the charger in the embodiment example shown in Fig.
• Fig. 24 is a side view of the charger in the embodiment example shown in Fig. 22,
• the power charger 10 of the present invention available to cellular phones of many different types comprises a body 11 which has an insertion section to get a cellular phone inserted in and hold it tight; and a contact terminal section 50, which, placed in the lower end of said body 11, gets into contact with the contact terminal 3 of the battery of a cellular phone.
• the charger 10 further has a side support 13 formed- on a side of said insertion section 12, a back support 14 formed at the back of said insertion section 12, and a variable transfer section 30, which moves a contact terminal section 50.
• the back support 14 is of a rectangular form with its back side 15 open, a fixing protuberance 16 projecting from the center of its inside surface, and also a catching step 17 formed outward respectively on its upper and lower end.
• a contact terminal section 50 projects from each of the rectangular grooves 51 formed on either side of the lower part of the back surface of said charger insertion section 12, to get connected with said terminal 3 in the lower part of the back side of a cellular phone battery 2.
• a terminal 57 of said contact terminal section 50 has got elasticity, and in the part where contact with said battery terminal 3 is made, a slide ball 54 is set or is rendered round so that at the time for move for contact with said terminal 3, sliding is made smooth.
• a movable transfer section 30 is as shown in Fig. 2., in which, an anode terminal 31 and a cathode terminal 32, each having a wedge groove 33 at the end, project in extension from the main circuit board (not shown in the drawings), while an anode joining half 35 and a cathode joining half 38, each being kept by said wedge groove 33 from falling out and having a catching chin 34 which allows rightward and leftward sliding, are joined from up and down.
• anode joining half 35 On the surface of an end of said anode joining half 35 two anode contact terminals 52 are formed facing upward, while a gear 36 is formed on the under surface.
• a chin 37 On an end of said cathode joining half 38 there is formed a chin 37 to keep level with the corresponding anode joining half 35, with two cathode contact terminals 53 placed on said chin 37, while a gear 39 is formed on the lower surface facing upward to correspond with said gear 36 of said anode joining half 35.
• a pinion 40 is fitted in between said downward-facing gear 36 of said anode joining half 35 and said upward-facing gear 39 of said cathode joining half 38, while lo ⁇
• an axis 41 projects outward from said pinion 40, and an adjustment dial 42 is fitted in at the end of said axis 41 to adjust the position of said contact terminal section 50.
• a contact lamp 55 and a charge lamp 56 On the lower front of said charger 10 are placed a contact lamp 55 and a charge lamp 56, and so when said contact terminal section 50 comes into contact with said terminal 3 of the battery said contact lamp 55 is lighted making it easier to select positions when moving said contact terminal 50 by said adjustment dial 42, while when charging the phone with power finishes, said charge lamp 56 is lighted.
• FIGs. 1 through 3 show, when a phone is inserted in said insertion section 12 of the charger, the phone is pressed toward the center and front always to be at the same position by said compression spring 23 as said back support 14 and side supports 13 slide along said guiding grooves 20, 26.
• said contact lamp 55 When the terminal of the battery of the inserted phone comes into contact with said contact terminal section of the charger, said contact lamp 55 is lighted to show that they are in contact, and if they are short of contact, said contact terminal section 50 is required to be moved by operation of said dial.
• a phone is inserted in the insertion section 12 of the charger of the present invention no matter what size or type the phone may be, and as the contact is achieved by said contact terminal section 50 the phone is charged with power.
• the charger 100 of the present invention for all types of cellular phones consists of a body 101 which has a vertical section 102 and a horizontal section 103; a contact terminal section 120, projecting from said body 101 to come into contact with said terminal 3 of the battery of a phone; a movable transfer section 130 which moves a contact terminal section 120 left to right or right to left; and a cover 150 which is to protect a cellular phone 1 fixed on said body 101 of said charger.
• said contact terminal section 120 projects on the frontal lower end of said vertical section 102, rectangular terminal holes 104 being movably formed, one each at right and left, while at the upper end hinge axes 105 of a hinge project, one at right and the other at left, for hinge connection of said cover 150.
• a magnet 106 is attached by a fixing rib 107.
• rectangular terminal grooves 115 are formed, one each at right and left, while a fixing protuberance 108 projects through front to back to slidably settle said movable transfer section 130 inside.
• the fixing protuberance 108 has a groove 109 at its end, along which groove said movable transfer section 130 is made to move.
• a charge lamp 110 to show whether charging has been completed
• a contact lamp 111 to show whether contact is achieved of the terminal of the battery with said contact terminal section 120.
• a locking device 112 is attached to the central section to open or shut said cover 150.
• the contact terminal section 120 consists of vertical contact terminal sections 121, 122, which contact with a back terminal 3 of a battery and horizontal contact terminal sections 125, 126, which contact with a bottom terminal 4 of a battery.
• the vertical contact terminal sections 121, 122 are so formed that said terminals
• the heights of the protuberances of said vertical contact terminal sections 121, 122 of anodes and cathodes may take on a shape of "N", as the heights of the back terminal 3 of batteries 2 vary from model to model.
• the terminals 123 of said contact terminal section 120 have elasticity, and the position where they contact with the terminals 3, 4 of the battery has a ball 54 set in or rendered round to secure a smooth sliding of said terminals 3, 4 when they are moved for a contact.
• the movable transfer section 130 consists of a fixing board 131 to fix said contact terminal section 120; gear sections 134, 136, which, joined to said fixing board 131, move said fixing board 131; and a pinion 138 in occlusion with said gear sections 134, 136.
• the fixing board 131 has a vertical part 132 and a horizontal part 133, the latter extending from the lower end of the former. On the upper part of said vertical part 132 said vertical contact terminal section 122 is fixed vertically and on the upper part of said horizontal part said horizontal contact terminal section 126 is fixed horizontally.
• a slide rib 145 is inserted in said fixing protuberance 108 of said body 101 to be fixed yet kept movable right and left.
• anode fixing board 142 a lower gear 134 with its upper surface 135 shaped in the form of a lower bracket " L " is connected with.
• a cathode fixing board 143 is connected with an upper gear 136, which has a gear formed in its lower surface 137.
• a pinion 138 is placed in occlusion.
• a joint axis 139 is connected, and at the end of said joint axis 139 an adjustment dial 141 is fitted.
• a groove 140 is dug along the surface, into which groove 140 a catching step 114 of a revolution hole 113 projecting from said body 101 is inserted so that said joint axis 139 may turn round but must not fall out.
• the cover 150 of the charger 100 is preferably made from transparent material; on either side of the upper end a hinge protuberance 151 is formed with a hole for insertion in the hinge axis 105 of said body 101; the lower end is connected with said locking device 112 of said body 101; and, therefore, when a cellular phone is fitted in said charger 100, said cover 150 is closed, and it is fastened by said locking device 112, there will be no risk of loss even if left alone untended while recharging continues.
• contact fails said contact lamp 111 does not get lighted, that the user may readily see it.
• a charger 210 consists of a support section 211, which receives insertion of a cellular phone 201 and support it, and a contact terminal section 250, located at the lower end of said support section 211 for contact with a terminal 203 of a battery 202 inside a phone 201.
• the charger 210 also has side plates 213 one each on both sides of said support section 211, a back plate 214 formed on the back side of said support section 211, and a movable transfer section 230 which is for transfer of said contact terminal section 250.
• the back plate 214 as is shown in Fig. 10, is equipped with projection bars 215 which have a catching chin 216 each on its up and low ends, while said charger 210 has in its back side guide pins 217 to receive their corresponding projection bars 215.
• the guide pins 217 each have a hole 219 dug in the center, and at the entrance of said holes 219 respectively a catching chin 218 is formed similarly.
• a compression spring 220 of elastic material is set up between said guide pins 217 and said projection bars 215, and so when a phone 201 is fitted in said support section 211 of said charger 210 said back plate 214 is pushed backward by the thickness of the phone 201, but said back plate 214 pushes the phone forward by the recovery force of said spring 220, whereby the phone can always be settled at a given proper place.
• the side plates 213 are also equipped with projection bars and guide pins on their upper and lower parts, as said back plate 214 is, and push the phone 201 toward the center to help place it at its proper place.
• a contact terminal section 250 is connected with said terminals 203 placed at the lower back part of said battery 202 of the phone 201, projecting from both rectangular holes 251 formed in the lower back surface of said support section 211 of said charger.
• This contact terminal section 250 has got elasticity, and a sliding ball 254 is placed at the position where it contacts with said terminal 203 of the battery to help with its smooth move for the contact.
• the cathode joining half 238 has got a chin 237 to keep the height level with that of said anode joining half 235, and on said chin 237 two cathode contact terminals 253 are formed. On the upper surface is formed an upper gear 239 similar to that of said anode joining half 235.
• a pinion 240 is placed in occlusion, and in the front of said pinion 240 an axis 241 is formed, and at the end of said axis 241 is in- fitted an adjustment dial 242 for adjustment of the position of said contact terminal section 250.
• Embodiment Example 3 is further described in detail, the attached drawings being made reference to when necessary.
• said contact terminal section 250 is made to come into contact with said terminal 203 of the battery 202.
• a sliding ball 254 is set at the contact area of said contact terminal section 250 to help with its smooth sliding movement, and the moment the contact with said terminal 203 is achieved said lamp 255 is lighted.
• a cellular phone 201 regardless of its size or shape, can be inserted in said support section 211 of the charger 210, and as a contact with said contact terminal section 250 is achieved the task of charging with power is performed.
• Embodiment Example 4 as shown in Fig. 11, the charger 270 has got a narrow support section 265 to receive insertion of a battery 202 alone and settle it fixed, and a contact terminal section 260 is formed in the lower end of said support section 265.
• the contact terminal section 260 assumes a shape of a hook so as to facilitate contact with a front terminal 204 and back terminal 203 of a battery, while at the position of contact there are sliding balls 261, 262 inserted so that a smooth movement is assured of when said adjustment dial 242 is turned.
• this example assumes the shape of a hollow box for body 310.
• a flat floor board 311 is formed, which is cut up on both sides along the lengthwise direction, and there are four guide holes 314 on said flat floor board 311 near the edge lines.
• a guide bar 313 is inserted in each of said guide holes 314 to guide the upward and downward movement of said floor board 311, and said guide bars 313 each have a spring 312 inserted in them to confer upward resilience upon said floor board 311.
• a moving contactor 331 is formed.
• said moving contactor has a support formed on the upper surface of said body 310, to fix an end of it thereto, but as there is formed an adjustment nut 330, with a screw thread inside, at the center of said support, and another thread is formed on the end of said moving contactor 331, said moving contactor 331 moves as said adjustment nut 330 is turned.
• a battery-fixing section 342 is also formed on the upper surface of said body 310 .
• an end of said battery-fixing section 342 is fixed but in a rotatable way on its support formed above, as is shown in Fig. 13, and a roller-fixing bar having a roller 341 fixed on the bottom end is inserted in the body of said battery-fixing section 342, as shown in Fig. 14.
• a spring 340 is set to confer resilience on the bottom of said roller 341.
• a handle is formed on the upper part of said roller-fixing bar, as is shown in the drawing.
• Figs. 15 and 16 show the front and a cross-section of said contactors in Embodiment Example 6.
• This example has a body 310 of a flat form and a same battery-fixing section 342 as described above.
• a fixed contactor 360 is formed with one end fixed to a support and, as shown in Fig. 16, said fixed contactor 360 contains inside it a contactor section comprising the vertical end 380 and the horizontal end 381, together with a spring 350, and said contactor is so structured as to move up and down as said fixed contactor section applies force downward.
• a moving contactor 371 which has same cross section features as shown in Fig. 16, having an end with a screw thread so that it may move as an adjustment nut 370 is turned.
• a guide hole 351 is formed and a guide bar 352 is inserted in each of said guide holes 351 to guide the movement of said moving contactor 371 when said adjustment nut 370 is turned.
• a sensor to recognize the position of said contact terminals of the battery to be charged
• a control section to receive the signals detected by said sensor and control an actuator by them
• an actuator which is to move the positions of said moving contactors 331, 371, said floor board 311, and said battery-fixing section 342, respectively.
• a sensor one like an infrared ray sensor is available, and as for the actuator something like a small-sized servomotor can be used. Persons skilled in the art could easily substitute something else yet similar in functions for these.
• a user will first settle the battery of a phone on the upper part of said floor board 311, and bring said vertical end 380 of said fixed contactor 320 in touch with a charging terminal of the battery. Then he will turn said adjustment nut 330 to bring said vertical end 380 of said moving contactor in touch with the remaining charging terminal of the battery, when by virtue of the resilience of said spring 312 on said floor board 311 the battery is fixed secure with said vertical ends 380 of said fixed contactor 320 and said moving contactor 331 both in contact with each charging terminal.
• a user will first manually lift an end of said fixed contactor 360, next place a charging terminal of the battery to be charged beneath said end of said fixed contactor 360, and finally put said contactor end upon the charging terminal of the battery. Then by turning said adjustment nut 370 it is so arranged that an end of said moving contactor 371 comes in touch with the other charging terminal of the battery.
• Example 5 because only one end of the battery is pressed down by said fixed and moving contactors 360, 371 the other end of the battery may be afloat over said floor board 311, but such a case can be rectified by turning said battery- fixing section 342 to have said roller 341 press that side of the battery down.
• said fixed and moving contactors 360, 371 have a vertical and a horizontal end 380, 381, and this way the battery of a cellular phone can be charged regardless of whether it has its charging terminals placed in its back or bottom side.
• a support 410 is of a rectangular shape, and in the center there is a step formed in the shape of a lower bracket, " L ", in its sectional view.
• a number of pin-shaped connection terminals 430 are arranged in two rows.
• the pin-shaped terminals 430 are set up against the vertical wall of said support board 410 via elastic material (e.g., springs, not shown in the drawings) and, this way, said terminals come into tightly close contact with the connection terminals of the phone when they are in contact.
• elastic material e.g., springs, not shown in the drawings
• These numbers of pin-shaped 430 and plate-spring type connection terminals 431 are each either an anode or cathode connection terminal, the anode terminals separate from the cathode, one group on one side of the central line of the board and the other on the other.
• connection terminals 430 and plate spring-type connection terminals 431 the same ones as are in use for ordinary chargers are used, and are connected with outside sources of power, wherefore, as to the methods for connection and matters about the circuits explanation is omitted because they are all known to persons normally skilled in the art.
• a press board 420 With the upper part of said support board 410 is rotatably connected a press board 420. Preferably, as shown in the drawings, it is connected by a hinge 440.
• the press board 420 is to rotate, with the fixing point of said hinge 440 as center, and at this time it is preferable that its back part is, as shown in the drawing, provided with a step to allow a wide interval from said support board 410 in order to secure a sufficient angle for the required rotation.
• the front part of said press board 420 preferably has a vertical section in the form of " ⁇ ", its under part having a joining section 422 protruding, which in turn has a compression board rotatably connected with said joining section 422.
• the compression board 423 is in the form of a rectangle, with its upper part having a projection formed for connection with said joining section 422 by a hinge 441.
• the lower part of said compression board 423 is preferably made of a material, like rubber, which is not slippery.
• a return spring 424 Between said support board 410 and said compression board 420 is fitted a return spring 424, said spring 424 applying resilience to said press board 420, thus said compression board 423 remaining in contact with the upper part of said support board 410 while the charger is not at work.
• Fig. 21 illustrates a charger of the present invention fitted in a cellular phone, a user of said charger, who wants to charge the phone with power, being desired first to press the back part of said press board 420 to secure sufficient room between said compression board 423 and said support board 410.
• Figs. 22 through 24 show a charger in Embodiment Example 8 of the present invention.
• the above example has a contactor-fixing section 501 in the front of the body 500, and in the upper surface of said body 500 is set a floor board 510.
• a floor board 510 is rotatably connected by a hinge with the end part of said body, while a spring 511 is set between the inside of said body and the bottom surface of said floor board to confer upward resilience upon said floor board.
• a stopper 520 is set in the front of said body to keep the rise of said floor board by the force of said spring to a certain height.
• On said contactor-fixing section are set two contactors 530, 531.
• One of said contactors is at a fixed point and so is called a fixed contactor 530, while the other is set movably and so is named a moving contactor 531.
• said moving contactor is connected by a screw with an adjustment nut 540 formed at said contactor-fixing section, it is so formed to move left and right, as shown in Fig. 23, by the turn of said adjustment nut.
• a rubber band 550 is set horizontally across said floor board.
• a user will press said floor board down and lower it, and in that state so lay said cellular phone on said floor board that the contact terminal of said battery of said cellular phone may be on the side of said contactor-fixing section of the charger, and then by turning said adjustment nut adjusts the distance between said contactors.
• said rubber band holds on the body of the phone lest it should stir or have its back end afloat.
• the power charger of the present invention applicable to all types of cellular phones has such advantages as easy reception of a cellular phone inside it, simple and convenient structure of its transfer device, the assured contact between its connection terminals and those of the battery of the phone, etc.
• the power charger of the present invention can charge cellular phones of any type, or any make whatsoever, with power, because adjustments are easily possible no matter what distance there may be between contact points or in disregard of whether their heights are different.
• connection terminals are placed both on the vertical wall and at the upper part of the support board it is possible to charge regardless of whether the battery has its contact terminals on its back or bottom side.
• the front part of the press board is formed in the shape of " ⁇ " in its cross section, the compression board presses both the phone and battery at the same time that it applies pressure toward the vertical wall, it can prevent the connection terminals between the battery and the phone fall out of contact.
• the under part of the compression board is made of elastic material like rubber, either the battery or the phone is kept from slipping out of connection while in the process of charging.
• the charger of the present invention is available for all cellular phones or batteries of various sizes and shapes, and thus manufacturers can profit greatly by saving a great deal on production costs and time alike thanks to this common use of a single charger at the same time that consumers, too, can share in the monetary gains by cheaper prices for the charger, no to say of the possibility continuously to use this same charger if they have to replace the phone with another.

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• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Telephone Set Structure (AREA)
• Charge And Discharge Circuits For Batteries Or The Like (AREA)
• Secondary Cells (AREA)

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Citations (3)

• 2001
  • 2001-05-16 CN CNB018112668A patent/CN100446379C/zh not_active Expired - Fee Related
  • 2001-05-16 JP JP2001585375A patent/JP3829094B2/ja not_active Expired - Fee Related
  • 2001-05-16 WO PCT/KR2001/000795 patent/WO2001089057A1/en active Application Filing
  • 2001-05-16 AU AU2001258881A patent/AU2001258881A1/en not_active Abandoned

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