CN1394374A - System and method accommodating more than one battery within electronic device - Google Patents
System and method accommodating more than one battery within electronic device Download PDFInfo
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- CN1394374A CN1394374A CN01803169A CN01803169A CN1394374A CN 1394374 A CN1394374 A CN 1394374A CN 01803169 A CN01803169 A CN 01803169A CN 01803169 A CN01803169 A CN 01803169A CN 1394374 A CN1394374 A CN 1394374A
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- battery
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- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
- Secondary Cells (AREA)
- Telephone Function (AREA)
Abstract
A system (10, 60) for facilitating the accommodation of two or more batteries (12, 14) in an electronic device (10). The system (10) includes a first mechanism (16, 18) that determines a charge status of a first battery (12) and a second battery (14) and provides a status signal in response thereto. A second mechanism (18, 32, 46) provides an indication of remaining battery life associated with the first battery (12) and/or the second battery (14) based on the status signal. In a specific embodiment, the system (10, 60) further includes a third mechanism (36) for selectively employing the first battery (12) or the second battery (14) as a power source for the electronic device (10) based on the status signal. In a more specific embodiment, the electronic device (10) is a wireless phone (10) that includes a transceiver (24) and a computer (18) in communication with the transceiver (24). The computer (18) is connected to a display screen (32). The wireless phone (10) has a housing (11) that accommodates the transceiver (24), the computer (18), the first battery (12), and the second battery (14). The second mechanism (18, 32, 46) includes a mechanism (18, 32, 46) for issuing a first alert, via the display screen (32), when the first battery (12) is drained. Another mechanism (18, 32, 46) issues a second alert when the second battery (14) is drained or detached from the electronic device (10). An additional mechanism issues alerts when the first battery (12) and/or the second battery (14) are low, when the second battery (14) is removed, and when the first battery (12) and/or second battery (14) are drained, as indicated by the status signal.
Description
Background of invention
Invention field
The present invention relates to the battery life decision-making system.Especially, the present invention relates in the electronic installation that two or more batteries can be held simultaneously and can between battery, switch again, be used to judge the system and method in remaining power life-span.
The description of prior art
The two kinds of batteries of battery and dismountable external connection battery of answering the call in new electronic installation has such as radio telephone are to increase total battery life and the air time that is associated.Use two kinds of batteries rather than a bigger battery intensifier flexibility that designs and the charging that increases battery to select.
Radio telephone and other electronic installation generally include hardware and corresponding software, be used to measure the charged state of the battery that is associated, and the indication in its remaining power life-span is provided.Unfortunately, be used to indicate existing most of hardware and software bags in remaining power life-span all to design for phone or other device that has only a battery.
Therefore, in technical field, exist being used for correctly judging and indicating the user-friendly system in electronic installation remaining power life-span and the demand of method with an above battery.Also have further demand for user-friendly system and method, described systems approach can be held an above battery effectively, selectively switches between as the battery of its power supply, with the indication remaining power life-span.
Brief summary of the invention
By promoting the system that in electronic installation of the present invention, holds two or more batteries to cause solution demand in the art.In example embodiment, the invention system is suitable for using together with radio telephone, and comprises first mechanism, is used for determining the charged state of first battery and the charged state of second battery, and provides status signal according to it.Second mechanism provides the indication that is associated with the remaining power life-span of first battery and/or second battery according to status signal.
In a particular embodiment, system also comprises the 3rd mechanism, is used for selectively switching between as first battery of the power supply of electronic installation and second battery according to status signal.Electronic installation is a radio telephone, and it comprises transceiver and the computer that communicates with transceiver.Radio telephone comprises display screen.Radio telephone also comprises the shell that holds transmitter-receiver radiotelephone, computer, first battery and second battery.
In example embodiment, second mechanism comprises the mechanism that sends first alarm signal when first running down of battery.When second running down of battery or when electronic installation is dismantled, another mechanism sends second alarm signal.Another mechanism sends alarm signal during when first battery or second battery are low, when removing second battery and when first battery and/or second running down of battery, as indicating by status signal.
Novel designs of the present invention realizes by the 3rd mechanism, selectively uses first battery or second battery to strengthen any selection of user to related electronic device as the power supply of electronic installation according to status signal.For example, when changing first battery or second battery, use radio telephone of the present invention can keep calling out, thereby reduced the generation of lost-call.
The accompanying drawing summary
Fig. 1 is the wireless telephonic exemplary plot that constitutes according to instruction of the present invention, connects battery, external connection battery, battery life in comprising and determines system and phone computer;
Fig. 2 is the flow chart of the software that moves on the phone computer of Fig. 1, be used for respectively according to connecing the indication that the remaining power life-span of battery and external connection battery is provided in providing for charged state with external connection battery in measured, as determining that by the battery life of Fig. 1 system provides;
Fig. 3 is an accompanying drawing, the software according to Fig. 2 is shown when not having the external charge power supply to be connected on the radio telephone, the configuration of shown various battery indicator on the wireless telephonic display screen of Fig. 1;
Fig. 4 is an accompanying drawing, the software according to Fig. 2 is shown when the external charge power supply is connected on the radio telephone, the configuration of shown various battery indicator on the wireless telephonic display screen of Fig. 1;
Fig. 5 is an accompanying drawing, and the software according to Fig. 2 is shown, the configuration of the various battery alarm displays of realizing by the wireless telephonic display screen of Fig. 1.
Description of the invention
Here describe the while of the present invention in the example embodiment of reference application-specific, should be appreciated that, the invention is not restricted to this.Be familiar with present technique field basic fundamental and the personnel that the instruction that provides is provided here and will appreciate that within the scope of the invention other modification, application and embodiment, and the present invention there is the other field of great utilization therein.
Fig. 1 is the exemplary plot of the radio telephone 10 that constitutes according to the present invention, it comprise shell 11, in connect battery 12, external connection battery 14, battery life and determine system 16 and phone computer 18.For the sake of clarity, not shown adjunct circuit such as clock circuit and other power line in radio telephone 10, but where known those skilled in the art that are and how to comprise necessary adjunct circuit.
Radio telephone 10 also comprises the antenna 20 that is connected to duplexer 22.Duplexer 22 is connected to transceiver 24, transceiver 24 is connected to computer 18.Computer 18 is connected to data interface adapter 26, speech coding/decoding circuit 28, keypad 30, display screen 32, battery life to be determined system 16, mains switch 36 and the outer connecting battery box 38 that holds external connection battery, thereby external connection battery 14 is connected to computer 18.In connect the output that battery 12 is connected to external charge power supply adaptor 40, also it is connected to computer 18 and outer connecting battery box 38.Also the interior battery 12 that connects is connected to the input that battery life is determined system 16, its another input is connected to external connection battery 14 by outer connecting battery box 38.
Battery life is determined that the battery status output of system 16 is connected to the input of computer 18.The input of mains switch 36 is connected to the control output 37 of computer 18.The demonstration of computer 18 control input 39 is connected to display screen 32.Battery status signal is carried in control output 37 and 39, connects the information of the charged state of battery 12 and/or external connection battery 14 inside the Pass described battery status signal includes.Charging status information can be the form of control signal, battery life shows signal or the like.
First, second and the 3rd input of mains switch 36 are connect battery 12, external connection battery 14 and charge power supply adapter output 50 in being connected respectively to.The mains switch of mains switch 36 output 38 is connected to loud speaker 60, transceiver 24, display screen 32, keypad 30, computer 18, microphone 44 and speech coding/decoding circuit 28, and generally power is delivered to radio telephone 10.Also speech coding/decoding circuit 28 is connected to microphone 44 and loud speaker 46.
In operation, battery life determine system 16 measure with in connect the voltage level that battery 12 and external connection battery 14 are associated, and voltage level compared with the predetermined battery voltage discharge curve that is associated with each battery 12 and 14, with the indication of the relative surplus battery life that produces each battery 12 and 14.Known in the art, the cell voltage discharge curve is a curve of describing the cell voltage of known predetermined discharge speed (that is, battery current draws) as the function of time.Battery life determines that the average shape of the discharge curve of 16 pairs of new batteries of system counts, and the magnitude of voltage from average discharge curve is mapped to a class value of linear change in time.
Battery life determines that system 16 can also use the interior resistance measurement value of battery 12 and 14, so that produce the indication in the remaining power life-span of battery 12 and 14.The uncertain U.S. Patent application the 09/298th that is entitled as " system and method for correctly determining the remaining power life-span " (acting on behalf of file number PA990094) that J.Pritchard proposed on April 23rd, 1999, the resistance measurement value is determined system with the battery life of correct indication that the relative surplus battery life is provided in disclose using in No. 761, this patent has transferred assignee of the present invention, and is incorporated herein by reference.
Battery life determines that system 16 offers computer 18 to battery status information, uses following more detailed description for the unique software of the present invention that operates on the computer 18.Battery life determine system 16 provide expression battery 12 and 14 state in connect the state value of battery 12 and external connection battery 14.For example, if in connect that battery 12 does not exist or not charging, then battery life determines that system's 16 indications, first battery 12 does not exist or not charging, also indicates the state of external connection battery 14.Similarly, if external connection battery 14 does not exist or not charging, then battery life determines that system 16 indication external connection batteries 14 do not exist or not charging, and by connecing the state of battery 12 in indicating corresponding to the battery status value of the indication of relative surplus battery life.These battery status values are offered computer 18, and computer 18 operating softwares to be translating the battery status value, and according to its suitable battery life message with report to the police and offer the user of radio telephone 10.
Operate in the control input control mains switch 36 that the unique software of the present invention on the computer 18 also passes through to mains switch 36.The effect of mains switch is as 3-1 demultiplexer (DEMUX), and it is selectively switching to the out-put supply line 48 that electric current is imported radio telephone 10 from the interior power supply input that connects battery 12, external connection battery 14 and external charge power supply adaptor output 50.Followingly describe more fully, the unique software of the present invention according to relevant battery 12 and 14 both battery status information and according to the external charge signal 50 that is provided to computer 18 from external charge power supply adaptor 40 selectively control external charge power supply (not shown), in connect battery 12 or whether external connection battery 14 offers radio telephone 10 to power supply.Determine that by battery life system 16 offers computer 18 to battery status information.
If there is no external connection battery 14 or the not enough support call of its electric weight; In connect enough electric weight that battery 12 has support call; And external charge signal 50 is in low level,, the external charge power supply is not connected to external charge power supply adaptor 40 that is, then operate on the computer 18 software by mains switch 36 in connect being outputted on the out-put supply line 48 of battery 12.If external connection battery 14 has enough electric weight of support call; Connect battery 12 or the not enough support call of its electric weight in not existing; And external charge signal 50 is in low level, then operates in software on the computer 18 external connection battery 14 is outputted to out-put supply line 48.If external connection battery 14 and in connect enough electric weight that battery 12 boths have support call; And external charge signal 50 is in low level, then operates in software being outputted on the out-put supply line 48 external connection battery 14 on the computer 18.If external charge signal 50 is in low level, and in connect the not enough support call of electric weight of battery 12 and external connection battery 14; Then radio telephone 10 keeps turn-offing.If in each of above-mentioned four kinds of situations, the external charge power supply is connected to external charge power supply adaptor 40 causes external charge signal 50 to be in high level, then external charge signal 50 is switched on the out-put supply line 48 by software and the mains switch 36 that operates on the computer 18.In addition, external charge signal 50 connects battery 12 and external connection battery 14 on request charging current being offered, and shows as the battery 12 of determining system's 16 outputs by battery life and/or 14 charged state by display screen 32 and the software that operates on the computer 18.The unique software of the present invention is handled and is determined the charging status information that system 16 provides by battery life, to produce the user-friendly demonstration by display screen 32.Selectively control user-friendly demonstration by user's input from keypad 30.
In order to promote the radio communication by radio telephone 10, antenna 20 sends and received signal by duplexer 22.Duplexer 22 promotes the resource-sharing of antenna 20 between transmission and receiving function.Transceiver 24 comprises transtation mission circuit, is used for the signal that sends such as coded speech signal or service negotiation signal by antenna 20 and duplexer 22.Transceiver 24 also comprises receiving circuit, is used for by other phone, base station or the signal of mobile switching centre's (not shown) reception such as service negotiation message or coded speech signal.Transceiver 24 comprises that also received signal is converted to preparation passes through the needed lower frequency changer circuit of digital baseband signal that computer 18 is handled.In addition, transceiver 24 comprises that the transmission signal is converted to preparation from digital baseband signal passes through the needed up-converter circuit of radiofrequency signal that antenna 20 sends.
The user can start calling by keypad 30 dialing.Computer 18 is connected with available wireless traffic supplier consultation business service with antenna 20 by transceiver 24, duplexer 22.When setting up business, user's speech input microphone 44, encode, and send by computer 18, transceiver 24, duplexer 22 and antenna 20 by speech coding/decoding circuit 28.Similarly, decode, and pass through loud speaker 46 as speech by the speech information of 28 pairs of receptions of speech coding/decoding circuit.Data interface adapter 20 allows to operate in software upgrading and/or the replacing on the computer 18.
Following description more fully, by promoting that holding an above battery provides the relevant user friendly user interface that holds the correct information of battery with providing to the user, the unique software of the present invention has improved the function of radio telephone 10.For example, hold an above battery effectively by the present invention, and provide battery status information by of the present invention unique display of following more abundant description to the user, the user can more easily replace external connection battery 14 and can lost-call.Can regulate the unique software of the present invention who operates on the computer 18 and not depart from scope of the present invention to hold plural battery.
Fig. 2 is the flow chart that operates in the software 60 on Fig. 1 computer 18, be used for according to determine by Fig. 1 battery life that system 16 provides measured in connect charged state with external connection battery 12 and 14, the indication in the remaining power life-span of battery 12 and external connection battery 14 is provided in providing respectively.
With reference to Fig. 1 and 2, when the user of radio telephone 10 by predetermined command or order sequence visit battery menu or during battery indicator, control is delivered to initial connection decision mechanism 62.Connect in the decision mechanism 62 initial, software 60 judges whether only connect external connection battery 14, connect battery 12 in whether only connecting, connect battery 12 whether and external connection battery 14 boths are connected to radio telephone 10, and whether connect external charge power supply (not shown) by external charge power supply adaptor 40.Judge according to the state output of determining system 16 from battery life.If the output line that is associated with battery does not provide electric weight, that is, 0 volt, then think not connect battery.If the external charge power supply is connected to radio telephone 10, then in each shows, add display Name "
*CHARGING (charging) " or " CHARGEDONE (charging is finished) ", and remove title " BETTERY (battery) " from each display screen, implement as followsly, and followingly describe more fully.If do not connect battery, then connect the external charge power supply, and visit battery menu (not shown) will represent external or in connect battery and all do not have connection.If only connect external connection battery 14, then control is delivered to the first recovering state mechanism 64.
First recovers mechanism 64 determines system's 16 visit external connection batteries 14 from battery life.State exchange is become the graphical format that shows by battery icon, battery capacity, message, warning or their combination, following description more fully.Then, control is delivered to connects battery means 66 in the nothing.
If do not apply the external charge power supply, connect battery means 66 in then not having and show that on display screen 32 expression does not have to connect in the connection message of battery, such as " No Internal Battery (connecing battery in the nothing) ".Then, software 60 display lists are shown in the message of using external connection battery 14, such as "
*Ext (external) ", and demonstration be associated with external connection battery 14 battery capacity and battery icon, followingly describe more fully.Then, control is delivered to the inspection body 68 that exits command.
Press the result of the power cutoff button on the keypad 30 as the user, as because the result who closes inadequately and automatically from the power of battery 12 or 14, or import the result of " QUIT (withdrawing from) " soft key commands as the user, whether the inspection body 68 that exits command is judged to have sent and is withdrawed from or the power cutoff order.Withdraw from or the power cutoff order if sent, then control is delivered to battery icon indication mechanism 108, its demonstration is connected to the battery 12 of radio telephone 10 and 14 battery charging state, and software 60 withdraws from.Otherwise, control is delivered to charge power supply inspection body 70.
In charge power supply inspection body 70, whether software 60 is judged by 18 external charge signal 50 is connected to adapter 40 to the external charge power supply from external charge power supply adaptor 40 to computer.If the external charge power supply is connected to radio telephone 10, then control is delivered to message erasing mechanism 72.
In message erasing mechanism 72, if just the external charge power supply is inserted, that is, finished insertion since the message erasing mechanism 72 from last time, as the represented (not shown) of software variable, then remove battery message and warning from the memory (not shown) of computer 18 by upgrading.Message erasing mechanism 72 also starts the demonstration of dynamic battery icon, followingly describes more fully, connects both current charged states of battery 12 and external connection battery 14 in the dynamic battery icon is dynamically represented, but whether simultaneously.Then, the battery that is connected is begun charging, the corresponding battery display keeps title " charging " up to the charging of finishing battery, and at this constantly, name changing becomes " charging is finished ".When charging, connect battery 12 at first making and carry out brief charging, then make external connection battery 14 carry out brief charging.If full charge is not then followed as yet, connect battery 12 full charges in making, then make external connection battery 14 sufficient chargings.During above-mentioned charging procedure, the state of the battery that the dynamic battery icon display is being charged, or otherwise, according to the charged state that connects battery 12 and external connection battery 14 in other mechanism's demonstration of implementing by software 60.A kind of basic fundamental that can be by in the art, by external charge power supply adaptor 40 and in connect between the charging that other mains switch (not shown) between battery 12 and the external connection battery 14 connects battery 12 and external connection battery 14 in implementing switching.Then, the initial decision mechanism 62 that connects is transmitted go back in control.
Do not apply the external charge power supply if charge power supply inspection body 70 is judged, then control is delivered to maintaining body 74, the battery message of storage in the past and warning are stored in the there, and corresponding the demonstration is stored in the memory of computer 18.Then, the initial decision mechanism 62 that connects is transmitted go back in control.
Decision mechanism 62 connects battery 12 in judging and external connection battery 14 boths are connected to radio telephone 10 if initially connect, and then control is delivered to the second recovering state mechanism 76.In the second recovering state mechanism 76, in recovering, software 60 connects battery 12 and external connection battery 14 indication in both remaining power life-spans.If battery 12 and 14 both time limits arrive, cause them can not provide enough power with support call, then control is delivered to expiration mechanism 78.
In expiration mechanism 78, software 60 shows a message, if there is no external charge power supply, then expire by the message informing user battery such as " Battery Expired (battery expiration) ", and showing that expression turn-offing the message of phone 10 (such as " Turning Off (shutoffs) " or show the screen title " battery " that has message " Int EXPIRED; Ext EXPIRED (in connect expiration, external expiration) ") afterwards, the generation power-off command.
If the external charge power supply is connected to radio telephone 10, the mechanism 78 of then expiring shows a message, connects battery 12 in described message is represented and external connection battery 14 boths expire, and current they is all being charged, such as "
*Charging
*In connect the expiration external expiration ".Then control is delivered to the inspection body 68 that exits command, if battery 12 and 14 both expired and do not have the external charge power supply to be connected to radio telephone 10, the Method Of Accomplishment there then.
If have only external connection battery 14 to expire, and such as the second recovering state mechanism 76 judgement, in connect battery 12 and have and think and be not low or be not enough electric weight of expiration, then control is delivered to external connection battery expiration mechanism 80, there, if power supply is not offered radio telephone 10, then software 60 produces the control signal of mains switch 36, causes phone 10 to connect battery 12 in switching to.In addition, the warning such as acoustic tones and/or flash of light message that external connection batteries 14 have expired is represented in 80 excitations of external connection battery expiration mechanism.In case the user presses the key such as " OK " button on keypad 30, connect/external connection battery indication mechanism 82 in just control being delivered to.
In connect/whether external connection battery indication mechanism 82 expression is current connects battery 12 or external connection battery 14 in using, and by the demonstration that display screen 32 is carried out the indication of the remaining power of each battery 12 and 14 is shown, such as "
*Int (in connect) ", wherein, "
*" expression connects battery 12 in using.Show the battery icon also comprise the battery electric quantity of each battery 12 and 14 and also to represent current state at the battery that uses, followingly describe more fully.If expire one of in battery 12 or the battery 14, then after suitable warning, software 60 indication particular battery are expired, and expire by electric weight, battery icon and/or text message pilot cell.Then, the user send withdraw from soft key commands after, control is delivered to the inspection body 68 that exits command.
If in the second recovering state mechanism 76, software 60 judge have only external connection battery 14 to expire and in connect battery 12 and charge, meet battery expiration mechanism 84 in then control being delivered to, wherein, show suitable warning such as " Int Battery Expired (in connect the battery expiration) ".In case the user presses such as " OK " on keypad 30, connect/external connection battery indication mechanism 82 in just control being delivered to.
If in the second recovering state mechanism 76, software 60 is judged and is connect low and external connection battery 14 chargings of battery 12 voltages in having only, meet the low mechanism 86 of battery in then control being delivered to,, show the suitable warning such as " IntBattery Low (in connect battery low) " here.In case the user presses such as " OK " on keypad 30, connect/external connection battery indication mechanism 82 in just control being delivered to.
If in the second recovering state mechanism 76, software 60 judge have only external connection battery 14 voltages low and in connect battery 12 chargings, then control is delivered to the low mechanism 88 of external connection battery,, shows the suitable warning such as " ExtBattery Low (external connection battery is low) " here.In case the user presses such as " OK " on keypad 30, connect/external connection battery indication mechanism 82 in just control being delivered to.
If in the second recovering state mechanism 76, software 60 judge external connection batteries 14 and in to connect battery 12 both's voltages low, then control is delivered to the low mechanism 90 of battery, here, the suitable warning of demonstration such as " Ext BatteryLow Int Battery Low (it is low to connect battery in external connection battery is low) ".In case the user presses such as " OK " on keypad 30, connect/external connection battery indication mechanism 82 in just control being delivered to.
If in the second recovering state mechanism 76, software 60 judges that external connection battery 14 is low, and in connect battery 12 and expired, then control is delivered to first low/expiration mechanism 92, here, the suitable warning of demonstration such as " Ext BatteryLow Int Battery Expired (connecing the battery expiration in external connection battery is low) ".In case the user presses such as " OK " on keypad 30, connect/external connection battery indication mechanism 82 in just control being delivered to.
If in the second recovering state mechanism 76, it is low to connect battery 12 in software 60 is judged, and external connection battery 14 has expired, then control is delivered to second low/expiration mechanism 94, here, the suitable warning of demonstration such as " Ext BatteryExpired Int Battery Low (it is low to connect the battery phase in the external connection battery expiration) ".In case the user presses such as " OK " on keypad 30, connect/external connection battery indication mechanism 82 in just control being delivered to.
If in the second recovering state mechanism 76, connect battery 12 and external connection battery 14 chargings in software 60 is judged, cause external or in connect in the battery not expiration or voltage low, connect/external connection battery indication mechanism 82 in then control being delivered to.
Judge that connecing battery 12 in having only is connected to radio telephone 10, then is delivered to the third state to control and recovers mechanism 96 if initially connect decision mechanism 62.In the third state is recovered mechanism 96, determine that by battery life system 16 connects the indication in the remaining power life-span of battery 12 in obtaining.If just disconnected external connection battery 14, promptly, as representing by software variable, since finishing the second recovering state mechanism 76, finished third state recovery mechanism 96 for the first time, then control to be software 60 show in switching indication mechanism 98 message, described message is represented that phone 10 is switching to and is connect the power supply of battery 12 as radio telephone 10 in the use.In switching indication mechanism 98, the message that software 60 shows such as " Now Using Int Battery (connecing power supply in using now) ".Display message reaches the preset time cycle, such as four seconds, or presses key on keypad 30 up to the user.
In case four seconds over and done with, or press key on keypad 30 any early time user, then control is delivered to and connects indication mechanism 100 in the nothing, here, software 60 shows a message, described message connects battery in representing not exist, and connects the remaining power life-span of battery 12 in also representing by battery electric quantity and/or battery icon.Then, control is delivered to external connection battery inspection body 102, here, software 60 judges whether just connected external connection battery 14.If just connected external connection battery, then control is delivered to the inspection body 68 that exits command.Otherwise, control is delivered to external charge state machine 104, here, software 60 judge the charged state of the new external connection battery 14 that connects be voltage low or charging.If not to be voltage low or charging for external connection battery 14, then control is delivered to the inspection body 68 that exits command.Otherwise, control is delivered to the external indication mechanism 106 of use.Use external indication mechanism 106 to show a message, described message represents that present phone 10 is switching to external connection battery 14 that use newly provides as power supply, such as " Now usingexternal battery (using external connection battery now) ".Show that described message reaches ten seconds, or up to the key of pressing any time user early on keypad 30.Then, control is delivered to the inspection body 68 that exits command.
In the present embodiment, the warning of carrying out in mechanism 66,98,106,78,80,84,86,88,90,92 and 94 is accompanied by too sound and/or flash of light message, yet, can replace with the warning of other type and do not depart from scope of the present invention.Also have, in the present embodiment, the battery of the residue air time with about 5 minutes (+/-3 minutes) is defined as low-voltage battery, yet, can use and depart from scope of the present invention At All Other Times and not.
Fig. 3 is an accompanying drawing, illustrates when no external charge power supply is connected to radio telephone 10, according to the software 60 of Fig. 2, goes up the various batteries that show in the LCDs (LCD) of the radio telephone 10 of Fig. 1 and shows 110 formation.
Have title " battery " with reference to figure 1,2 and 3, the first batteries 112, and connect battery 12 and external connection battery 14 both expire with indoor by message " IntEXPIRED Ext EXPIRED (in connect expiration external expiration) " notice.Battery icon 114 is shown in addition, and its represents the current charged state of battery 12 and 14, is empty in this case.In the expiration mechanism 78 and/or 82 of Fig. 2, carry out first battery and show 112.Show in 112 that at first battery battery icon 114 flickers are with not charging of expression.If keep the charge volume of 4-7% one of in battery 12 and 14, then battery icon 114 does not glimmer, but bar still keeps underfill, followingly describes more fully." QUIT (withdrawing from) " soft key 122 is shown, and the expression user can import the sequence of predetermined key or key and withdraw from.Envelope icon 128 expressions can obtain SMS (short message service) message.
Title also be second battery of " battery " show and 116 not follow by showing "
*" character item " in connect " and expression does not connect battery 12 in using, and by display items "
*External " and be illustrated in use external connection battery 14.Near item " in connect ", connect battery electric quantity 118 in the demonstration, and connect the remaining power life-span or the charging level of battery 12 in the expression.Similarly, item "
*External " near demonstration external connection battery electric weight 120, and the expression external connection battery 14 remaining power life-span or charging level.The charged state of battery icon 114 expression working batteries (it is an external connection battery 14).A bar that has battery icon 114, expression makes external connection battery 14 be charged to 7-15%.In Fig. 2, connect/carry out second battery in the external connection battery indication mechanism 82 and show 110.
Show that at the 3rd battery battery icon 114 has the bar of two signals in 124, suggestion makes external connection battery charging 15-40%.If place in item " in connect " front symbol "
*", connect remaining power life-span of battery 12 in then battery icon 114 will be represented.External connection battery electric weight 120 is consistent with battery icon 114.In Fig. 2, connect/carry out the 3rd battery in the external connection battery indication mechanism 82 and show 124.
Show that at the 4th battery battery icon 114 has the bar of three signals in 126, expression makes external connection battery 14 charging 40-65%.External connection battery electric weight 120 is consistent with battery icon 114.Similarly, show that at the 5th battery battery icon has the bar of four signals in 128, suggestion makes external connection battery 14 charging 65-100%.External connection battery electric weight 120 is consistent with battery icon 114.
When phone 10 is connected to the external charge power supply, apply the demonstration 110 of Fig. 3.In order to watch battery to show 110, the user is by the preset program visit battery menu (not shown) of user's input.
When radio telephone 10 is free of attachment to the external charge power supply, by demonstration have uncertain in advance character "
*" " in connect " or " in connect ", make to show which battery expression is using.For example, except showing 112, in each demonstration 110 of Fig. 3, using external connection battery 14, because it has electric weight.If external connection battery 14 has expired, then show and have "
*" " in connect " text of character." withdrawing from " key makes radio telephone 10 return wait state.The state of battery icon 114 reflection working batteries.
Fig. 4 is an accompanying drawing, illustrates when the external charge power supply is connected to radio telephone 10, and according to the software of Fig. 2, the various battery charge that show on the wireless telephonic display screen of Fig. 1 show 140 formation.Show and comprise that first charging shows that 142, second charging shows the 144, the 3rd charging indication mechanism 146, the 4th charging indication mechanism 148 and the 5th charging indication mechanism 150.Except four of fronts show 142,144,146 and 148, charging shows that 140 show that to the battery of Fig. 3 110 is similar, and title " battery " changes over " charging ".And show that in the 5th charging in 150, title " battery " is replaced with " charging is finished ".In the mechanism 78 and/or 82 of Fig. 2, carry out and show 140.
No matter radio telephone 10 is in connection pattern or low-power mode (shutoff), always on display screen 32, show the charging indication, that is, "
*Charging ".When being connected to the external charge power supply, unique software 60 makes the loud speaker 46 of radio telephone 10 send the tone that intensity increases.When removing the external charge power supply, software 60 also makes loud speaker 46 send the tone that intensity reduces.
If radio telephone 10 is connected, and be in standby mode or state and be connected to the external charge power supply, then battery icon 114 ' is dynamic, and represents the charged state of two batteries,, represents which given battery charges or do not charge that is.In this specific embodiment, battery 12 and 14 is charging simultaneously not.
When phone 10 is charging, battery icon 114 ' by preset time at interval (such as 320 milliseconds of time intervals) incrementally be full of, this is to use specificly, and those skilled in the art that can easily determine, to meet the needs of given application.If phone 10 is in branch time slot sleep state, then the performance of phone 10 or otherwise determine to be divided the sleep cycle of time slot and is upgraded the battery icon 114 ' that is encouraged by corresponding speed as mentioned above.Sleep state is a kind of state, and wherein, phone is connected, but does not monitor paging channel.When phone was in sleep state, it was saving energy, and can not receipt of call.
Respectively according in connect battery 12 and/or whether external connection battery 14 is connected to radio telephone 10, make the process circulation, up to interior battery 12 and/or external connection battery 14 full charges of connecing.If available words are gone back explicit identification, time and date.Whenever when phone 10 is connected to the external charge power supply or disconnects with the external charge power supply, send feedback tone sound (if starting too sound function (keybeep)) from loud speaker 46.If phone 10 is connected to the external charge power supply, then except HFK (hands-free automobile external member) device, wherein, constantly shine the (not shown) backlight of display screen 32, be provided with the duration of the back illumination of display screen 32 in accordance with the user who is stored in the computer storage by the software that operates on the computer 18.
If phone 10 is in low-power mode, the electric weight of displayed map 4 then is to connect the level and external connection battery 14 level of (if connection) of battery 12 in the expression independently.Whenever when radio telephone 10 being connected to the external charge power supply or throwing off, send clearly feedback tone sound from loud speaker 46 with the external charge power supply.If external connection battery 14 is not connected to radio telephone 10, then only show " in connect " electric weight.If connect phone 10, then addressable demonstration 140, and can see from battery menu (following description more fully), can conduct interviews by the predetermined user input.When connecting phone 10, but when being free of attachment to the external charge power supply, then title "
*Charging
*" change over " battery ", and can obtain the QUIT soft key.Have only and just show dynamic battery icon 114 ' when phone 10 is connected to the external charge power supply.If phone 10 is in low-power mode, then display screen 32 does not have the back to illuminate.
No matter phone 10 is in low-power mode or connection, when battery or battery 12 or battery 14 full charges, dynamic battery icon 114 ' becomes static state, the expression full charge.If connect battery 12 or external connection battery 14 in phone 10 does not have, but be connected to external charge power supply (except AC (interchange) adapter), then connect battery 12 quick charges in 10 pairs in the phone, then to external connection battery 14 quick charges, finish the charging that internally connects battery 12 then, then finish charging external connection battery 14.Quick charge is a process, wherein, originally battery charge is reached predetermined period of time, and this is to use specific and depend on the battery charge curve.Generally, quick charge makes battery charge to one point, and at this some place, the battery charge curve begins the recovery level, yet, can use other charging interval to carry out charging quickly and do not depart from scope of the present invention.
Fig. 5 is an accompanying drawing, the various battery alarms of carrying out according to the software 60 of Fig. 2 LCD132 by the radio telephone 10 of Fig. 1 is shown shows 160 formation.Alarm indication comprises first alarm indication 162, second alarm indication 164, the 3rd alarm indication 166, the 4th alarm indication 168, the 5th alarm indication 170, the 6th alarm indication 172, the 7th alarm indication 174 and the 8th alarm indication 176.Alarm indication 160 is general to continue 4 seconds, or up to by user's excitation " OK " soft key, before which is looked occurring in.The user is by pressing " OK " button excitation " OK " soft key on Fig. 1 keypad 30.
With reference to figure 1,2 and 5, in first alarm indication 162, display message " INTERNAL ANDEXTERNAL BATTERY LOW (in connect low) " with external connection battery.In the low mechanism 90 of battery of Fig. 2, carry out first alarm indication 162.When battery 12 and 14 boths were low, battery icon 114 generally can glimmer or glisten.
In second alarm indication 164, display message " INTERNAL BATTERY LOW (in connect battery low) ".In Fig. 2, connect in the low mechanism 86 of battery and carry out second alarm indication 164.When relating to when connecing battery 12 in low, battery icon 114 generally can glimmer or glisten.
In the 3rd alarm indication 166, display message " EXTERNAL BATTERY LOW (external connection battery is low) ".In the low mechanism 88 of external connection battery of Fig. 2, carry out the 3rd alarm indication 166.When relating to low external connection battery 14, battery icon 114 generally can glimmer or glisten.
In the 4th alarm indication 168, display message " EXTERNAL BATTERY EXPIREDINTERNAL LOW (it is low to connect battery in the external connection battery expiration) ".In second low/expiration mechanism 94 of Fig. 2, carry out the 4th alarm indication 168.In the 4th alarm indication 168, there is not battery icon.
In the 5th alarm indication 170, display message " EXTERNAL BATTERY EXPIREDINTERNAL LOW (it is low to connect battery in the external connection battery expiration) ".In first low/expiration mechanism 92 of Fig. 2, carry out the 5th alarm indication 170.In the 5th alarm indication 170, battery icon 114 generally can glimmer or glisten.
In the 6th alarm indication 172, display message " EXTERNAL BATTERY EXPIRED (external connection battery expiration) ".In the external connection battery expiration mechanism 80 of Fig. 2, carry out the 6th alarm indication 172.In the 6th alarm indication 172, there is not battery icon.
In the 7th alarm indication 174, display message " NOW USING INTERNAL BATTERY (connecing battery in using now) ".In the switching indication mechanism 98 of Fig. 2, carry out the 7th alarm indication 174.In the 7th alarm indication 174, there is not battery icon.
In the 8th alarm indication 176, display message " BATTERY EXPIRED (battery expiration) ".In the expiration mechanism 78 of Fig. 2, carry out the 8th alarm indication 176.In the 8th alarm indication 176, there is not battery icon.
Therefore, operate in the software monitoring on the computer 18 and provide battery 12 and 14 both charge informations.When connecting phone 10 and not charging, battery icon 114 expression external connection batteries 14 or in connect the charging level of battery 12, but not at the same time.When not connecting external connection battery 14, connect the charging level of battery 12 in battery icon 114 expressions.When connecting external connection battery 14, display message " Now Using ExternalBattery (just using external connection battery now) " reaches 10 seconds, or removes according to pressing any key.Battery icon 114 upgrades then, only reflects the charging level of external connection battery 14.When exhausting external connection battery 14 electric, display alarm, and after the user confirms, connect the charging level of battery 12 in battery icon 114 reflections.When disconnecting external connection battery 14, display screen 32 provides notification message, reaches four seconds such as " Now using InternalBattery (connecing battery in just using now) ", or removes according to pressing any key.Change battery icon 114 to connect the charging level of battery 12 in reflecting.
Single beeping sound is followed each warning message (seeing the mechanism 98,106,78,80 and 84 to 94 of demonstration 160 and Fig. 2), and needs the user to confirm or the process predetermined amount of time.When connecting phone 10, test point place during use, and after removing the external charge power supply, demonstration can be used warning.When phone 10 also remained 5 minutes+/-3 minute air time, low battery alarm (seeing the mechanism 86 to 94 of demonstration 162 to 170 and Fig. 2) took place.When one or more batteries 12 and 14 no longer offer phone 10 with support call to enough power, take place the expiration battery alarm (see show 168,170,172 and 176 and the mechanism 78,80 and 84 of Fig. 2).
When external connection battery 14 expirations, phone 10 obtains power supply from the interior battery 12 that connects immediately, yet battery icon 114 is not followed warning message.Afterwards, upgrade battery icon 114 in user's affirmation with in demonstration " Now Using InternalBattery (connecing battery in using now) " to connect the state of battery 14 in reflecting.
If carry out battery expiration report to the police (see show 168,170,172 and 176 and the mechanism 78,80 and 84 of Fig. 2) and do not have " OK " response of user, then change and report to the police with the most current battery charging state (seeing the mechanism 82 of Fig. 2) of reflection.Only need to press once " OK " and just remove warning message.
The term of execution of software 60 redundant warning message does not take place generally, unless when the software 60 of Fig. 2 is moving, phone 10 is connected to the external charge power supply and then removes, unless or turn-off phone 10 and then connect.When phone 10 is connected to the external charge power supply, the record that deletion is reported to the police in the past.For example, afterwards phone 10 is connected to the external charge power supply if in taking place, connect low warning of battery, and disconnect before in changing, connecing the charging of battery 12, then show " Internal Battery Low (in connect battery low) " report to the police (seeing the mechanism 86 of Fig. 2) again.Display alarm again when each energising.
If relate to the charged state that the change of external connection battery 14 influences external connection battery 14, then show suitable warning.For example, if show " External Expired Internal Low (connecing low in the external expiration) " (seeing the mechanism 94 of Fig. 2), and the transposing of generation external connection battery, then do not repeat new information and connect battery status (low) in reflecting, unless the new external connection battery that connects has new power supply defective, in this case, show suitable warning, comprise external connection battery state (low).
When battery discharged fully, battery icon 114 was not followed corresponding warning.This puts on warning " EXTERNAL BATTERY EXPIRED (external connection battery expiration) " and " BATTERY EXPIRED (battery expiration) ".Having only when reporting to the police is the discharge of external connection battery 14 when causing, report to the police " EXTERNALBATTERY EXPIRED INTERNAL LOW (connecing low in the external connection battery expiration) " is just in accordance with above-mentioned rule.If warning only in response to the interior charging level (it is low in the present example) that connects battery 12, then still keeps showing battery icon 114.
Low battery alarm (seeing the mechanism 86 to 94 of demonstration 162 to 170 and Fig. 2) offsets " Missed Call (lost-call) " (not shown).After confirming low battery alarm, show " lost-call " notice.
Various demonstrations (see Fig. 3 110,140 and Fig. 5 of Fig. 4 160) have in the situation of suspending counter, as in call lose and call failure demonstration, the appropriate message that demonstration is associated with call lose and call failure, the display screen 32 of Fig. 1 suspends to low battery alarm then.
The low warning of battery (seeing the mechanism 86 to 94 of demonstration 162 to 170 and Fig. 2) offsets short message service (SMS) notice.If show low battery alarm when arriving when calling SMS reports to the police, then SMS message shows 4 seconds, then shows low battery alarm.If during 4 seconds, press any key, then show low battery alarm.Show the SMS message that envelope icon 128 is received with expression.
If in connect battery 12 or in connect battery 12 and external connection battery 14 both can not support call, then before turn-offing phone 10, show warning.(seeing the demonstration 176 of Fig. 5 and the mechanism 78 of Fig. 2).If the user is in calling, then per minute sends low battery warning and corresponding tone warning to the user.
Therefore, the present invention has been described here with reference to the specific embodiment of application-specific.Be familiar with the present technique field and will appreciate that with the personnel that contact this instruction modification in addition, application and embodiment are within the scope of the invention.
Therefore, the expectation appending claims is any and comprise within the scope of the invention all this application, modification and embodiment.
Claims (7)
1. one kind is used for promoting to hold the system (10,60) of two or more batteries (12,14) at electronic installation (10), it is characterized in that:
First mechanism (18,60) is used to judge the charged state of first battery (12) and second battery (14), and according to charged state provide status signal and
Second mechanism (18,60,32,46) is used for providing according to status signal the indication in the remaining power life-span that is associated with first battery (12) and/or second battery (14).
2. the system as claimed in claim 1 is characterized in that, further comprises the 3rd mechanism, is used for selectively switching between as first battery (12) of the power supply of electronic installation and second battery (14) according to status signal.
3. the system as claimed in claim 1 is characterized in that, electronic installation (10) is radio telephone (10).
4. system as claimed in claim 3 is characterized in that, radio telephone (10) comprises transmitter-receiver radiotelephone (24); Computer (18), the display screen (32) that communicates with transceiver (24), the radio telephone shell (11) that holds computer (18), first battery (12) and second battery (14).
5. the system as claimed in claim 1 is characterized in that, second mechanism (18,60,32,46) comprises the mechanism (18,60,32,46) that sends first warning (78,84,92,100,170,176) when exhausting first battery (12).
6. system as claimed in claim 5, it is characterized in that second mechanism (18,60,32,46) further comprises when exhausting second battery (14) or sending second mechanism (18,60,32,46) that reports to the police (66,78,80,94,168,172,176) during from electronic installation (10) dismounting second battery.
7. system as claimed in claim 6, it is characterized in that, second mechanism (18,60,32) further comprises the indication according to status signal, when first battery (12) and/or second battery (14) are low, when first battery (12) and/or second battery (14) when being disassembled, and the mechanism (18,60,32,46) that when exhausting first battery (12) and/or second battery (14), sends warning (110,140,160).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48484900A | 2000-01-18 | 2000-01-18 | |
| US09/484,849 | 2000-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1394374A true CN1394374A (en) | 2003-01-29 |
Family
ID=23925876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01803169A Pending CN1394374A (en) | 2000-01-18 | 2001-01-18 | System and method accommodating more than one battery within electronic device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1260010A2 (en) |
| JP (2) | JP2003524362A (en) |
| KR (1) | KR20020070322A (en) |
| CN (1) | CN1394374A (en) |
| AU (1) | AU2001229623A1 (en) |
| WO (1) | WO2001054248A2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226184A (en) * | 2013-03-20 | 2013-07-31 | 东莞宇龙通信科技有限公司 | Method for acquiring cell information in multicell terminal and multicell terminal |
| CN109066892A (en) * | 2018-09-10 | 2018-12-21 | Oppo广东移动通信有限公司 | Fission screen electronic equipment charging circuit and charge control method |
| CN109940561A (en) * | 2017-12-19 | 2019-06-28 | 苏州宝时得电动工具有限公司 | A kind of display methods of electric tool and its electricity |
| CN111409044A (en) * | 2019-01-08 | 2020-07-14 | 南京德朔实业有限公司 | Combination of battery pack and electric tool |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1260010A2 (en) * | 2000-01-18 | 2002-11-27 | QUALCOMM Incorporated | System and method accommodating more than one battery within an electronic device |
| US20040204174A1 (en) * | 2002-10-29 | 2004-10-14 | Goran Pehrsson | Method for using system information from a wireless network to predict current consumption in different modes of a mobile telephone |
| KR100656588B1 (en) * | 2006-02-10 | 2006-12-13 | 삼성전자주식회사 | Potable mobile terminal capable of indicating be distinguished battery capacity by additional mounted battery and method thereof |
| JP2012023800A (en) * | 2010-07-12 | 2012-02-02 | Sharp Corp | Electronic apparatus, power supply method, and program |
| US9146207B2 (en) | 2012-01-10 | 2015-09-29 | Hzo, Inc. | Methods, apparatuses and systems for sensing exposure of electronic devices to moisture |
| US9071046B2 (en) | 2012-01-10 | 2015-06-30 | Hzo, Inc. | Methods, apparatuses and systems for monitoring for exposure of electronic devices to moisture and reacting to exposure of electronic devices to moisture |
| EP2791746A4 (en) * | 2013-01-08 | 2015-05-06 | Hzo Inc | Apparatuses, systems, and methods for detecting and reacting to exposure of an electronic device to moisture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01147643A (en) * | 1987-12-03 | 1989-06-09 | Toshiba Corp | Watchdog timer |
| US5177371A (en) * | 1990-10-12 | 1993-01-05 | Compaq Computer Corporation | Auxiliary battery operation detection circuit |
| US5825155A (en) * | 1993-08-09 | 1998-10-20 | Kabushiki Kaisha Toshiba | Battery set structure and charge/ discharge control apparatus for lithium-ion battery |
| JPH0749731A (en) * | 1993-08-09 | 1995-02-21 | Toshiba Corp | Portable computer |
| JPH10136574A (en) * | 1996-10-31 | 1998-05-22 | Hitachi Ltd | Battery control device |
| JPH118938A (en) * | 1997-06-17 | 1999-01-12 | Saitama Nippon Denki Kk | Warning circuit for residual battery capacity of portable radio equipment |
| JPH1127873A (en) * | 1997-07-02 | 1999-01-29 | Nippon Denki Ido Tsushin Kk | Portable electronic apparatus |
| EP1260010A2 (en) * | 2000-01-18 | 2002-11-27 | QUALCOMM Incorporated | System and method accommodating more than one battery within an electronic device |
-
2001
- 2001-01-18 EP EP01942804A patent/EP1260010A2/en not_active Withdrawn
- 2001-01-18 WO PCT/US2001/001751 patent/WO2001054248A2/en not_active Application Discontinuation
- 2001-01-18 CN CN01803169A patent/CN1394374A/en active Pending
- 2001-01-18 KR KR1020027007607A patent/KR20020070322A/en not_active Application Discontinuation
- 2001-01-18 JP JP2001553635A patent/JP2003524362A/en not_active Withdrawn
- 2001-01-18 AU AU2001229623A patent/AU2001229623A1/en not_active Abandoned
-
2009
- 2009-08-21 JP JP2009192197A patent/JP2010035416A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226184A (en) * | 2013-03-20 | 2013-07-31 | 东莞宇龙通信科技有限公司 | Method for acquiring cell information in multicell terminal and multicell terminal |
| CN103226184B (en) * | 2013-03-20 | 2015-09-02 | 东莞宇龙通信科技有限公司 | The method of battery information and many battery terminal is obtained in many battery terminal |
| CN109940561A (en) * | 2017-12-19 | 2019-06-28 | 苏州宝时得电动工具有限公司 | A kind of display methods of electric tool and its electricity |
| CN109066892A (en) * | 2018-09-10 | 2018-12-21 | Oppo广东移动通信有限公司 | Fission screen electronic equipment charging circuit and charge control method |
| CN109066892B (en) * | 2018-09-10 | 2021-02-05 | Oppo广东移动通信有限公司 | Split screen electronic equipment charging circuit and charging control method |
| CN111409044A (en) * | 2019-01-08 | 2020-07-14 | 南京德朔实业有限公司 | Combination of battery pack and electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010035416A (en) | 2010-02-12 |
| EP1260010A2 (en) | 2002-11-27 |
| WO2001054248A2 (en) | 2001-07-26 |
| KR20020070322A (en) | 2002-09-05 |
| JP2003524362A (en) | 2003-08-12 |
| AU2001229623A1 (en) | 2001-07-31 |
| WO2001054248A3 (en) | 2001-12-20 |
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| WD01 | Invention patent application deemed withdrawn after publication |