CN1135873C - Mobile communication device, power-supply unit and power-supply method of mobile communication device, and data terminal connection card equipment connectable to mobile communication device - Google Patents

Mobile communication device, power-supply unit and power-supply method of mobile communication device, and data terminal connection card equipment connectable to mobile communication device Download PDF

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Publication number
CN1135873C
CN1135873C CNB981088236A CN98108823A CN1135873C CN 1135873 C CN1135873 C CN 1135873C CN B981088236 A CNB981088236 A CN B981088236A CN 98108823 A CN98108823 A CN 98108823A CN 1135873 C CN1135873 C CN 1135873C
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China
Prior art keywords
mobile communication
communication equipment
equipment
power source
external power
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Expired - Fee Related
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CNB981088236A
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Chinese (zh)
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CN1207641A (en
Inventor
���﹫¡
长田公隆
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Lenovo Innovations Co ltd Hong Kong
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NEC Corp
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Publication of CN1207641A publication Critical patent/CN1207641A/en
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Publication of CN1135873C publication Critical patent/CN1135873C/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

A mobile communication equipment to which AC power can be supplied through a DTE (data terminal) equipment independently of the supply voltage state of a battery pack. When power supply from an AC adapter external power source is detected in a DTE equipment, this information is sent to a non-telephone communication card. When receiving information as power supply from the AC adapter external power source, the non-telephone communication card turns on a switch to permit power supply to a mobile communication equipment. When power supply from the external power source is detected in the mobile communication equipment, power supply from a battery pack is switched to that from the external power source.

Description

The communication means of mobile communication equipment, itself and external equipment and to its method of supplying power to
The present invention relates to the power supply unit and the method for supplying power to of mobile communication equipment, mobile communication equipment and can be connected to the data terminal Connection Card equipment of mobile communication equipment.More particularly, the present invention relates to realize the power supply of the mobile communication equipment of RFDC.
For enforcement provides the power supply of pocket telephone to be suggested from automobile batteries, and pocket telephone is connected on the automobile adapter unit of automobile, its pocket telephone is according to internal cell or backup battery work.
Proposed to implement pocket telephone to be powered, and the pocket telephone according to internal cell or backup battery work has been connected on the automobile mounted adapter unit from automobile batteries.For example, the flat 5-206926 of Japanese Patent Application Publication No. discloses in this automobile adapter unit, if internal cell or backup battery have consumed, then the automobile adapter unit make the pocket telephone of ON (connection) state use pocket telephone mains switch operation start it.
Fig. 1 represents to be used for the block diagram of the automobile adapter of the pocket telephone that comprised by above-mentioned formal report.
In Fig. 1, pocket telephone U1 is connected to automobile adapter unit U2 by external power source input 1011, battery charging terminal 1012, backup battery charging end 1015 and mains switch control end 1013.And, earth terminal 1014 ground connection of pocket telephone U1.
When the mains switch 1021 of automobile adapter unit U2 is connected to automobile batteries 1051, when being connected to open end 1035, deliver to the backup battery 1003 of pocket telephone U1 by backup battery charging end 1015 from the voltage of automobile batteries 1051 by voltage stabilizer 1024 with mains switch 1021.On the other hand, when mains switch 1021 is received when connecting end 1034, because power circuit and other circuit 1005 of pocket telephone U1 are delivered in the operation of voltage stabilizer 1022 by external power source input 1011 from the voltage of automobile batteries 1051.And internal cell 1007 is also charged by charging circuit 1023 by battery charging terminal 1012.
Because the mains switch 1021 of the power switch circuit 1006 interlocking automobile adapter unit U2 of pocket telephone U1, when power switch circuit 1006 is in off-state, mains switch 1021 is connected to open end 1035, and when power switch circuit 1006 was in on-state, mains switch 1021 was received and is connected end 1034.
So the power supply of pocket telephone U1 is in off-state, realize from automobile batteries 1051 to backup battery 1003 power supply, and when power supply is in on-state, realization is from automobile batteries 1051 to internal cell 1002 and the power supply of circuit 1005 separately.
On the other hand, this pocket telephone is connected to personal computer, so that its generation information in personal computer, be sent to another telephone set etc. by telephone wire from pocket telephone, perhaps it produces the information from transmission such as another telephone sets, is stored in the personal computer with reception.
In this situation, when realizing information communication on automobile, personal computer and pocket telephone are respectively by inserting powered battery.Otherwise if use above-mentioned technology, pocket telephone can be powered by automobile batteries.
Yet personal computer is battery-operated with interpolation, if the supply voltage of battery descends, it is impossible to use personal computer to become.If the power supply from the automobile batteries to the personal computer has realized, just can realize communication, and not have the interpolation battery.In this situation, yet must provide a jockey, be used for personal computer being powered from automobile batteries.
On the other hand, personal computer is in indoor use, and it becomes available AC power supplies power supply, yet, can not realize pocket telephone is powered.Therefore, when the voltage of the insertion battery of pocket telephone reduces, just can not realize communication.
Therefore, an object of the present invention is to provide a kind of improved mobile communication equipment, and solved the problems referred to above.
Another object of the present invention provides a kind of power supply unit and method thereof that is used for mobile communication equipments such as pocket telephone, and power supply is that the data terminal unit from personal computer etc. provides.
Another purpose of the present invention provide be used to make AC power supplies can from data terminal unit provide and with the power supply unit and the method thereof of the irrelevant mobile communication equipment of the conditioned disjunction consumption of the interpolation battery of mobile communication equipment or removable battery part.
The present invention has another purpose to provide again to make supply voltage offer mobile communication equipment and connect the data communication card of improved data terminal unit to mobile communication equipment from data terminal unit.
According to an aspect of the present invention, for realizing above-mentioned purpose, be provided at a kind of mobile communication equipment of realizing RFDC between external equipment and the described mobile communication equipment, described mobile communication equipment comprises: the input unit that is used to import the data that send to external equipment, be used for differentiating the identification device of the information of external power source from the information of input unit, with the information that is used to respond the external power source of differentiating by identification device, from external power source to realize the device of power supply at the circuit separately of the inside of mobile communication equipment.
According to a further aspect in the invention, provide a card apparatus to be used for the mobile communication equipment of the RFDC that externally realizes between equipment and the mobile communication equipment is connected to the data terminal that sends data to mobile communication equipment, this mobile communication equipment comprises: first jockey is used to realize the connection to the data terminal; Storage device is used to store the power information of the data terminal of coming by first jockey; Second jockey is used to realize the connection of mobile communication equipment; Switching device can be provided to second jockey to supply voltage from the data terminal by the described first jockey input supply voltage; And control device, be used for realizing responding the control of the switching device of the information that is stored in storage device.
According to of the present invention again on the other hand, be provided at the power supply unit of realizing the mobile communication equipment of RFDC between external equipment and the mobile communication equipment, if mobile communication equipment comprises: data terminal, be used to transfer data to mobile communication equipment, and card apparatus, be used to provide data to mobile communication equipment, and connect data terminal to communication equipment, wherein, when data terminal when AC adapter external power source receives power supply, mobile communication equipment receives power supply by card apparatus from data terminal.
According to a further aspect of the invention, the method of supplying power to of a mobile communication equipment is provided, this mobile communication equipment comprises: mobile communication equipment, externally between equipment and the Mobile Communication's letter equipment with wireless realization data communication, data terminal, be used to transfer data to mobile communication equipment, and card apparatus, be used to provide data to mobile communication equipment and connect data terminal and arrive mobile communication equipment, the method of power supply comprises that step is: differentiate whether the power supply that receives from AC adapter external power source is arranged, result with the storage discriminating, wherein when identification result is represented to have from power supply that AC adapter external power source receives, can produce supply voltage, be provided to mobile communication equipment from AC adapter external power source by data terminal and card apparatus.
As mentioned above, differentiate data terminal according to mobile communication equipment of the present invention and whether receive power supply from AC adapter external power source, when AC adapter external power source and reception power supply, can produce power supply from the AC adaptor power supplies, be provided to mobile communication equipment by data terminal and card apparatus.Therefore just can operate mobile communication equipment and irrelevant with the cell voltage of mobile communication equipment.
Above-mentioned and further purpose of the present invention and novel feature are understood more fully from following detailed when read in conjunction with the accompanying drawings.Should understand clearly, this accompanying drawing only is used for illustration purpose and does not attempt definition as restriction of the present invention.
Fig. 1 is the block diagram that is used to illustrate traditional automobile adapter;
Fig. 2 is a block diagram according to an embodiment of the invention;
Fig. 3 is the block diagram of an embodiment of DTE unit shown in Figure 2;
Fig. 4 is the block diagram of an embodiment of non-telephone communication shown in Figure 2;
Fig. 5 is the block diagram of an embodiment of mobile communication equipment shown in Figure 2;
Fig. 6 is the flow chart that is used to illustrate operation of the present invention; With
Fig. 7 is the block diagram of another embodiment of mobile communication equipment shown in Figure 2.
In conjunction with the accompanying drawings most preferred embodiment of the present invention is described in detail now.
Fig. 2 represents the block diagram of radio data communication equipment according to an embodiment of the invention.
In Fig. 2, radio data communication equipment comprises: mobile radio communication apparatus 10, non-telephone communication card 20 and data terminal equipment (DTE) 30.Preferably, mobile radio communication apparatus is an automobile telephone machine, pocket telephone or cordless telephone generation 2 machine.Or preferably, mobile radio communication apparatus also is a two-way communication type beep-pager.And mobile radio communication apparatus 10 is connected to knock-down battery component 40, so that supply voltage to be provided.Battery component is not limited to knock-down parts, and preferably battery component is comprehensively gone into mobile radio communication apparatus 10.
Preferably, non-telephone communication card 20 be can data communication between mobile radio communication apparatus 10 and DTE equipment 30 the data terminal Connection Card.Especially, preferably non-telephone communication card 20 is by pcmcia interface, and promptly the connector of PCMCIA is received DTE equipment 30, and non-telephone communication card 20 is connected to mobile radio communication apparatus 10 by communication cable.Non-telephone communication card is called storage card, modulation (modem) card, or pcmcia card.
Preferably, DET equipment 30 is personal computer or portable data assistance.Battery component 50 is comprehensively gone into DTE equipment 30, so realized power supply.Though preferably battery component 50 is not comprehensively gone into DTE equipment 30,50 pairs of DTE equipment 30 of battery component are knock-down.When receiving DTE equipment 30, AC power supplies 60 realizes 30 power supplies of DTE equipment and AC power supplies 60 are realized battery component 50 chargings.Yet the present invention does not limit these things, and preferably, mobile communication equipment 10 is to carry out wireless connections to base station etc., and can realize the equipment of data communication.Preferably, DTE equipment 30 is a cumulative data and the equipment that can transmit data.Preferably, non-telephone communication card 20 is to carry out the equipment that possible data transmit between mobile communication equipment 10 and DET equipment 30.
Fig. 3 represents the block diagram according to the DTE equipment 30 in the radio data communication equipment of the present invention.In Fig. 3, represented only relevant composition with the present invention, yet, form and play normal DTE equipment by a kind of.
In Fig. 3, DTE equipment 30 has the CPU (CPU) 31 of the various functions of control in common DTE equipment 30 and the RAM (random access memory) 32 of conduct storage memory of data.And DTE equipment 30 has a pcmcia interface (I/F) part 33, bears the connection to non-telephone communication card 20.The data that are stored in RAM 32 output to non-telephone communication card by PCMCIA I/F part 33.Simultaneously, from the storage of non-telephone communication card 20 in RAM 32.PCMCIAI/F part 33 is carried out data communication and is also carried out the power supply of delivering to non-telephone communication card 20.
Testing circuit 34 differentiates that this power supply is power supply to be provided or to provide power supply from AC adapter external power source 60 from battery component 50.Preferably, this is differentiated and is realizing always or realizing on each certain hour interval.The result who differentiates outputs to CPU 31.When battery component 50 is charged by AC adapter external power source 60, be whether to have from 60 power supplies of AC adapter external power source to differentiate.Power switch circuit 35 is according to CPU 31 control transformation.Power switch circuit 35 provides battery component 60 or AC adapter external power 60 to PCMCIA I/F part 33.
Then, will the operation of DTE equipment 30 shown in Figure 3 be described.
At least deliver to CPU 31 from the supply voltage of battery component 50 or AC adapter external power source 60, RAM 32 and testing circuit 34, so, whether differentiate from AC adapter external power source by testing circuit 34.Discrimination result is provided to CPU 31 and CPU 31 is stored among the RAM32.For example, CPU 31 to be being that this mode during by AC adapter external power 60 power supply is stored in power supply, storage " 1 ", and when power supply be not during from 60 power supplies of AC adapter external power source, store " 0 ".
When non-telephone communication card 20 was connected to PCMCIA I/F part 33, CPU 31 detected this and connects, so response is stored in the conversion of discrimination result realization power switch circuit 35 among the RAM 32.That is, when AC adapter external power source 60 was connected to the there, CPU 31 provided supply voltage to PCMCIA I/F part 33, and selected the supply voltage from AC adapter external power source 60.And when AC adapter external power source 60 was free of attachment to the there, CPU 31 provided supply voltage to PCMCIA I/F part 33, and selected the supply voltage from battery component 50.
Be stored among the RAM 32 data and differentiate the result and offer PCMCIA I/F part 33 by CPU 31.
The data of PCMCIA I/F part 33 output RAM 32 and the supply voltage of power switch circuit 35 are to non-telephone communication card 20.
Fig. 4 is the block diagram according to non-telephone communication card 20 of the present invention.
In Fig. 4, non-telephone communication card 20 is connected with PCMCIA I/F part 26 by the PCMCIA I/F part 33 of DTE equipment 30.
Non-telephone communication card 20 comprises: card attribute information (CIS) 22, card configuration register 23, and modulator-demodulator (modem) port function part 24.Card attribute information (CIS) 22 storage representations are in the information of process informations such as the common nextport modem card NextPort of storage card side drive, storage card or pcmcia card.Modem port funtion part 24 realizes the parallel serial conversion of data.These parts separately are by CPU 21 controls.
Status register 25 is storage registers by DTE equipment 30 output judged results, and it becomes and can write from DTE equipment 30.CPU 21 is according to the storage condition control switch 27 of status register 25.That is, non-telephone communication card is operated, and receives the power supply from DTE equipment 30 simultaneously.Non-telephone communication card can not be exported the power Vcc that is provided to the outside, yet when power supply power supply is during from 60 power supplies of AC adapter external power source, it can produce the power source voltage Vcc that is provided to mobile communication equipment 10 by switch 27 and mobile communication I/F part 38.And preferably, according to the content of the control dirty [state] register 25 of CPU 21.
And non-telephone communication card 20 has respectively ROM 28 and the RAM 29 as program storage and working storage.Mobile communication equipment control section 36 control connections mobile communication equipment 10 thereunto, when pocket telephone connected as mobile communication equipment 10, mobile communication equipment control section 36 was realized the control or the power supply control of pocket telephone by mobile communication equipment I/F part 38.For example, these controls can be operated from DTE equipment 30 sides.Particularly, these controls can be carried out automatic-answering back device and breathe out automatically, for example breathe out and incoming call.Data Control part 37 is carried out the chnnel coding of data, and these data send to mobile communication equipment 10 or receive from it, i.e. Data Control part 37 realizations can be at the protocol conversion of DTE equipment 30 sides indication.
Then, with the operation of describing according to non-telephone communication card of the present invention.CIS 22 is by 30 scannings of DTE equipment, so that the value of configuration can be write card configuration register 23.CPU 21 can use modem port 24 according to the value of writing card configuration register 23, so, the configuration of end-card.
In status register 25, write by DTE equipment 30 and realize, whether power so just storing from AC adapter external power source 60.CPU 21 judges the content that is stored in the status register, if from 60 power supplies of AC adapter external power source, makes switch 27 be connection, and if not from 60 power supplies of AC adapter external power source, makes switch 27 for opening.When switch 27 is in on-state, deliver to mobile communication equipment I/F part 38 by switch 27 from the supply voltage of PCMCIA I/F part 26.
Fig. 5 represents the block diagram according to mobile communication equipment 10 of the present invention, only describes the parts relevant with the present invention.Though do not describe in Fig. 5, composition that needs and function are provided at the there as mobile communication equipment certainly.
In Fig. 5, CPU 11 is connected to non-telephone communication card 20 by mobile communication equipment I/F part 13.CPU 11 control power switch circuits 14, and by the power control signal from mobile communication equipment I/F part 13 of mobile communication equipment I/F part 38 inputs from non-telephone communication card 20 transmissions.At this, power control signal is expression is produced power supply by external power source a signal.When power control signal is received, because the control of CPU11, be provided to various piece at power switch circuit 15 from the supply voltage of DTE equipment 30.And when power control signal is not received, be provided to various piece by switching circuit 15 from the supply voltage of battery component 40.
The RAM12 storage is also stored the data by non-telephone communication card input by the information data of the radio communication gained of mobile communication equipment 10 and base station etc.Preferably, the RAM12 storage is sent to the data of non-telephone communication card, or RAM 12 storage power control signals.
Preferably, mobile communication I/F part 38 is connected to mobile communication equipment I/F part 13 by communication cable.Communication cable comprises about 16 holding wires, yet, be 8 or 9 holding wires in the use of actual data communication, and other holding wire is obsolete.Preferably, it makes source current can be provided to mobile communication equipment 10 in the present invention, and this electric current is to use and receives from DTE equipment 30 from the residual signal line of AC adapter external power source 60.For power control signal, preferably use to be in the untapped holding wire in the use or to be in holding wire in the use.
Then, in conjunction with the flow chart of Fig. 6 operation of the present invention is described.
In Fig. 6, at first, DTE equipment 30 produces the condition of power supply that is detected by testing circuit 34, is stored in (step S101) among the RAM32.Preferably, when power supply is during from AC adapter external power source 60 power supply, CPU31 store " 1 " in RAM 32, and is not when AC adapter external power source 60 is powered when powering, and CPU stores " 0 " in RAM 32.
Then, CPU 31 detects non-telephone communication card 20 and whether is connected to PCMCIA I/F part 33 (step S102).In response to the connection of non-telephone communication card, DTE equipment 30 is provided to non-telephone communication card 20 to the power supply of battery component 50 or AC adapter external power source from PCMCIA I/F part 33.Non-telephone communication card 20 enters compute mode, receives the power supply from the Vcc end of PCMCIA I/F part 26 simultaneously, promptly blocks power supply and becomes on-state (step S201).
The CIS22 of the non-telephone communication card 20 of DTE equipment 30 continuous sweeps, then obtain the card attribute information, so that it produces the configuration (step S103) of implementing card.Then, DTE equipment 30 is write supply unit the status register 25 (step S104) of non-telephone communication card 20.
On the other hand, when power supply became on-state, according to DTE equipment 30, response was set to the configuration of card configuration register 23, and non-telephone communication card 20 starts modem port 24.Therefore, in response to the information of write state register 25, CPU 21 judges whether to produce the control (step S203) of implementing switch 27.That is, if power supply is from battery component 50 power supplies of DTE equipment 30, positive normal off/open state of switch 27 not work, so, to mobile communication equipment 10 for example portable phone etc. do not carry out any control (step S204).Simultaneously, if power supply is to power from the AC adapter external power source 60 that is connected to DTE equipment 30, CPU21 makes switch 27 be on-state, so connect the Vcc end (step S205) that the Vcc of mobile communication equipment I/F part 38 holds PCMCIAI/F part 26.Then, CPU 21 is provided with Mobile Communication's letter equipment 10 to the external power source pattern, has realized the control (step S206) of the external signal line of mobile communication equipment 10 simultaneously.Be that CPU21 delivering power control signal arrives mobile communication equipment 10, so, notify this power supply from 10 power supplies of 60 pairs of mobile communication equipments of AC adapter external power source.
In mobile communication equipment 10, when it produced the power control signal that will receive, electric source modes became the external power source pattern, and the power supply of various piece is (the step S301) that is realized by the Vcc end of PCMCIA I/F part 13.
In the above-described embodiment, it makes power control signal be sent to mobile communication equipment 10 from non-telephone communication card 20.Yet, preferably according to whether it makes supply voltage control from the fact of the Vcc end detection of the I/F part 13 on mobile communication equipment 10.
Fig. 7 is the block diagram of mobile communication equipment according to another embodiment of the present invention.
In Fig. 7, CPU 11 is connected to non-telephone communication card 20 by mobile communication equipment I/F part 13.Whether testing circuit 16 detects has from the power supply of mobile communication equipment I/F part 13, when power supply, from the supply voltage of DTE equipment 30 because the control of CPU 11 is provided to the various piece at power switch circuit 15.And when not having power supply, be provided to various piece by power switch circuit 15 from the supply voltage of battery component 40.Testing circuit 16 is realized the detection identical with the testing circuit 34 of DTE equipment 30, that is, preferably, whether detection always has power supply.Also preferably, whether detection is with each Fixed Time Interval power supply.
RAM 12 has the identical function with RAM shown in Figure 5, yet RAM 12 can store the testing result of testing circuit 16, rather than power control signal.
As mentioned above, according to the present invention, can be provided to mobile communication equipment to supply voltage from AC adapter external power source by DTE equipment and/or non-telephone communication card.Therefore, it can realize communication, and does not worry the supply voltage of the battery component of mobile communication equipment.And becoming only to provide power supply from a power-supply device.
Although used specific term that most preferred embodiment of the present invention is described, this description only is used for illustration purpose, and be construed as, can carry out various variations and remodeling, and do not break away from the spirit and scope of the present invention that following claim limits.

Claims (6)

1, be implemented in a kind of mobile communication equipment of the radio communication between external equipment and the described mobile communication equipment, comprise:
Be used for the interface circuit of input transfer to the data of described external equipment;
Be used for differentiating the identification device of the information of external power source from the information of described interface circuit;
Be used for described information, realize power switch circuit from described external power source to each circuit supply on described mobile communication equipment in response to the external power source of differentiating by described identification device.
2, according to the mobile communication equipment of claim 1, wherein said interface circuit is connected to the card apparatus that is connected with the data terminal equipment with described data.
3, according to the mobile communication equipment of claim 2, the information of wherein said external power source is the information from described card apparatus output.
4, according to the mobile communication equipment of claim 2, the detection of the information of wherein said external power source is to carry out by the detection of the supply voltage of described external power source.
5, method for communicating between equipment and the mobile communication equipment externally comprises step:
Input transfer is to the data of described external equipment;
From the information of described interface circuit, differentiate external power source; With
In response to the described information of the external power source of differentiating by identification device, realize from external power source through the power supply of a data terminal and card apparatus to each circuit in described mobile communication equipment.
6, a kind of method of supplying power to of mobile communication equipment, this mobile communication equipment comprises: by externally between equipment and the described mobile communication equipment radio communication realize the mobile communication equipment of data communication, be used to transfer data to the data terminal of described mobile communication equipment, provide described data to be connected the card apparatus of described data terminal to described mobile communication equipment simultaneously to described mobile communication equipment with being used to, described method of supplying power to comprises step:
Differentiate whether the power supply that receives from AC adapter external power source is arranged; With
The result that storage is differentiated,
Wherein when described identification result was represented to have from power supply that AC adapter external power source receives, it made supply voltage be provided to described mobile communication equipment by described data terminal and described card apparatus from described AC adapter external power source.
CNB981088236A 1997-03-24 1998-03-24 Mobile communication device, power-supply unit and power-supply method of mobile communication device, and data terminal connection card equipment connectable to mobile communication device Expired - Fee Related CN1135873C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP69756/97 1997-03-24
JP9069756A JP3058115B2 (en) 1997-03-24 1997-03-24 Mobile communication device, power supply device and power supply method for mobile communication device, and data terminal connection card device connectable to mobile communication device
JP69756/1997 1997-03-24

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CN01139438A Division CN1352491A (en) 1997-03-24 2001-11-20 Card equipment, method for power supply of card equipment and power supply unit of mobile communiation device

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CN1207641A CN1207641A (en) 1999-02-10
CN1135873C true CN1135873C (en) 2004-01-21

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CN01139438A Pending CN1352491A (en) 1997-03-24 2001-11-20 Card equipment, method for power supply of card equipment and power supply unit of mobile communiation device

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JP3058115B2 (en) 2000-07-04
CN1207641A (en) 1999-02-10
JPH10271230A (en) 1998-10-09
CN1352491A (en) 2002-06-05
GB2325119A (en) 1998-11-11

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