CN101847801A - Electronic device and concatenation method thereof - Google Patents
Electronic device and concatenation method thereof Download PDFInfo
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- CN101847801A CN101847801A CN201010145673A CN201010145673A CN101847801A CN 101847801 A CN101847801 A CN 101847801A CN 201010145673 A CN201010145673 A CN 201010145673A CN 201010145673 A CN201010145673 A CN 201010145673A CN 101847801 A CN101847801 A CN 101847801A
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Abstract
The invention relates to an electronic device which can automatically judge a master slave relation. The electronic device comprises a first concatenation device, a second concatenation device and a judge module, wherein the first concatenation device comprises a first interface which is connected with a resistor, the second concatenation device comprises a second interface which is connected with a ground wire, the judge module is connected with the first interface of the first concatenation device and is used for judging that the electronic device is a main device or a slave device. When the electronic device is connected with other electronic devices in series and the judge module judges that the voltage of the first interface is in high potential, the electronic device is judged to be the main device. The invention also provides an electronic device concatenation method which can be used for judging the master slave relation. The electronic device and the concatenation method thereof can be used for automatically distributing the master device and the slave device in electronic device interactive communication without artificial and manual operation.
Description
Technical field
The present invention is relevant for a kind of electronic equipment and series-mounting thereof, particularly relevant for a kind of electronic equipment and the series-mounting thereof that can judge master slave relation automatically.
Background technology
At present, various electronic equipments carry out interactive type communication and have become conventional demand.When a plurality of electronic equipments serial connection when forming network or system communication, or, need expand when controlling a plurality of electronic equipment when an electronic equipment, in order to realize the efficient communication of electric room, usually need to be provided with main control device and controlled plant.That is, main control device sends order or instruction, and controlled plant is accepted and communicated by letter with main control device or other controlled plants according to these orders or instruction, thus the operation of realization system or communication network.
Traditionally, for realizing above-mentioned communication, need manually manually be provided with.The electronic equipment that also is each serial connection is provided with main equipment or slave unit sign so that its according to preset mode communicate, exchange command or instruction.Yet, when relating to, communication need between a plurality of electronic equipments, in time switch master control when being subjected to control relationship, and demand often can't be satisfied rapidly, be switched accurately to artificial setting, and this not only increases the manpower burden, and causes garble or interruption easily.
Summary of the invention
In view of this, need provide a kind of electronic equipment and the series-mounting thereof that can judge master slave relation automatically.
For addressing the above problem, the invention provides a kind of electronic equipment, can when being connected in series, judge its master slave relation automatically with other electronic equipment.Described electronic equipment comprises the first serial connection device, second serial connection device and the judge module.The first serial connection device comprises first interface, connects a resistance; The second serial connection device comprises second interface, connects a ground wire; Judge module connects first interface of the described first serial connection device, is used to judge that the described electronic equipment of the described first serial connection device correspondence is main equipment or slave unit.
The present invention also provides a kind of series-mounting, the serial connection that is used for electric room, can make described electronic equipment judge that voluntarily it is main equipment or slave unit, comprise: in first electronic equipment, first interface of the first serial connection device is connected first resistance, second second interface that is connected in series device is connected first ground wire; In second electronic equipment, the 3rd the 3rd interface that is connected in series device is connected second resistance, the 4th the 4th interface that is connected in series device is connected second ground wire; The second serial connection device that is connected in series described first electronic equipment is connected in series device with the 3rd of described second electronic equipment, described the 3rd interface of the corresponding connection of wherein said second interface; Whether the voltage of judging described the 3rd interface is high potential; And when the voltage of the 3rd interface is not high potential, judge that the 3rd serial connection device corresponding electronic appliance is a slave unit.
Electronic equipment provided by the present invention and series-mounting thereof can judge automatically that the electronic equipment that is connected in series is main equipment or slave unit, thereby in time adjust communication pattern or state according to the master slave relation of described electric room, keep the validity of communication.
Description of drawings
For allowing above-mentioned purpose of the present invention and further feature, advantage and execution mode more become apparent, being described in detail as follows of appended accompanying drawing:
Fig. 1 is the structural representation of the electronic equipment of one embodiment of the invention;
Fig. 2 is the electronic equipment series connection structure schematic diagram of further embodiment of this invention;
Fig. 3 is the electronic equipment series-mounting flow chart of one embodiment of the invention; And
Fig. 4 is the structural representation of a plurality of electronic equipment serial connections of further embodiment of this invention.
[primary clustering symbol description]
10: electronic equipment
101,102,10n: first electronic equipment, second electronic equipment, n electronic equipment
100: the first serial connection devices
1001,1002,100n: the first serial connection device, the 3rd serial connection device, 2n-1 are connected in series device
200: the second serial connection devices
2001,2002,200n: the second serial connection device, the 4th serial connection device, 2n are connected in series device
300: judge module
3001,3002,300n: first judge module, second judge module, n judge module
400: resistance
4001,4002,400n: first resistance, second resistance, n resistance
500: ground wire
5001,5002,500n: first ground wire, second ground wire, n ground wire
600: the serial connection line
6001,6002,600 (n-1): the first serial connection line, the second serial connection line, n-1 are connected in series line
1000: the first interfaces
10001,10002,1000n: first interface, the 3rd interface, 2n-1 interface
2000: the second interfaces
20001,20002,2000n: second interface, the 4th interface, 2n interface
Embodiment
Clearly demonstrate spirit of the present invention in detail below with reference to accompanying drawing.Please refer to Fig. 1, be depicted as the structural representation of the electronic equipment of one embodiment of the invention.Electronic equipment 10 comprises the first serial connection device 100, the second serial connection device 200, judge module 300, resistance 400 and ground wire 500.Wherein the first serial connection device 100 comprises first interface 1000, connects described resistance 400 and described judge module 300; The second serial connection device 200 comprises second interface 2000, connects described ground wire 500.
See also Fig. 1, the first serial connection device 100 comprises first interface 1000, is connected in resistance 400 and described judge module 300.Normally, when electronic equipment 10 in when work, the electrical components or the chip that are provided with it on are understood the voltage that produce corresponding different potentials according to the operating voltage of electronic equipment.The various electrical components that the present invention illustrated are the functional block diagram of corresponding electronic element, and its operation principle is given unnecessary details no longer one by one at this.It will be understood by those of skill in the art that when electronic equipment 10 work, second interface 2000 of first interface 1000 of the described first serial connection device 100 and the described second serial connection device 200 can have the voltage of corresponding current potential.In the present embodiment, resistance 400 is pull-up resistor, electrically connects with first interface 1000, is used to draw high the voltage of described first interface 1000, makes the voltage of described first interface 1000 be upgraded to high potential.In other embodiments, resistance 400 can be adjustable resistance, the fixed value resistance of other types, perhaps according to the electronic equipment needs and the default various electronic components that draw high described first interface, 1000 voltages.
The second serial connection device 200 comprises second interface 2000, is connected in ground wire 500.In the present embodiment, second interface 2000 electrically connects described ground wire 500, thereby ground wire 500 can make second interface, 2000 voltages of the described second serial connection device 200 reduce to electronegative potential.When the second serial connection device 200 was connected in series the device serial connection with other, the electronegative potential of the described second serial connection device 200 can make the interface voltage of corresponding connection with it also reduce to electronegative potential.
See also Fig. 2, be depicted as in one embodiment of the invention, the structural representation that first electronic equipment 101 is connected in series with second electronic equipment 102.In the present embodiment, first electronic equipment 101 comprises the first serial connection device 1001, the second serial connection device 2001, first judge module 3001, first resistance 4001 and first ground wire 5001.Wherein the first serial connection device 1001 comprises first interface 10001, connects described first resistance 4001 and described first judge module 3001; The second serial connection device 2001 comprises second interface 20001, connects described first ground wire 5001.Second electronic equipment 102 comprises the 3rd serial connection device 1002, the 4th serial connection device 2002, second judge module 3002, second resistance 4002 and second ground wire 5002.Wherein the 3rd serial connection device 1002 comprises the 3rd interface 10002, connects described second resistance 4002 and described second judge module 3002; The 4th serial connection device 2002 comprises the 4th interface 20002, connects described second ground wire 5002.In the present embodiment, described serial connection line 600 is general input/output line, can carry out the transmission of the signal of telecommunication and data.In other embodiments, described serial connection line can be other communication buss, cable, main line etc., can communicate or transfer of data for described electronic equipment.
Those skilled in the art is to be understood that, when first electronic equipment 101 and 102 work of second electronic equipment, second interface 20001 of first interface 10001 of the described first serial connection device 1001 and the described second serial connection device 2001 can have the voltage of corresponding current potential, and the 4th interface 20002 of the 3rd interface 10002 of described the 3rd serial connection device 1002 and described the 4th serial connection device 2002 can have the voltage of corresponding current potential.Should be noted that, in the present embodiment, first electronic equipment 101 and second electronic equipment 102 have the identical functions structure, be that the described first serial connection device 1001 is connected in series device 1002 with the described the 3rd, the described second serial connection device 1201 is connected in series device 2002 with the described the 4th and has the identical functions structure, described first judge module 3001 is identical with described second judge module, 3002 functional structures, described first resistance 4001 is identical with described second resistance, 4002 functional structures, and described first ground wire 5001 is identical with described second ground wire, 5002 functional structures.For the purpose of simplified illustration, its functional structure is described no longer one by one in the present embodiment.In other embodiments, for adapting to the specification of distinct electronic apparatuses, the functional structure of described serial connection device can be carried out corresponding change, but for a person skilled in the art, these changes all do not depart from the scope of the present invention.
In the present embodiment, in first electronic equipment, the 101 first serial connection devices 1001, the voltage of first interface 10001 is pulled up to high potential by resistance 4001, and described high potential signal transferred to first judge module 3001, then described first judge module 3001 judges that according to the high potential signal of described first interface 10,001 first electronic equipment 101 of the described first serial connection device, 1001 correspondences is main equipment.
Equally, in the 3rd serial connection device 1002 of second electronic equipment 102, the voltage of the 3rd interface 10002 is pulled up to high potential by second resistance 4002, and described high potential signal transferred to second judge module 3002, then described second judge module 3002 judges that according to the high potential signal of described the 3rd interface 10,002 second electronic equipment 102 of described the 3rd serial connection device 1002 correspondences is main equipment.
In the present embodiment, when first electronic equipment 101 was connected in series by being connected in series line 600 with second electronic equipment 102, also promptly second of the first electronic equipment 101 serial connection device 2001 was connected in series device 1002 and is connected in series by being connected in series line 600 with the 3rd of second electronic equipment 102.Wherein, second interface 20001 of the second serial connection device 2001 and the 3rd is connected in series the 3rd interface 10002 of device 1002 by described serial connection line 600 corresponding connections.
At this moment, in first electronic equipment 101, because the voltage of first interface 10001 is pulled up to high potential by resistance 4001, then according to mentioned above, first judge module 3001 judges that according to the high potential signal of described first interface 10,001 first electronic equipment 101 is main equipment.In second electronic equipment 102, because the voltage of second interface 20001 of the described second serial connection device 2001 is reduced to electronegative potential by first ground wire 5001, at this moment, although the 3rd interface 10002 of corresponding the 3rd serial connection device 1002 that connects with it is connected in second resistance 4002, but still reduce to electronegative potential, and described low-potential signal is transferred to second judge module 3002 according to the low-potential voltage signal of second interface 20001 that transmitted of serial connection line 600.3002 low-potential voltage signals according to described the 3rd interface 10002 of described second judge module judge that second electronic equipment 102 of described the 3rd serial connection device 1002 correspondences is slave unit.
When removing serial connection line 600, in first electronic equipment 101, because the voltage of first interface 10001 still is pulled up to high potential by first resistance 4001, then first judge module 3001 judges that according to the high potential signal of described first interface 10,001 first electronic equipment 101 is main equipment.In second electronic equipment 102, the 3rd interface 10002 of the 3rd serial connection device 1002 no longer receives the low-potential voltage signal of second interface 20001 of the described second serial connection device 2001, its voltage is pulled up to high potential via second resistance 4002, and described high-potential voltage signal is transferred to described second judge module 3002.At this moment, 3002 high potential signals according to described the 3rd interface 10002 of second judge module judge that described second electronic equipment 102 is main equipment.
See also Fig. 3, be depicted as in further embodiment of this invention, the series-mounting flow chart of first electronic equipment 101 and second electronic equipment 102.Please consult the functional block diagram of electronic equipment serial connection shown in Figure 2 simultaneously, because first electronic equipment 101 is judged in being connected in series in an identical manner with second electronic equipment 102, be example only then, illustrate how described electronic equipment judges master slave relation voluntarily by disclosed series-mounting with second electronic equipment 102 at this.
Those skilled in the art is to be understood that, when first electronic equipment 101 and 102 work of second electronic equipment, second interface 20001 of first interface 10001 of the described first serial connection device 1001 and the described second serial connection device 2001 can have the high voltage of corresponding current potential, and the 4th interface 20002 of the 3rd interface 10002 of described the 3rd serial connection device 1002 and described the 4th serial connection device 2002 can have the low-voltage of corresponding current potential.In the present embodiment, because first electronic equipment 101 and second electronic equipment 102 possess the identical functions structure, therefore, when not being connected in series other electronic equipments, the high voltage that second interface 20001 of first interface 10001 of the described first serial connection device 1001 and the described second serial connection device 2001 has same potential, the 4th interface 20002 of the 3rd interface 10002 of described the 3rd serial connection device 1002 and described the 4th serial connection device 2002 has the low-voltage of same potential.
In step 201, the first serial connection device is connected to first resistance.In the present embodiment, the described first serial connection device 1001 connects first resistance 4001 by first interface 10001.Described resistance 4001 is pull-up resistor, is used to draw high the magnitude of voltage of connected first interface 10001, and can make the voltage of described first interface 10001 be upgraded to high-potential voltage.In other embodiments, described resistance can be other adjustable resistances, fixed value resistance or other can promote the electrical components of described first interface voltage.
In step 202, the second serial connection device is connected to first ground wire.In the present embodiment, the described second serial connection device 2001 connects described first ground wire 5001 by second interface 20001.Wherein, described second ground wire is used for second interface voltage of the described second serial connection device is reduced to electronegative potential, and can make second interface of the described second serial connection device keep electronegative potential when first electronic equipment is connected in series with other electronic equipment.
In step 203, the 3rd serial connection device is connected to second resistance.In the present embodiment, described the 3rd serial connection device 1002 connects second resistance 4002 by the 3rd interface 10002.Described second resistance 4002 is pull-up resistor, is used to draw high the magnitude of voltage of connected the 3rd interface 10002, and can makes the voltage of described the 3rd interface 10002 be upgraded to high-potential voltage.In other embodiments, described second resistance can be other adjustable resistances, fixed value resistance or other can promote the electrical components of described the 3rd interface voltage.
In step 204, the 4th serial connection device is connected to second ground wire.In the present embodiment, described the 4th serial connection device 2002 connects described second ground wire 5002 by the 4th interface 20002.Wherein, described second ground wire is used for the 4th interface voltage of described the 4th serial connection device is reduced to electronegative potential, and can make the 4th interface of described the 4th serial connection device keep electronegative potential when second electronic equipment is connected in series with other electronic equipment.
In step 205, electrically connect second interface and the 3rd interface.In the present embodiment, be connected in series the described second serial connection device 2001 and be connected in series device 1002 with the 3rd, thereby be connected in series first electronic equipment 101 and second electronic equipment 102.The described second serial connection device 2001 is connected in series device 1002 and is connected in series by electrical connection device 600 with the 3rd, wherein electrical connection device 600 is general input/output line, can carry out transmission such as data, signal.More specifically, in the present embodiment, described the 3rd serial connection device 1002 is connected in series device 2001 with second and is connected in series by electrical connection device 600, comprises that more the 3rd interface 10002 of the 3rd serial connection device 1002 is connected in series second interface 20001 of device 2001 by described electrical connection device 600 electric connections with second.In other embodiments, described the 3rd serial connection device 1002 is connected in series device 2001 and can be connected in series by other modes with second, and wherein said second interface and the 3rd interface can electrically connect by alternate manner.
In step 206, judge whether the voltage of the 3rd interface 10002 of described the 3rd serial connection device 1002 is high potential.In the present embodiment, when the 3rd interface 10002 voltages of described the 3rd serial connection device 1002 are high potential, then enter step 207, judge that second electronic equipment 102 is main equipment; Otherwise, then enter step 208, judge that second electronic equipment 102 is slave unit.In the present embodiment, when the 3rd interface 10002 corresponding connections second of described the 3rd serial connection device 1002 are connected in series second interface 20001 of devices 2001, the voltage of described the 3rd interface 10002 drops to electronegative potential according to the low-potential voltage signal of second interface 20001, and described low-potential voltage signal is transferred to described second judge module 3002.Thereby second judge module 3002 judges that second electronic equipment 102 of described the 3rd interface 10002 correspondences is a slave unit.
And when removing serial connection line 600, when being corresponding second interface 20001 that connects the second serial connection device 2001 of the 3rd interface 10002 of described the 3rd serial connection device 1002, the voltage of described the 3rd interface 10002 is pulled up to high potential by described second resistance 4002, and described high-potential voltage signal transferred to described second judge module 3002, thereby second judge module 3002 judges that second electronic equipment 102 of described the 3rd serial connection device 1002 correspondences is a main equipment.
See also Fig. 4, be depicted as in further embodiment of this invention, the structural representation that a plurality of electronic equipments are connected in series by series-mounting shown in Figure 3.Electronic equipment 101,102 ... 10n is connected in series mutually and communicates, or carry out exchanges data, to judge that wherein each electronic equipment is main equipment or is slave unit, to determine described electronic equipment 101,102 ... 10n should send the instruction or the order, or should accept the instruction or the order and according to described instruction or command execution corresponding function.In the present embodiment, each electronic equipment 101,102 ... the 10n functional structure is identical.In other embodiments, each electronic equipment can possess different structure, or spirit according to the present invention is made modification or change.So, those skilled in the art should understand, and these corresponding modification or change do not break away from spirit of the present invention and main idea.
In the present embodiment, when first electronic equipment 101, second electronic equipment 102, when n electronic equipment 10n is connected in series, described electronic equipment is respectively by first judge module 3001, second judge module 3002, n judge module 300n judges the corresponding first serial connection device 1001, the second serial connection device 1002, first interface 10001 of n serial connection device 100n, the 3rd interface 10002, the voltage of 2n-1 interface 1000n is high potential or electronegative potential, thereby judge the first corresponding with it electronic equipment 101 respectively, second electronic equipment 102, n electronic equipment 10n is main equipment or slave unit, to realize that the electronic equipment that is connected in series distributes master slave relation automatically, realizes efficient communication.
In the present embodiment, first electronic equipment 101 comprises the first serial connection device 1001, the second serial connection device 2001, first judge module 3001, first resistance 4001 and first ground wire 5001.Wherein the first serial connection device 1001 comprises first interface 10001, connects described first resistance 4001 and described first judge module 3001; The second serial connection device 2001 comprises second interface 20001, connects described first ground wire 5001.Second electronic equipment 102 comprises the 3rd serial connection device 1002, the 4th serial connection device 2002, second judge module 3002, second resistance 4002 and second ground wire 5002.Wherein the 3rd serial connection device 1002 comprises the 3rd interface 10002, connects described second resistance 4002 and described second judge module 3002; The 4th serial connection device 2002 comprises the 4th interface 20002, connects described second ground wire 5002.Comprise that 2n-1 serial connection device 100n, 2n are connected in series device 200n, n judge module 300n, n resistance 400n and n ground wire 500n equally, and to n electronic equipment 10n.Wherein 2n-1 serial connection device 100n comprises 2n-1 interface 1000n, connects described n resistance 400n and described n judge module 300n, and 2n serial connection device 200n comprises 2n interface 2000n, connects described n ground wire 500n.
According to series-mounting shown in the present, connect first resistance 4001, second resistance 4002 and to n resistance 400n with described first interface 10001, the 3rd interface 10002 and to 2n-1 interface 1000n is corresponding respectively; Connect first ground wire 5001, second ground wire 5002 and to n ground wire 500n with described second interface 20001, the 4th interface 20002 and to 2n interface 2000n is corresponding respectively.
Then, be connected in series described second interface and the 3rd interface, the 4th interface and the 5th interface, the 6th interface and the 7th interface and and the like.Wherein said second interface and the 3rd interface etc. are to be connected by electrical connection device 6001,6002 and to 600 (n-1).In the present embodiment, described electrical connection device is the serial connection line, that is general input/output line, can carry out transmission such as data, signal.
Same as above, when described a plurality of electronic equipments were connected in series, the voltage of first interface 10001 was pulled up to high potential by first resistance 4001, and first judge module 3001 of then described first electronic equipment 101 judges that described first electronic equipment 101 is a main equipment.Because described the 3rd interface 10002 and receive described second interface 20001, the 4th interface 20002 respectively and to the low-potential voltage signal of 2n-2 interface to 2n-1 interface 1000n, and reduce to electronegative potential according to described low-potential voltage signal, then described second electronic equipment 102 and to the judge module 3002 of n electronic equipment 10n ... 300n judge respectively with its corresponding electronic appliance be slave unit.
When described serial connection line 6001～600 (n-1) one of them or a plurality of being removed, its corresponding the 3rd interface 10002 that connects and correspondingly be pulled up to high potential to 2n-1 interface 1000n voltage via second resistance 4002 and to n resistance 400n, thereby, corresponding second judge module 3002 that connects with it and to n judge module 300n judge respectively its corresponding second electronic equipment 102 and to n electronic equipment 10n be main equipment.
Electronic equipment of the present invention and series-mounting thereof can be when a plurality of electronic equipments be connected in series, and independent judgment distributes master slave relation from as main equipment or slave unit automatically to realize the electronic equipment that is connected in series respectively, realizes efficient communication.
Though the present invention discloses as above with preferred embodiment; but be not to be used for limiting the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; can do various changes and modification based on the present invention; therefore, protection scope of the present invention should be as the criterion with the scope that claims were defined.
Claims (10)
1. an electronic equipment can judge that described electronic equipment is main equipment or slave unit automatically when other electronic equipment of serial connection, it is characterized in that described electronic equipment comprises:
The first serial connection device comprises first interface, connects a resistance;
The second serial connection device comprises second interface, connects a ground wire; And
Judge module connects described first interface, is used to judge that described electronic equipment is main equipment or slave unit.
2. electronic equipment according to claim 1 is characterized in that, described resistance is a pull-up resistor.
3. electronic equipment according to claim 2 is characterized in that, described judge module is a microprocessor.
4. electronic equipment according to claim 2 is characterized in that, described judge module is a field programmable logic circuit.
5. electronic equipment according to claim 2 is characterized in that described electronic equipment also comprises an electrical connection device, is used to be connected in series described electronic equipment and described other electronic equipment.
6. electronic equipment according to claim 5 is characterized in that, when the voltage of described first interface was electronegative potential, described judge module judged that described electronic equipment is a slave unit.
7. electronic equipment according to claim 5 is characterized in that, when the voltage of described first interface was high potential, described judge module judged that described electronic equipment is a main equipment.
8. a series-mounting is used between the electronic equipment, can judge voluntarily when working certainly as main equipment or slave unit for described electronic equipment, it is characterized in that described series-mounting comprises:
First electronic equipment is provided, comprises:
The first serial connection device comprises first interface, connects first resistance;
The second serial connection device comprises second interface, connects first ground wire; And
First judge module connects described first interface, is used to judge that described first electronic equipment is main equipment or slave unit;
Second electronic equipment is provided, comprises:
The 3rd serial connection device comprises the 3rd interface, connects second resistance;
The 4th serial connection device comprises the 4th interface, connects second ground wire; And
Second judge module connects described the 3rd interface, is used to judge that described second electronic equipment is main equipment or slave unit;
Be connected in series described second electronic equipment and described first electronic equipment, wherein connect described second interface and described the 3rd interface by an electrical connection device;
Whether the voltage of judging described the 3rd interface is high potential; And
When described the 3rd interface voltage was not high potential, second judge module judged that described second electronic equipment is a slave unit.
9. series-mounting according to claim 8 is characterized in that, connects described second interface by described electrical connection device and also comprises by general input/output line with described the 3rd interface and be connected described the secondth interface and described the 3rd interface.
10. series-mounting according to claim 8 is characterized in that, when removing described electrical connection device, described the 3rd interface voltage is a high potential, and second judge module judges that described second electronic equipment is a main equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010145673A CN101847801A (en) | 2010-04-09 | 2010-04-09 | Electronic device and concatenation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010145673A CN101847801A (en) | 2010-04-09 | 2010-04-09 | Electronic device and concatenation method thereof |
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| CN101847801A true CN101847801A (en) | 2010-09-29 |
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| CN201010145673A Pending CN101847801A (en) | 2010-04-09 | 2010-04-09 | Electronic device and concatenation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824771A (en) * | 2015-10-28 | 2016-08-03 | 维沃移动通信有限公司 | Electronic device and master-slave switching method and apparatus thereof |
| CN111386433A (en) * | 2017-12-22 | 2020-07-07 | 三星电子株式会社 | Electric appliance and control method thereof |
-
2010
- 2010-04-09 CN CN201010145673A patent/CN101847801A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824771A (en) * | 2015-10-28 | 2016-08-03 | 维沃移动通信有限公司 | Electronic device and master-slave switching method and apparatus thereof |
| CN105824771B (en) * | 2015-10-28 | 2019-10-15 | 维沃移动通信有限公司 | Electronic equipment and its master-slave switching method and device |
| CN111386433A (en) * | 2017-12-22 | 2020-07-07 | 三星电子株式会社 | Electric appliance and control method thereof |
| US11156974B2 (en) | 2017-12-22 | 2021-10-26 | Samsung Electronics Co., Ltd. | Appliances and control method thereof |
| US11537092B2 (en) | 2017-12-22 | 2022-12-27 | Samsung Electronics Co., Ltd. | Appliances and control method thereof |
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Application publication date: 20100929 |