CN103970308A - Wireless connection method of electronic device and computer host, and computer system - Google Patents
Wireless connection method of electronic device and computer host, and computer system Download PDFInfo
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- CN103970308A CN103970308A CN201310048092.6A CN201310048092A CN103970308A CN 103970308 A CN103970308 A CN 103970308A CN 201310048092 A CN201310048092 A CN 201310048092A CN 103970308 A CN103970308 A CN 103970308A
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Abstract
The invention discloses a wireless connection method of an electronic device and a computer host, and a computer system. The wireless connection method includes performing near field wireless communication between a near field wireless communication reading element of the computer host and a near field wireless communication tag of the electronic device; performing Bluetooth wireless communication between the computer host and the electronic device; disabling the near field wireless communication tag to stop the near field wireless communication reading element from repeatedly reading the near field wireless communication tag for the convenience of a user to operate the electronic device.
Description
Technical field
The present invention is about the wireless connection method of a kind of electronic installation and computer system, especially about utilizing the electronic installation of near field communication technology and the wireless connection method of computer system.
Background technology
Generally speaking, the electronic installation of computer system periphery comprise mouse, key board unit, Trackball device and and Trackpad etc., wherein mouse can provide user's intuitive ground mode of operation, and can easy operation computer system, be therefore quite subject to the attention of user and electronic installation manufacturer.
First the connected mode of existing computer system and electronic installation is described.Please refer to Fig. 1, it is the schematic appearance that existing computer system is connected in electronic installation.Computer system 2 comprises a host computer 21 and a computer screen 22, and host computer 21 is connected to an electronic installation 1 and computer screen 22, and host computer 21 has a connectivity port 211, and computer screen 22 is in order to show a form 221 and vernier 222.Electronic installation 1 is carried out corresponding instruction in order to control vernier 222 so that carry out host computer 21, and wherein electronic installation 1 is mouse.Electronic installation 1 has a connecting line 11 and a connector 12, one end of connecting line 11 is connected in connector 12, in order to transmit multiple slide-mouse signals, and the signal that connector 12 is set up between electronic installation 1 and host computer 21 in order to be plugged in the connectivity port 211 of host computer 21 is connected, wherein connector 12 is USB (universal serial bus) (Universal Series Bus, USB) interface.
But, because electronic installation 1 is to be connected in host computer 21 by connecting line 11, therefore user's opereating specification must be limited to the length of connecting line 11, and cause the inconvenience in use.Therefore, along with the maturation of Radio Transmission Technology, electronic installation manufacturer is applied to Radio Transmission Technology on electronic installation, make electronic installation can utilize Radio Transmission Technology wireless connections in computer system, wherein Radio Transmission Technology comprises 2.4G RF (Radio Frequency) Radio Transmission Technology, 5G RF Radio Transmission Technology and bluetooth (Bluetooth) Radio Transmission Technology.
In 2.4G RF Radio Transmission Technology and 5G RF Radio Transmission Technology, it must just be carried out wireless transmission by a wireless signal transmitter and a wireless signal receiver, generally speaking, in wireless signal transmitter, be built in electronic installation, and wireless signal receiver is plugged on host computer by the connectivity port of host computer, carried out by this wireless connections between electronic installation and electric angry main frame.In addition, because different electronic installation manufacturer all adopts different settings for the communication protocol of 2.4G RF Radio Transmission Technology and 5GRF Radio Transmission Technology, it will be difficult to unified its communication protocol, that is to say, the electronic installation of different electronic installation manufacturer manufacturing cannot share with the wireless signal receiver of other electronic installation manufacturer manufacturing.
Because RF Radio Transmission Technology has above-mentioned defect, and the communication protocol of Bluetooth wireless transmission technology and relevant specification are unified specification, it can be applicable on the electronic installation of different electronic installation manufacturer, therefore Bluetooth wireless transmission technology is subject to the favor of many electronics corporations, and Bluetooth wireless transmission technology is applied on its electronic installation.But, electronic installation is connected in by Bluetooth wireless transmission technology in the process of host computer or another electronic installation, electronic installation must be searched host computer or another electronic installation, this search process must expend a period of time, therefore, user must wait for a period of time and just can complete Bluetooth wireless transmission.
In view of above-mentioned search time long, a built-in near field communication (Near Field Communication in the Windows8 operating system that company of Microsoft (Microsoft) releases, NFC) technology, it replaces the pairing process of Bluetooth wireless technology by near field communication technology, to shorten the required time of Bluetooth wireless technology.First the hardware device of near field communication is carried out in explanation, electronic installation is provided with a near field communication label (NFC Tag) and one first Bluetooth wireless communication module, reads (NFC Reading) element and one first Bluetooth wireless communication module and be provided with a near field communication in the host computer of computer system.Near field communication read element is used to when near field communication label approaches or contacts with near field communication read element may be read near field communication label, sets up by this near field communication between host computer and electronic installation.
When user's wish by electronic installation wireless connections in the time that the host computer of Windows8 operating system is installed, user's electronic apparatus, make electronic installation close to host computer, and the near field communication read element in host computer detects near field communication label, now, near field communication read element transmits a Request Packet and gives near field communication label, make near field communication label export an electronic installation Identification Data according to Request Packet and give near field communication read element, wherein electronic installation Identification Data includes a frequently outer (Out of Band, OOB) data length, one bluetooth device address and one outer option data frequently.In the time that host computer receives electronic installation Identification Data, host computer can be picked out electronic installation and be shown that a line dialog box is in a display screen of computer system by bluetooth unit address, and wherein line dialog box shows the electronic installation title corresponding to electronic installation Identification Data.In the time that user judges this electronic installation title system corresponding to electronic installation, input one confirmation signal gives host computer.Next, host computer starts the second Bluetooth wireless communication module, make it pass through bluetooth unit address and wireless connections in the first Bluetooth wireless communication module, and set up the Bluetooth wireless communication between host computer and electronic installation.That is to say, computer system replaces the search process of Bluetooth wireless communication by near field communication technology, to shorten the tie-time of Bluetooth wireless communication.
But, near field communication technology in Windows8 operating system also has shortcoming, after blue teeth wireless between host computer and electronic installation has been connected, in the process of user's operating electronic devices, its electronic installation is during unintentionally close to host computer, near field communication read element in host computer detects near field communication label again, now, near field communication read element again transmits Request Packet and gives near field communication label, make near field communication label again export electronic installation Identification Data according to Request Packet and give near field communication read element.Again to carry out near field communication.That is to say, as long as electronic installation is close to host computer, no matter whether electronic installation completes with host computer wireless connections Windows8 operating system, it can carry out the near field communication between electronic installation and host computer repeatedly, now, due to the demonstration of line dialog box, it interrupts the operation of user for electronic installation by forcing, and causes the inconvenience in use.Therefore, need a kind of wireless connection method of forbidding the computer system and electronic installation and the computer system that repeat near field communication.
Summary of the invention
The object of the present invention is to provide a kind of forbid the repeating electronic installation of near field communication and the wireless connection method of computer system.
Another object of the present invention is to provide a kind of computer system of forbidding repeating near field communication.
In a preferred embodiment, the invention provides the wireless connection method of a kind of electronic installation and host computer, this electronic installation has a near field communication label, and this host computer has a near field communication read element, the method comprises the following steps:
This host computer judges whether this near field communication read element reads this near field communication label;
This host computer carries out a near field communication technology and sets up the wireless connections between this near field communication read element and this near field communication label, and judges whether this electronic installation of identification;
This host computer carries out a Bluetooth wireless technology and sets up the wireless connections between this electronic installation and this host computer; And
This near field communication label forbidden energy is interrupted the wireless connections between this near field communication label and this near field communication read element by this electronic installation.
In a preferred embodiment, the invention provides a kind of computer system is also provided, comprising:
One electronic installation, comprising:
One first Bluetooth wireless communication module, is arranged in this electronic installation;
One near field communication circuit, is arranged in this electronic installation, comprising:
One near field communication label, in order to export an electronic installation Identification Data; And
One cut-off circuit, is connected in this near field communication label, in order to by this near field communication label forbidden energy; And
One control module, is connected in this near field communication label and this cut-off circuit, in order to drive this first Bluetooth wireless communication module, or controls this cut-off circuit by this near field communication label forbidden energy; And
One host computer, comprising:
One near field communication read element, is arranged in this host computer or is connected in this host computer, while being used to read this near field communication label, receives this electronic installation Identification Data that comes from this near field communication label; And
One second Bluetooth wireless communication module, is arranged in this host computer, in order to according to this electronic installation Identification Data and wireless connections in this first Bluetooth wireless communication module.
Brief description of the drawings
Fig. 1 is the schematic appearance that existing computer system is connected in electronic installation.
Fig. 2 is the surface structure schematic diagram of computer system in a preferred embodiment of application the inventive method.
Fig. 3 is the block schematic diagram of computer system in a preferred embodiment of application the inventive method.
Fig. 4 is the surface structure schematic diagram at electronic installation another visual angle in a preferred embodiment of the computer system of application the inventive method.
Fig. 5 is the circuit diagram of near field communication circuit in a preferred embodiment of application the inventive method.
Fig. 6 is the wireless connection method of electronic installation of the present invention and the computer system block schematic diagram in a preferred embodiment.
Wherein, description of reference numerals is as follows:
1,30 electronic installation 2,3 computer systems
21,31 host computer 22,32 computer screens
21 Trackpad 31,41 first surveyed areas
211 connectivity port 221 forms
222 vernier 301 first Bluetooth wireless communication modules
302 near field communication circuit 303 power switches
304 pairing key 311 near field communication read elements
312 second Bluetooth wireless communication module 3021 near field communication labels
3022 cut-off circuit 3023 control modules
3022A diode 3022B on-off circuit
3022C reverser D electronic installation Identification Data
R Request Packet A1 shutdown signal
A2 output signal S1～S7 step
V1 forward bias voltage drop FD the 3rd stitch
Embodiment
In view of the defect of prior art, the invention provides a kind of electronic installation of prior art problem and wireless connection method of computer system of solving.First application is in the surface structure of the computer system of the inventive method.Please refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 is the surface structure schematic diagram of computer system in a preferred embodiment of application the inventive method, Fig. 3 is the block schematic diagram of computer system in a preferred embodiment of application the inventive method, and Fig. 4 is the surface structure schematic diagram at electronic installation another visual angle in a preferred embodiment of the computer system of application the inventive method.Computer system 3 comprises an electronic installation 30, a host computer 31 and a display screen 32, and electronic installation 30 comprises one first Bluetooth wireless communication module 301 and a near field communication circuit 302, a power supply source (not being shown in figure), a power switch 303 and a pairing key 304.The first Bluetooth wireless communication module 301 is arranged in electronic installation 30, and near field communication circuit 302 is also arranged in electronic installation 30.Power supply source is arranged in electronic installation 30, in order to provide an electric power to give the first Bluetooth wireless communication module 301 and near field communication circuit 302, power switch 303 is arranged at the bottom of electronic installation 30 and is connected near field communication circuit 302 and power supply source, in order to close power supply source and to close closing electronic device 30.Pairing key 304 is arranged at the bottom of electronic installation 30 and is connected in the first Bluetooth wireless communication module 301, in order to touched and drive this first Bluetooth wireless communication module 301.
Next please refer to Fig. 2 and Fig. 5, Fig. 5 is the near field communication circuit of the application the inventive method circuit diagram in a preferred embodiment.Near field communication circuit 302 comprises a near field communication label 3021, a cut-off circuit 3022 and a control module 3023, and near field communication label 3021 is arranged in electronic installation 30, in order to export an electronic installation Identification Data D.Cut-off circuit 3022 is connected near field communication label 3021, in order to by near field wireless communication tag 302 forbidden energy, and control module 3023 is connected near field communication label 3021 and cut-off circuit 3022, in order to drive the first Bluetooth wireless communication module 301, or control cut-off circuit 3022, make this near field communication label 302 forbidden energy.In this preferred embodiment, electronic installation Identification Data D comprises the outer data length of a frequency, a bluetooth device address and outer option data frequently, and control module 3023 is arranged in electronic installation 30 with a firmware (Firmware) form.Element and operation situation as for cut-off circuit 3022 will be in describing in detail after a while.
In host computer 31, host computer 31 is connected in display screen 32, host computer 31 comprises a near field communication read element 311 and one second Bluetooth wireless communication module 312, near field communication read element 311 is arranged in host computer 31, while being used to read near field communication label 302, reception comes from the electronic installation Identification Data D of near field communication label 302, and the second Bluetooth wireless communication module 312 is arranged in host computer 31, in order to according to electronic installation Identification Data D and wireless connections in the first Bluetooth wireless communication module 301.In this preferred embodiment, host computer 31 and display screen 32 common composition one notebook computers, and electronic installation 30 is a wireless mouse device.And in another preferred embodiment, host computer and display screen also can form a smart mobile phone or a panel computer jointly, near field communication read element also can adopt in external mode and be connected in host computer, and electronic installation also can adopt Wireless Keyboard device etc.
Next the wireless connection method of electronic installation of the present invention and computer system is described.Refer to Fig. 6, the block schematic diagram of its wireless connection method for electronic installation of the present invention and computer system in a preferred embodiment.The wireless connection method of electronic installation and computer system comprises the following steps: step S1: host computer 31 judges whether near field communication read element 311 reads near field communication label 301, step S2: host computer 31 is set up the wireless connections of 3021, near field communication read element 311 and near field communication label by a near field communication technology, step S3: near field communication read element 311 transmits a Request Packet R and gives near field communication label 3021, step S4: near field communication label 3021 judges whether to receive Request Packet R, step S5: near field communication label 3021 transport electronic device Identification Data D give near field communication read element 311, step S6: host computer 31 is according to electronic installation Identification Data D and identification electronic installation 30, and carry out a Bluetooth wireless technology, to set up the wireless connections of 31 of electronic installation 30 and host computers, and step S7: electronic installation 30 interrupts near field wireless communication tag 3021 forbidden energy the wireless connections of 302 of near field communication read element 311 and near field communication.
In the step S1 of the wireless connection method of electronic installation of the present invention and computer system, in the time that host computer 31 judges that near field communication read element 311 reads near field communication label 301, carry out step S2, and in the time that host computer 31 judges that near field communication read element 311 does not read near field communication label 301, again carry out step S1.In step S4, in the time that near field communication label 32 judgement receives Request Packet R, carry out step S5, and judge while not receiving Request Packet R when near field communication label 32, after through one section of Preset Time, again carry out step S4.
Next Circnit Layout and the operation situation of near field communication circuit 302 are described.Please again consult Fig. 5, near field communication circuit 302, cut-off circuit 3022 comprises a diode 3022A, an on-off circuit 3022B and a reverser 3022C, and diode 3022A is connected near field communication label 3021, and it provides a forward bias voltage drop V1.On-off circuit 3022B is connected in diode 3022A and control module 3023, and short circuit and ground connection, make near field communication label 3021 ground connection and be disabled when receiving a shutdown signal A1 who comes from control module 3023.Reverser 3022C is connected in diode 3022A and control module 3023, when being used to an output signal A2 that near field communication label 3021 exports and being greater than forward bias voltage drop V1, converted output signal A2 is a low logic level signal, or forward bias voltage drop V1 is converted to a high logic level signal, and transmit corresponding low logic level signal or high logic level signal to control module 3023.Wherein, in the time that control module 3023 receives low logic level signal, drive the first Bluetooth wireless communication module 301, and produce shutdown signal A1 and give on-off circuit 3022B, make on-off circuit 3022B short circuit and ground connection and by these near field communication label 3021 forbidden energy.And in the time that control module 3023 receives high logic level signal, 3021 normal operations of near field communication label.
In another preferred embodiment, cut-off circuit only comprises a diode and an on-off circuit, and is not provided with a reverser, and control module carries out corresponding setting.That is to say, when an output signal of exporting when near field communication label is greater than forward bias voltage drop, its output signal is a high logic level signal, and be transferred to control module, in the time that control module receives this high logic level signal, drive the first Bluetooth wireless communication module, and produce shutdown signal and give on-off circuit, make on-off circuit short circuit and ground connection and by this near field communication label forbidden energy.
Next the operation situation of the wireless connection method of electronic installation of the present invention and computer system is described.Please again consult Fig. 2, Fig. 3, Fig. 4 and Fig. 6, first, computer system 3 is in an original state, and near field communication and Bluetooth wireless communication that its original state is between host computer 31 and electronic installation 30 are not set up.Now, host computer 31 operates and judges whether near field communication read element 311 reads near field communication label 3021 (that is step S1).Because electronic installation 30 is not yet close to host computer 31, therefore the near field communication read element 311 in host computer 31 does not read near field communication label 3021, and host computer 31 judges whether near field communication read element 311 reads near field communication label 3021 again.
In the time that user's wish is utilized electronic installation 30 operating computer main frame 31, user's electronic apparatus 30, make electronic installation 30 close to host computer 31, now, host computer 31 judges whether near field communication read element 311 reads near field communication label 3021 (that is step S1) again.Because electronic installation 30 is enough to make near field communication read element 311 to read near field communication label 3021 close to the degree of host computer 31, therefore, host computer 31 is set up the wireless connections (that is step S2) of 3021, near field communication read element 311 and near field communication label by near field communication technology.
After the wireless connections of 3021, near field communication read element 311 and near field communication label are set up, near field communication read element 311 transmits Request Packet R and gives near field communication label 3021 (that is step S3), and near field communication label 3021 judges whether to receive the Request Packet R (that is step S4) that comes near field communication read element 311.In the time that 32 judgements of near field communication label receive Request Packet R, near field communication label 3021 transport electronic device Identification Data D give near field communication read element 311 (that is step S5), and judge while not receiving Request Packet R when near field communication label 3021, near field communication label 3021 does not operate and transport electronic device Identification Data D not, when near field communication read element 311 does not receive electronic installation Identification Data D in Preset Time, 311 of near field communication read elements judge that near field communication label 32 judges and do not receive Request Packet R, therefore transmitting Request Packet R again, near field communication read element 311 gives near field communication label 3021, that is again carry out step S3.
After near field communication read element 311 receives electronic installation Identification Data D, host computer 31 is able to identification electronic installation 30 according to the host computer 31 in electronic installation Identification Data D according to electronic installation Identification Data D, and host computer 31 drives the second Bluetooth wireless communication module 312 and utilizes Bluetooth wireless technology wireless connections in the first Bluetooth wireless communication module 301 of electronic installation 30, to set up the wireless connections (that is step S6) of 31 of electronic installation 30 and host computers.Next, in electronic installation 30, in response to the wireless connections between the first Bluetooth wireless communication module 301 and the second Bluetooth wireless communication module 312, electronic installation 30 interrupts near field wireless communication tag 3021 forbidden energy by cut-off circuit 3022 wireless connections (that is step S7) of 302 of near field communication read element 311 and near field communication.That is to say between electronic installation 30 and host computer 31, only have the wireless connections between the first Bluetooth wireless communication module 301 and the second Bluetooth wireless communication module 312 still to maintain.Therefore, user is operating electronic devices 30 or electronic apparatus 30 arbitrarily, even if electronic installation 30 is again close to host computer 31, can do not read by near field communication read element 311 because near field communication label 3021 is disabled, also can not set up the wireless connections of 3021, near field communication read element 311 and near field communication label.
Need special instruction, host computer 31 is according to electronic installation Identification Data D and identification electronic installation 30, and after identification electronic installation 30, drives the second Bluetooth wireless communication module 312.The driven process of the first Bluetooth wireless communication module 301 as for electronic installation 30 is as follows.Please again consult Fig. 4, in the time that near field communication label 3021 transport electronic device Identification Data D give near field communication read element 311, in near field communication label 3021 1 the 3rd stitch FD produces output signal A2, and wherein output signal A2 is high logic level signal.Therefore, output signal A2 is greater than the forward bias voltage drop V1 that diode 3022A provides, and makes output signal A2 by reverser 3022C.Next, the output signal A2 of high logic level signal is reversed device 3022C and is converted to the output signal A2 of low logic level signal, and the output signal A2 of low logic level signal is transferred to control module 3023.Now, the control module 3023 that receives low logic level signal drives the first Bluetooth wireless communication module 301, and produce shutdown signal A1 and give on-off circuit 3022B, make on-off circuit 3022B short circuit and ground connection, that is to say, the 3rd stitch FD ground connection of near field communication label 3021, therefore this near field communication label 3021 is disabled and cannot be read by near field communication read element 311.
Next, when near field communication label 3021 has been disabled and cannot have operated, and when user's wish is set up electronic installation 30 and is connected with the blue teeth wireless between another host computer (not being shown in figure), there are two modes can set up this both blue teeth wireless and connect.The first, user is first closed the power supply source in closing electronic device 30 by the power switch 303 of operating electronic devices 30, and control module 3023 is closed.Afterwards, user opens power supply source by power switch 303 again, control module 3023 is started again, and near field communication label 3021 is also enabled, now, in situation in electronic installation 30 close to another host computer, another near field communication read element of another host computer may be read near field communication label 3021, and set up the near field wireless connections between another near field communication read element and near field communication label 3021, simultaneously, the first Bluetooth wireless communication module 301 of the Bluetooth wireless communication module of another host computer and electronic installation 30 is driven, and set up this Bluetooth wireless communication between the two.
Second, user also can be by pressing the pairing key 304 of operating electronic devices 30 and the first Bluetooth wireless communication module 301 of drive electronics 30, make the first Bluetooth wireless communication module 301 search the Bluetooth wireless communication module of another host computer, and carry out Bluetooth wireless technology.That is to say, it utilizes traditional Bluetooth wireless technology, and can expend longer search time.But it can, in the time of near field communication read element 311 and near field communication label 3021 fault, guarantee that electronic installation 30 still can carry out Bluetooth wireless technology with host computer 31.
According to above-mentioned known, after the computer system of the wireless connection method of electronic installation of the present invention and host computer and application this method can the near field communication between near field communication read element and near field communication label completes, near field wireless communication tag forbidden energy can be stopped near field communication read element and repeatedly read near field communication label, with avoidance breakout user for the operation of electronic installation and convenient user operation.
The foregoing is only preferred embodiment of the present invention, not in order to limit claim of the present invention, therefore all other do not depart from the equivalence that completes under disclosed spirit and changes or modify, and all should be contained in the applying for a patent within the scope of claim of this case.
Claims (14)
1. a wireless connection method for electronic installation and host computer, this electronic installation has a near field communication label, and this host computer has a near field communication read element, the method comprises the following steps:
This host computer judges whether this near field communication read element reads this near field communication label;
This host computer is set up the wireless connections between this near field communication read element and this near field communication label by near field communication, and judges whether this electronic installation of identification;
This host computer is set up the wireless connections between this electronic installation and this host computer by Bluetooth wireless communication; And
This near field communication label forbidden energy is interrupted the wireless connections between this near field communication label and this near field communication read element by this electronic installation.
2. the wireless connection method of electronic installation as claimed in claim 1 and host computer, wherein, in the time that this host computer judges that this near field communication read element reads this near field communication label, this host computer is set up the wireless connections between this near field communication read element and this near field communication by this near field communication; And in the time that this host computer judges that this near field communication read element does not read this near field communication label, this host computer judges whether this near field communication read element reads this near field communication label again.
3. the wireless connection method of electronic installation as claimed in claim 1 and host computer, wherein this host computer judges whether this electronic installation of identification, comprises the following steps:
This near field communication read element transmits a Request Packet and gives this near field communication label;
This near field communication label judges whether to receive this Request Packet; And
In the time that this near field communication label judgement receives this Request Packet, this near field communication label transmits an electronic installation Identification Data and gives this near field communication read element, makes this host computer according to this electronic installation Identification Data and this electronic installation of identification.
4. the wireless connection method of electronic installation as claimed in claim 3 and host computer, wherein this host computer carries out this Bluetooth wireless communication according to this electronic installation Identification Data, to set up the wireless connections between this electronic installation and this host computer.
5. the wireless connection method of electronic installation as claimed in claim 3 and host computer, wherein this electronic installation is by this near field communication label ground connection is implemented by this near field communication label forbidden energy, radio communication between this near field communication read element and this near field communication label is interrupted, and this near field communication read element does not transmit this Request Packet and give this near field communication label.
6. the wireless connection method of electronic installation as claimed in claim 1 and host computer, wherein this electronic installation is by this near field communication label ground connection is implemented by this near field communication label forbidden energy, and the radio communication between this near field communication read element and this near field communication label is interrupted.
7. a computer system, comprising:
One electronic installation, comprising:
One first Bluetooth wireless communication module, is arranged in this electronic installation;
One near field communication circuit, is arranged in this electronic installation, comprising:
One near field communication label, in order to export an electronic installation Identification Data; And
One cut-off circuit, is connected in this near field communication label, in order to by this near field communication label forbidden energy; And
One control module, is connected in this near field communication label and this cut-off circuit, in order to drive this first Bluetooth wireless communication module, or controls this cut-off circuit by this near field communication label forbidden energy; And
One host computer, comprising:
One near field communication read element, is arranged in this host computer or is connected in this host computer, while being used to read this near field communication label, receives this electronic installation Identification Data that comes from this near field communication label; And
One second Bluetooth wireless communication module, is arranged in this host computer, in order to according to this electronic installation Identification Data and wireless connections in this first Bluetooth wireless communication module.
8. computer system as claimed in claim 7, wherein in the time that this near field communication read element reads this near field communication label, this near field communication read element transmits a Request Packet and gives this near field communication label, makes this near field communication label export this electronic installation Identification Data according to this Request Packet and gives this near field communication read element.
9. computer system as claimed in claim 7, wherein this cut-off circuit comprises:
One diode, is connected in this near field communication label, in order to a forward bias voltage drop to be provided;
One on-off circuit, is connected in this diode and this control module, and short circuit and ground connection, make this near field communication label ground connection and be disabled when receiving a shutdown signal of this control module; And
One reverser, be connected in this diode and this control module, when being used to an output signal that this near field communication label exports and being greater than this forward bias voltage drop, change this output signal into a low logic level signal, and transmit this low logic level signal to this control module.
10. computer system as claimed in claim 9, wherein, in the time that this control module receives this low logic level signal, drives this first Bluetooth wireless communication module, and produces that this shutdown signal is given this on-off circuit and by this near field communication label forbidden energy.
11. computer systems as claimed in claim 7, wherein this cut-off circuit comprises:
One diode, is connected in this near field communication label, in order to a forward bias voltage drop to be provided; And
One on-off circuit, is connected in this diode and this control module, and short circuit and ground connection, make this near field communication label ground connection and be disabled when receiving a shutdown signal of this control module; When an output signal of wherein exporting when this near field communication label is greater than this forward bias voltage drop, this output signal is that a high logic level signal and this high logic level signal are transferred to this control module.
12. computer systems as claimed in claim 11, wherein, in the time that this control module receives this high logic level signal, drive this first Bluetooth wireless communication module, and produce that this shutdown signal is given this on-off circuit and by this near field communication label forbidden energy.
13. computer systems as claimed in claim 7, wherein this electronic installation also comprises a pairing key, be connected in this first Bluetooth wireless communication module, in order to touched and drive this first Bluetooth wireless communication module, and set up the wireless connections of this first Bluetooth wireless communication module and this second Bluetooth wireless communication intermodule.
14. computer systems as claimed in claim 7, wherein this electronic installation also comprises a power switch, is connected in this near field communication circuit and a power supply source, in order to close this power supply source and to close this electronic installation; Wherein, in the time that pent this power supply source is unlocked, this near field communication label being disabled is enabled again.
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| US20120295541A1 (en) * | 2011-05-18 | 2012-11-22 | Taejung Kwon | Mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535495A (en) * | 2018-05-25 | 2019-12-03 | 瑞昱半导体股份有限公司 | Bluetooth communication system and relevant transmission end blue-tooth device and receiving end blue-tooth device |
| CN110535495B (en) * | 2018-05-25 | 2021-11-26 | 瑞昱半导体股份有限公司 | Bluetooth communication system and related transmitting end Bluetooth device and receiving end Bluetooth device |
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