CN1883123A - Method and device for identifying and pairing bluetooth devices - Google Patents
Method and device for identifying and pairing bluetooth devices Download PDFInfo
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- CN1883123A CN1883123A CNA2004800062252A CN200480006225A CN1883123A CN 1883123 A CN1883123 A CN 1883123A CN A2004800062252 A CNA2004800062252 A CN A2004800062252A CN 200480006225 A CN200480006225 A CN 200480006225A CN 1883123 A CN1883123 A CN 1883123A
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Abstract
A method of revealing the device identity of a recipient Bluetooth device (1). When the recipient device is turned on, it displays the device identity. A user enters the device identity of the recipient device into a sending Bluetooth device in order to establish the initial communication link between the sending and recipient devices. Once the initial communication link is established, the devices are paired. It is no longer necessary to enter the device identity of the recipient device into the sending device in order to establish further communication link. Furthermore, if the recipient device has already been turned on when the user wants to establish the initial commlnication link, the device identity is displayed when the user sends a message or signal from the sending device to the recipient device.
Description
Invention field
Present invention relates in general to so-called Bluetooth communication system, more specifically, the present invention relates to another bluetooth devices the time, discern this bluetooth equipment in the radio frequency work of the 2.45GHz left and right sides.
Background of invention
Bluetooth system provides communication channel by short-range radio link between two electronic equipments.Especially, work near the radio-frequency band the 2.45GHz of Bluetooth system in industrial science that need not to permit and medical science (ISM) frequency range.The predetermined cable that will substitute between portable and/or the stationary electronic devices of bluetooth radio link.Portable equipment comprise mobile phone, communicator, audio headset and transmitter, laptop computer, other based on GEOS or based on the equipment of palm OS and the equipment that has different operating system.
The bluetooth operating frequency all is available in the whole world, but the allowed bandwidth of the bluetooth frequency band between each country and available RF channel can be different.The bluetooth operating frequency in the whole world is all in the 2400MHz-2497MHz scope.At US and European, the bandwidth of available band is 83.7MHz, and this frequency band is divided into 79 RF channels of 1MHz at interval.Bluetooth network arrangements can be point-to-point also can be point-to-multipoint, so that the connection link to be provided between a plurality of electronic equipments.2-8 equipment can be operably connected in the piconet, wherein at designated duration, a filling apparatus is worked as main equipment, and miscellaneous equipment serves as slave unit.Several piconets can form a bigger communication network, are called decentralized network (scatternet), and each piconet keeps its independence.The baseband protocol of Bluetooth system has made up circuit switching and packet switching.Circuit switching both can be synchronous also can be asynchronous.A physical channel can be supported nearly three synchrodatas (logic) channel, perhaps a synchronous and asynchronous data channel.Each synchronizing channel can be supported the 64kb/s transmission rate, and asynchronous channel transmission rate in one direction is 57.6kb/s up to 721kb/s and transmission rate in the opposite direction.If the link symmetry, asynchronous channel can be supported the transmission rate of 432.6kb/s so.Typical Bluetooth system comprises radio link, is used for the link control unit and the supporter of link management and host terminal interface function.The Bluetooth link controller is finished baseband protocol and other rudimentary Route Selection.The link layer message that is used for link establishment and control defines in link manager protocol (LMP).Radio noise disturbs and the difficult problem of signal fadeout in order to overcome, and current use frequency hopping makes connection healthy and strong (robust) more.
Current, the pseudorandom hopping sequences that runs through bluetooth bandwidth utilizes each channel in 79 RF channels.This hopping sequences is unique for each piconet, and determines by the bluetooth device address of main equipment, and the clock of main equipment is used for determining the phase place of hopping sequences.The time slot that the channel branch is grown into 625 μ s, and according to main equipment clock numbering, wherein each time slot is corresponding with a RF frequency hopping, wherein each continuous saltus step is corresponding with different RF frequency hoppings.Specified hop rate was 1600 jumping/seconds.All the bluetooth equipment time synchronized and the saltus step that add piconet are synchronized to channel.The time-gap number scope is from 0 to 2
27-1 and with 2
27Long loop cycle.In time slot, main equipment and slave unit can be launched grouping.Can expand to 5 time slots by the grouping of main equipment emission or the grouping of launching by slave unit.The RF frequency hopping is maintained fixed during transmitted in packets.
When a bluetooth equipment and other-individual bluetooth devices, one is transmitting apparatus and another is a receiving equipment.With transmitting apparatus and receiving equipment pairing the time, then need to discern transmitting apparatus.This is necessary very much, because if do not have such identification and pairing, so might be accidental transmitting apparatus among other is connected to next-door neighbor's receiving equipment with certain, it is just in time behind the wall of dwelling house.For example, if transmitting apparatus is used to send images to bluetooth image viewing device (viewer), do not wish that then image occurs by accident on neighbours' screen.
Usually, when the terminal use wished to set up communication between transmission bluetooth equipment and reception bluetooth equipment, the user should be typed into transmitting apparatus with the identity of receiving equipment.In above-mentioned illustrational example, only after the terminal use keys in image transmission apparatus with the identification code of his or she image-watching device, could set up the communication between image transmitter and the image-watching device.Because each image-watching device all has its unique identification code, be extremely impossible so the terminal use sends to his or her image neighbours' image-watching device accidentally.Transmitting apparatus in the above-mentioned example can be a mobile phone, and the image-watching device can be TVDongle.
In having the family of a plurality of bluetooth equipments, the terminal use of equipment must know can be maybe with each the equipment mark sign indicating number as receiving equipment.For example, described identification code can be a last N numeral of the sequence number of bluetooth equipment.Because practical reason, described sequence number can the label in battery case on, perhaps on the label of device bottom.In order to find out sequence number, the terminal use may have to battery is taken out from battery case or the heavy equipment of having to overturn.
Therefore provide-kind of method and apparatus, no matter when be used for,, just represent the identification code of bluetooth equipment as long as the user wants to visit bluetooth equipment, and do not need the terminal use to remember this identification code or find described code by a plurality of unnecessary steps, be very favorable and cater to the need.
Summary of the invention
The invention provides a kind of method and apparatus, be used to represent the equipment identities that receives bluetooth equipment and use equipment identities between receiving equipment and transmission bluetooth equipment, to set up initial communication link to allow the user.
According to a first aspect of the invention, provide the method for the identity that communication equipment is provided in wireless communication system, be used between this communication equipment and another communication equipment, setting up communication link based on the identity of this communication equipment.This method comprises:
In response to the action on the communication equipment, in communication equipment, provide signal; With
In response to this signal, with the form output identity that can notice on the sense organ, so that allow the user to use the identity of output to set up communication link.
According to the present invention, described output step is included in the visible message that shows the indication identity on the display device, perhaps the message of hearing of declaration indication identity on audible device.Display device can be display screen on the communication equipment or the display screen that is operably connected to communication equipment.
According to the present invention, described action can be that communication equipment is powered up, and this action also can be to send signal of communication from another communication equipment to described communication equipment.
According to the present invention, communication link comprises the initial communication link that is used for this communication equipment and the pairing of another communication equipment, wherein as long as communication link is an initial communication link, carries out described output step so.
According to a second aspect of the invention, provide a kind of method of setting up initial communication link between first communication equipment and second communication equipment, the-communication equipment has equipment identities.The method is characterized in that,
In response to the action on first communication equipment, with the form output equipment identity that can notice on the sense organ; With
The information of the identity of indication output is provided to second communication equipment.
According to the present invention, carry out described information by the user step is provided.
According to a third aspect of the present invention, provide-kind had the communication equipment of equipment identities in wireless communication system, this wireless communication system comprises at least in addition-individual communication equipment, is used for and this communication apparatus communication.Described communication equipment is characterised in that,
Memory device is used for preserving the data of indicating equipment identity; With
Output equipment, it is operably connected to memory device, be used for providing the information of indicating equipment identity, so that allow the user to use the information that is provided between this communication equipment and another communication equipment, to set up initial communication link with the form that can notice on the sense organ.
According to the present invention, this communication equipment comprises display device, and this display device is operably connected to output equipment, is used for showing the visible message of indicating equipment identity.Replacedly, described output equipment is operably connected to display device, is used for showing on display device the visible message of indicating equipment identity.
After 1a-2b read specification in conjunction with the accompanying drawings, it is obvious that the present invention will become.
Description of drawings
Fig. 1 a is the schematically showing of Bluetooth communication system that diagram comprises transmitting apparatus and receiving equipment, and wherein receiving equipment has the screen that is used for showing its identification code.
Fig. 1 b is the schematically showing of Bluetooth communication system that diagram comprises transmitting apparatus and receiving equipment, and wherein receiving equipment is not used for showing the screen of its identification code.
Fig. 2 a is schematically showing of the diagram preferred embodiment for the present invention.
Fig. 2 b is that diagram the present invention replaces schematically showing of execution mode.
Detailed Description Of The Invention
Fig. 1 a is shown in schematically showing of receiving equipment 20 in the bluetooth communication network 10 and transmitting apparatus 80.As shown in the figure, transmitting apparatus 80 is mobile phones, and receiving equipment 20 is blue tooth television machine (TV) (perhaps bluetooth picture frame, media frame, image display, image receiving apparatus or the like).Mobile phone 80 can send images to TV 20 and show.When the terminal use wished to set up communication link between receiving equipment 20 and transmitting apparatus 80, the power supply of two equipment all should be opened.When these two equipment match when communicating by letter for the first time, the identity of receiving equipment 20 must be keyed in transmitting apparatus 80.According to preferred implementation of the present invention, when the power supply opening of receiving equipment 20, the identification code 40 of receiving equipment 20 shows a period of time at least automatically on screen 22, this time long enough so that the terminal use see and use this identification code 40.For the communication between starting device 20 and 80, the terminal use then keys in transmitting apparatus 80 with identification code 40.Like this, equipment 20 and 80 is just matched.Automatically show that by identification code 40 terminal use can be easy to find out the identification code of receiving equipment.In the case, the identification code 40 of receiving equipment 20 is as the device address.After transmitting apparatus 80 matches with receiving equipment 20, preferably in the memory 82 of transmitting apparatus 80, generate link key.Equally, in the memory 58 of receiving equipment 20, generate link key (seeing Fig. 2 a and Fig. 2 b).For example, the link key in the memory 82 of transmitting apparatus 80 can be the Bluetooth address of transmitting apparatus 80 and the identification code 40 of receiving equipment 20.Like this, when receiving equipment 20 with transmitting apparatus is after 80s when linking once more, transmitting apparatus 80 might be taken receiving equipment 20 as authorized recipient by remembeing pairing early.
Should be pointed out that and to activate the power supply that on/off switch 26 is at a distance opened receiving equipment 20 by manual Switching power on switch 24 or by the (not shown) that uses a teleswitch.Though when receiving equipment 20 is opened, represent identification code 40 and be preferred, also may 28 represent identification code 40 by touching the button.In that respect, whenever as long as the terminal use takes an action on receiving equipment 20, described action has produced the signal that causes identification code 40 to represent, and just represents identification code 40 to the terminal use.In addition, if when the terminal use wants to set up communication between receiving equipment 20 and another transmitting apparatus 80 ', the power supply of receiving equipment 20 is opened, if transmitting apparatus 80 ' does not also have and receiving equipment 20 pairings so, then the identification code 40 of receiving equipment 20 represents automatically.Therefore, the terminal use needn't close receiving equipment 20 in order to see identification code 40, and opens receiving equipment 20 afterwards again.Yet, if transmitting apparatus 80 ' before with receiving equipment 20 pairing, do not need unroll and view a scroll painting its identification code 40 of receiving equipment 20.
Should be pointed out that some bluetooth receiving equipments may not have screen to come display identification code.For example, be connected to the bluetooth TV Dongle or the image receiver of non-blue tooth television machine, can be used for showing to television set from bluetooth transmitting apparatus reception image and with the image conveyer of receiving.As shown in Fig. 1 b, receiving equipment 20 ' does not have screen, but it can use the screen 32 of the television set 30 of connection to come display identification code 40.
Fig. 2 a is that diagram identification code according to the present invention represents schematically showing of mechanism.As shown in Fig. 2 a, receiving equipment 20 has power supply (perhaps-individual or a plurality of batteries, perhaps charger) 50, and this power supply can be opened by hand switch 24 or remote control switch 26.When power supply opening, it supplies with signal generator 52 with signal 130.Signal generator 52 is supplied with display driver 56 with signal 140.Receiving equipment 20 has the electronically readable code that storage device 54 is preserved the identification code 40 of indication receiving equipment.As the response to signal 140, display driver 56 reads identification code and generates numerical data 150 and is presented on the screen 22 from storage device 54.Receiving equipment 20 preferably after matching with transmitting apparatus, generates link key in its memory 58.Like this, when the transmitting apparatus that has matched was want with receiving equipment 20 links afterwards, receiving equipment 20 no longer showed its identification code 40.If receiving equipment is that (Fig. 1 a) or be connected to the bluetooth image receiver (Fig. 1 b) of the non-bluetooth equipment that has image display screen so can display identification code 40 for blue tooth television machine with image display screen.Yet,, might on receiving equipment, be equipped with a small screen (for example, 8 sections aplhanumeric visual displays) and come display identification code if receiving equipment 20 does not have such display screen or unconnected with screen.Replacedly, identification code 40 can represent by loud speaker 60 as sound 62 as shown in Fig. 2 b.As shown in Fig. 2 b, signal 140 is supplied with speech synthesizer 66, it is by loud speaker 60 one or many announcement identification code.If the terminal use has missed this announcement, he or she can touch the button and 28 listen to signal 140 again.
As mentioned above, in initial session, after with the identification code of receiving equipment input transmitting apparatus, can set up communication link between these two equipment based on relevant link key.Because the link key of the identification code of indication receiving equipment is kept in the transmitting apparatus, in session in the future, needn't import the identification code of identical receiving equipment.Can programme automatically to receiving equipment and receive all transmitted messages or image from the transmitting apparatus that once matches.Yet when a new transmitting apparatus attempts to set up communication link with receiving equipment, receiving equipment will represent identification code to allow the family with the new transmitting apparatus of described code input.
After initial pairing, receiving equipment 20 can be found out the device address of transmitting apparatus 80.Under the sort of situation, if desired, equipment 20 and 80 role can put upside down.
As mentioned above, each bluetooth equipment has storage device and preserves the one or more link keys that are associated with other bluetooth equipment, described other bluetooth equipment in the past with the pairing of this bluetooth equipment.For example, can preserve and 10 link keys of being associated of paired devices.If match, so, for example, can delete the identification code of paired device according to the principle of first-in first-out with more equipment.
Generally speaking, the invention provides-kind in response to the action of terminal use on equipment, represent the method and apparatus of the identification code of Wireless Telecom Equipment with the form that can notice on the sense organ.For example, the form that can notice on this sense organ can be the demonstration on display unit, or the declaration on loud speaker.Described action can be a power supply of opening equipment, or presses certain button on the equipment.
The present invention is applicable to Bluetooth system, and other local wireless connection carrier.For example, described transmitting apparatus can be portable terminal, image acquisition equipment image storage apparatus.For example, receiving equipment can be image-watching device or image receiver.Yet described transmitting apparatus can be SoundRec or storage system, and described receiving equipment can be a sonification system.
Therefore, though described the present invention, it should be understood by one skilled in the art that and to make various changes, omission and the variation on aforesaid and other the pro forma and details and do not depart from the scope of the present invention with reference to its preferred implementation.
Claims (26)
1. a method that represents the identity of communication equipment in wireless communication system is used for setting up communication link based on the identity of this communication equipment between this communication equipment and another communication equipment, and described method is characterised in that:
In response to the action on the communication equipment, in communication equipment, provide signal; With
In response to this signal, with the form that can notice on sense organ output identity, so that the identity of this output can be used for setting up communication link.
2. the described method of claim 1 is characterized in that, described action comprises communication equipment is powered up.
3. the described method of claim 1 is characterized in that, described communication equipment comprises display device, and described output is included in the visible message that shows the indication identity on the display device.
4. the described method of claim 1, it is characterized in that: described communication equipment is operably connected to display device, and described output comprise will the indication identity information send to display device so that allow display device to show the visible message of this information of indication.
5. the described method of claim 1 is characterized in that, described communication equipment has comprised audible device, and described output is included in the message of hearing of declaration indication identity on the audible device.
6. the described method of claim 1 is characterized in that, described action comprises from described another communication equipment transmission signal of communication to described communication equipment.
7. the described method of claim 1 is characterized in that, described communication equipment and another communication equipment are bluetooth equipments.
8. the described method of claim 1 is characterized in that, described communication equipment comprises a bluetooth image receiver.
9. the described method of claim 1 is characterized in that, described communication equipment comprises a blue tooth television machine.
10. the described method of claim 5 is characterized in that, communication link comprises the initial communication link that is used for communication equipment and the pairing of another communication equipment, wherein as long as communication link is an initial communication link, carries out described output so.
11. a method of setting up initial communication link between first communication equipment and second communication equipment, first communication equipment has equipment identities, and described method is characterised in that:
In response to the action on first communication equipment, with the form that can notice on the sense organ export this equipment identities and
The information of this output identity of indication is provided to second communication equipment.
12. the described method of claim 11 is characterized in that, described action comprises first communication equipment is powered up.
13. the described method of claim 11 is characterized in that, described action comprises from second communication equipment and transmits a signal to first communication equipment.
14. the described method of claim 11 is characterized in that, carrying out described information by the user provides.
15. the described method of claim 11 is characterized in that first communication equipment comprises the image-watching device.
16. the described method of claim 11 is characterized in that first communication equipment comprises image receiver.
17. the described method of claim 11 is characterized in that first communication equipment comprises the blue tooth television machine.
18. the described method of claim 11 is characterized in that first communication equipment comprises the bluetooth image display.
19. the described method of claim 11 is characterized in that, first communication equipment comprises the bluetooth image receiver that is operably connected to image display.
20. the described method of claim 11 is characterized in that second communication equipment comprises portable terminal.
21. a communication equipment that has equipment identities in wireless communication system, this wireless communication system comprise that another communication equipment is used for and this communication apparatus communication at least, described communication equipment is characterised in that:
Memory device is used for preserving the data of indicating equipment identity; With
Output equipment, be operably connected to this memory device, provide the information of indicating equipment identity with the form that can notice on the sense organ, so that allow the user to use the information that is provided between this communication equipment and this another communication equipment, to set up initial communication link.
22. the described communication equipment of claim 21, its feature also are, are operably connected to the display device of output equipment, are used for showing the visible message of indicating equipment identity.
23. the described communication equipment of claim 21 is characterized in that described output equipment is operably connected to display device, is used for showing on display device the visible message of indicating equipment identity.
24. the described communication equipment of claim 21 comprises the image-watching device.
25. the described communication equipment of claim 21 comprises image receiver.
26. the described communication equipment of claim 21 comprises the bluetooth image receiver that is operably connected to non-bluetooth image display.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45342403P | 2003-03-07 | 2003-03-07 | |
| US60/453,424 | 2003-03-07 | ||
| US10/762,770 | 2004-01-21 |
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| CN1883123A true CN1883123A (en) | 2006-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800062252A Pending CN1883123A (en) | 2003-03-07 | 2004-02-25 | Method and device for identifying and pairing bluetooth devices |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238270A (en) * | 2010-04-22 | 2011-11-09 | 金宝电子工业股份有限公司 | Identification method of Bluetooth device and mobile phone using the same |
| CN102594554A (en) * | 2011-01-04 | 2012-07-18 | 原相科技股份有限公司 | Bluetooth slave device and relevant authentication method thereof |
| CN103348762A (en) * | 2011-02-08 | 2013-10-09 | 惠普发展公司，有限责任合伙企业 | System and method for linking and sharing resources amongst devices |
| CN103533543A (en) * | 2013-10-08 | 2014-01-22 | 深圳Tcl新技术有限公司 | Terminal pairing method and device on basis of near field communication |
| CN103731741A (en) * | 2012-10-16 | 2014-04-16 | 鸿富锦精密工业（深圳）有限公司 | Interactive display system |
| CN103975612A (en) * | 2011-12-07 | 2014-08-06 | 诺基亚公司 | Close proximity based event triggering |
| CN104581883A (en) * | 2014-11-21 | 2015-04-29 | 广东瑞德智能科技股份有限公司 | Wireless data communication method for intelligent household appliance |
| CN105144130A (en) * | 2013-03-15 | 2015-12-09 | 英特尔公司 | Mobile computing device technology and systems and methods utilizing the same |
| CN105575086A (en) * | 2014-10-30 | 2016-05-11 | 三星电子株式会社 | Display apparatus, controlling method and display system |
| CN107730859A (en) * | 2017-09-22 | 2018-02-23 | Tcl通力电子（惠州）有限公司 | Wireless device pairing method, device and storage medium |
-
2004
- 2004-02-25 CN CNA2004800062252A patent/CN1883123A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238270A (en) * | 2010-04-22 | 2011-11-09 | 金宝电子工业股份有限公司 | Identification method of Bluetooth device and mobile phone using the same |
| CN102594554A (en) * | 2011-01-04 | 2012-07-18 | 原相科技股份有限公司 | Bluetooth slave device and relevant authentication method thereof |
| CN103348762B (en) * | 2011-02-08 | 2017-06-09 | 高通公司 | For linking the system and method with shared resource between devices |
| CN103348762A (en) * | 2011-02-08 | 2013-10-09 | 惠普发展公司，有限责任合伙企业 | System and method for linking and sharing resources amongst devices |
| CN103975612A (en) * | 2011-12-07 | 2014-08-06 | 诺基亚公司 | Close proximity based event triggering |
| CN103731741A (en) * | 2012-10-16 | 2014-04-16 | 鸿富锦精密工业（深圳）有限公司 | Interactive display system |
| CN105144130B (en) * | 2013-03-15 | 2019-01-29 | 英特尔公司 | Mobile computing device technology and the system and method for using it |
| CN105144130A (en) * | 2013-03-15 | 2015-12-09 | 英特尔公司 | Mobile computing device technology and systems and methods utilizing the same |
| CN103533543A (en) * | 2013-10-08 | 2014-01-22 | 深圳Tcl新技术有限公司 | Terminal pairing method and device on basis of near field communication |
| CN105575086A (en) * | 2014-10-30 | 2016-05-11 | 三星电子株式会社 | Display apparatus, controlling method and display system |
| CN105575086B (en) * | 2014-10-30 | 2020-10-20 | 三星电子株式会社 | Display device, control method and display system |
| CN104581883B (en) * | 2014-11-21 | 2018-08-10 | 广东瑞德智能科技股份有限公司 | A kind of intelligent appliance radio data communication method |
| CN104581883A (en) * | 2014-11-21 | 2015-04-29 | 广东瑞德智能科技股份有限公司 | Wireless data communication method for intelligent household appliance |
| CN107730859A (en) * | 2017-09-22 | 2018-02-23 | Tcl通力电子（惠州）有限公司 | Wireless device pairing method, device and storage medium |
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