CN106900080B - Bluetooth connecting method and device - Google Patents
Bluetooth connecting method and device Download PDFInfo
- Publication number
- CN106900080B CN106900080B CN201510960980.4A CN201510960980A CN106900080B CN 106900080 B CN106900080 B CN 106900080B CN 201510960980 A CN201510960980 A CN 201510960980A CN 106900080 B CN106900080 B CN 106900080B
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- bluetooth equipment
- role
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- passive
- video
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of Bluetooth connecting method and device, the Bluetooth connecting method include: that passive bluetooth equipment receives the audio/video from active bluetooth equipment and remotely controls specification connection request, and the passive bluetooth equipment has the ability as CT role and TG role；If the passive bluetooth equipment is established audio transmission specification with the active bluetooth equipment and is connect, the then role of the passive bluetooth equipment according to audio transmission specification connection determines that the passive bluetooth equipment remotely controls the role in specification connection in the audio/video；The passive bluetooth equipment establishes audio/video as the role and the active bluetooth equipment for determining determination and remotely controls specification connection.The method and device can distinguish the role of equipment to be connected.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of Bluetooth connecting methods and device.
Background technique
Bluetooth technology is a kind of wireless technology standard, it can be achieved that short between fixed equipment, mobile device and personal area network
Range data exchange.
Audio transmission specification (Advanced Audio Distribution Profile, A2DP) is the one of Bluetooth technology
Kind of audio transmission protocol transmits the agreement of high quality of music file data, it is specified that use bluetooth non-synchronous transmissions channel fashion
Stack software and application method, typical case are bluetooth headset.
Audio/video remote control protocol (Audio/Video Remote Control Profile, AVRCP) can be used
In the A/V equipment for permitting all users of single remote control equipment (or other equipment) control that can access.Audio/video is long-range
Control protocol defines how the feature of control Streaming Media, including pause, stopping, starting playback, volume control and other types
Remote control operation.
In audio/video remote control protocol, equipment can be divided into CT role and TG role, and CT (Controller) is
Audio/video remotely controls a role of specification, can send a command to the end TG, and typical equipment is earphone；TG
(Target) it is another role that audio/video remotely controls specification, the order at the end CT can be responded, typical equipment is sound
Frequency player.
But in existing connection type, the role of equipment to be connected can not be effectively distinguished.
Summary of the invention
The technical problem to be solved by the present invention is to provide the methods of role for distinguishing equipment to be connected a kind of.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of Bluetooth connecting method, comprising:
Passive bluetooth equipment receives the audio/video from active bluetooth equipment and remotely controls specification connection request, described
Passive bluetooth equipment has the ability as CT role and TG role；
If the passive bluetooth equipment is established audio transmission specification with the active bluetooth equipment and is connect, according to
The role of passive bluetooth equipment described in the connection of audio transmission specification, determines the passive bluetooth equipment in the audio/video
Role in long-range control specification connection；
The passive bluetooth equipment is long-range as determining determining role with the active bluetooth equipment and establishing audio/video
Control specification connection.
Optionally, the Bluetooth connecting method further include: if the passive bluetooth equipment not with the active bluetooth equipment
The connection of audio transmission specification is established, then refuses the audio/video and remotely controls specification connection request, is waited until described passive
Bluetooth equipment is established audio transmission specification with the active bluetooth equipment and is connect.
Optionally, described remotely to control specification in audio/video of the passive bluetooth equipment reception from active bluetooth equipment
Before connection request, Bluetooth connecting method further include: the passive bluetooth equipment receives the equipment class from active bluetooth equipment
Type inquiry, and query result is fed back into the active bluetooth equipment.
Optionally, the role of the passive bluetooth equipment according to audio transmission specification connection, described in judgement
It includes: to exist in the passive bluetooth equipment that passive bluetooth equipment, which remotely controls the role in specification connection in the audio/video,
When being used as SNK role in the audio transmission specification, determine that the passive bluetooth equipment remotely controls in specification in audio/video
As CT role.
Optionally, the role of the passive bluetooth equipment according to audio transmission specification connection, described in judgement
It includes: to exist in the passive bluetooth equipment that passive bluetooth equipment, which remotely controls the role in specification connection in the audio/video,
When being used as SRC role in the audio transmission specification, determine that the passive bluetooth equipment remotely controls in specification in audio/video
As TG role.
The present invention provides a kind of Bluetooth connection device, comprising:
Connection request receiving unit remotely controls specification connection suitable for receiving the audio/video from active bluetooth equipment
Request；
Role's judging unit connects suitable for having established audio transmission specification with the active bluetooth equipment in passive bluetooth equipment
When connecing, the role of passive bluetooth equipment according to audio transmission specification connection determines that the passive bluetooth equipment exists
The audio/video remotely controls the role in specification connection, and the passive bluetooth equipment has as CT role and TG role
Ability；
Connection unit, suitable for building the passive bluetooth equipment role determining as judgement with the active bluetooth equipment
Vertical audio/video remotely controls specification connection.
Optionally, the Bluetooth connection device further include: active connection unit, be suitable for the passive bluetooth equipment not with
When the active bluetooth equipment establishes the connection of audio transmission specification, refuses the audio/video and remotely controls specification connection request,
It waits until the passive bluetooth equipment is established audio transmission specification with the active bluetooth equipment and connect.
Optionally, the Bluetooth connection device further includes device type query unit, is suitable for receiving in passive bluetooth equipment
Before audio/video from active bluetooth equipment remotely controls specification connection request, setting from active bluetooth equipment is received
Standby type queries, and query result is fed back into the active bluetooth equipment.
Optionally, when being used as SNK role in the audio transmission specification in the passive bluetooth equipment, the role sentences
Order member determines that the passive bluetooth equipment remotely controls in specification in audio/video as CT role.
Optionally, when being used as SRC role in the audio transmission specification in the passive bluetooth equipment, the role sentences
Order member determines that the passive bluetooth equipment remotely controls in specification in audio/video as TG role
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
Specification connection request is remotely controlled when passive bluetooth equipment receives the audio/video from active bluetooth equipment
When, it detects passive bluetooth equipment and whether establishes audio transmission specification with the active bluetooth equipment and connect, if audio has been established
Transmission specification connection determines the passive bluetooth equipment then according to the role of bluetooth equipment passive in the connection of audio transmission specification
The role in specification connection is remotely controlled in the audio/video, the role of passive bluetooth equipment is distinguished to realize, effectively
It completes audio/video and remotely controls specification connection.
Detailed description of the invention
Fig. 1 is a kind of flow chart of Bluetooth connecting method；
Fig. 2 is a kind of flow chart of Bluetooth connecting method in the embodiment of the present invention；
Fig. 3 is the flow chart of another Bluetooth connecting method in the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of Bluetooth connection device in the embodiment of the present invention.
Specific embodiment
As previously mentioned, audio transmission specification (Advanced Audio Distribution Profile, A2DP) is bluetooth
A kind of audio transmission protocol of technology transmits high quality of music number of files, it is specified that use bluetooth non-synchronous transmissions channel fashion
According to protocol stack software and application method, typical case be bluetooth headset.Audio/video remote control protocol (Audio/
Video Remote Control Profile, AVRCP) can be used for that single remote control equipment (or other equipment) is permitted to control
Make the A/V equipment that all users can access.Audio/video remote control protocol defines how the feature of control Streaming Media,
Including pause, stopping, starting playback, volume control and other types of remote control operation.It, cannot in existing connection type
Effectively distinguish the role of equipment to be connected.
Through inventor the study found that when two bluetooth equipments are attached, the indigo plant connected for the first time will can be actively initiated
Tooth equipment is known as active bluetooth equipment, and the equipment for establishing connection with active bluetooth equipment is known as passive bluetooth equipment.Same
Passive bluetooth equipment not only can be used as CT role, but also when can be used as TG role, and the prior art lacks a kind of effective mechanism and sentences
Break the role of in certain connection passive bluetooth equipment, to be difficult to complete to connect.
In embodiments of the present invention, when to receive the audio/video from active bluetooth equipment long-range for passive bluetooth equipment
When controlling specification connection request, detect whether passive bluetooth equipment has established audio transmission specification company with the active bluetooth equipment
It connects, if the connection of audio transmission specification has been established, according to the role of bluetooth equipment passive in the connection of audio transmission specification, determines institute
It states passive bluetooth equipment and remotely controls the role in specification connection in the audio/video, to realize to passive bluetooth equipment
Role distinguish, efficiently accomplish audio/video remotely control specification connect.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
Referring to Fig. 1, the connection procedure of two bluetooth equipments may include:
Step S11, after establishing ACL link, active bluetooth equipment initiates service discovery protocol (Service
Discovery Protocol, SDP) service-seeking, to inquire the registration information of passive bluetooth equipment.Active bluetooth equipment into
When the service-seeking of row service discovery protocol, carried out for from the role in this connection, to judge passive bluetooth equipment
Whether with itself corresponding role is supported.
Step S12 initiates logical links adaptation after the registration information that active bluetooth equipment inquires passive bluetooth equipment
Layer (Logical Link and Adaption Layer, L2CAP) connection.
Step S13 completes the connection of logical links adaptation layer, carries out audio/video and remotely controls specification (Audio/Video
Remote Control Profile, AVRCP) command interaction.
It, generally should due to not indicating the requirement to passive bluetooth equipment role in logical links adaptation layer connection request
Connection request reports to audio/video and remotely controls specification layer, and specification layer is remotely controlled by audio/video and decides whether to receive to be somebody's turn to do
Connection request.
It is understood that after establishing the connection of logical links adaptation layer, active bluetooth equipment and passive bluetooth equipment it
Between can carry out the command interaction that audio/video remotely controls specification, therefore logical links adaptation layer connection request can also be considered as
Audio/video remotely controls specification connection request.
It is passive blue when but also with ability as TG role when passive bluetooth equipment had both had the ability as CT role
Tooth equipment, which cannot be distinguished in this connection, should be used as which kind of role is attached, to can not effectively complete to connect.
In embodiments of the present invention, when to receive the audio/video from active bluetooth equipment long-range for passive bluetooth equipment
When controlling specification connection request, detect whether passive bluetooth equipment has established audio transmission specification company with the active bluetooth equipment
It connects, if the connection of audio transmission specification has been established, according to the role of bluetooth equipment passive in the connection of audio transmission specification, determines institute
It states passive bluetooth equipment and remotely controls the role in specification connection in the audio/video, to realize to passive bluetooth equipment
Role distinguish, efficiently accomplish audio/video remotely control specification connect.
Fig. 2 is a kind of flow chart of Bluetooth connecting method in the embodiment of the present invention.
In the step s 21, passive bluetooth equipment receives the audio/video from active bluetooth equipment and remotely controls specification company
Request is connect, the passive bluetooth equipment has the ability as CT role and TG role.
Since CT role and TG role correspond to different application functions, different specific behaviour is corresponded in bluetooth equipment application layer
Make, if not distinguishing to role during the connection process, communication function can not be normally completed.Therefore have in same bluetooth equipment
When for as the ability of CT role and TG role, need to distinguish to from the role in this connection procedure.
In specific implementation, audio/video, which remotely controls specification connection request, can show as logical links adaptation layer company
Connect request.
In specific implementation, the audio/video from active bluetooth equipment is received in passive bluetooth equipment remotely control rule
It can also include: that the passive bluetooth equipment receives the device type inquiry from active bluetooth equipment before model connection request,
And query result is fed back into the active bluetooth equipment.
Device type is set by passive bluetooth equipment, in the prior art, is carried out audio/video and is remotely controlled specification connection
When, the role of passive bluetooth equipment can be judged according to device type, but when passive bluetooth equipment is provided simultaneously with as CT role
When with the ability of TG role, only it is difficult to determine role of the passive bluetooth equipment in certain connection by device type inquiry.
In step S22, if the passive bluetooth equipment has established audio transmission specification company with the active bluetooth equipment
It connects, then the role of the passive bluetooth equipment according to audio transmission specification connection, determines that the passive bluetooth equipment exists
The audio/video remotely controls the role in specification connection.
It is for controlling audio (broadcasting, pause etc.), if audio transmission is advised since audio/video remotely controls specification
Model does not connect, it may be considered that it is nonsensical that audio/video, which remotely controls specification connection,.
In audio transmission specification, there are two roles: SRC (Source) namely audio output；SNK (Sink),
Exactly receive audio end.In audio transmission specification, the mode for how determining passive bluetooth equipment role alsied specify.Therefore it can be with
The role of passive bluetooth equipment, judges the passive bluetooth equipment in institute according to the audio transmission specification connection having connected
It states audio/video and remotely controls the role standardized in connection.
In specific implementation, the role of the passive bluetooth equipment according to audio transmission specification connection, determines institute
Stating passive bluetooth equipment and remotely controlling the role in specification connection in the audio/video may is that and set in the passive bluetooth
When for being used as SNK role in the audio transmission specification, determine that the passive bluetooth equipment remotely controls rule in audio/video
CT role is used as in model.
In another specific implementation, the role of passive bluetooth equipment, sentences according to audio transmission specification connection
It may include: described passive that the fixed passive bluetooth equipment, which remotely controls the role in specification connection in the audio/video,
When bluetooth equipment is used as SRC role in the audio transmission specification, determine that the passive bluetooth equipment is long-range in audio/video
TG role is used as in control specification.
In step S23, the passive bluetooth equipment is established as the role and the active bluetooth equipment for determining determination
Audio/video remotely controls specification connection.
In specific implementation, the passive bluetooth equipment is established as the role and the active bluetooth equipment for determining determination
Audio/video remotely control specification connection, can show as complete logical links adaptation layer connection, and then can carry out audio/
Video Remote controls specification command interaction.
Fig. 3 is the flow chart of Bluetooth connecting method in another embodiment of the present invention, is illustrated below in conjunction with Fig. 3 and Fig. 2.
In step S31, passive bluetooth equipment receives the audio/video from active bluetooth equipment and remotely controls specification company
Request is connect, the passive bluetooth equipment has the ability as CT role and TG role.
The specific implementation of step S31 is referred to step S21 and its associated description in Fig. 2, this is not repeated.
In step s 32, judge whether passive bluetooth equipment is established audio transmission specification with active bluetooth equipment and connect,
If having carried out audio transmission specification connection, S33 is thened follow the steps, it is no to then follow the steps S34.
In step S33, according to the role of passive bluetooth equipment described in audio transmission specification connection, described in judgement
Passive bluetooth equipment remotely controls the role in specification connection in the audio/video.
The specific implementation of step S32 and step S33 are referred to step S22, this is not repeated.
In step S34, refuses the audio/video and remotely control specification connection request, wait until the passive indigo plant
Tooth equipment is established audio transmission specification with the active bluetooth equipment and is connect.
After step S34 is finished, step S33 is executed.
That is, if passive bluetooth equipment is not established audio transmission specification with the active bluetooth equipment and is connect, first
Refuse the audio/video and remotely control specification connection request, is built in the passive bluetooth equipment and the active bluetooth equipment
After vertical audio transmission specification connection, the role of the passive bluetooth equipment is determined, according to determining role to active bluetooth equipment
It initiates audio/video and remotely controls specification connection.
In step s 35, the passive bluetooth equipment is established as the role and the active bluetooth equipment for determining determination
Audio/video remotely controls specification connection.
The specific implementation of step S35 may refer to step S23 and its associated description in Fig. 2, this is not repeated.
In embodiments of the present invention, when to receive the audio/video from active bluetooth equipment long-range for passive bluetooth equipment
When controlling specification connection request, detect whether passive bluetooth equipment has established audio transmission specification company with the active bluetooth equipment
It connects, if the connection of audio transmission specification has been established, according to the role of bluetooth equipment passive in the connection of audio transmission specification, determines institute
It states passive bluetooth equipment and remotely controls the role in specification connection in the audio/video, to realize to passive bluetooth equipment
Role distinguish, efficiently accomplish audio/video remotely control specification connect.
The embodiment of the present invention also provides a kind of Bluetooth connection device, and structural schematic diagram is shown in Fig. 4.
Bluetooth connection device includes: connection request receiving unit 41, role's judging unit 42, connection unit 43.
Connection request receiving unit 41 remotely controls specification company suitable for receiving the audio/video from active bluetooth equipment
Connect request.
Role's judging unit 42, suitable for having established audio transmission with the active bluetooth equipment in the passive bluetooth equipment
When specification connection, then the role of the passive bluetooth equipment according to audio transmission specification connection, determines the passive indigo plant
Tooth equipment remotely controls the role in specification connection in the audio/video, and the passive bluetooth equipment has as CT role
With the ability of TG role.
Connection unit 43 is adapted so that the passive bluetooth equipment role determining as judgement sets with the active bluetooth
Standby audio/video of establishing remotely controls specification connection.
Bluetooth connection device can also include: to wait unit 44, be suitable for the Bluetooth connecting method further include: if described
When passive bluetooth equipment is not established audio transmission specification with the active bluetooth equipment and connect, it is long-range to refuse the audio/video
Specification connection request is controlled, is waited until the passive bluetooth equipment and the active bluetooth equipment establish audio transmission specification company
It connects.
Bluetooth connection device can also include: device type query unit 45, suitable for coming from the reception of passive bluetooth equipment
Before the audio/video of active bluetooth equipment remotely controls specification connection request, the equipment class from active bluetooth equipment is received
Type inquiry, and query result is fed back into the active bluetooth equipment.
In specific implementation, role's judging unit 42 is suitable in the passive bluetooth equipment in the audio transmission
When being used as SNK role in specification, determine that the passive bluetooth equipment remotely controls in specification in audio/video as CT role.
In specific implementation, role's judging unit 42 is suitable in the passive bluetooth equipment in the audio transmission
When being used as SRC role in specification, determine that the passive bluetooth equipment remotely controls in specification in audio/video as TG role.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (10)
1. a kind of Bluetooth connecting method characterized by comprising
Passive bluetooth equipment receives the audio/video from active bluetooth equipment and remotely controls specification connection request, described passive
Bluetooth equipment has the ability as CT role and TG role；
If the passive bluetooth equipment is established audio transmission specification with the active bluetooth equipment and is connect, according to the audio
The role of passive bluetooth equipment described in transmission specification connection, determines that the passive bluetooth equipment is long-range in the audio/video
Role in control specification connection；
The passive bluetooth equipment is established audio/video with the active bluetooth equipment as the role for determining determination and is remotely controlled
Specification connection.
2. Bluetooth connecting method according to claim 1, which is characterized in that the Bluetooth connecting method further include: if institute
It states passive bluetooth equipment and does not establish audio transmission specification with the active bluetooth equipment and connect, then it is remote to refuse the audio/video
Process control specification connection request waits until the passive bluetooth equipment and the active bluetooth equipment establish audio transmission specification
Connection.
3. Bluetooth connecting method according to claim 1, which is characterized in that described to receive to come independently in passive bluetooth equipment
The audio/video of dynamic bluetooth equipment remotely controls before specification connection request, further includes: the passive bluetooth equipment reception comes from
The device type of active bluetooth equipment is inquired, and query result is fed back to the active bluetooth equipment.
4. Bluetooth connecting method according to claim 1, which is characterized in that described to be connected according to the audio transmission specification
Described in passive bluetooth equipment role, determine that the passive bluetooth equipment remotely control specification in the audio/video and connects
In role include: in the passive bluetooth equipment in the audio transmission specification as SNK role when, it is described passive to determine
Bluetooth equipment remotely controls in specification in audio/video as CT role.
5. Bluetooth connecting method according to claim 1, which is characterized in that described to be connected according to the audio transmission specification
Described in passive bluetooth equipment role, determine that the passive bluetooth equipment remotely control specification in the audio/video and connects
In role include: in the passive bluetooth equipment in the audio transmission specification as SRC role when, it is described passive to determine
Bluetooth equipment remotely controls in specification in audio/video as TG role.
6. a kind of Bluetooth connection device characterized by comprising
Connection request receiving unit remotely controls specification connection request suitable for receiving the audio/video from active bluetooth equipment；
Role's judging unit is connect suitable for establishing audio transmission specification with the active bluetooth equipment in passive bluetooth equipment
When, the role of passive bluetooth equipment according to audio transmission specification connection determines the passive bluetooth equipment in institute
It states audio/video and remotely controls role in specification connection, the passive bluetooth equipment has as CT role and TG role
Ability；
Connection unit, suitable for establishing sound for the passive bluetooth equipment as the role and the active bluetooth equipment for determining determination
Frequently/Video Remote control specification connection.
7. Bluetooth connection device according to claim 6, which is characterized in that further include: unit is waited, is suitable in the quilt
When dynamic bluetooth equipment is not established audio transmission specification with the active bluetooth equipment and connect, refuses the audio/video and remotely control
Specification connection request processed waits until the passive bluetooth equipment and the active bluetooth equipment establish audio transmission specification company
It connects.
8. Bluetooth connection device according to claim 6, which is characterized in that further include: device type query unit is suitable for
Before audio/video of the passive bluetooth equipment reception from active bluetooth equipment remotely controls specification connection request, receives and
It is inquired from the device type of active bluetooth equipment, and query result is fed back into the active bluetooth equipment.
9. Bluetooth connection device according to claim 6, which is characterized in that the passive bluetooth equipment is passed in the audio
When being used as SNK role in defeated specification, role's judging unit determines that the passive bluetooth equipment is remotely controlled in audio/video
CT role is used as in specification.
10. Bluetooth connection device according to claim 6, which is characterized in that the passive bluetooth equipment is in the audio
When being used as SRC role in transmission specification, role's judging unit determines that the passive bluetooth equipment is remotely controlled in audio/video
TG role is used as in system specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960980.4A CN106900080B (en) | 2015-12-18 | 2015-12-18 | Bluetooth connecting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960980.4A CN106900080B (en) | 2015-12-18 | 2015-12-18 | Bluetooth connecting method and device |
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| CN106900080A CN106900080A (en) | 2017-06-27 |
| CN106900080B true CN106900080B (en) | 2019-12-03 |
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| CN201510960980.4A Active CN106900080B (en) | 2015-12-18 | 2015-12-18 | Bluetooth connecting method and device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112889096B (en) * | 2018-12-07 | 2022-05-24 | 华为技术有限公司 | Method for dynamically adjusting AVRCP version and terminal equipment |
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| KR20080042203A (en) * | 2006-11-09 | 2008-05-15 | 삼성전자주식회사 | Apparatus and method for key mapping in bluetooth device |
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| CN101347029A (en) * | 2005-11-16 | 2009-01-14 | 诺基亚公司 | System and method for establishing bearer-independent and secure connections |
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| CN103745720A (en) * | 2013-12-25 | 2014-04-23 | 安徽科大讯飞信息科技股份有限公司 | Bluetooth system with voice recognition |
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| CN106900080A (en) | 2017-06-27 |
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