CN109768806B - 无线蓝牙装置、控制器以及使用于控制器的方法 - Google Patents
无线蓝牙装置、控制器以及使用于控制器的方法 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L2001/0092—Error control systems characterised by the topology of the transmission link
- H04L2001/0097—Relays
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
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Abstract
Description
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110354460.4A CN113141201B (zh) | 2017-11-09 | 2018-10-16 | 使用于无线蓝牙装置的方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US15/808,853 | 2017-11-09 | ||
US15/808,853 US10212569B1 (en) | 2017-11-09 | 2017-11-09 | Bluetooth audio communication system and method for acknowledging reception of packets of audio streams at a slave and master devices |
US16/034,370 US10555156B2 (en) | 2017-11-09 | 2018-07-13 | Wireless bluetooth communication mechanism capable of effectively reducing number of audio packet retransmission |
US16/034,370 | 2018-07-13 |
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CN202110354460.4A Division CN113141201B (zh) | 2017-11-09 | 2018-10-16 | 使用于无线蓝牙装置的方法 |
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CN109768806A CN109768806A (zh) | 2019-05-17 |
CN109768806B true CN109768806B (zh) | 2021-04-27 |
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CN202110354460.4A Active CN113141201B (zh) | 2017-11-09 | 2018-10-16 | 使用于无线蓝牙装置的方法 |
CN201811206254.3A Active CN109768806B (zh) | 2017-11-09 | 2018-10-16 | 无线蓝牙装置、控制器以及使用于控制器的方法 |
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CN202110354460.4A Active CN113141201B (zh) | 2017-11-09 | 2018-10-16 | 使用于无线蓝牙装置的方法 |
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US (5) | US10555156B2 (zh) |
CN (2) | CN113141201B (zh) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10555156B2 (en) * | 2017-11-09 | 2020-02-04 | Audiowise Technology Inc. | Wireless bluetooth communication mechanism capable of effectively reducing number of audio packet retransmission |
US11012842B2 (en) * | 2017-11-09 | 2021-05-18 | Audiowise Technology Inc. | Wireless stereo bluetooth communication mechanism capable of effectively reducing number of audio packet retransmission |
US10212569B1 (en) * | 2017-11-09 | 2019-02-19 | Pixart Imaging Inc. | Bluetooth audio communication system and method for acknowledging reception of packets of audio streams at a slave and master devices |
CN110380759B (zh) * | 2018-04-13 | 2022-02-25 | 瑞昱半导体股份有限公司 | 用于多成员蓝牙装置中的副蓝牙电路 |
US11297670B2 (en) * | 2018-09-27 | 2022-04-05 | Apple Inc. | Coordinated transmission and control for audio output devices |
CN109495869A (zh) * | 2018-11-30 | 2019-03-19 | 锐迪科微电子科技(上海)有限公司 | 蓝牙连接方法及装置 |
US11115811B2 (en) * | 2019-04-04 | 2021-09-07 | Qualcomm Incorporated | Address management for Bluetooth devices |
US10827333B1 (en) * | 2019-06-14 | 2020-11-03 | Silicon Laboratories Inc. | Wireless communication device and method for balancing power consumption for two bluetooth devices by switching the receiving and relaying of audio streams |
KR20210020541A (ko) * | 2019-08-16 | 2021-02-24 | 삼성전자주식회사 | 블루투스 네트워크 환경에서 데이터를 재전송하기 위한 전자 장치 및 그에 관한 방법 |
CN112399391B (zh) * | 2019-08-16 | 2024-03-19 | 合肥炬芯智能科技有限公司 | 蓝牙广播通信方法、系统及其主设备、从设备 |
KR20210020542A (ko) | 2019-08-16 | 2021-02-24 | 삼성전자주식회사 | 블루투스 네트워크 환경에서 다중 링크 지원 방법 및 이를 위한 전자 장치 |
US20210136711A1 (en) * | 2019-11-05 | 2021-05-06 | Realtek Semiconductor Corp. | Multi-member bluetooth device capable of reducing complexity of updating internal clock of bluetooth circuit |
TWI727898B (zh) * | 2019-11-05 | 2021-05-11 | 瑞昱半導體股份有限公司 | 可使不同藍牙電路的音訊播放保持同步的多成員藍牙裝置 |
US11405880B2 (en) | 2019-11-05 | 2022-08-02 | Realtek Semiconductor Corp. | Main Bluetooth circuit and auxiliary Bluetooth circuit of multi-member Bluetooth device capable of synchronizing audio playback between different Bluetooth circuits |
US11457421B2 (en) * | 2019-11-05 | 2022-09-27 | Realtek Semiconductor Corp. | Auxiliary bluetooth circuit of multi-member bluetooth device capable of reducing complexity of updating internal clock of bluetooth circuit |
CN112994854A (zh) * | 2019-12-16 | 2021-06-18 | Oppo广东移动通信有限公司 | 蓝牙耳机的数据接收方法、装置、设备及存储介质 |
US11134350B2 (en) * | 2020-01-10 | 2021-09-28 | Sonova Ag | Dual wireless audio streams transmission allowing for spatial diversity or own voice pickup (OVPU) |
CN111479319B (zh) * | 2020-03-30 | 2022-06-14 | 昆山泰芯微电子有限公司 | 一种通信方法以及装置 |
CN111757308B (zh) * | 2020-07-09 | 2022-11-15 | 杭州安恒信息技术股份有限公司 | 低功耗蓝牙连接阻断方法、装置、计算机设备和存储介质 |
CN114007211B (zh) * | 2021-12-30 | 2022-03-08 | 成都市安比科技有限公司 | 一种无线蓝牙音频系统多连接调度方法 |
CN114501412B (zh) * | 2022-04-18 | 2022-06-14 | 成都市安比科技有限公司 | 基于双耳连线的蓝牙协议数据包丢失补偿方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090003649A (ko) * | 2007-07-03 | 2009-01-12 | 에스케이 텔레콤주식회사 | 이동 통신 단말기를 이용한 통신 서비스 시스템 및 그 방법 |
CN105765613A (zh) * | 2013-07-10 | 2016-07-13 | 964比德科有限公司 | 用于数据处理的设备、系统和方法 |
Family Cites Families (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1107520A1 (en) | 1999-12-06 | 2001-06-13 | Telefonaktiebolaget Lm Ericsson | Method and arrangement in a communication network |
KR100691419B1 (ko) * | 2001-02-09 | 2007-03-09 | 삼성전자주식회사 | 무선 통신기기 및 그 통신방법 및 이를 적용한 무선통신시스템 |
US7702284B2 (en) * | 2003-09-12 | 2010-04-20 | Arto Palin | Method and system for processing acknowledgments in a wireless communications network |
JP2005322054A (ja) * | 2004-05-10 | 2005-11-17 | Seiko Epson Corp | 分散印刷制御装置及び印刷ジョブ分散方法 |
JP2006067266A (ja) | 2004-08-27 | 2006-03-09 | Sony Corp | 無線通信システム、無線通信装置及び無線通信方法 |
US20060205401A1 (en) | 2005-02-25 | 2006-09-14 | Arto Palin | Method and system for VoIP over WLAN to Bluetooth headset using advanced eSCO scheduling |
US7486932B2 (en) | 2005-02-25 | 2009-02-03 | Nokia Corporation | Method and system for VoIP over WLAN to bluetooth headset using advanced eSCO scheduling |
US9033225B2 (en) * | 2005-04-26 | 2015-05-19 | Guy Hefetz | Method and system for authenticating internet users |
DE602005010574D1 (de) * | 2005-08-12 | 2008-12-04 | St Microelectronics Belgium Nv | Empfänger mit zweistufiger Kompensation der Frequenzverschiebung für ein M-stufiges phasenmoduliertes Signal |
US7948882B2 (en) | 2006-10-09 | 2011-05-24 | Agere Systems Inc. | Dual leaky bucket flow control method and system |
FR2920930B1 (fr) | 2007-09-06 | 2010-04-16 | Parrot | Systeme synchronise de distribution et de traitement de signaux,notamment de signaux audio dans un reseau d'enceintes sans fil |
US20090109916A1 (en) | 2007-10-31 | 2009-04-30 | Nokia Corporation | Method and apparatus for providing a shared reservation acknowledgement channel |
US20090119422A1 (en) | 2007-11-07 | 2009-05-07 | International Business Machines Corporation | Method and apparatus for performing maintenance operations on peripheral devices |
US8041051B2 (en) | 2008-03-24 | 2011-10-18 | Broadcom Corporation | Dual streaming with exchange of FEC streams by audio sinks |
DK2117180T3 (da) | 2008-05-07 | 2014-02-03 | Oticon As | En trådløs envejsforbindelse med kort rækkevidde |
US9078058B2 (en) | 2009-01-29 | 2015-07-07 | Texas Instruments Incorporated | Applications for a two-way wireless speaker system |
US8159990B2 (en) | 2009-03-11 | 2012-04-17 | Sony Ericsson Mobile Communications Ab | Wireless audio data distribution using broadcast and bidirectional communication channels |
US8768252B2 (en) | 2010-09-02 | 2014-07-01 | Apple Inc. | Un-tethered wireless audio system |
US9065645B2 (en) * | 2012-09-27 | 2015-06-23 | Motorola Solutions, Inc. | Method and apparatus for providing acknowledgement information to radio communication devices in a wireless communication system |
US9838829B2 (en) * | 2012-12-03 | 2017-12-05 | Sonova Ag | Wireless streaming of an audio signal to multiple audio receiver devices |
US9712186B1 (en) * | 2014-04-18 | 2017-07-18 | Altera Corporation | Serial memory interface circuitry for programmable integrated circuits |
US9693127B2 (en) | 2014-05-14 | 2017-06-27 | Samsung Electronics Co., Ltd | Method and apparatus for communicating audio data |
CN103973423A (zh) * | 2014-05-27 | 2014-08-06 | 中南大学 | 一种无线传感器网络的单数据多确认等停自动重传方法 |
US9544714B2 (en) * | 2014-05-30 | 2017-01-10 | Apple Inc. | Companion application for activity cooperation |
KR101910067B1 (ko) | 2014-07-03 | 2018-10-22 | 엘지전자 주식회사 | 블루투스 통신을 지원하는 무선 통신 시스템에서 오디오 데이터를 송수신하기 위한 방법 및 이를 위한 장치 |
TWI563859B (en) | 2015-04-23 | 2016-12-21 | Airoha Tech Corp | Bluetooth audio packet sharing method |
US20170134227A1 (en) | 2015-11-11 | 2017-05-11 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving data in mesh network using bluetooth |
US10602397B2 (en) * | 2016-09-21 | 2020-03-24 | Apple Inc. | Real-time relay of wireless communications |
US10517111B2 (en) | 2016-09-21 | 2019-12-24 | Apple Inc. | Mitigating scheduling conflicts in wireless communication devices |
US10178711B2 (en) * | 2016-09-21 | 2019-01-08 | Apple Inc. | Real-time relay of wireless communications |
US10349259B2 (en) | 2016-09-23 | 2019-07-09 | Apple Inc. | Broadcasting a device state in a wireless communication network |
CN106571894A (zh) * | 2016-11-10 | 2017-04-19 | 深圳市民德电子科技股份有限公司 | 蓝牙信息发送及接收方法 |
US10206084B2 (en) | 2016-12-27 | 2019-02-12 | Avago Technologies International Sales Pte. Limited | Power-efficient, balanced, and reliable true wireless bluetooth stereo audio solution |
CN106878384B (zh) * | 2016-12-30 | 2018-06-22 | 建荣半导体(深圳)有限公司 | 数据转发方法、其装置、蓝牙设备及音频传输方法 |
CN106937197B (zh) | 2017-01-25 | 2019-06-25 | 北京国承万通信息科技有限公司 | 双耳无线耳机及其通信控制方法 |
CN110447235B (zh) * | 2017-03-21 | 2022-07-05 | 萨罗尼科斯贸易与服务一人有限公司 | 用于传送和中继音频信号的设备、系统和方法 |
CN107071618A (zh) | 2017-04-26 | 2017-08-18 | 歌尔科技有限公司 | 一种连接双耳蓝牙耳机的方法和装置 |
CN107135256A (zh) | 2017-04-27 | 2017-09-05 | 建荣半导体(深圳)有限公司 | 蓝牙通信方法、通信装置、通信系统及电子设备 |
US10834738B2 (en) | 2017-06-02 | 2020-11-10 | Apple Inc. | Optimized Bluetooth scheduling for accessory devices |
KR102336612B1 (ko) * | 2017-08-09 | 2021-12-07 | 삼성전자주식회사 | 외부 전자 장치의 통신 설정 정보를 이용하여 오디오 신호를 수신하기 위한 전자 장치 및 그의 동작 방법 |
US20190104424A1 (en) | 2017-09-29 | 2019-04-04 | Apple Inc. | Ultra-low latency audio over bluetooth |
US10212569B1 (en) * | 2017-11-09 | 2019-02-19 | Pixart Imaging Inc. | Bluetooth audio communication system and method for acknowledging reception of packets of audio streams at a slave and master devices |
US10555156B2 (en) * | 2017-11-09 | 2020-02-04 | Audiowise Technology Inc. | Wireless bluetooth communication mechanism capable of effectively reducing number of audio packet retransmission |
US10244307B1 (en) | 2018-02-09 | 2019-03-26 | Bestechnic (Shanghai) Co., Ltd. | Communication of wireless headphones |
-
2018
- 2018-07-13 US US16/034,370 patent/US10555156B2/en active Active
- 2018-10-16 CN CN202110354460.4A patent/CN113141201B/zh active Active
- 2018-10-16 CN CN201811206254.3A patent/CN109768806B/zh active Active
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2019
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- 2019-12-25 US US16/726,838 patent/US10999725B2/en active Active
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2021
- 2021-04-06 US US17/223,019 patent/US11330416B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090003649A (ko) * | 2007-07-03 | 2009-01-12 | 에스케이 텔레콤주식회사 | 이동 통신 단말기를 이용한 통신 서비스 시스템 및 그 방법 |
CN105765613A (zh) * | 2013-07-10 | 2016-07-13 | 964比德科有限公司 | 用于数据处理的设备、系统和方法 |
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US20210227370A1 (en) | 2021-07-22 |
CN113141201B (zh) | 2021-11-16 |
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US11330416B2 (en) | 2022-05-10 |
US20190274024A1 (en) | 2019-09-05 |
CN109768806A (zh) | 2019-05-17 |
US20190141502A1 (en) | 2019-05-09 |
US10555156B2 (en) | 2020-02-04 |
CN113141201A (zh) | 2021-07-20 |
US20200137545A1 (en) | 2020-04-30 |
US10999725B2 (en) | 2021-05-04 |
US10448232B2 (en) | 2019-10-15 |
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