| Patents for H04R 27 - Public address systems (2,454) |
|---|
| 03/05/2015 | WO2015027674A1 Loudspeaker for mobile portable device |
| 03/04/2015 | EP2843841A1 Method and device for driving digital speaker based on code conversion |
| 02/26/2015 | WO2015024585A1 Hearing aid having an adaptive classifier |
| 02/26/2015 | US20150058727 Zone Configuration Based on Playback Selections |
| 02/24/2015 | US8965544 Systems and methods for providing zone functionality in networked media systems |
| 02/24/2015 | US8963722 Apparatus and method for playing and/or generating audio content for an audience |
| 02/19/2015 | WO2015022579A2 Method for operating an arrangement of sound transducers according to the wave-field synthesis principle |
| 02/19/2015 | US20150051723 Audio Content Auditioning by Playback Device |
| 02/12/2015 | US20150042813 Audio/video entertainment system and method |
| 02/11/2015 | CN204157055U 广场舞领舞机及应用其的社区媒体广告机 Square Dance leading dance machine and apply its social media advertising |
| 02/10/2015 | US8953830 Horn loudspeaker and a sound source |
| 02/04/2015 | CN204145754U 公共广播系统 Public Broadcasting System |
| 02/04/2015 | CN204145753U 低频辐射通道转向扩音结构 PA structural shift channel low-frequency radiation |
| 02/04/2015 | CN204145752U 一种音乐教学扩音机 A musical teaching amplifiers |
| 02/04/2015 | CN204145751U 无线光波耳麦系统 Wireless headset system Lightwave |
| 02/04/2015 | CN104333836A 高保真传声音响 High-fidelity stereo sound transmission |
| 02/04/2015 | CN104333835A D类功放扩音器 Class D amplifier megaphone |
| 02/04/2015 | CN103096233B 精密环形管复合通道扬声器系统 Precision annular tube composite channel speaker system |
| 02/03/2015 | US8948431 Method and apparatus for controlling an electronic system |
| 01/28/2015 | CN204131731U 游泳比赛发令扬声器系统 Swimming Competition issuing the order speaker system |
| 01/28/2015 | CN104318951A 一种录扩音系统 One kind of record PA system |
| 01/27/2015 | US8942395 Pointing element enhanced speaker system |
| 01/21/2015 | CN204119517U 一种模块化设计功放机 A modular design of the amplifier |
| 01/21/2015 | CN204119516U 能够生成环绕立体声的音频设备 Able to generate surround sound audio equipment |
| 01/21/2015 | CN104301854A 一种新型扩音器 A new loudspeaker |
| 01/21/2015 | CN104301853A 拟人临场转播系统 Anthropomorphic spot broadcast system |
| 01/20/2015 | US8938637 Systems and methods for synchronizing operations among a plurality of independently clocked digital data processing devices without a voltage controlled crystal oscillator |
| 01/20/2015 | US8938078 Method and system for enhancing sound |
| 01/20/2015 | US8937530 Radio frequency identification tags adapted for localization and state indication |
| 01/15/2015 | US20150016626 Switching Between a Directly Connected and a Networked Audio Source |
| 01/15/2015 | DE102013011696A1 Variable Vorrichtung zur Ausrichtung von Schallwellenfronten Variable alignment apparatus of sound wave fronts |
| 01/14/2015 | CN104284289A 用于麦克风放大器的系统和方法 System and method for microphone amplifier |
| 01/13/2015 | US8934639 Modification of audio signals for distribution in a room |
| 01/08/2015 | WO2015000494A1 Media distribution system and method for media distribution |
| 01/07/2015 | CN204090154U 会议麦克风 Conference Microphone |
| 01/07/2015 | CN104270706A 一种直通式号筒喊话器 A through-type horn Megaphone |
| 01/06/2015 | US8930006 Data transfer method and system for loudspeakers in a digital sound reproduction system |
| 01/06/2015 | US8929579 Speaker and mixer assembly |
| 01/01/2015 | US20150005914 Power Increase Based on Packet Type |
| 12/31/2014 | CN204069347U 能够分别调整输出音量的无线音频播放系统 Were able to adjust the output volume wireless audio playback system |
| 12/31/2014 | CN204069346U 能够解决广场舞噪音的无线音频播放系统 Square Dance noise can solve wireless audio playback system |
| 12/31/2014 | CN204069345U 一种双备份会议扩声系统 A dual backup meeting PA system |
| 12/24/2014 | CN204046823U 嵌入于智能路灯且终端遥控电导通的广场舞音乐播放装置 Embedded in intelligent street lighting and remote terminal electrically conducting Square Dance music player |
| 12/24/2014 | CN204046822U 一种教学扩音机 A teaching amplifiers |
| 12/24/2014 | CN104247454A 媒体/通信系统 Media / Communications System |
| 12/24/2014 | CN104244159A 校正小阵列麦克风性能的方法 Correction small array microphone performance methods |
| 12/23/2014 | US8917972 Modifying audio in an interactive video using RFID tags |
| 12/23/2014 | US8917888 Control terminal apparatus and control method |
| 12/23/2014 | US8917885 Loop gain estimating apparatus and howling preventing apparatus |
| 12/23/2014 | US8917883 Electronic device and audio accessory having a plurality of passive switches for controlling the audio device |
| 12/17/2014 | CN204031387U 一种话放插槽式机架 One kind words put slot chassis |
| 12/16/2014 | US8913763 Mixing console |
| 12/10/2014 | CN204014063U 动态音乐喷泉系统 Dynamic musical fountain system |
| 12/10/2014 | CN204014062U 具有音频通信功能的终端 Having an audio communication function of the terminal |
| 12/10/2014 | CN204014061U 一种无线扩音设备 A wireless public address equipment |
| 12/10/2014 | CN104202708A 带有麦克风的功放音频设备及其方法 Amplifier audio device and method with microphone |
| 12/10/2014 | CN104202707A 能够生成环绕立体声的音频设备 Able to generate surround sound audio equipment |
| 12/10/2014 | CN102413411B 一种便携式扩音机 A portable megaphone |
| 12/10/2014 | CN101731836B 音乐牙刷及其使用方法 Music toothbrush and methods of use |
| 12/02/2014 | US8903526 Device playback failure recovery and redistribution |
| 12/02/2014 | US8903100 Loudspeaker control apparatus and method for inspecting loudspeaker |
| 11/18/2014 | US8887861 Manipulated vortex waveguide loudspeaker alignment |
| 11/04/2014 | US8879754 Sound reproducing system with superimposed digital signal |
| 11/04/2014 | US8879748 Multi-protocol wireless audio client device |
| 10/28/2014 | US8873767 Audio or audio/visual interactive entertainment system and switching device therefor |
| 10/21/2014 | US8867754 Dereverberation apparatus and dereverberation method |
| 10/16/2014 | US20140307892 Audio control system and electronic device using same |
| 09/23/2014 | US8842867 Loudspeaker box with a variable radiation characteristic |
| 09/18/2014 | WO2014139586A1 Delegate unit and conference system with the delegate unit |
| 09/17/2014 | EP2777030A1 Automatic audible alarm origination locate |
| 09/12/2014 | WO2014138300A1 System and method for robust simultaneous driver measurement for a speaker system |
| 09/11/2014 | US20140258859 Method and System for Real-Time Audio Broadcast |
| 09/03/2014 | EP2773134A1 Audio system for audio streaming and associated method |
| 08/27/2014 | EP2770498A1 Method of retrieving processing properties and audio processing system |
| 08/26/2014 | US8817999 Networked sound masking and paging system |
| 08/26/2014 | US8817971 Conference device |
| 08/06/2014 | CN103974180A 一种功放阵的功放单元调配方法 One kind of amplifier array amplifier unit deployment method |
| 07/30/2014 | CN103957499A 在特别网络中使用个人通信装置来共享公共寻址系统 Use of personal communication devices to share a common network addressing system in particular |
| 07/29/2014 | CA2690661C Public address system using wireless mobile communication devices |
| 07/23/2014 | EP2757807A2 Rigging system for speakers |
| 07/23/2014 | CN203734837U 车辆用喇叭 Vehicle horn |
| 07/23/2014 | CN103945316A 一种有源数字线阵列 An active digital line array |
| 07/16/2014 | CN203722825U 一种同步共震扩音扩图设备 A synchronous resonance PA expanded view of the device |
| 07/16/2014 | CN103929705A 高保真直流音响套件播放演出系统 DC audio fidelity playback performance system kit |
| 07/16/2014 | CN103922269A Mems器件、mems器件的系统、制作mems器件的方法 Mems device, mems device system, method of making mems device |
| 07/09/2014 | CN203708491U 基于智能终端和无线音箱的卡拉ok系统 Based on intelligent terminals and wireless speaker system karaoke ok |
| 07/09/2014 | CN203708490U 电动车模拟声装置 EV analog sound device |
| 07/09/2014 | CN203708489U 一种降低损耗的音频处理电路及车载电子设备 A method of reducing the loss of the audio processing circuit and the vehicle mounted electronic apparatus |
| 07/09/2014 | CN203708488U 一种安装于室内的扩声系统 A method of installing indoor PA system |
| 07/09/2014 | CN102684701B 基于编码转换的数字扬声器驱动方法和装置 The digital speaker driving method and apparatus for transcoding based |
| 07/02/2014 | CN203691631U 一种带dvd播放功能及翻盖式显示屏的扩音器 An amplifier with a dvd player and flip-function display |
| 07/02/2014 | CN203676434U 野战数字多功能演讲台 Field Digital Versatile Podium |
| 07/02/2014 | CN103905957A 多功能扩音与报警系统 Multifunction PA and alarm system |
| 06/26/2014 | DE102012223799A1 Beschallungsvorrichtung, Verfahren zur Konfiguration eines Verstärkers sowie Computerprogramm Sonicator method for configuring an amplifier and computer program |
| 06/25/2014 | CN203675322U 多功能扩音器 Multifunction megaphone |
| 06/25/2014 | CN103888883A 带照明设备的教学扩音器 Teaching loudspeakers with lighting |
| 06/25/2014 | CN103888882A 带抽屉的教学无线扩音器 Teaching wireless microphone with drawers |
| 06/25/2014 | CN103886865A 声音处理装置、声音处理方法和程序 The sound processing apparatus, sound processing method, and program |
| 06/19/2014 | WO2014091118A1 Audio reception device, particularly for a motor vehicle |
| 06/18/2014 | CN103874005A Karaoke system based on intelligent terminal and wireless speaker and implementation method of Karaoke system |