| Patents for H04R 1 - Details of transducers (42,173) |
|---|
| 01/29/2014 | CN203416381U Sensitivity maintenance and adjustment system for microphone |
| 01/29/2014 | CN203416380U A combined microphone |
| 01/29/2014 | CN203416379U Micro loudspeaker device |
| 01/29/2014 | CN203416378U Transformed sound box |
| 01/29/2014 | CN203416377U Negative ion sound box |
| 01/29/2014 | CN203416376U Ceiling loudspeaker front decorative cover plate structure |
| 01/29/2014 | CN203416375U Mesh cover fixing structure convenient for dismounting mesh cover |
| 01/29/2014 | CN103548362A Audio processing device, audio processing method, and recording medium on which audio processing program is recorded |
| 01/29/2014 | CN103548361A Semiconductor device and microphone |
| 01/29/2014 | CN103546857A Electric speaker and assembling method thereof, method of forming electric conductor or electric contact |
| 01/29/2014 | CN103546856A Manufacturing method of carbon fiber attached rest for communication headset |
| 01/29/2014 | CN103546838A Method for producing optimum sound field of loudspeaker |
| 01/29/2014 | CN103546837A Sleeving-hanging-type voice-control transmission device |
| 01/29/2014 | CN103546836A Vest-type acoustic collector |
| 01/29/2014 | CN103546835A Loudspeaker box |
| 01/29/2014 | CN103543568A Electrochromic rearview mirror assembly incorporating a display/signal light |
| 01/29/2014 | CN101820563B Speaker protection system |
| 01/29/2014 | CN101662709B Bracket and electronic equipment assembly using same |
| 01/29/2014 | CN101491111B Electroacoustical transducing |
| 01/29/2014 | CN101026895B Waveguide electracoustical transducer |
| 01/28/2014 | US8638974 Electroacoustic transducer |
| 01/28/2014 | US8638968 Low-profile loudspeaker driver and enclosure assembly |
| 01/28/2014 | US8638958 Speaker shoes with audio adapter receiver |
| 01/28/2014 | CA2499033C A system and method for beamforming using a microphone array |
| 01/23/2014 | WO2014013924A1 Noise identification device and noise identification method |
| 01/23/2014 | WO2014012583A1 Portable electronic device with directional microphones for stereo recording |
| 01/23/2014 | WO2014012582A1 Portable electronic device with directional microphones for stereo recording |
| 01/23/2014 | WO2014012217A1 Earpiece casing cavity and corresponding earphone |
| 01/23/2014 | US20140023224 Speaker |
| 01/23/2014 | US20140023223 Body including a receiving unit for a speaker, and a terminal including the body |
| 01/23/2014 | US20140023222 Headphone |
| 01/23/2014 | US20140023221 Mobile entertainment device |
| 01/23/2014 | US20140023220 Array speaker structure for audio/video device |
| 01/23/2014 | US20140023206 Acoustic apparatus |
| 01/23/2014 | US20140023205 Lightweight audio system for automotive applications and method |
| 01/23/2014 | US20140023202 Earphone system, earphone device, and portable terminal for supporting the same |
| 01/23/2014 | US20140023201 Communication System and Method |
| 01/23/2014 | US20140020974 Ceiling speaker assembly |
| 01/23/2014 | DE102013214309A1 Earphone or headset, has signal processing unit adding processed audio signal from outer microphone to audio signal from inner microphone, and performing band-pass limitation of audio signal of outer microphone |
| 01/23/2014 | DE102012111612A1 Acoustic high frequency focuser for sound focusing unit used for focusing high-frequency sound of rectangular array speaker, has cone core which is arranged in cavity of horn, and spacing is provided between horn and conical core |
| 01/23/2014 | DE102012009224B4 Verfahren und Vorrichtung zum Schätzen der Form einer akustischen Schleppantenne Method and apparatus for estimating the form of a towed acoustic antenna |
| 01/23/2014 | DE102012003772B4 Lautsprechersystem für ein Kraftfahrzeug Speaker system for a motor vehicle |
| 01/22/2014 | EP2688313A1 Passive loudspeaker multiplexer |
| 01/22/2014 | EP2688312A2 System and method for reduced baffle vibration |
| 01/22/2014 | EP2688306A1 Glasses apparatus for watching display image |
| 01/22/2014 | CN203407011U 麦克风线路板 Microphone board |
| 01/22/2014 | CN203407004U 汽车喇叭 Car Speaker |
| 01/22/2014 | CN203407003U Vehicle-mounted stereo loudspeaker |
| 01/22/2014 | CN203407002U Acoustic bass extension sound box |
| 01/22/2014 | CN203407001U Non-contact frequency-dependent loudspeaker |
| 01/22/2014 | CN203407000U Voice output adjustment circuit and audio and video playing equipment |
| 01/22/2014 | CN203406999U Novel leather sheath for handset |
| 01/22/2014 | CN203406998U A Bluetooth earphone without radiation |
| 01/22/2014 | CN203406997U A vehicle-mounted Bluetooth earphone |
| 01/22/2014 | CN203406996U Mobile phone earphone with antitheft function |
| 01/22/2014 | CN203406995U Earphone with headband capable of remembering shapes |
| 01/22/2014 | CN203406994U 可拆装耳机 Removable headset |
| 01/22/2014 | CN203406993U Hanger structure of earphone |
| 01/22/2014 | CN203406992U Micro-electro-mechanic system (MEMS) microphone |
| 01/22/2014 | CN203406991U 麦克风终端装置 Microphone terminal device |
| 01/22/2014 | CN203406990U Microphone terminal circuit board pad |
| 01/22/2014 | CN203406989U Micro-electro-mechanic system (MEMS) microphone |
| 01/22/2014 | CN203406988U 扬声器模组 Speaker Module |
| 01/22/2014 | CN203406987U Ultrathin sound box |
| 01/22/2014 | CN203406986U Loudspeaker sealing structure |
| 01/22/2014 | CN203406985U Multifunctional charging sound box |
| 01/22/2014 | CN203406984U Horn structure and automobile |
| 01/22/2014 | CN203406983U Sound box LED lamp |
| 01/22/2014 | CN203406982U Wall-hanging type television sound equipment with set top box being disposed inside sound equipment housing |
| 01/22/2014 | CN203406981U Multifunctional fan illumination sound device |
| 01/22/2014 | CN203406919U Mobile phone shell |
| 01/22/2014 | CN203399920U Musical water cup |
| 01/22/2014 | CN103535051A Earphone with interdynamic display screen |
| 01/22/2014 | CN103533487A Wired earphone circuit with function of suppressing 217Hz noise interference |
| 01/22/2014 | CN103533483A Audio processing device and audio equipment |
| 01/22/2014 | CN103533482A Waterproof device for microphone |
| 01/22/2014 | CN103533481A WiFi wireless sound box |
| 01/22/2014 | CN103533480A High-frequency sound wave focuser |
| 01/22/2014 | CN103533479A Piezoceramic bone-conduction oscillator mounting structure in bone-conduction Bluetooth headset |
| 01/22/2014 | CN103533478A Earphones |
| 01/22/2014 | CN103533477A Moving-coil earphone |
| 01/22/2014 | CN103533476A 衔铁式耳机 Armature headphones |
| 01/22/2014 | CN103533475A Earphone used in ear |
| 01/22/2014 | CN103533474A U-shaped headset with finely-adjustable clamp force |
| 01/22/2014 | CN103533473A Automatic earphone wire collecting device integrated with cellphone protective shell |
| 01/22/2014 | CN103533472A Front cavity structure of micro-receiver with acoustic filter |
| 01/22/2014 | CN103533471A Method and device for enabling sound producing equipment to quickly detect type of headset |
| 01/22/2014 | CN103533470A In-ear earphone |
| 01/22/2014 | CN103533469A Multifunctional universal headset plug and socket |
| 01/22/2014 | CN103533468A Microphone with electricity-saving device |
| 01/22/2014 | CN103533467A Device for remotely controlling sound box through mobile phone |
| 01/22/2014 | CN103533466A Vocal cavity structure for transmitting ultrasonic waves by using loudspeaker |
| 01/22/2014 | CN103533270A Audio playing equipment and video control method |
| 01/22/2014 | CN103531210A Method for reading and outputting data of blue-ray disc based on stereo and stereo system |
| 01/22/2014 | CN102333251B Method and device for manufacturing array plate insulation layer of microphone casing frame |
| 01/22/2014 | CN101841750B Wiring device for miniature acoustical generators and assembling method |
| 01/22/2014 | CN101841586B Method for expanding earphone interface of mobile phone into serial communication interface |
| 01/21/2014 | US8634587 Acoustic conversion device |
| 01/21/2014 | US8634586 Ceiling-mounted loudspeaker enclosure |
| 01/21/2014 | US8633064 Methods of manufacture of top port multipart surface mount silicon condenser microphone package |