| Patents for H04R 1 - Details of transducers (42,173) | 
|---|
| 04/03/2014 | US20140093095 Porous cover structures for mobile device audio | 
| 04/03/2014 | US20140093091 System and method of detecting a user's voice activity using an accelerometer | 
| 04/03/2014 | US20140093090 Audio headset with automatic equalization | 
| 04/03/2014 | DE102013013357A1 Speaker for interior space of motor vehicle, has speaker component which is received in speaker chamber of interior space, and speaker cover is provided with low thermal radiation-emitting surface | 
| 04/02/2014 | EP2713629A1 A headset having an RFID reader | 
| 04/02/2014 | EP2713448A2 Waterproof earphone jack | 
| 04/02/2014 | DE202014002351U1 Flächenlautsprecher Panel loudspeaker | 
| 04/02/2014 | CN203523024U Intelligent multifunctional headphone | 
| 04/02/2014 | CN203523023U Amplitude modulatable type wireless microphone | 
| 04/02/2014 | CN203523019U Two-way audio output circuit and sound box | 
| 04/02/2014 | CN203523015U Resonant sound box | 
| 04/02/2014 | CN203523014U Electroacoustic device | 
| 04/02/2014 | CN203523013U Sound equipment | 
| 04/02/2014 | CN203523012U Ultra-bass debugging equalizer | 
| 04/02/2014 | CN203523011U Audio configuration device and TV audio system | 
| 04/02/2014 | CN203523010U Radiation type bass reflex | 
| 04/02/2014 | CN203523009U Mini-speaker | 
| 04/02/2014 | CN203523008U Sound box | 
| 04/02/2014 | CN203523007U Screw-in earphone jack structure | 
| 04/02/2014 | CN203523006U Special headphone for multifunctional mobile phones | 
| 04/02/2014 | CN203523005U Simple and portable wireless earphone | 
| 04/02/2014 | CN203523004U Waterproof earphone for clothing | 
| 04/02/2014 | CN203523003U Earphone plug capable of switching earphone mode | 
| 04/02/2014 | CN203523002U U-shaped earphone with micro-adjustable clamping force | 
| 04/02/2014 | CN203523001U U-shaped earphone | 
| 04/02/2014 | CN203523000U Intelligent earphone | 
| 04/02/2014 | CN203522999U Multi-functional bluetooth earphone | 
| 04/02/2014 | CN203522998U Wireless law enforcement recording device | 
| 04/02/2014 | CN203522997U Multifunctional earphone based on MEMS sensor | 
| 04/02/2014 | CN203522996U Optical fiber luminescence earphone | 
| 04/02/2014 | CN203522995U Novel headphone | 
| 04/02/2014 | CN203522994U External volume regulator | 
| 04/02/2014 | CN203522993U Earphone support | 
| 04/02/2014 | CN203522992U Double mode automatic switching line control earphone | 
| 04/02/2014 | CN203522991U Prompting device microphone special-purpose frame | 
| 04/02/2014 | CN203522990U Highly-sensitive wireless microphone with far data transmission distance | 
| 04/02/2014 | CN203522989U Microphone damping device and microphone | 
| 04/02/2014 | CN203522988U Microphone apparatus and terminal | 
| 04/02/2014 | CN203522987U Plastic stretchable noise-reduction sound-insulation screen for microphone | 
| 04/02/2014 | CN203522986U Subwoofer vibration damping base | 
| 04/02/2014 | CN203522985U Water dance sound box | 
| 04/02/2014 | CN203522984U Robot USB resonant sound box | 
| 04/02/2014 | CN203522983U Multipurpose sound box based on Bluetooth communication | 
| 04/02/2014 | CN203522982U Novel bluetooth loudspeaker box | 
| 04/02/2014 | CN203522981U Sound box device having air purification performance | 
| 04/02/2014 | CN203522980U Passive radiating body of sound box | 
| 04/02/2014 | CN203522979U Sound apparatus capable of spraying water | 
| 04/02/2014 | CN203522978U Enclosed tellurion sound box | 
| 04/02/2014 | CN203522977U Collapsible mosquito speaker | 
| 04/02/2014 | CN203522976U Sound box | 
| 04/02/2014 | CN203522975U Sound box | 
| 04/02/2014 | CN203522974U Sound box | 
| 04/02/2014 | CN203522973U Aroma loudspeaker | 
| 04/02/2014 | CN203522972U Garden loudspeaker | 
| 04/02/2014 | CN203522971U Horn support assembling structure without screws | 
| 04/02/2014 | CN203522970U Rotatable portable sound equipment | 
| 04/02/2014 | CN203522969U Mini-speaker | 
| 04/02/2014 | CN203522968U Enclosed sound box with internally installed fragrance lamp | 
| 04/02/2014 | CN203522967U Novel easily-put loudspeaker box | 
| 04/02/2014 | CN203522966U Loudspeaker box for notebook computer | 
| 04/02/2014 | CN203522965U Adjustable vibration-proof sound foot | 
| 04/02/2014 | CN203522737U Multi-party intercommunication bluetooth headset | 
| 04/02/2014 | CN203522712U Continuous multi-bit analog-to-digital converter for digital microphone | 
| 04/02/2014 | CN203520625U Universal earphone full-wave rectification infrared remote controller | 
| 04/02/2014 | CN203520251U Intelligent ipad and externally-arranged loudspeaker box installation structure thereof | 
| 04/02/2014 | CN203505690U Cap with Bluetooth music and call functions | 
| 04/02/2014 | CN103703795A Piezoelectric vibration device and portable terminal using same | 
| 04/02/2014 | CN103703792A Bone transmission earphone | 
| 04/02/2014 | CN103702615A Ultrasound probe and ultrasound diagnostic device | 
| 04/02/2014 | CN103702260A Novel auto-boosting loudspeaker | 
| 04/02/2014 | CN103702259A Interacting device and interacting method | 
| 04/02/2014 | CN103702258A Microphone device and microphone setting method for eliminating interference of near-field sound source | 
| 04/02/2014 | CN103702257A Headset type earphone with multi-angle adjustment | 
| 04/02/2014 | CN103702256A Anti-disturbance headset | 
| 04/02/2014 | CN103702255A Tape measure type music earphone | 
| 04/02/2014 | CN103702254A Monaural music headphone | 
| 04/02/2014 | CN103702253A Information processing method and electronic equipment | 
| 04/02/2014 | CN103702252A Repositionable control system and method for using the same | 
| 04/02/2014 | CN103702251A Earphone seat | 
| 04/02/2014 | CN103702250A Sport MP3 (moving picture experts group audio layer-3) | 
| 04/02/2014 | CN103702249A Headphone interface device and control method based on the headphone interface device | 
| 04/02/2014 | CN103702248A Microphone with sterilization device | 
| 04/02/2014 | CN103702247A Bone conduction receiver mounting method and mobile terminal | 
| 04/02/2014 | CN103702246A Portable minitype speaker | 
| 04/02/2014 | CN103702245A Portable minitype speaker | 
| 04/02/2014 | CN103702244A Portable minitype speaker | 
| 04/02/2014 | CN103702243A Portable minitype speaker | 
| 04/02/2014 | CN103702242A Electronic device | 
| 04/02/2014 | CN103702047A Audio conversion device and television system | 
| 04/02/2014 | CN103697354A LED (light emitting diode) illumination device and stereophonic sound Bluetooth sound box system | 
| 04/02/2014 | CN103692186A Automatic assembly machine for earphone | 
| 04/02/2014 | CN103689964A Pillow | 
| 04/02/2014 | CN102447990B Adjustable earphone on headrest | 
| 04/02/2014 | CN102387429B Audio signal switching device and audio signal transmission system | 
| 04/02/2014 | CN102361501B Multi-point excitation loudspeaker array | 
| 04/02/2014 | CN102300138B Detachable earphone | 
| 04/02/2014 | CN102014325B In-ear earphone | 
| 04/02/2014 | CA2791421A1 Material sound blaster | 
| 04/01/2014 | US8687838 Speaker unit | 
| 04/01/2014 | US8687837 Electroacoustic transducer |