Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 1 - Details of transducers
Patents for H04R 1 - Details of transducers (42,173)
05/2012
05/10/2012US20120114159 Microphone and microphone apparatus
05/10/2012US20120114150 Speaker apparatus
05/10/2012US20120114149 Diaphragm for speaker, frame for speaker, dust cap for speaker, speaker and apparatus using them, and method for manufacturing component for speaker
05/10/2012US20120114147 Speaker apparatus
05/10/2012US20120114146 Condenser microphone
05/10/2012US20120114133 Detecting the repositioning of an earphone using a microphone and associated action
05/10/2012US20120114132 Headset with accelerometers to determine direction and movements of user head and method
05/10/2012US20120114131 User configurable headset
05/10/2012DE102011116217A1 Verwendung eines multilevel-pulsweitenmodulierten Signals zur Realzeit-Rauschauslöschung Using a multi-level pulse width modulated signal to the real-time noise cancellation
05/10/2012DE102011108494A1 Fahrzeug-Audiosystem mit türmontierter Lautsprecherhalterung Car audio system with door-mounted speaker bracket
05/10/2012DE102011006563B3 Hörgerät mit verringerter akustischer Windempfindlichkeit Hearing aid with reduced acoustic wind sensitivity
05/10/2012DE102010050472A1 Mikrofonanordnung Microphone array
05/09/2012EP2451189A2 Built-in telescopic earphone structure and terminal device
05/09/2012EP2451188A2 Using accelerometers for left right detection of headset earpieces
05/09/2012EP2451187A2 Headset with accelerometers to determine direction and movements of user head and method
05/09/2012EP2449796A1 Temperature compensated microphone
05/09/2012EP2449794A1 Actuator
05/09/2012EP2449793A1 Processing of an electrical output signal from a loudspeaker
05/09/2012EP2449676A2 A system and a method for providing sound signals
05/09/2012EP2449553A1 Controllable acoustic transducer
05/09/2012CN202218385U Installation structure of loudspeaker horn and loudspeaker box
05/09/2012CN202218384U Sound cavity fixture
05/09/2012CN202218383U Resonance speaker with double voice coils
05/09/2012CN202218382U Coaxial type encircling sound box
05/09/2012CN202218381U Novel portable sound equipment
05/09/2012CN202218380U Intelligent sound producing circuit applied to toy
05/09/2012CN202218379U 反射式音箱 Reflex
05/09/2012CN202218378U Voice box-detachable earphone
05/09/2012CN202218377U Foldable headphone
05/09/2012CN202218376U Head set convenient to assemble
05/09/2012CN202218375U All-direction adjustable headphone
05/09/2012CN202218374U Headphone with improved structure
05/09/2012CN202218373U Headphone
05/09/2012CN202218372U Telescoping headset
05/09/2012CN202218371U Rotary folding headphone
05/09/2012CN202218370U Earphone structure integrated with microphone
05/09/2012CN202218369U Earphones with an adjustable sound effect
05/09/2012CN202218368U Embedded Bluetooth earphone
05/09/2012CN202218367U Binaural-effect resonant earphone
05/09/2012CN202218366U Headset with hook
05/09/2012CN202218365U Voice excitation MIC (Microphone)
05/09/2012CN202218364U SMD microphone terminal assembling structure
05/09/2012CN202218363U Elevating control device for microphone support
05/09/2012CN202218362U Loudspeaker box
05/09/2012CN202218361U Earphone storing mechanism
05/09/2012CN202218360U A personal media device and an integrated audible sound output system combined into the personal media device
05/09/2012CN202218359U Wall sound device having pull switch
05/09/2012CN202218358U Small sound equipment
05/09/2012CN202218288U Improved structure of loudspeaker or receiver and mobile phone using improved structure
05/09/2012CN102449688A Speaker device, audio control device, wall attached with speaker device
05/09/2012CN102447994A Speaker unit and active speaker device
05/09/2012CN102447991A Head phone for automatically saving electricity
05/09/2012CN102447990A Adjustable earphone on headrest
05/09/2012CN102447989A Earphone and acoustic transducer
05/09/2012CN102447988A Earphone
05/09/2012CN102447987A Bluetooth headset
05/09/2012CN102447986A Bluetooth headset performing shooting and rear view system using the same
05/09/2012CN102447985A Microphone device
05/09/2012CN102447984A Multipurpose microphone
05/09/2012CN102447983A Conference speech time limiting device
05/09/2012CN102447820A Multifunctional camera
05/09/2012CN102446431A Combined-type digital learning machine teaching device with wireless earphone and microphone
05/09/2012CN102445988A Input device
05/09/2012CN101883303B BPPA (Band-Pass Phase Adjustment) digital audio processor and sound box processor using same
05/08/2012US8175591 Barrier operator system and method using wireless transmission devices
05/08/2012US8175321 Speaker motor and speaker
05/08/2012US8175320 Single magnet coaxial loudspeaker
05/08/2012US8175319 Interchangeable magnet loudspeaker
05/08/2012US8175318 Speaker
05/08/2012US8175317 Audio reproducing apparatus and audio reproducing method
05/08/2012US8175316 Ear speaker device
05/08/2012US8175312 Directional sound projection system
05/08/2012US8175311 Electroacoustic waveguide transducing
05/08/2012US8175304 Compact loudspeaker system
05/08/2012US8175302 Device for and method of generating a vibration source-driving-signal
05/08/2012US8175299 Condenser microphone mountable on main PCB
05/07/2012DE202012002093U1 Lautsprechersystem mit veränderbarer Richtcharakteristik Speaker system with variable polar pattern
05/07/2012DE202011105860U1 Lautsprecher mit steuerbarer Richtwirkung aus Dipol und Monopol Speakers with a controllable directional effect of dipole and monopole
05/03/2012WO2012057589A2 Multi-beam sound system
05/03/2012WO2012057258A1 Digital transport system, digital transport method and digital transport program
05/03/2012WO2012056063A1 Folding supporting element for mounting loudspeakers on display screens
05/03/2012WO2012056062A1 Supporting device for audiovisual playback apparatuses
05/03/2012WO2012055361A1 Processing method for earphones and user equipment
05/03/2012WO2012015257A3 Necklace-type earphones
05/03/2012WO2011104324A3 Device for humidifying the respiratory air of a user, and the use thereof
05/03/2012US20120106777 Speaker damper and speaker device
05/03/2012US20120106776 Slim Speaker
05/03/2012US20120106775 Speaker
05/03/2012US20120106774 Speaker, and mobile electronic device
05/03/2012US20120106771 Aesthetic Linear Speaker Assembly
05/03/2012US20120106770 Earphone antenna, earphone and electronic device employing the same
05/03/2012US20120106768 Front resonator for a speaker of a wireless device
05/03/2012US20120106767 Shaped loudspeaker
05/03/2012US20120106766 Electronic device
05/03/2012US20120106765 Loudspeaker system and waveshaping unit
05/03/2012US20120106764 Multi-Function Mobile Device Carrying Case
05/03/2012US20120106763 Audio signal processing device, audio signal processing method, and program
05/03/2012US20120106761 Driving interface device adaptive to a flat speaker
05/03/2012DE202012100913U1 Ohrhöreranordnung mit einem integrierten Mikrofon Earphones arrangement with a built-in microphone
05/03/2012DE102011116353A1 Medienverteilungssystem Media distribution system
1 ... 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 ... 422