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
05/31/2012WO2012070166A1 Converter module and method for producing same
05/31/2012WO2012070042A1 Apparatus and methods for individual addressing and noise reduction in actuator arrays
05/31/2012WO2012069708A1 High fidelty electro-acoustic enclosure and method of manufacture
05/31/2012WO2012068985A1 Pseudo-differential audio input circuit and arrangement method therefor
05/31/2012WO2012051030A3 Communication headset
05/31/2012US20120134526 Pop-up tweeter
05/31/2012US20120134525 Audio interface
05/31/2012US20120134524 Methods and apparatuses for sound production
05/31/2012US20120134523 Integrated television mount and audio system
05/31/2012US20120134518 Cover unit covering openings and an electronic device provided with the cover unit
05/31/2012US20120134304 Acoustic porting for a portable communication device
05/31/2012DE202012100607U1 Vorrichtung zur Anpassung der Klangqualität Device for adjusting the sound quality,
05/30/2012EP2458892A1 Speaker device and method for forming speaker device
05/30/2012EP2458891A1 System and method for microphone polarity detection
05/30/2012EP2458828A1 Electronic device
05/30/2012EP2457383A1 Audio apparatus
05/30/2012EP2457382A1 A sound reproduction system
05/30/2012EP2457367A1 Delegate unit for a conference system, conference system, method for operating the delegate unit and computer program
05/30/2012EP2456604A1 Two-color or multicolor illuminated loudspeaker grille for vehicles
05/30/2012EP1594340B1 Flexible ear piece for a hearing aid
05/30/2012CN202261794U Music center of mobile phone
05/30/2012CN202261793U Base-type combined sound box with digital video playing function
05/30/2012CN202261773U Noise-removing system, intelligent control device and communication equipment
05/30/2012CN202261771U Induction sound production system and sphere thereof
05/30/2012CN202261769U Novel electronic device
05/30/2012CN202261767U Flat type sound box
05/30/2012CN202261766U Automotive sound system
05/30/2012CN202261765U Low-frequency noise silencing box
05/30/2012CN202261764U Electromagnetic induction circuit and magnetic suspension sound box
05/30/2012CN202261763U Star-studded sky type sound box
05/30/2012CN202261762U Omnibearing ribbon type high-frequency equalizing loudspeaker
05/30/2012CN202261761U Medium and long span acoustic structure
05/30/2012CN202261760U Low-frequency reinforcing apparatus and sound box with same
05/30/2012CN202261759U Pet-shaped handicraft card-insertable sound box
05/30/2012CN202261758U Broadcast horn loudspeaker
05/30/2012CN202261757U Novel combined earphone
05/30/2012CN202261756U Earphones
05/30/2012CN202261755U Headphone
05/30/2012CN202261754U Backward-type wireless earphone with TransFLash (TF) card slot
05/30/2012CN202261753U Earplug
05/30/2012CN202261752U Computer headset
05/30/2012CN202261751U Novel headset
05/30/2012CN202261750U Earphone structure with replaceable air guiding pipe
05/30/2012CN202261749U Normally-closed earphone jack
05/30/2012CN202261748U Easily pluggable normally-closed headset jack
05/30/2012CN202261747U Health care headset
05/30/2012CN202261746U Bluetooth earphone with emergency power supply
05/30/2012CN202261745U Multi-purpose earphone jack
05/30/2012CN202261744U Earphones with contractive wire box
05/30/2012CN202261743U Earphone possessing horn playing function
05/30/2012CN202261742U Anti-scaring and hearing-protection earphone
05/30/2012CN202261741U Earphone capable of adjusting length of earphone connecting line
05/30/2012CN202261740U Sound guide type earphone device
05/30/2012CN202261739U Graphite powder tube earphone
05/30/2012CN202261738U Headset capable of being inserted into ears
05/30/2012CN202261737U Earphone with zipper
05/30/2012CN202261736U Incoming and outgoing structure of headphone cable, headphone cable take-up device and electronic equipment
05/30/2012CN202261735U Headphone clip
05/30/2012CN202261734U Touch control earphone
05/30/2012CN202261733U Ventilating earphone device
05/30/2012CN202261732U Anti-oppression circumaural earphone
05/30/2012CN202261731U Earphone
05/30/2012CN202261730U Radiation protection earphone
05/30/2012CN202261729U Earphones with changeable sound conducting tube
05/30/2012CN202261728U Earphone
05/30/2012CN202261727U Earphone and wire control device thereof
05/30/2012CN202261726U Earplug device
05/30/2012CN202261725U Fluorescent special-shaped pipeline
05/30/2012CN202261724U Headset
05/30/2012CN202261723U Double wire division type earphones
05/30/2012CN202261722U Micro-electro-mechanical sound pickup apparatus
05/30/2012CN202261721U Multi-media earplug accessory and multi-media earplug support using the same
05/30/2012CN202261720U Multifunctional earphone
05/30/2012CN202261719U Wireless microphone suitable for blindman
05/30/2012CN202261718U Multi-functional wireless microphone
05/30/2012CN202261717U Sound receiving device and electronic device
05/30/2012CN202261716U Micro frequency modulation wireless microphone with battery
05/30/2012CN202261715U Ear hanging microphone
05/30/2012CN202261714U Journalist interview microphone
05/30/2012CN202261713U Straight tube type wireless microphone with control and display device
05/30/2012CN202261712U 便携式终端 The portable terminal
05/30/2012CN202261711U Integrated energy-saving 2.1 sound-channel sound box
05/30/2012CN202261710U Sound box module
05/30/2012CN202261709U Radiation-proof stereo bracket
05/30/2012CN202261708U Liftable sound box support
05/30/2012CN202261707U Loudspeaker shock absorption structure for laptop
05/30/2012CN202261706U Sound box with stony shell
05/30/2012CN202261705U Rotatable high-pitch loudspeaker box
05/30/2012CN202261704U Improved earplug pad body structure of earphone
05/30/2012CN202261703U Portable sound
05/30/2012CN202261702U Novel bamboo earphone
05/30/2012CN202261701U Multi-point excitation loudspeaker array
05/30/2012CN202261700U Telescopic sound box
05/30/2012CN202261699U Sound box
05/30/2012CN202261698U Soud connector
05/30/2012CN202261697U Electronic device and loudspeaker thereof
05/30/2012CN202261696U Small sound box
05/30/2012CN202261695U Horn shock absorber
05/30/2012CN202261694U Vehicle-mounted sound equipment with double touch control display screens
05/30/2012CN202260521U Digital-acoustical two-in-one charger
1 ... 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 ... 422