Patents for H04R 1 - Details of transducers (42,173)
07/2008
07/02/2008EP1940197A1 Noise reducing device with controlled switching of noise reducing characteristics
07/02/2008EP1940195A2 Sound outputting apparatus, sound outputting method, sound output processing program and sound outputting system
07/02/2008EP1938654A2 Headset with flashing light emitting diodes
07/02/2008EP1166595B1 Geophone with mounted connectors
07/02/2008CN201081865Y Head-wearing type earphone positioning structure
07/02/2008CN101213868A Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker
07/02/2008CN101213867A Bone vibration sound seat
07/02/2008CN101212838A Sound box structure and mobile electronic device employing the sound box structure
07/02/2008CN101212829A Loudspeaker structure
07/02/2008CN101212828A Electronic device and sound module of the electronic device
07/02/2008CN101212827A Audio output device
07/02/2008CN101212826A Combined loudspeaker unit and outer board structure
07/02/2008CN101212825A Telescopic earphone
07/02/2008CN101212824A Speaker apparatus and display apparatus with speaker
07/02/2008CN101211650A Audio frequency playing apparatus and its earphone used therefore, automatic control method
07/02/2008CN101211197A Notebook-type computer possessing telescoping earphone
07/02/2008CN101210832A Optical fiber grating sonic device
07/02/2008CN100399861C Array speaker detector, array speaker device and its distributing line judging method
07/02/2008CN100399782C Electroacustic transducer
07/02/2008CN100398224C Frequency and amplitude apodization of transducers
07/01/2008US7394912 Audio headband device
07/01/2008US7394910 Ambidextrous earpiece
07/01/2008US7394905 Voice amplifier for mask
07/01/2008US7392880 Dual range horn with acoustic crossover
06/2008
06/26/2008WO2008074127A1 Sound volume automatic adjustment method and system
06/26/2008US20080152185 Direct digital drive audio system and method
06/26/2008US20080152184 Collapsible speaker system
06/26/2008US20080152181 Portable audio system having waveguide structure
06/26/2008US20080152180 Film-Type Audio Output Apparatus
06/26/2008US20080152179 Virtual sound effect device of remote control model
06/26/2008US20080152171 Deep sub-micron mos preamplifier with thick-oxide input stage transistor
06/26/2008US20080152164 Portable audio system with docking cradle
06/26/2008US20080152163 Earbud coupling
06/26/2008US20080152162 Passive Headphone Equalizing
06/26/2008US20080152160 Methods and apparatus for wireless stereo audio
06/26/2008US20080151694 Passive long range acoustic sensor
06/26/2008DE202008004353U1 Videospieler mit drahtloser Audioübertragung und dessen drahtloses Audioübertragungsmodul Video player with wireless audio transmission and its wireless audio transmission module
06/26/2008DE202007018429U1 Kopfhörer Headphone
06/26/2008DE10392274B4 Am Ohr festzuklemmendes Headset On ear headset to be clamped
06/26/2008DE102006062246A1 Earphone, particularly in-ear phone, comprises sound receiver, which is provided for receiving sound in auditory canal and electroacoustic transducer, which is provided for reproducing audio signals
06/26/2008DE102006060796A1 Underwater antenna for fixing on body wall of vehicle body of underwater vehicle, has acoustic transparent cladding body prearranged in sound incidence direction of converters
06/26/2008DE102006060723A1 Anordnung mit durch Schwingungen betriebenen Klangkörpern Arrangement operated by vibrations ensembles
06/26/2008DE102004050599B4 Kommunikationseinrichtung für ein Fahrzeug Communication device for a vehicle
06/26/2008CA2665807A1 Sound volume automatic adjustment method and system
06/25/2008EP1937031A1 Earbud coupling
06/25/2008EP1937030A1 Electronic device with detachable anti-vibration speaker assembly
06/25/2008EP1936689A1 Deep sub-micron MOS preamplifier with thick-oxide input stage transistor
06/25/2008EP1935210A2 In-wall loudspeaker
06/25/2008EP1935103A1 Electronic device, system, chip and method enabling a radio signal reception
06/25/2008EP1551242A4 Communication apparatus and helmet
06/25/2008CN201078857Y Acoustic frequency apparatus
06/25/2008CN201078856Y Speaker support frame
06/25/2008CN201078855Y MP3, MP4 external connection power amplifier
06/25/2008CN101208989A Apparatus, system and method for acoustic signals
06/25/2008CN101208987A A speaker apparatus in a wireless communication device
06/25/2008CN101208986A Compact portable media reproduction system
06/25/2008CN101208985A Stand system with integrated electrical plug for portable electronic devices
06/25/2008CN101208940A A speaker apparatus combining earpiece and hands free functions
06/25/2008CN101207938A Bone conduction speaker connecting device
06/25/2008CN101207937A 扬声器系统 Speaker system
06/25/2008CN101207936A Portable audio system having waveguide structure
06/25/2008CN101207935A Earbud coupling
06/25/2008CN101207934A Integrated telescopic microphone support device
06/25/2008CN101207933A Speaker system for a vehicle
06/25/2008CN101207932A Bone induction audio frequency bidirectional transmitting/receiving device
06/25/2008CN101207391A Portable audio system with docking cradle
06/25/2008CN100397954C Loundspeaker
06/25/2008CN100397952C Method of mode resonance frequency distribution of plate of acoustic device
06/25/2008CN100397852C Loudpeaker system, mobile terminal apparatus and electronic apparatus
06/25/2008CN100397673C Piezoelectric element and oscillating converter with piezoelectric element
06/24/2008US7391879 Loudspeaker
06/24/2008US7391873 Microphone with voltage pump
06/24/2008US7391862 Communication unit
06/19/2008WO2008073953A2 Laser inclinometer audio direction
06/19/2008WO2008045983A3 Microphone microchip device with internal noise suppression
06/19/2008US20080146294 Speaker clearance arrangement for a communication device
06/19/2008US20080144879 Speaker set and mobile phone incorporating the same
06/19/2008US20080144878 Earbud adapter
06/19/2008US20080144872 Headgear and integrated music player
06/19/2008US20080144870 Earbud adapter
06/19/2008US20080144864 Audio Apparatus And Method
06/19/2008US20080144860 Adjustable Resolution Volume Control
06/19/2008US20080144854 Biologically fit wearable electronics apparatus and methods
06/19/2008US20080143819 Conference link between a speakerphone and a video conference unit
06/19/2008US20080143496 Apparatus, method, and computer program product providing sound-produced tactile feedback
06/19/2008DE102007016582B3 Magnetostatic loudspeaker, in particular low range loudspeaker, has two partly magnetically conductive housing shells which are carried against permanent magnetic arrangement of repulsive magnetization
06/18/2008EP1933588A1 Sound transmitting membrane, electronic part with sound transmitting membrane, and process for producing circuit board having the electronic part mounted thereon
06/18/2008EP1188353A4 Bandpass loudspeaker system
06/18/2008CN201075187Y Computer cabinet for adjusting sounding volume by hand grip
06/18/2008CN201075028Y High sensitivity fiber grating underwater sound sensor
06/18/2008CN101204117A Portable speakers with separate enclosures
06/18/2008CN101204116A Inflatable loudspeaker enclosure
06/18/2008CN101203067A Vibration transducer
06/18/2008CN101203059A Earphone for playing environment sound
06/18/2008CN101203058A Blue tooth earphone with draw-out type ear suspension
06/18/2008CN101203057A Ear suspension apparatus with lever dynamic mode control interface
06/18/2008CN101203056A Microphone windguard
06/18/2008CN101203055A Sound box made of paper
06/18/2008CN101203054A Speaker element with connecting line body
06/18/2008CN101202372A Dipole antenna device, earphone antenna device, and wireless communication terminal device connected to the device