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)
10/2005
10/19/2005CN2735694Y 一种扬声器 A speaker
10/19/2005CN2735693Y Microphone with MP3 capable of recording
10/19/2005CN2735692Y Loudspeaker configuration structure for hand-held electronic apparatus
10/19/2005CN2735691Y Multi-channel audio combination device
10/19/2005CN2734679Y Convenient microphone storage bag
10/19/2005CN2733887Y Angle sensor for synchronously controlling trusses of large-scale sprinkler
10/19/2005CN1685761A Loudspeaker
10/19/2005CN1685760A Drive mechanism
10/19/2005CN1685481A Equipment and method for manufacturing semiconductor device
10/19/2005CN1684551A Surround sound positioning tower system and method
10/19/2005CN1684545A Loud speaker system
10/19/2005CN1684377A 无线耳机系统 Wireless Headset System
10/19/2005CN1684142A Noise inhibiting method in vertical array receiving signal cross spectrum arra yevaluation in sea
10/19/2005CN1224295C Loudspeaker installation structure
10/18/2005US6957049 Mobile communication unit with bone conduction speaker
10/18/2005US6956956 Speaker installation and method
10/18/2005US6956792 Openwork shell projector
10/18/2005US6956492 Display signs comprising a flat panel loudspeaker
10/18/2005US6955241 Speaker unit for low frequency reproduction
10/18/2005CA2332238C Speaker system
10/13/2005WO2005096665A1 Distributed acoustic cabinet
10/13/2005WO2005096664A1 Hybrid speaker and hybrid speaker unit
10/13/2005WO2005096599A1 Talking device using bone conduction speaker
10/13/2005WO2005096598A1 Portable telephone
10/13/2005US20050226456 Loudspeaker edge
10/13/2005US20050226454 Recessed speaker box and mount
10/13/2005US20050226453 Earphone
10/13/2005US20050226452 Behind-the-head mounted personal audio set
10/13/2005US20050226451 Helmet-Mounted Intercommunications and Entertainment System
10/13/2005US20050226450 Unidirectional dynamic microphone
10/13/2005US20050226449 Massage speaker unit
10/13/2005US20050226441 Speaker system
10/13/2005US20050226436 Noise-protecting arrangement for ear protector
10/13/2005US20050226433 Headset incorporating an integral light
10/13/2005US20050225497 Beam forming array of transducers
10/13/2005US20050224282 Sound focus speaker of gas-filled sound lens attachment type
10/13/2005US20050224281 Speaker assembly
10/13/2005US20050223877 Sound system and method for creating a sound event based on a modeled sound field
10/13/2005DE202005012689U1 Cylindrical body for cordless microphone has electrical extension on top with bearing member holding head with acoustic transducer and wind protection layer made of foam material
10/13/2005DE202005009876U1 Acoustic signals head-phones system e.g. for reception of music, has cable-less headphones provided, in addition, with terminal for cable receiving acoustic signals
10/13/2005DE202005009007U1 Loudspeaker group for mounting on appliance, such as audio -/video appliance, has opposite facing inward-directed surfaces of loudspeakers displaceable relative to one another to form space for appliance
10/13/2005DE102004038033B3 Verfahren zur Herstellung einer Antennensektion einer Unterwasserantenne und Antennensektion für eine flächenhafte Unterwasserantenne Method of manufacturing an antenna section of an underwater antenna and antenna section for a two-dimensional underwater antenna
10/13/2005DE10130910B4 Vibrationslautsprecher Vibration speaker
10/12/2005EP1585364A1 System for generating an ultrasonic beam
10/12/2005EP1585363A2 Improved audio frequency speaker
10/12/2005EP1585361A1 Headset with hearing aid functionality
10/12/2005EP1585360A1 Power supply of phantom power supplied microphones
10/12/2005EP1585359A1 Remote control of phantom power supplied microphones
10/12/2005EP1585108A2 Acoustic waveguide system containing a trunk waveguide and a number of branch waveguides
10/12/2005EP1584217A1 Set-up method for array-type sound system
10/12/2005EP1584215A1 Loudspeaker system with extended output and field cancellation
10/12/2005EP1584001A1 Portable tight device with an electro-acoustic transducer
10/12/2005CN2733795Y Horn sound source input switching structure
10/12/2005CN2733794Y Guide tube for small-size sound box
10/12/2005CN2733793Y Adjustable wireless earphone
10/12/2005CN1682566A Calibrating a first and a second microphone
10/12/2005CN1682441A Electrical impedance based audio compensation in audio devices and methods therefor
10/12/2005CN1681409A Communication apparatus and helmet
10/11/2005US6954652 Portable telephone apparatus and audio apparatus
10/11/2005US6954539 Speaker
10/11/2005US6954406 Acoustical source and transducer having, and method for, optimally matched acoustical impedance
10/11/2005US6954405 System for housing an audio system in an aquatic environment
10/11/2005US6952967 Ultrasonic transducer
10/11/2005US6952874 Two-stage phasing plug system in a compression driver
10/06/2005WO2005094121A1 Piezoelectric acoustic element, acoustic device and portable terminal device
10/06/2005WO2005094118A1 Oscillation echo canceller system
10/06/2005WO2005094117A1 Integrated electro acoustic equipment with portable compact construction for sound applications
10/06/2005WO2005091809A2 Optimum driver spacing for a line array with a minimum number of radiating elements
10/06/2005US20050222487 Low acceleration sensitivity microphone
10/06/2005US20050221867 Handheld device loudspeaker system
10/06/2005US20050220448 Water/drip-proof structure for acoustic member and electronic apparatus having the same
10/06/2005US20050220320 Speaker for mobile terminals and manufacturing method thereof
10/06/2005US20050220319 Earphones / earbuds
10/06/2005US20050220318 Earmuff structure for headset or ear protector
10/06/2005US20050220317 Ergonomic earphone
10/06/2005US20050220311 Method and apparatus to generate an audio beam with high quality
10/06/2005US20050218694 Trim panel assembly and method of manufacture
10/06/2005US20050217927 Single and multiple reflection wave guide
10/06/2005US20050217926 Mobile station with sound speaker
10/06/2005DE102005011899A1 Ear padding for headphones has a ring-shaped padding body directed towards the temples of a user's head and an ear padding overhang
10/06/2005DE102005011664A1 Mehrfunkions-Lautsprecher Mehrfunkions speakers
10/06/2005DE102004017773A1 Rahmen für ein Lautsprechermodul, Lautsprechermodul darauf, und elektronische Vorrichtung mit Lautsprechermodul Framework for a speaker module, speaker module out and electronic device with speaker module
10/06/2005CA2561021A1 Oscillation echo canceller system
10/05/2005EP1583392A1 Audio information support system
10/05/2005EP1583391A1 A communications unit with arrangment for loud reproduction of sound
10/05/2005EP1583332A2 Mobile station with sound
10/05/2005EP1582088A2 Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance
10/05/2005EP1582085A2 Audio speaker crossover having two or more filter housings
10/05/2005EP1582049A2 Two-way voice communication device having external acoustic noise reduction
10/05/2005EP1581926A2 Stereo imaging manifold and method for use in a portable electronic device
10/05/2005CN2731891Y Rotating curved face mic
10/05/2005CN2731889Y 多媒体装置 Multimedia devices
10/05/2005CN2731886Y Sorrounding sound channel loudspeaker box
10/05/2005CN2731885Y Mic able to download, store and play karaoke songs
10/05/2005CN2731884Y Mic able to download, store and play karaoke songs
10/05/2005CN2731883Y Mic able to download, store and play karaoke songs
10/05/2005CN2731882Y Automotive antitheft horn
10/05/2005CN2731881Y Fixer for LED
10/05/2005CN2731880Y Blue tooth radio earphone wit connector
10/05/2005CN1679373A Dynamic micro speaker with dual suspension
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