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)
05/2008
05/28/2008CN201066920Y Lighting earphone
05/28/2008CN201066919Y 耳塞 Earplug
05/28/2008CN201066918Y Common source earplug
05/28/2008CN201066917Y Telescopic earphone
05/28/2008CN201066916Y Round angle sound box frame structure
05/28/2008CN101189912A Audio device and audio beam control method
05/28/2008CN101188873A Earphones
05/27/2008US7379558 Loudspeaker with integrated spider standoff ring
05/27/2008US7379556 Speaker device
05/27/2008US7379554 Drive unit for electro-acoustic converter with dual magnetic circuits sharing permanent magnet
05/27/2008US7379553 Sound source search system
05/27/2008US7379224 Electrochromic rearview mirror assembly incorporating a display/signal light
05/27/2008US7377666 Illuminated ear protector
05/27/2008US7377358 Frame for speaker device and speaker device
05/27/2008CA2476377C Earphone structure with a composite sound field
05/22/2008WO2008059928A1 Speaker unit
05/22/2008WO2008059802A1 Speaker system
05/22/2008WO2008059599A1 Speaker
05/22/2008WO2008059587A1 Speaker
05/22/2008WO2008059151A1 Automobile vehicle subassembly for securing a fittings grid
05/22/2008WO2008027439A3 Speaker
05/22/2008US20080119241 Charging arrangement for electronic accessories
05/22/2008US20080118098 Ultra low frequency transducer and loud speaker comprising same
05/22/2008US20080118097 Speaker
05/22/2008US20080118091 Alerting system for a communication device
05/22/2008US20080118078 Acoustic system, acoustic apparatus, and optimum sound field generation method
05/22/2008US20080118053 Speak-up
05/22/2008CA2667861A1 Speaker system
05/21/2008EP1924061A1 Keypad and microphone arrangement
05/21/2008EP1923866A1 Sound source separating device, speech recognizing device, portable telephone, and sound source separating method, and program
05/21/2008EP1922897A2 Acoustic light-emitting device
05/21/2008CN201063856Y Combined speaker
05/21/2008CN201063855Y Plate speaker
05/21/2008CN201063854Y Sound box capable of telescopic bending
05/21/2008CN201063853Y Sound box with extended structure
05/21/2008CN201063852Y Individual acoustics system
05/21/2008CN201063840Y Loudspeaker device
05/21/2008CN201063839Y Metal sound-guiding tube
05/21/2008CN201063838Y Microphone composite set
05/21/2008CN201063837Y Gamut high-fidelity sound post
05/21/2008CN201063836Y Ultra-thin type loudspeaker
05/21/2008CN201063835Y Sound source plug replaceable earphone
05/21/2008CN201063834Y Line changeable earplug
05/21/2008CN201063833Y Voice device
05/21/2008CN201063832Y Novel ear-entering type earphone
05/21/2008CN201063831Y Health care earphone
05/21/2008CN201063830Y Ear non-nociceptive earphone
05/21/2008CN201063829Y Bluetooth earphone
05/21/2008CN201063828Y Earphone of housing extension microphone arm
05/21/2008CN201063827Y Post-hanging earphone with metal hanging cover
05/21/2008CN201063826Y Hanging type earplug machine with microphone
05/21/2008CN201063825Y Earphone with socket
05/21/2008CN201063824Y Radio microphone receiver
05/21/2008CN201063823Y Microphone with liquid crystal screen
05/21/2008CN201063822Y Embedded loudspeaker for computer
05/21/2008CN201063821Y Sound equipment seat
05/21/2008CN201063820Y Portable sound equipment
05/21/2008CN201063819Y Vehicle-mounted loudspeaker
05/21/2008CN201063818Y Minisize loudspeaker
05/21/2008CN201063817Y Cylinder type amusement sound box
05/21/2008CN201063816Y Multimedia amusement sound box
05/21/2008CN201063620Y Bluetooth earphone and ear-hanging device thereof
05/21/2008CN201061978Y Deeply silkscreened corpus cavernosum
05/21/2008CN101185369A Wind noise rejection apparatus
05/21/2008CN101185368A Assembly, system and method for acoustic transducers
05/21/2008CN101185367A Loudspeaker horn
05/21/2008CN101185366A Headset
05/21/2008CN101184344A Ear hanging earphone
05/21/2008CN101184343A 8 core non-shielding netting wire based audio transmission system
05/21/2008CN100389636C Loudspeaker system for display device
05/20/2008US7376048 Underwater sound projector and underwater sound projection method
05/20/2008US7376045 System and method for determining positions of towed marine seismic streamers
05/20/2008CA2401983C Folded sagnac sensor array
05/15/2008WO2008056258A2 Loudspeaker system
05/15/2008WO2008055417A1 An earphone structure
05/15/2008WO2008014324A3 Multiple microphone system
05/15/2008US20080114224 Methods and systems for acoustic data transmission
05/15/2008US20080112588 Loudspeaker stand and mount for a loudspeaker stand
05/15/2008US20080112587 Loudspeaker
05/15/2008US20080112574 Directional audio signal processing using an oversampled filterbank
05/15/2008US20080112572 Earphone and media player
05/15/2008US20080112567 Headset-derived real-time presence and communication systems and methods
05/15/2008DE202008003334U1 Befestigungsvorrichtung für einen an der Decke montierbaren Lautsprecher Fastening device for a speaker mounted on the ceiling
05/15/2008DE102006052769A1 Identifikationssystem Identification system
05/15/2008DE102006038598A1 Ultrasound producing device e.g. ultrasonic sensor such as distance sensor, for motor vehicle i.e. passenger car, has ultrasonic transducer mechanically coupled to thin-walled inner side of bumper
05/14/2008EP1921890A2 Sound beam loudspeaker system
05/14/2008EP1921889A1 Headphone and ear pad
05/14/2008EP1921888A1 Loudspeaker system
05/14/2008EP1921887A2 Loudspeaker stand and bracket for a loudspeaker stand
05/14/2008EP1921886A1 Voice output device and method, program, and room
05/14/2008EP1921746A1 Electronic circuit for the adjustment of the output power and / or frequency characteristic of the power amplifier for a hearing aid
05/14/2008CN201061181Y Active speaker
05/14/2008CN201060644Y Clarion with high pitch phase stuff
05/14/2008CN201057812Y Mounting for thread rope
05/14/2008CN101180914A Headset with adjustable boom
05/14/2008CN101179875A Thin type high pitch loudspeaker
05/14/2008CN101179871A Earphone and audio play device
05/14/2008CN101179870A Electroacoustic transducer and electroacoustic transducing method
05/14/2008CN101179869A Hearing system with hearing transmitter and bandwidth transmitter
05/14/2008CN101179286A Session television terminal and method of accessing to audio
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