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)
11/2008
11/12/2008CN201150122Y Backpack earphone
11/12/2008CN201150121Y Mechanical passive antivibration earphone
11/12/2008CN201150120Y Earphone capable of exchanging line
11/12/2008CN201150119Y Earphone with steriliser
11/12/2008CN201150118Y Ear-insertion type earphone
11/12/2008CN201150117Y Arm portable bag-binding apparatus matching with battery microphone host
11/12/2008CN201150116Y Folding type case type acoustic enclosure
11/12/2008CN201150115Y Portable split acoustic enclosure
11/12/2008CN201149678Y Split type touch screen wireless keyboard
11/12/2008CN201149323Y Super-bath with acoustic enclosure
11/12/2008CN101305640A Arrangement for optimizing the frequency response of an electro-acoustic transducer
11/12/2008CN101305639A Portable terminal
11/12/2008CN101304621A Noise reducing apparatus and audio regeneration apparatus
11/12/2008CN101304620A Earphone with adjustable audio direction or stereophony effect
11/12/2008CN101304619A Wireless earphone and audiofrequency apparatus as well as audio frequency play method
11/12/2008CN101304618A Microphone
11/11/2008US7450976 Portable electronic device
11/11/2008US7450733 Speaker with externally mounted acoustic extension
11/11/2008US7450731 Hearing aid device and corresponding operating method
11/11/2008US7450726 Headset detector in a device generating audio signals
11/11/2008US7450149 Conferencing system with integrated audio driver and network interface device
11/11/2008US7448467 Acoustic enclosures
11/06/2008WO2008133504A1 Highly directive endfire loudspeaker array
11/06/2008WO2008086166A3 Microphone techniques
11/06/2008WO2008027866A3 Acoustic transducer
11/06/2008WO2007140361A3 Automotive balanced microphone system and method of forming same
11/06/2008WO2007130341A3 Normalization and calibration of microphones in sound- intensity probes
11/06/2008US20080273740 Speaker
11/06/2008US20080273738 Inflatable Loudspeaker Enclosure
11/06/2008US20080273737 Headphone
11/06/2008US20080273734 Combined power and audio dock for handheld device
11/06/2008US20080271220 Wearable Electronic Device
11/06/2008DE10346593B4 Schallerzeuger Sound generator
11/06/2008DE102007021395A1 Mikrofoneinheit Microphone unit
11/06/2008CA2685403A1 Highly directive endfire loudspeaker array
11/05/2008EP1987986A2 Vehicle external speaker and communication system
11/05/2008EP1987697A1 Method and system for creating non-occluding earpieces
11/05/2008EP1386415A4 Parametric virtual speaker and surround-sound system
11/05/2008EP1279322A4 Sound enhancing speaker cabinet for a removable speaker assembly
11/05/2008CN201146601Y Horn loudspeaker box with flexible loudspeaker
11/05/2008CN201146595Y Pronunciation apparatus of portable megaphone
11/05/2008CN201146594Y Microphone
11/05/2008CN201146593Y Earphone module group with received line body
11/05/2008CN201146592Y Noise-proof earphone
11/05/2008CN201146591Y Accordions microphone
11/05/2008CN201146590Y Multimedia loudspeaker of MP3 player
11/05/2008CN201146589Y Loudspeaker
11/05/2008CN201146503Y Composite device of bluetooth earphone and charging frame
11/05/2008CN201146054Y MP3 player protector
11/05/2008CN201146053Y Wale-shaped MP3 player
11/05/2008CN101300893A Converter system for an active noise compensation
11/04/2008US7448057 Audiovisual reproduction system
11/04/2008US7447529 Modular communications devices
11/04/2008US7447328 Loudspeaker
11/04/2008US7447327 Flexible PCB voice coil connector
11/04/2008US7447326 Condenser microphone
11/04/2008US7447322 Speaker having a transparent panel
11/04/2008US7447320 Vehicle accessory microphone
11/04/2008US7447318 System for using digital signal processing to compensate for power compression of loudspeakers
11/04/2008US7447316 Speaker system
11/04/2008US7445332 Wireless interactive headset
10/2008
10/30/2008WO2008129767A1 Acoustic reproduction device
10/30/2008WO2008128989A1 Voice and position localization
10/30/2008WO2008094478A3 Durable and/or waterproof music earwear for helmets/headgear
10/30/2008US20080268912 Wireless headphone
10/30/2008US20080267592 Jewelry display box with digital output apparatus
10/30/2008US20080267440 Article of manufacture integrated with music and telephonic communication devices
10/30/2008US20080267438 Earphone and tuning module of speaker for the earphone
10/30/2008US20080267431 Mems Microphone
10/30/2008US20080267430 Ear-hanging Microphone
10/30/2008US20080267422 Microphone Array and Digital Signal Processing System
10/30/2008DE202008005845U1 Ohrhörer-Abspielbox Earphone Abspielbox
10/30/2008CA2683824A1 Voice and position localization
10/29/2008EP1986464A1 Highly directive endfire loudspeaker array
10/29/2008EP1985153A1 Improved suspension device for microphone
10/29/2008EP1369005A4 Rigging system for loudspeakers
10/29/2008EP1254585A4 Miniature microphone
10/29/2008CN201142757Y Vari-directional microphone using analogue signal processor
10/29/2008CN201142756Y Line array type loudspeaker
10/29/2008CN201142755Y Ear-ring shaped headphone
10/29/2008CN201142754Y Headphone wire winding box
10/29/2008CN201142753Y Anti-confusion headphone wire clip
10/29/2008CN201142752Y Novel earplug
10/29/2008CN201142751Y Headphone clip
10/29/2008CN201142750Y Microphone path pipe
10/29/2008CN201142749Y Microphone clip
10/29/2008CN201142748Y Electric appliance component with loudspeaker
10/29/2008CN201142747Y Vibration damping loudspeaker for television set
10/29/2008CN201142746Y Loudspeaker
10/29/2008CN201142743Y Headphone interface circuit and mobile phone with the same
10/29/2008CN201142111Y Bluetooth anti-theft device and Bluetooth earphone
10/29/2008CN101297593A A hearing device with an open earpiece having a short vent
10/29/2008CN101297589A Audio system
10/29/2008CN101297587A 拾音装置和语音会议设备 Pickup device and voice conferencing equipment
10/29/2008CN101297586A 音频信号发送/接收装置 The audio signal transmitting / receiving means
10/29/2008CN101297585A System and method and for controlling a device using position and touch
10/29/2008CN101296531A Silicon capacitor microphone array
10/29/2008CN101296528A Sound-wave path-length correcting structure for speaker system
10/29/2008CN101296527A Audio line concealing and containing structure
10/29/2008CN100428922C Ultrasound wave beautying device
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