Featured patents

Mechanically Adjustable Variable Flux Speaker
US 08848968 B1, Sept. 30, 2014, Like poles adjacent, Kevin E. Parrish et al. / Eminence Speaker, LLC (Eminence, US)
A speaker subassembly for a speaker, said speaker subassembly comprising:…

Noise Cancellation System
US 08831238 B2, Sept. 9, 2014, Adjacent ear, Khaldoon Taha Al-Naimi et al. / Wolfson Microelectronics plc (Edinburgh, GB)
A method of controlling a noise cancellation system, for use in an audio device…

Audio Signal Processing Device and Audio Signal Processing Method
US 08873761 B2, Oct. 28, 2014, Pseudo stereophonic, Takao Fukui et al. / Sony Corporation (Tokyo, JP)
An audio signal processing device generating and outputting 2-channel audio…

Acoustical Measuring/Estimation Device
US 08737630 B2, May 27, 2014, Loudspeaker operation, Joseph Sylvester Chang et al. / Advanced Electroacoustics Private Limited (Singapore, SG)
An acoustical estimation device for obtaining an estimation of an acoustical…

Multi-Diameter Speaker Vent Ports
US 08750552 B2, June 10, 2014, Headphone, Louis Barinaga et al. / Microsoft Corporation (Redmond, US)
A speaker assembly, comprising:…

Amplifier Circuit Audio Circuit and Electronic Device
US 08625820 B2, Jan. 7, 2014, With Amplifier, Jean-Luc Charlet et al. / Freescale Semiconductor, Inc. (Austin, US)
An amplifier circuit, comprising:…

Method and Apparatus for Ambient Sound Therapy User Interface and Control System
US 08634572 B2, Jan. 21, 2014, Multiple channel, Louis Fisher Davis, Jr.
An ambient therapy recording and playback system comprising:…

Mounting Panel With Elongated Tongue
US 08600094 B2, Dec. 3, 2013, And microphone, Avraham Kushnirov et al. / Cardo Systems, Inc. (Pittsburgh, US)
A device for mounting a communication headset to a helmet, the device comprising:…

Method and Apparatus for Controlling a Headphone
US 08477955 B2, July 2, 2013, Acoustical Noise or Sound Cancellation, Joseph Craig Engle et al. / Thomson Licensing (Boulogne Billancourt, FR)
A method for controlling a headphone, comprising the steps of:…

Safe In-Ear Earphones
US 08457343 B2, June 4, 2013, Ear insert or bone conduction, Aidao Zhu
A safe in-ear earphone comprising:…

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