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| Application No. | Application Title | Issue Date |
| 20120033822 | EARPHONE HAVING SOUND INSULATION MEANS The present invention relates to an inexpensive environmental noise reduction type inner earphone which allows a user to listen music with high quality of sound and with a small volume under noisy environments making noise of 86 dB or more such as in aircraft seats, sub... | 02/09/2012 |
| 20120014532 | NOISE-CANCELING HEADPHONE A noise-canceling headphone that cancels external noise with a feedforward system includes a driver unit disposed in a housing, a microphone unit that is outwardly disposed in the housing and collects the external noise, and canceling signal generator that generates a n... | 01/19/2012 |
| 20110317844 | Small Stereo Headset A wireless headset device has left a left ear piece, a right ear piece, a control box, and first and second cables. Each of the ear pieces comprises its own speaker and battery. The control box includes circuitry including a short-range radio transceiver, a codec, and a... | 12/29/2011 |
| 20110311069 | RECEIVER ASSEMBLY FOR AN INFLATABLE EAR DEVICE A diaphonic valve utilizing the principle of the Synthetic Jet is disclosed herein. A diaphonic valve pump is provided for the inflation of an in-ear balloon. More complex embodiments of the present invention include stacks of multiple synthetic jets generating orifices... | 12/22/2011 |
| 20110299695 | ACTIVE NOISE CANCELLATION DECISIONS IN A PORTABLE AUDIO DEVICE Active noise cancellation (ANC) circuitry is coupled to the input of an earpiece speaker in a portable audio device, to control the ambient acoustic noise outside of the device and that may be heard by a user of the device. A microphone is to pickup sound emitted from t... | 12/08/2011 |
| 20110286607 | NOISE CANCELING HEADPHONE Noise canceling headphones designed so that external noise coming from all directions can be effectively concerned by means of a canceling sound before being heard by a user. These feed-forward noise canceling headphones use noise canceling headphones (10), each ... | 11/24/2011 |
| 20110280411 | Noise Reduction Circuit With Monitoring Functionality A noise reduction circuit 200 for a headphone 100 is disclosed herein. In a described embodiment, the headphone 100 includes a speaker driver 110 and the circuit 200 comprises a microphone 112 configured to convert ambient sound... | 11/17/2011 |
| 20110261971 | Sound Signal Compensation Apparatus and Method Thereof According to one embodiment, a sound signal compensation apparatus includes an input module, a compensation module, and an output module. The input module receives identification information identifying a first frequency with regard to a resonance of an ear closed by an... | 10/27/2011 |
| 20110243343 | FREQUENCY-DEPENDENT ANR REFERENCE SOUND COMPRESSION Apparatus and method of controlling provision of ANR, possibly of a personal ANR device, in which amplitudes of a piece of audio employed in the provision of ANR are monitored, and the compression of one or both of feedback and feedforward ANR reference sounds is made d... | 10/06/2011 |
| 20110243344 | ANR INSTABILITY DETECTION Apparatus and method of an ANR circuit detecting instances of instability in at least the provision of feedback-based ANR, monitoring audio that includes feedback anti-noise sounds for acoustic output by an acoustic driver for a sound having characteristics indicative o... | 10/06/2011 |
| 20110243345 | VARIABLE ANR TRANSFORM COMPRESSION Apparatus and method of reducing the provision of ANR at an one end of a range of frequencies at which the ANR is provided without reducing the provision of the ANR at the other end of the range of frequencies by repeatedly reconfiguring coefficients of one or more digi... | 10/06/2011 |
| 20110222700 | ADAPTIVE ACTIVE NOISE CANCELLATION SYSTEM A system includes a noise detector configured to identify undesirable noise components in an acoustic signal and a noise energy profiler configured to analyze the identified undesirable noise components and generate a noise energy profile. In the system, a cancelation p... | 09/15/2011 |
| 20110216909 | High Transmission Loss Cushion A headset including an earcup having a front opening adapted to be adjacent to the ear of a user, the earcup extending in a radial direction and an axial direction and defining an earcup volume; and a bellows cushion extending around the periphery of the front opening o... | 09/08/2011 |
| 20110206214 | ACTIVE NOISE REDUCTION SYSTEM A system for actively reducing noise at a listening point, includes an earphone housing, a transmitting transducer, a receiving transducer and a controller. The transmitting transducer converts a first electric signal into a first acoustic signal, and radiates the first... | 08/25/2011 |
| 20110188665 | CONVERTIBLE FILTER Apparatus and method for implementing a convertible filter in differing ones of its delay and weighting elements are powered through different power conductors, thereby enabling the convertible filter to be dynamically configured to be operable as different types of dig... | 08/04/2011 |
| 20110170700 | ACOUSTIC SIGNAL COMPENSATOR AND ACOUSTIC SIGNAL COMPENSATION METHOD According to one embodiment, an acoustic signal compensator includes an acoustic signal receiving module, a compensator, and an output module. The acoustic signal receiving module receives an acoustic signal. The compensator performs compensation on the acoustic signal,... | 07/14/2011 |
| 20110158420 | STAND-ALONE EAR BUD FOR ACTIVE NOISE REDUCTION An ear bud and noise reduction system actively reduce noise in one ear while the user listens with the other ear to an audio sound wave produced by the speaker of an electronic device (e.g., a cell phone or a wireless headset attachable to a single ear). The ear bud inc... | 06/30/2011 |
| 20110150233 | DEVICE FOR AND A METHOD OF PROCESSING A SIGNAL A device (100) for processing a signal, wherein the device (100) comprises a processing unit (101) comprising an input terminal and two output terminals, wherein the processing unit is adapted for receiving a signal (104) at the input termina... | 06/23/2011 |
| 20110142249 | BATTERY RECEIVING MECHANISM FOR NOISE CANCELLATION HEADPHONE Housings on the right/left of the noise cancellation headphone, where a speaker unit is incorporated, are connected to each other with a headband, and a battery receiving portion is provided on a side surface of at least one of the right and left housings, the battery r... | 06/16/2011 |
| 20110135106 | METHOD AND A SYSTEM FOR PROCESSING SIGNALS A system for processing sound, the system including: (a) a processor, configured to process a first input signal that is detected by a first microphone at a detection moment, a second input signal that is detected by a second microphone at the detection moment, and a th... | 06/09/2011 |
| 20110129107 | Communication Headset With A Circumferential Microphone Slot A communication headset (1, 15, 25, 35) comprising a housing (2) and a peripheral slot (5) extending along the periphery (30) of the housing (2) in an intersecting plane (6) that intersects the housing (2). A space (7<... | 06/02/2011 |
| 20110129097 | System, Device, and Method Utilizing an Integrated Stereo Array Microphone The invention relates to an audio device for use proximate a user's ears. The audio device includes first and second audio transmitting/receiving devices that are capable of operating in stereo. The audio device may be used within a system for manipulating audio signals... | 06/02/2011 |
| 20110124381 | Headset with Auxiliary Input(s) for Cell Phone And/Or Other Devices An active-noise-reduction (ANR) headset includes at least one auxiliary connection to an output of at least one device, such as a personal communications, computing, and/or entertainment device. An exemplary headset also includes a primary connection to a two-way radio ... | 05/26/2011 |
| 20110116646 | ELECTRONIC DEVICE AND EXTERNAL EQUIPMENT WITH DIGITAL NOISE CANCELLATION AND DIGITAL AUDIO PATH Electronic devices and accessories are provided that may communicate over wired communications paths. The electronic devices may be portable electronic devices such as cellular telephones or media players and may have audio connectors such as 3.5 mm audio jacks. The acc... | 05/19/2011 |
| 20110116647 | EQUIPMENT WITH OPTICAL PATHS FOR NOISE CANCELLATION SIGNALS Electronic devices are provided that communicate over cables and other communications paths that include optical and electrical paths. A cable may include wires for forming an electrical path and one or more optical fibers for forming an optical path. Connectors at one ... | 05/19/2011 |
| 20110116643 | ELECTRONIC DEVICE AND HEADSET WITH SPEAKER SEAL EVALUATION CAPABILITIES Electronic devices and accessories for electronic devices such as headsets are provided. The electronic devices may produce audio output. The headsets may include earbuds with speakers that play the audio output for a user while the earbuds are located in the user's ear... | 05/19/2011 |
| 20110091047 | Active Noise Control in Mobile Devices A three dimensional area of quiet is created by an active noise cancellation system comprising a reference microphone receiving background noise and sending the noise signal to an adaptive active noise canceller. An adaptive filter system using weights updated by a leas... | 04/21/2011 |
| 20110064238 | MICROPHONE/SPEAKER DEVICE Embodiments provide a microphone/speaker assembly such as a headphone or headset which comprises a mechanical acoustical low pass filter between the microphone and the speaker so as to effectively attenuate higher frequencies fed back to the microphone. The low pass fil... | 03/17/2011 |
| 20110051947 | ELECTRONIC CIRCUIT FOR HEADSET An electronic circuit (100) is disclosed for processing signals (20L, 20R) originating from respective signal recorders (20) integrated in respective earpieces of a headset. The electronic circuit comprises a first input... | 03/03/2011 |
| 20110044463 | DEVICE TO ENHANCE AN EAR BUD The present invention relates to a device to enhance an ear bud including a headband coupled to one or more ear pads. The ear pad being formed of a material for providing dampening of ambient sound and physiologic compression. For example, the pad can be formed of a vis... | 02/24/2011 |
| 20110044464 | FEEDFORWARD ANR DEVICE ACOUSTICS An earpiece of an ANR device incorporates one or more of feedforward-based ANR; feedback-based ANR; passive noise reduction (PNR) of environmental noise sounds in the environment external to the casing of the earpiece in higher audible frequencies; a controlled leak aco... | 02/24/2011 |
| 20110044465 | FEEDFORWARD ANR DEVICE COVER An earpiece of an ANR device incorporates one or more of feedforward-based ANR; feedback-based ANR; passive noise reduction (PNR) of environmental noise sounds in the environment external to the casing of the earpiece in higher audible frequencies; a controlled leak aco... | 02/24/2011 |
| 20110033060 | MODE SWITCHING NOISE CANCELLATION FOR MICROPHONE-SPEAKER COMBINATIONS USED IN TWO WAY AUDIO COMMUNICATIONS An audio host device has an electrical interface having a speaker contact, a microphone contact, and a reference contact. The reference contact is shared by a microphone and a speaker. The reference contact is also directly coupled to a power return plane of the audio h... | 02/10/2011 |
| 20110019834 | HEARING PROTECTOR A hearing protector comprises two protective muffs (1) with passive noise damping, a microphone (3) disposed in at least the one protective muff (1) and connected to an analog and a digital signal processing device (5 and 7, respective... | 01/27/2011 |
| 20110002474 | Active Noise Reduction System Control An active noise reduction system for use with an ear piece uses an ultrasonic signal to determine the acoustic coupling between a speaker and a sensor microphone of the noise reduction system. The determination of the acoustic coupling may be used to adjust the game of ... | 01/06/2011 |
| 20110002476 | AMBIENT NOISE REMOVAL DEVICE An ambient noise removal device includes: a sound signal output section that outputs a sound signal to thereby drive a speaker; a noise detection section that detects an electromotive force produced in the speaker by ambient noise; and a noise cancellation section that ... | 01/06/2011 |
| 20110002475 | EARMUFF AND HEADPHONE An earmuff and a headphone includes: a headband; an ear cup attached to the headband; a baffle board fixed on the ear cup; an ear pad engaged to the baffle board. An air-permeable member provided between the baffle board and the ear pad.... | 01/06/2011 |
| 20100322430 | PORTABLE COMMUNICATION DEVICE AND A METHOD OF PROCESSING SIGNALS THEREIN A portable communication device is disclosed. The portable communication device comprises a speaker adapted to be held to an ear of a user for conveying sound to the user, at least one sensor for sensing sound emanating from said sound conveyed to the user, and a contro... | 12/23/2010 |
| 20100310084 | CANCELLATION OF BONE-CONDUCTING SOUND IN A HEARING PROSTHESIS An hearing prosthesis configured to cancel received bone-conducted sound. The hearing prosthesis comprises: first and second matched microphones configured to be implanted in a recipient in a spaced arrangement such that the first microphone receives air-conducted sound... | 12/09/2010 |
| 20100296666 | APPARATUS AND METHOD FOR NOISE CANCELLATION IN VOICE COMMUNICATION The present invention provides an apparatus and method for noise cancellation of voice communication. The apparatus includes a main body, loudspeaker, in-ear microphone, speaking microphone and adaptive control system. The method includes an external noise microphone ar... | 11/25/2010 |
