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| Number | Title | Issue Date |
| 8111858 | Supra-aural headphone noise reducing An earphone for a supra-aural noise reducing headphone, with a front cavity that includes a foam portion and an open passageway. The foam portion supplements the volumetric dimension of the passageway to improve passive attenuation. ... | 02/07/2012 |
| 8111857 | In-ear headset and in-ear earphone The invention relates to a headset comprising at least one earphone and a headset microphone for registering voice signals of the headset wearer. The headset microphone is fixed to one of the earphones. The earphone comprises at least one electroacoustic transducer,... | 02/07/2012 |
| 7853034 | Ambient noise isolation audio headphones having a layered dampening structure An audio headphone apparatus having ambient noise isolation properties for musicians and sound engineers which allows a user to substantially attenuate ambient noise levels and focus on the electronic audio presented to the headphones. The apparatus utilizes a uniqu... | 12/14/2010 |
| 7813520 | Hearing device and method for supplying audio signals to a user wearing such hearing device There is provided a hearing system comprising: a hearing device to be worn at or in a user's ear for supplying audio signals to said user and comprising a sound attenuation portion for attenuating ambient sound before reaching the user's ear, means for producing aud... | 10/12/2010 |
| 7457428 | Double hearing protection device A double hearing protection system comprises a circumaural hearing protector that covers and encircles the pinnae and an earplug device that is inserted into the ear canal. The earplug portion of the system comprises a tether that is coupled to the interior of a cir... | 11/25/2008 |
| 7370533 | Portable audiometer enclosed within a patient response mechanism housing A portable audiometer for performing hearing testing enclosed within a patient response mechanism housing is disclosed. The audiometer may include a printed circuit board containing circuitry, plugs or other connectors for wired or wireless headphones and bone condu... | 05/13/2008 |
| 7356362 | Headset structure with built-in audio source A headset having a built-in audio source and cable management mechanism is disclosed herein. The headset is composed of two loop-style earpieces and a cable connecting the two earpieces. One earpiece has a built-in audio source such as a MP3 player, an AM/FM receive... | 04/08/2008 |
| 7292704 | Noise attenuating headset Systems and techniques are disclosed for a headset that may be used in an audio system used in a magnetic field. In one aspect, the system includes an inner set portion adapted to fit into an ear canal. A pneumatic port is disposed in the hole to couple audible soun... | 11/06/2007 |
| 7268669 | Personal sensory reduction system, and method The specification shows a personal sensory reduction system for limiting light and sound to a wearer's eyes and ears. A method for reducing the light and sound to eyes and ears is also shown and described. ... | 09/11/2007 |
| 7263195 | In-ear monitor with shaped dual bore A multi-driver in-ear monitor for use with either a recorded or a live audio source is provided. If a pair of drivers is used, each driver has an individual sound delivery tube. If three drivers are used, the outputs from two of the drivers are merged into a single ... | 08/28/2007 |
| 7246385 | Helmet chin-strap harness structure Helmet chin-strap harness structure including a pair of bilaterally symmetric, bilaterally equi-flex, non-rigid, fabric-strap-like, substantially mirror-image, flexible lateral elements which define opposite sides for the harness structure, and a bilaterally symmetr... | 07/24/2007 |
| 7172052 | Headphone A headphone has a headband and two earpieces each connected to the headband so as to be pivotable about at least two pivot axes. The two pivot axes intersect one another at a point of intersection that is positioned on or near a central axis of the earpiece, respect... | 02/06/2007 |
| 7165647 | Mechanical acoustic filter by erosion etching A mechanical acoustic filter is formed of boards made by using erosion etching. The filter may be used in electric condenser microphones. The filter may be made of one or a plurality of boards each being made by erosion etching according to different requirements. T... | 01/23/2007 |
| 7162051 | Headphone The invention relates to headphones. Such headphones always comprise at least one, preferably two, earpieces which are each equipped with a reproduction transducer. Furthermore, appropriate earpieces also comprise an ear cushion, which either encloses the user's ear... | 01/09/2007 |
| 7035421 | Earphone set An earphone set includes two earphones and a connecting device. Each of the earphones has a sound output device respectively. The connecting device is connected to the two earphones. It is characterized in that the two earphones output sound signals in the same dire... | 04/25/2006 |
| 6944309 | Headphone system A headphone system includes a headphone; and a signal processing circuit for outputting an acoustic signal to the headphone. The headphone includes a first speaker and a third speaker for a right ear of a listener, a second speaker and a fourth speaker for a left ea... | 09/13/2005 |
| 6788798 | Method and arrangement for improving leak tolerance of an earpiece The invention relates to an arrangement for improving leak tolerance in an earpiece. The invention can be applied preferably in teleterminals, particularly in mobile stations. One idea of the invention is that an acoustic return path (314, 313, 311, 312, 320)... | 09/07/2004 |
| 6775390 | Headset with movable earphones A headset has one or two earpieces, an adjustable microphone boom, and a means for securing the headset to the user. The earpiece includes a speaker element for generating sound and a sound funneling device for funneling sound from the speaker element to an ear cana... | 08/10/2004 |
| 6768803 | Method and apparatus for selective acoustic signal filtering The present invention relates to a method and apparatus for performing selective acoustic signal filtering. The apparatus comprises two acoustic ports, an electrical output port and an acoustic signal processing device, where all three ports have an impedance charac... | 07/27/2004 |
| 6768804 | Adjustable microphone boom with acoustic valve A sound sensing apparatus such as a communication headset uses a microphone and an acoustic valve controlled by a movable boom to operate in at least a compact and an extended-boom mode, with the valve variously coupling the microphone to different openings on the b... | 07/27/2004 |
| 6731771 | Foam mounted receiver for communication headset A communication headset includes at least one dome structure for fitting over a user's ear, the dome structure comprising a rigid outer housing defining an earpiece cavity. A support structure supports the at least one dome structure in place covering the user's ear... | 05/04/2004 |
| 6597792 | Headset noise reducing A headset has an earcup with front opening adjacent to an annular cushion formed with a plurality of openings facing the inside of the earcup that acoustically couples the earcup volume to the cushion volume. A driver is seated inside the earcup with a mi... | 07/22/2003 |
| 6567525 | Supra aural active noise reduction headphones A supra aural headphone including an earphone that includes a shell body, a cushion mounted on the shell to thereby define an internal cavity behind the cushion, and an acoustical driver mounted within the internal cavity to reproduce sound for the user w... | 05/20/2003 |
| 6466681 | Weather resistant sound attenuating modular communications headset A weather resistant sound attenuating communications headset of modular construction includes two ear cup modules, a microphone boom module, a head band module, a headband cable module, and a termination cable module. The modular construction allows easy ... | 10/15/2002 |
| 6353938 | Sound attenuating earmuff An earmuff for hearing protection of the ear of a wearer, including an outer cup of rigid plastic material. An inner cup of foam material is supported by the outer cup, and a cushion is attached to the outer cup for lying around the ear of the wearer. The... | 03/12/2002 |
| 6259796 | Earpiece without impulse and high frequency noise The present invention relates to an earpiece impulse and high frequency noise which consists of an earpiece housing and a loudspeaker mounted therein, wherein a plurality of sound outlet meshes is mounted on one surface of the earpiece housing; a resonant... | 07/10/2001 |
| 6163615 | Circumaural ear cup audio seal for use in connection with a headset, ear defender, helmet and the like The present invention provides an audio seal for use in an ear cup assembly. The audio seal has a generally torus-shaped body made from a compressible material. The torus-shaped body has a generally elliptical, torus configuration over approximately two-t... | 12/19/2000 |
| 6068079 | Acoustic valve capable of selective and non-linear filtering of sound Acoustic valve capable of selective and non-linear filtering of sound and placeable in a perforated ear plug. The acoustic valve consists of a tube enclosing two rigid disks axially spaced opposite each other, each of the disks containing at least one per... | 05/30/2000 |
| 5949897 | Sound reproduction device with active noise compensation A sound reproduction device such as a headphone with active noise compensation has a housing and a transducer for converting electrical signals to sound waves is disposed within the housing. The transducer has a diaphragm for separating the volume (V... | 09/07/1999 |
| 5911314 | Headset ear seal An earcup assembly is disclosed for use in a headset. The earcup assembly includes an earseal ring that includes an outer peripheral surface, an inner peripheral surface that provides an opening an annular base surface for securing the earseal to the head... | 06/15/1999 |
| 5844998 | Headphone apparatus A headphone apparatus comprising an acoustic unit for converting an audio signal to an acoustic sound, a supporting structure for supporting the acoustic unit keeping a predetermined distance to the ear of a listener and an acoustic equalizer provided in ... | 12/01/1998 |
| 5396563 | Earphone An earphone includes an earplug of sound insulating material which is insertable in the external auditory meatus of an ear, and an elastic vibration generator responsive to an electric signal supplied thereto for generating and applying an elastic wave co... | 03/07/1995 |
| 5276740 | Earphone device An earphone device includes an acoustic tube having an inner diameter substantially identical to that of the external auditory canal has an ear mounting portion at one end and an acoustic non-reflecting portion at the outer end. An earphone unit and an in... | 01/04/1994 |
| 5241971 | Ear-protection cup for ear muffs or head-phones An ear-protection cup for ear muffs or headphones comprising a cup-shaped frame and a resilient sealing member located at the peripheral edge thereof, by means of which the ear-protection cup can be brought into abutment with an annular shaped part of a u... | 09/07/1993 |
| 5208868 | Headphone overpressure and click reducing Apparatus for reducing pressure inside a headphone includes a port between front and back cavities. Preferably there is a resistive element and a high compliance diaphragm.... | 05/04/1993 |
| 5182774 | Noise cancellation headset A headset for acoustic reproduction of an electronic signal which electronic signal is representative of the summation of a desired audio signal and an anti-noise signal. The headset includes a headband, an earcup mounted to the headband, a driver mounted... | 01/26/1993 |
| 5181252 | High compliance headphone driving An active noise reducing headset has a high compliance diaphragm. Structure limits the maximum excursion of the diaphragm so that the voice coil does not escape the air gap. Structure, such as indentations in the diaphragm, prevent unrecoverable diaphragm... | 01/19/1993 |
| 5148887 | Earcup assembly incorporating mechanical active noise reduction An earcup assembly for protecting the ear of the wearer from ambient sound in which a cylinder within a shell adapted to surround the wearer's ear and having a resilient seal engaging the wearer's head around his ear, receives a piston which is held in a ... | 09/22/1992 |
| 5020163 | Earseal for sound-attenuating earcup assembly A resilient annular earseal for sealing the region between an earcup shell and a wearer's head is formed with an aperture for receiving the wearer's ear and has an outer peripheral portion projecting a predetermined first distance toward the wearer's head... | 06/04/1991 |
| 4989271 | Headphone cushioning An improved cushion for use on a heater has a thin front skin formed with a circumferential groove. A thin flexible ring is attached to the circumferential groove. A flexible rear skin supports a foam ring and is sealed to the front skin so as to form a g... | 02/05/1991 |
