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| Number | Title | Issue Date |
| 8189803 | Noise reduction headset A noise reduction headset including a negative feedback active noise reduction signal processing path for providing active noise reduction, an electronic communication signal processing path, a talk-through signal processing path for providing talk-through capabilit... | 05/29/2012 |
| 8189804 | Sound provider adapter to cancel out noise A sound provider for providing sound to a person's ear includes one or more terminals for receiving a first electrical signal and a first sound emitter operatively connected to the one or more terminals for outputting a sound corresponding to the first electrical si... | 05/29/2012 |
| 8184823 | Headphone device, sound reproduction system, and sound reproduction method Disclosed herein is a headphone device, including: a sound pickup section configured to pick up an external sound; a directivity setting section configured to generate a directional pickup audio signal, which is an audio signal obtained by picking up the external so... | 05/22/2012 |
| 8170231 | Adjustable accessory for a portable communication device A user wearable accessory provides push-to-tall (PTT), microphone and adjustable electrical cord length features in a single device. First and second adjustable electrical cords couple a portable communication device to an earpiece. The accessory is formed of front ... | 05/01/2012 |
| 8160265 | Method and apparatus for enhancing the generation of three-dimensional sound in headphone devices A headphone device includes a first and a second ear piece coupled to an assembly, wherein the assembly facilitates the placement of the first and second ear piece in relation to a user's ears. A motion transducer is coupled to the first or second ear piece, whereby... | 04/17/2012 |
| 8155338 | Earplug for insertion into an auditory duct An earplug is described for insertion in an auditory duct. The earplug includes a loudspeaker for connection to a playback device. When inserted in a user's ear, the loudspeaker is in acoustic communication with the ear's canal. A transmitter is provided that transm... | 04/10/2012 |
| 8155337 | Compatible circuit and method for 4- and 5-pole earphones and portable device using the same A compatible circuit and method for 4- and 5-pole earphones and a portable device are disclosed. The compatible circuit and method alter the path of audio signals, using switches, according to control signals, so that the 4-pole earphone can be used in a portable de... | 04/10/2012 |
| 8155335 | Headset having wirelessly linked earpieces A wireless headset includes a first earpiece and a second earpiece, where the first and second earpieces communicate with each other over a wireless link. In some configurations, the first earpiece includes both a primary wireless interface for receiving audio from ... | 04/10/2012 |
| 8155336 | Wireless headset with integrated media player Additional functionality in a wireless headset allows it to be used during times that the external device with which it is wirelessly coupled is not being used, but when the headset is nevertheless being worn. This is accomplished by integrating a media player into ... | 04/10/2012 |
| 8144891 | Earphone set An earphone set includes a main device having a digital signal processor, and an earplug has an external microphone and a speaker electrically connected with the digital signal processor respectively. The external microphone converts an external sound wave into an e... | 03/27/2012 |
| 8139781 | Bluetooth headset with a retractable structure A Bluetooth headset includes a case, a circuit board, a speaker, a USB plug, a memory slot, an actuating structure, and a movable lid. The case is a hollow structure. A containing space in the case is accessible to an opening of the case. The circuit board is instal... | 03/20/2012 |
| 8130972 | Audio reproducing apparatus and program A reproducing apparatus includes: a connecting part which is connected to an audio signal output apparatus through the three pole terminal; a storage part which stores content data including first and second channel audio data; a reproducing part which reproduces th... | 03/06/2012 |
| 8126157 | Apparatus and method for sharing contents via headphone set The present invention relates to sharing of content between multiple users. A data player(10) decodes pre-stored audio data therein using a decoding function, and a converter converts the decoded digital data to analog to a headphone set in communication with... | 02/28/2012 |
| 8121304 | Anti-tangle device and method for preventing cord tangling An anti-tangling device includes a headphone cord having a distal end, a male signal plug at the distal end, a proximal end, and at least one earphone at the proximal end. Each of the plug and the earphone has first or second parts of a two-part connection device. T... | 02/21/2012 |
| 8103015 | Wire-free headset, portable media player There are proposed wireless headphones which have at least one electroacoustic transducer for the reproduction of audio signals, a receiver for receiving wirelessly transmitted audio data, an intermediate memory for putting the received audio data into intermediate ... | 01/24/2012 |
| 8098839 | Voltage generating apparatus for headphone A voltage generating apparatus for a headphone is provided, which includes a voltage generator, a charge pump circuit, an operating amplifier and a controller. The voltage generator generates a first operating voltage. The charge pump circuit receives the first oper... | 01/17/2012 |
| 8098838 | Detecting the repositioning of an earphone using a microphone and associated action A system detects the repositioning of an earphone that is worn by a user, and changes an operation mode of a host coupled to the earphone. Within the earphone is a pressure transducer that detects a pressure change caused by the repositioning of the earphone. A sign... | 01/17/2012 |
| 8077874 | Active noise reduction microphone placing A method and apparatus for increasing phase margin in a feedback circuit of an active noise reduction headphone. The method includes providing an acoustic block comprising an acoustic driver comprising a voice coil mechanically coupled along an attachment line to an... | 12/13/2011 |
| 8077875 | Audio device An audio device includes a jack, a switch, an amplifier, an internal sound producer, and a determining circuit. The jack establishes a connection with an external sound producer. The switch is in an opened state when the connection is established, and in a closed st... | 12/13/2011 |
| 8073154 | Supplying electrical power A power supply includes a battery source supplying power and a voltage converter circuit. The voltage converter circuit converts the power to the input voltage supplied to other circuitry. The voltage converter circuit varies the input voltage in response to a load ... | 12/06/2011 |
| 8073153 | System and method for engaging in conversation while using an earphone A listening device for presenting at least one audio signal to a user comprises a first ear piece and a second ear piece, each of the first ear piece and the second ear piece including at least one speaker and each being adapted to block substantially all external s... | 12/06/2011 |
| 8073152 | Automated voice over internet protocol wireless headset A system, apparatus, and method are provided for automatically provisioning wireless local area network (LAN) access point and/or hotspot information, Voice over Internet Protocol (VoIP) service provider information, and VoIP account information on a service provide... | 12/06/2011 |
| 8064613 | Electret microphone detection using a current source The coupling of an electret microphone is detected and identifying whether there is monaural or stereo speakers coupled to the USB connector is accomplished by coupling a current source to the USB ID terminal and detecting the voltage on the ID terminal. If the volt... | 11/22/2011 |
| 8045727 | Headset power management The invention relates to an energy saving headset 100. The headset 100 comprises a power management unit 150 that is operable to reduce the power consumption of the headset 100 when a user 110 is not present. The power management u... | 10/25/2011 |
| 8031878 | Electronic interfacing with a head-mounted device Power is delivered from a power source in a head-mounted device to a separate accessory that is coupled to the head-mounted device. Power and signals are delivered on a common conductor that couples the head-mounted device to an accessory. One or both of the head-mo... | 10/04/2011 |
| 8023663 | Music headphones for manual control of ambient sound A headphone and method for allowing manually controlled reception of ambient sound by a user. More particularly, the invention relates to a headphone for listening to an audio signal while allowing varying amounts of ambient sound to the user. In one aspect, the hea... | 09/20/2011 |
| 8014539 | Method and apparatus to control output power of a digital power amplifier optimized to a headphone and a portable audio player having the same A method and apparatus to control output power of a digital amplifier capable of automatically determining an impedance of an earphone or headphone connected to a portable audio device and outputting a power that is optimized according to the impedance. The apparatu... | 09/06/2011 |
| 7983427 | Method and apparatus for conserving battery power A method of conserving battery power includes providing an electrical conductor that is connectable between an audio source and an accessory of the audio source. The conductor is capable of conducting a first electrical signal, containing audio information from the ... | 07/19/2011 |
| 7953231 | Audio output apparatus and audio processing system According to one embodiment, an audio output apparatus, includes: a receiver configured to receiver audio information from an audio processor; an output module configured to output the received audio information; a cable configured to connect between the output modu... | 05/31/2011 |
| 7936887 | Personalized headphone virtualization A listener can experience the sound of virtual loudspeakers over headphones with a level of realism that is difficult to distinguish from the real loudspeaker experience. Sets of personalized room impulse responses (PRIRs) are acquired for the loudspeaker sound sour... | 05/03/2011 |
| 7925029 | Personal audio system with earpiece remote controller In a personal audio system (100), a remote controller (120) has a touch-sensitive area (122) and is worn in or by a human ear. A temporal pattern in the area (122), which is being touched, is detected and used for remotely controlling a d... | 04/12/2011 |
| 7925030 | Crosstalk cancellation using load impedence measurements A method and ASIC for canceling crosstalk between a first stereo channel and a second stereo channel, wherein a first signal is input to a first output amplifier for the first channel, and a second signal is input to a second output amplifier for the second channel,... | 04/12/2011 |
| 7885419 | Headset terminal with speech functionality A headset terminal for speech applications includes a headband assembly, an earcup assembly and a power source assembly. Processing circuitry is positioned in at least one of the earcup assembly and the power source assembly and includes speech processing circuitry ... | 02/08/2011 |
| 7876911 | Headphone driver and methods for use therewith A headphone driver includes a driver module for generating a plurality of headphone driver signals including a filtered stereo sum signal. ... | 01/25/2011 |
| 7876912 | Dual mode headset device The invention provides a headset device. The headset device includes a first headset, a second headset, and a transmission line. The first headset includes a first housing; an interface module for receiving an audio signal; a signal processing module for separating ... | 01/25/2011 |
| 7783057 | Music play control apparatus using at least one earphone function key and method thereof A music play control apparatus and method for a music player using at least one earphone function key are provided which are capable of performing a music play control operation of the music player using earphones. In the music play control apparatus and method, an ... | 08/24/2010 |
| 7769187 | Communications circuits for electronic devices and accessories Hybrid circuits for electronic devices and accessories for electronic devices are provided. One or more pairs of hybrid circuits may convey audio signals, noise cancellation audio signals, microphone signals, control signals, and other signals between an electronic ... | 08/03/2010 |
| 7720234 | Communications interface device A communications interface device is wearable about a user's neck, and can have various audio communications devices—such as cellphones, walkie-talkies, radios, scanners, digital music players, etc.—connected to the interface device to serve as a central communi... | 05/18/2010 |
| 7697697 | Apparatus for automatic identification of audio input/output device and method thereof An apparatus and method of automatic identification an external audio input/output device. The external device connected to an audio jack is identified as an audio output or input device, according to the impedance thereof. Furthermore, the present invention automat... | 04/13/2010 |
| 7627128 | Methods of calibrating tone-based communications systems Electronic devices and accessories such as headsets for electronic devices are provided. A microphone may be included in an accessory to capture sound for an associated electronic device. Buttons and other user interfaces may be included in the accessories. An acces... | 12/01/2009 |
