232197 ⎘
Details of connection covered by , not provided for in its groups Detection of connection of loudspeakers or headphones to amplifiers
Media/communications system
#302Audio channel control circuit
#303Magnetic earphones holder
#304System and method for robust simultaneous driver measurement for a speaker system
#305Apparatus and method for preventing malfunction in an electronic device
#306Detection circuit
#307Signal processing circuit
#308Reuse of plug detection contacts to reduce crosstalk
#309Method for a multi-channel wireless speaker system
#310Audio jack insertion/removal fault detection
#311Mobile terminal
#312Acoustic playback system
#313Method and device for recognition and arbitration of an input connection
#314Mobile terminal and method for controlling the same
#315FM filtering for class-G/H headphones
#316Smart passive speaker drive
#317Providing isolation from distractions
#318Headphone on-head detection using differential signal measurement
#319Accessory management and data communication using audio port
#320Mobile device and method for controlling speaker
#321System and method for a transducer system with wakeup detection
#322Direct selection of audio source
#323Grounding circuit for alternate audio plug designs
#324Impedance detection circuit, method, and integrated circuit
#325Earphone system for mobile device and method for operating the same
#326Method and device for automatically identifying microphone pin and ground pin of audio interface and electronic signature token
#327Circuit for microphone pin assignment detection and method thereof
#328Audio output control method and apparatus
#329Audio interface self-adaptation device
#330Sound generator
#331Sound generator and sound generation system
#332Adaptive method and device of audio interface and electronic signature token
#333Audio codec with audio jack detection function and audio jack detection method
#334Method and apparatus for an integrated headset switch with reduced crosstalk noise
#335Connection member for connecting headset plug, headset jack and electronic device
#336Accessory plug detection
#337HEADSET HAVING MOBILE COMMUNICATION TERMINAL LOSS PREVENTION FUNCTION AND HEADSET SYSTEM HAVING LOSS PREVENTION FUNCTION
#338Systems and methods for detection of load impedance of a transducer device coupled to an audio device
#339Systems and methods for detection of load impedance of a transducer device coupled to an audio device
#340Systems and methods for detection of load impedance of a transducer device coupled to an audio device
#341Electronic device and control method thereof
#342Media/communications system
#343Electronic device and audio output circuit therein
#344Apparatus for detecting type of audio interface
#345Sound processing unit, sound processing system, audio output unit and display device
#346Orientation based dynamic audio control
#347Connection diagnostics for parallel speakers
#348Electronic device and method for sensing headset type by audio signal
#349Detection circuit
#350Detection circuit and detection method
#351Audio accessory with internal clock
#352Apparatus and method for outputting audio signal in portable terminal
#353Apparatus, systems and methods for detecting insertion or removal of an audio accessory from an electronic device
#354System and method of detecting a plug-in type based on impedance comparison
#355Jack detector and jack detecting method
#356Apparatus, systems and methods for inaudibly identifying an audio accessory using spectral shaping
#357Device for transmitting and receiving data using earphone and method for controlling the same
#358System for fitting audio signals for in-use ear
#359Audio channel mapping in a portable electronic device
#360Electronic device and method for measuring electric current of external electronic devices using the electronic device
#361Multipurpose connector for multiplexing headset interface into high-definition video and audio interface, and handheld electronic device
#362Increasing ground noise rejection in audio systems
#363Sound output system, information processing apparatus, computer-readable non-transitory storage medium having information processing program stored therein, and sound output control method
#364Earphone connection interface, terminal including the same, and method of operating terminal
#365Earphone connection interface and method of operating earphone, and terminal for supporting the same
#366Headset type detection and configuration techniques
#367Method for sourcing current using an audio jack
#368Accessory detection circuit with improved functionality
#369Earphone system, earphone device, and portable terminal for supporting the same
#370Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
#371System and method for detecting the ground and microphone input contacts in an audio plug
#372System for controlling audio frequencies of electronic appliances and a method of the same
#373Device playback failure recovery and redistribution
#374PORTABLE ELECTRONIC DEVICE HAVING UNIVERSAL EARPHONE JACK
#375Grounding circuit for alternate audio plug designs
#376Device plug detection apparatus and method
#377Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance
#378HEADPHONE DETECTION CIRCUIT AND ELECTRONIC DEVICE WITH HEADPHONE DETECTION CIRCUIT
#379Audio control method and audio player using audio control method
#380Headset switches with crosstalk reduction
#381CIRCUIT CAPABLE OF REDUCING AUDIO INTERFERENCE
#382Engaging terminal devices
#383ELECTRONIC DEVICE AND METHOD FOR ENABLING OPEN MOBILE TERMINAL PLATFORM HEADSETS AND STANDARD HEADSETS TO BE COMPATIBLE
#384Peripheral apparatus
#385Sensor fault detection system and method
#386Audio control module
#387Speaker impedance measurement
#388Power supply voltage-based headset function control
#389Multi-standard headset support with integrated ground switching
#390Method and apparatus for recognizing earphone in portable terminal
#391Portable Electronic Device with Magnetic Audio Interface and Audio Reproduction Accessory Therefor
#392Hearing prosthesis with accessory detection
#393System and method for identification of a peripheral device
#394Apparatus and method for confirming control information of earphone in portable terminal
#395Auto-configuring audio output for audio performance and fault detection
#396Apparatus and method for measuring a plurality of loudspeakers and microphone array
#397Headset plug universal auto switcher
#398MIC audio noise filtering
#399Audio jack detection circuit
#400Detection and GSM noise filtering
#401MIC/GND detection and automatic switch
#402Headset with foldable microphone arm
#403Terminal device and application control method
#404Audio output controller and control method
#405Earphone pulling and plugging detection circuit
#406Multimedia output device with detection and protection circuit and audio output method thereof
#407MOBILE TERMINAL AND EARPHONE IDENTIFYING METHOD
#408Detachable wireless listening device
#409Apparatus including means for connecting to one or more outer speakers as well as means for detecting such a connection
#410AUDIO DEVICE AND METHOD FOR AUDIO OUTPUTTING
#411Wireless headset device capable of providing balanced stereo and method thereof
#412Multi-protocol wireless audio client device
#413Intercom headset connection and disconnection responses
#414Headphones with touch input unit, and mobile device allowing for the connection to the headphones
#415Loudspeaker amplifier integration system
#416Audio accessory type detection and connector pin signal assignment
#417EARPHONE AND ELECTRONIC DEVICE USING THE SAME
#418AUDIO PLAYER, AUDIO PLAYER SYSTEM, AND METHOD FOR TURNING OFF AUDIO PLAYER
#419Differential microphone circuit
#420System and method for microphone polarity detection
#421Portable electronic device having universal earphone jack
#422Systems, methods, apparatus, and computer-readable media for head tracking based on recorded sound signals
#423Detection circuit for audio device
#424Switching circuit and electronic device using the same
#425Ray tracing apparatus and method
#426Un-tethered wireless audio system
#427Sink device and wireless transmission system
#428WIRELESS STEREO HEADSETS AND METHODS
#429Earphone system for mobile device and method for operating the same
#430Audio amplifier
#431Microphone techniques
#432Ear jack for detecting earphone plug
#433Acoustic playback system
#434Audio amplifier having load adjustment and method for the load adjustment of the audio amplifier
#435HEADSET INTERFACE CIRCUIT AND TELEPHONE SET
#436DATA PROCESSING FOR A WEARABLE APPARATUS
#437Apparatus and method for recognizing earphone mounting in portable terminal
#438METHOD FOR CONTROLLING AUDIO OUTPUT AND DIGITAL DEVICE USING THE SAME
#439Distributed sound enhancement
#440Distributed sound enhancement
#441Distributed sound enhancement
#442Image display device and method of controlling the same
#443Electronic device, electronic system, and method for processing signals from an audio accessory thereof
#444Sound processing unit, sound processing system, audio output unit and display device
#445Circuit apparatus for recognizing earphone in mobile terminal
#446Audio apparatus
#447Audio output device
#448Headset with foldable microphone arm
#449Hearing aid system comprising a receiver in the ear and a system for identification of the type of receiver
#450Projector and audio output method
#451Apparatus and method for outputting an audio signal in a portable terminal
#452Method for recognizing ear phone in portable terminal and apparatus thereof
#453Efficiency optimized audio system
#454Intercom headset connection and disconnection responses
#455Hearing instrument using receivers with different performance characteristics
#456Electronic device and external equipment with configurable audio path circuitry
#457Electronic device and external equipment with configurable audio path circuitry
#458RESISTANCE IDENTIFICATION OF A PERIPHERAL UNIT ON A HEARING AID
#459USB AUDIO AND MOBILE AUDIO SYSTEM USING USB AUDIO CONTROLLER
#460Contextual audio switching for a USB controlled audio device
#461Music reproducing system and information processing method
#462Method and system for detecting interrupts from detachable electronic accessories or peripherals
#463AUDIO OUTPUT DEVICE
#464Communication apparatus with ambient noise reduction
#465HEADPHONES SWITCHABLE TO A SOUND BOX MODE OF OPERATION
#466Host apparatus for supporting bluetooth and method therefor
#467Wireless speaker dongle with auxiliary audio output
#468Audio device and volume adjusting circuit for the audio device
#469Audio device
#470WIRELESS HEADSET DEVICE CAPABLE OF PROVIDING BALANCED STEREO AND METHOD THEREOF
#471Earphone microphone-mountable electronic appliance
#472SYSTEM AND A METHOD OF PROCESSING AUDIO DATA, A PROGRAM ELEMENT AND A COMPUTER-READABLE MEDIUM
#473Detecting stereo and mono headset devices
#474Audio playback apparatus
#475Audio signal supplying device, parameter providing system, television set, AV system, speaker apparatus, and audio signal supplying method
#476Supplemental audio output box
#477Method and circuit for testing an audio high-frequency loudspeaker being part of a loudspeaker system
#478Audio signal transmitting apparatus, audio signal receiving apparatus, audio signal transmission system, audio signal transmission method, and program
#479Automatic identification of receiver type in hearing aid devices
#480Sound processing unit, sound processing system, audio output unit and display device
#481Automatically reconfigurable stereo speaker system
#482Multichannel amplifier
#483Methods and apparatus for metering portable media players
#484System and method for intelligent equalization
#485System and method for muting TV speakers when headphones in use
#486Microphone techniques
#487Earphone detection circuit
#488EARPHONE AND MEDIA PLAYER
#489SYSTEM AND METHOD FOR INTELLIGENT EQUALIZATION
#490Multi-channel audio amplification apparatus
#491Electronic Device and Sound Level Control Method
#492Method and apparatus for wirelessly streaming multi-channel content
#493Audio profiles for portable music playback device
#494Sound processing unit, sound processing system, audio output unit and display device
#495Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance
#496SYSTEM AND METHOD FOR AUTOMATIC PLUG DETECTION
#497Method and apparatus to control output power of a digital power amplifier optimized to a headphone and a portable audio player having the same
#498Audio input/output device and method for switching input/output functions
#499Apparatus for detecting a module
#500Audio playback device and method of its operation
#501SOUND OUTPUT SYSTEM AND METHOD
#502Audio apparatus and control method thereof
#503Multi-mode driver circuit
#504Information processing apparatus and sound output characteristic adjusting method
#505Acoustic apparatus, connection polarity determination method, and recording medium
#506REMOTE CONTROL SYSTEM WITH A WIRELESS EARPHONE FUNCTION AND CORRESPONDING METHOD
#507Information handling system including detection of an audio input device
#508IT terminal and audio equipment identification method therefor
#509Integrated multimedia signal processing system using centralized processing of signals and other peripheral device
#510Smart volume adjusting method for a multi-media system
#511Method and apparatus for automatically setting speaker mode in audio/video system
#512Method and apparatus to automatically set speaker modes in a multi-channel speaker system
#513Apparatus for selectively outputting audio and video signal or headphone signal using analog switch and method thereof
#514Flat panel display apparatus, stand and speaker apparatus
#515Distributed sound enhancement
#516Method and system for operating accessory controls
#517Detecting connectivity of a speaker
#518Portable computer adapted for use with a loudspeaker unit to reproduce audio playback information with surround sound effects
#519Detection device for video/audio interface outlet and earphone line outlet
#520Communication headset and method
#521System and method for prevention of accidental activation of portable audio device
#522System and method for identifying a headset type in an electrical device
#523Sound card
#524System of pairing and synchronizing loudspeaker, lighting, and other systems
#525Bone conduction earphone
#526Two-stage digital automatic gain control
#527Contact detection via impedance analysis
#528Computing system with external speaker detection feature
#529Dynamic multi-speaker optimization
#530Computing system with external speaker detection feature
#531Apparatus for and method of generating output signal based on detected load resistance value