ES2273616A1 - Multifunctional headphones for simultaneously listening to audio signal and ambient sound has control circuit that operates activation/deactivation units to automatically balance audio signals - Google Patents

Multifunctional headphones for simultaneously listening to audio signal and ambient sound has control circuit that operates activation/deactivation units to automatically balance audio signals Download PDF

Info

Publication number
ES2273616A1
ES2273616A1 ES200603276A ES200603276A ES2273616A1 ES 2273616 A1 ES2273616 A1 ES 2273616A1 ES 200603276 A ES200603276 A ES 200603276A ES 200603276 A ES200603276 A ES 200603276A ES 2273616 A1 ES2273616 A1 ES 2273616A1
Authority
ES
Spain
Prior art keywords
control circuit
audio
headphones
signals
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES200603276A
Other languages
Spanish (es)
Other versions
ES2273616B1 (en
Inventor
Farzin Tahmassebi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES200603276A priority Critical patent/ES2273616B1/en
Publication of ES2273616A1 publication Critical patent/ES2273616A1/en
Priority to ES200701942A priority patent/ES2310977B1/en
Application granted granted Critical
Publication of ES2273616B1 publication Critical patent/ES2273616B1/en
Priority to PCT/ES2007/000765 priority patent/WO2008077981A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/01—Input selection or mixing for amplifiers or loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Ear pieces are comprised of classis loudspeakers connected to a control circuit having an audio signal mixer whose input is connected to at least an audio line of a reproduction device and a microphone to catch environmental sound. An amplification stage reproduces the signals from the loudspeakers simultaneously. The control circuit is programmed to automatically balance the audio signals by operating activation/deactivation units.

Description

Auriculares multifunción.Multi-function headphones

Objeto de la invenciónObject of the invention

La presente invención se refiere a unos auriculares, de los destinados permitir la escucha de señales de audio provenientes de equipos de reproducción de señales de audio tales como, ordenadores, radios, mp3's, "walkman", y similares.The present invention relates to some headphones, intended to allow listening to signals from audio from audio signal playback equipment such as computers, radios, mp3's, "walkman", and Similar.

El objeto de la invención es proporcionar unos auriculares que permitan a su usuario escuchar paralelamente tanto la señal de audio proveniente del equipo reproductor de que se trate, así como el sonido ambiente de los alrededores en donde se encuentre el usuario.The object of the invention is to provide about headphones that allow your user to listen in parallel so much the audio signal from the player that is treat, as well as the surrounding ambient sound where you Find the user.

Es asimismo objeto de la invención que el dispositivo permita regular el volumen de entrada de una y otra señal a voluntad, hasta el punto de inhibir momentáneamente cualquiera de las dos.It is also the object of the invention that the device allows to regulate the input volume of one and the other signal at will, to the point of momentarily inhibiting Either one.

La invención resulta de especial aplicación en el ámbito de las video-llamadas o video-conferencias, pudiendo no obstante aplicarse diferentes dispositivos como los anteriormente citados.The invention is of special application in the scope of video calls or video conferences, however, may apply Different devices such as those mentioned above.

Antecedentes de la invenciónBackground of the invention

Es frecuente el uso de auriculares a la hora de escuchar la radio, música, etc, a través de dispositivos reproductores tanto fijos como portátiles, como pueden ser reproductores de CD's, MP3, radios, mini-disc, ordenadores, cadenas de música, etc.The use of headphones is frequent when listen to the radio, music, etc., through devices both fixed and portable players, such as CD players, MP3, radios, mini-discs, computers, music chains, etc.

El problema que presentan este tipo de dispositivos es que presentan una configuración que aísla el oído del usuario frente al sonido ambiente exterior, propiedad que puede no ser deseable en muchos casos, como por ejemplo en el caso de reuniones en las que participan múltiples personas, y en las que algunas de ellas emplean auriculares para realizar video-conferencias, escuchar traducciones de algún participante, etc, lo que obliga a estar continuamente quitándose y poniéndose los citados auriculares, de manera que cuando el usuario los tiene puestos no es capaz de seguir las conversaciones que se estén manteniendo a su alrededor.The problem presented by this type of devices have a configuration that isolates the ear of the user in front of the external ambient sound, property that can not be desirable in many cases, such as in the case of meetings in which multiple people participate, and in which some of them use headphones to perform video conferences, listen to translations of some participant, etc., which forces to be continuously taking off and putting on the aforementioned headphones, so that when the user you have them not able to follow the conversations that They are keeping around.

Por otro lado, y en el ámbito de la escucha de señales acústicas provenientes de dispositivos reproductores portátiles, el citado aislamiento del usuario frente a los sonidos de su entorno puede resultar en ocasiones peligroso, al no advertir éste cualquier alarma o advertencia de naturaleza sonora.On the other hand, and in the field of listening to acoustic signals from reproductive devices laptops, the user’s isolation from sound of your environment can sometimes be dangerous, by not warning this any alarm or warning of a sound nature.

Tratando de obviar este problema, en ciertos tipos de auriculares en los que el auricular izquierdo es independiente físicamente del auricular derecho, es factible que su usuario se adapte únicamente uno de los dos auriculares para poder estar atento al sonido ambiente proximal, pero esta solución impide que el mismo pueda escuchar la señal de audio del reproductor en estéreo, reduciendo sensiblemente la calidad de la misma, por lo que resulta una solución poco satisfactoria.Trying to obviate this problem, in certain types of headphones in which the left earphone is physically independent of the right headset, it is feasible that your user adapts only one of the two headphones to be able to be attentive to the surrounding ambient sound, but this solution prevents that he can listen to the audio signal of the player in stereo, significantly reducing the quality of it, so It is an unsatisfactory solution.

Descripción de la invenciónDescription of the invention

Los auriculares que la invención propone resuelven de forma plenamente satisfactoria la problemática anteriormente expuesta, permitiendo realizar de forma simultánea la escucha de una señal de audio proviniente de un reproductor paralelamente a la señal de audio correspondiente al ambiente de los alrededores del dispositivo.The headphones that the invention proposes solve the problem fully satisfactorily previously exposed, allowing to simultaneously perform the listening to an audio signal from a player parallel to the audio signal corresponding to the environment of The surroundings of the device.

Para ello, y de forma más concreta, se ha previsto que partiendo de la estructuración clásica de unos auriculares convencionales, sean del tipo que sean, el altavoz o altavoces estén asociados a un circuito electrónico, dotado de un mezclador de señales, circuito al que accede por un lado la señal de sonido proveniente del equipo reproductor de que se trate a través de la correspondiente línea, y por otro la señal proviniente de al menos un micrófono destinado a recibir los sonidos que se emitan en las proximidades del dispositivo.To do this, and more specifically, it has been planned that starting from the classical structuring of some conventional headphones, whatever the type, the speaker or speakers are associated with an electronic circuit, equipped with a signal mixer, circuit accessed by the signal from one side sound coming from the player in question through of the corresponding line, and on the other the signal from al less a microphone destined to receive the sounds that are emitted in The proximity of the device.

De acuerdo con otra de las características de la invención, el citado circuito de control contará con medios de regulación del volumen así como de activación/desactivación de cada una de las señales.According to another of the characteristics of the invention, said control circuit will have means of volume regulation as well as activation / deactivation of each One of the signs.

Asimismo, el circuito de control estará programado para realizar la auto-nivelación del volumen de los auriculares, de manera dicho circuito se encarga de eliminar los sonidos externos que no superen un valor de decibelios preestablecido como nivel de activación de la señal externa y auto nivelación, regulando igualmente el nivel del volumen de la señal de audio proviniente del dispositivo reproductor, reestableciendo el nivel original de forma progresiva a término de la señal de entrada de audio externa proviniente del micrófono.Also, the control circuit will be programmed to perform self-leveling of headphone volume, so that circuit is responsible for eliminate external sounds that do not exceed a decibel value preset as external and auto signal activation level leveling, also regulating the level of the signal volume audio from the playback device, resetting the original level progressively at the end of the signal of External audio input from the microphone.

Por último cabe destacar que el micrófono o micrófonos podrán integrarse en la carcasa en la que se integra cada altavoz, o bien de forma independiente, de manera que dicho micrófono puede ser aprovechado para su empleo en video-conferencias, video-llamadas y similares, de manera que el circuito de control incorpore una línea de entrada para transmisión de la señal al equipo de que se
trate.Finally, it should be noted that the microphone or microphones may be integrated in the housing in which each speaker is integrated, or independently, so that said microphone can be used for use in video-conferences, video-calls and the like, so that the control circuit incorporates an input line for transmission of the signal to the equipment that is
try.

Se consigue de esta forma un dispositivo que permite escuchar conjuntamente el sonido proviniente de un reproductor de audio así el proviniente del exterior, cómodo, sencillo de usar y totalmente automáti-
co.In this way, a device is achieved that allows the joint sound of an audio player to be heard together, as well as the exterior, comfortable, simple to use and fully automatic sound.
co.

Descripción de los dibujosDescription of the drawings

Para complementar la descripción que se está realizando y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de dibujos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente:To complement the description that is being performing and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical realization of it, is accompanied as part member of that description, a set of drawings where with illustrative and non-limiting nature, what has been represented next:

La figura 1.- Muestra una representación esquemática de los distintos componentes que participan en unos auriculares multifunción realizados de acuerdo con el objeto de la invención.Figure 1.- Shows a representation schematic of the different components involved in some multi-function headphones made in accordance with the purpose of the invention.

La figura 2.- Muestra una vista en perspectiva de una posible realización práctica de la invención.Figure 2.- Shows a perspective view of a possible practical embodiment of the invention.

La figura 3.- Muestra una vista en perspectiva dos realizaciones prácticas distintas de la invención, en las que el dispositivo se materializa en un único auricu-
lar.Figure 3.- Shows a perspective view of two different practical embodiments of the invention, in which the device is embodied in a single ear
lar.

Realización preferente de la invenciónPreferred Embodiment of the Invention

A la vista de las figuras reseñadas y en especial de la figura 1, puede observarse como en los auriculares de la invención participan, como es convencional, una pareja de altavoces (1-1'), que se integran en la carcasa del correspondiente auricular, altavoces asociados a un equipo reproductor de audio (2), a través de un cable o línea de audio (3) con el complementario conector (4).In view of the figures outlined and in special figure 1, can be seen as in the headphones of the invention participate, as is conventional, a couple of speakers (1-1 '), which are integrated into the housing of the corresponding headset, speakers associated with a device audio player (2), through an audio cable or line (3) with the complementary connector (4).

Pues bien, a partir de la estructuración convencional anteriormente descrita, la invención centra sus características en el hecho de que entre los altavoces (1-1') y la línea de audio (3) se establece un circuito de control (5) en el que se integra un mezclador de señales de audio (6).Well, from the structuring Conventionally described above, the invention centers its features in the fact that between the speakers (1-1 ') and the audio line (3) a control circuit (5) in which a mixer is integrated audio signals (6).

Al citado mezclador confluyen las señales de la línea de audio (3) del reproductor (2), así como la señal proviniente de al menos un micrófono (7) previa amplificación (8) de la señal.To the mentioned mixer the signals of the audio line (3) of the player (2), as well as the signal from at least one microphone (7) after amplification (8) Of the signal.

Así pues, el circuito a la salida (9) mezcla ambas señales según los parámetros de programación interna, de manera tal que el usuario escucharia ambas señales si no dispusiera de unos auriculares y estuviera escuchando dicha señal de audio a través de uno o más altavoces convencionales.So, the circuit at the outlet (9) mixes both signals according to the internal programming parameters of so that the user would listen to both signals if he did not have of headphones and I was listening to that audio signal to through one or more conventional speakers.

Complementariamente y tal y como se ha dicho con anterioridad, el circuito de control (4) estará programado para realizar de forma automática la auto-nivelación de las señales, incorporando filtros internos que eliminen lo que podría considerarse como ruido ambiental, constituido por sonidos inferiores a un nivel mínimo preestablecido.Complementarily and as stated with previously, the control circuit (4) will be programmed to automatically perform auto-leveling of the signals, incorporating internal filters that eliminate what could be considered as ambient noise, consisting of sounds below a minimum preset level.

El circuito de control cuenta asimismo con medios de regulación (10) del volumen de la señal de audio proveniente del equipo reproductor, así como interruptores de corte (11) y (12) para inhabilitación de una u otra señal entrante al mezclador (6) según se estime conveniente.The control circuit also has means for regulating (10) the volume of the audio signal from the playback equipment, as well as cut-off switches (11) and (12) for disabling one or the other incoming signal to the mixer (6) as deemed convenient.

El micrófono (7) puede estar integrado en la carcasa (7-7') del auricular, tal como muestran las realizaciones mostradas en la figura 3, o bien establecerse en cualquier otra zona de los auriculares, como por ejemplo a la altura del cuello del usuario, tal como muestra la figura 2, pudiéndose utilizar dicho micrófono para la captura de la señal de la voz del usuario, en cuyo caso el circuito de control (5) dispondrán de una línea de entrada (14) con su correspondiente conector (15) para tratamiento de la señal en el equipo (2) de que se trate.The microphone (7) can be integrated in the housing (7-7 ') of the headset, as shown in the embodiments shown in figure 3, or set to any other area of the headphones, such as the height of the user's neck, as shown in figure 2, said microphone can be used to capture the signal from the user's voice, in which case the control circuit (5) they will have an entry line (14) with their corresponding connector (15) for signal processing in the device (2) that be concerned.

Claims (3)

1. Auriculares multifunción, que siendo del tipo de los que incorporan al menos un altavoz (1-1') asociado a una salida de señal de audio de un equipo reproductor (2) a través de la correspondiente línea de audio (3), se caracteriza porque incluye un circuito de control (5) en el que se establece un mezclador (6) de señales de audio, mezclador (6) cuya entrada está asociada a la citada línea de audio (3) proveniente del equipo reproductor (2) y a al menos un micrófono (7) convenientemente dispuesto para captar el sonido ambiental, con su correspondiente etapa de amplificación (8), mezclador de audio (6) a cuya salida se establecen el citado altavoz o altavoces (1-1') reproductores de ambas señales.1. Multifunction headphones, which are of the type that incorporate at least one speaker (1-1 ') associated with an audio signal output of a playback device (2) through the corresponding audio line (3), It is characterized in that it includes a control circuit (5) in which a mixer (6) of audio signals is established, a mixer (6) whose input is associated to the aforementioned audio line (3) from the playback equipment (2) at least one microphone (7) conveniently arranged to capture the ambient sound, with its corresponding amplification stage (8), audio mixer (6) at whose output the said speaker or speakers (1-1 ') players of both signals. 2. Auriculares multifunción, según reivindicación 1ª, caracterizados porque el circuito de control (5) cuenta con interruptores de corte (11-12) de inhabilitación de la señal proviniente del micrófono (7) y del equipo reproductor (2), un regulador de volumen (10), así como un software interno de programación de la auto-nivelación del volumen de ambas señales.2. Multifunction headphones, according to claim 1, characterized in that the control circuit (5) has cut-off switches (11-12) for disabling the signal from the microphone (7) and the playback equipment (2), a regulator volume (10), as well as an internal software for programming the auto-leveling of the volume of both signals. 3. Auriculares multifunción, según reivindicaciones anteriores, caracterizado porque el circuito de control (5) cuenta con una línea (14) de audio auxiliar que comunica la señal amplificada del micrófono (7) con el equipo reproductor (2).3. Multifunction headphones, according to previous claims, characterized in that the control circuit (5) has an auxiliary audio line (14) that communicates the amplified microphone signal (7) with the playback equipment (2).
ES200603276A 2006-12-27 2006-12-27 MULTIFUNCTION HEADPHONES. Active ES2273616B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES200603276A ES2273616B1 (en) 2006-12-27 2006-12-27 MULTIFUNCTION HEADPHONES.
ES200701942A ES2310977B1 (en) 2006-12-27 2007-07-11 IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P 200603276 BY MULTIFUNCTION HEADPHONES.
PCT/ES2007/000765 WO2008077981A1 (en) 2006-12-27 2007-12-27 Multifunction headphones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200603276A ES2273616B1 (en) 2006-12-27 2006-12-27 MULTIFUNCTION HEADPHONES.

Publications (2)

Publication Number Publication Date
ES2273616A1 true ES2273616A1 (en) 2007-05-01
ES2273616B1 ES2273616B1 (en) 2007-12-16

Family

ID=38326461

Family Applications (2)

Application Number Title Priority Date Filing Date
ES200603276A Active ES2273616B1 (en) 2006-12-27 2006-12-27 MULTIFUNCTION HEADPHONES.
ES200701942A Withdrawn - After Issue ES2310977B1 (en) 2006-12-27 2007-07-11 IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P 200603276 BY MULTIFUNCTION HEADPHONES.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES200701942A Withdrawn - After Issue ES2310977B1 (en) 2006-12-27 2007-07-11 IMPROVEMENTS INTRODUCED IN THE PATENT OF INVENTION P 200603276 BY MULTIFUNCTION HEADPHONES.

Country Status (1)

Country Link
ES (2) ES2273616B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11683643B2 (en) 2007-05-04 2023-06-20 Staton Techiya Llc Method and device for in ear canal echo suppression
US11856375B2 (en) 2007-05-04 2023-12-26 Staton Techiya Llc Method and device for in-ear echo suppression

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1078582Y (en) * 2013-01-24 2013-05-13 Garcia Pedro Munoz HEADSET

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63221800A (en) * 1987-03-11 1988-09-14 Canon Inc Microphone equipment
GB2256996A (en) * 1991-05-03 1992-12-23 Circuits Maximus Co Inc Psycho acoustic pseudo-stereo fold-back system
US20030035551A1 (en) * 2001-08-20 2003-02-20 Light John J. Ambient-aware headset
US20060182287A1 (en) * 2005-01-18 2006-08-17 Schulein Robert B Audio monitoring system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63221800A (en) * 1987-03-11 1988-09-14 Canon Inc Microphone equipment
GB2256996A (en) * 1991-05-03 1992-12-23 Circuits Maximus Co Inc Psycho acoustic pseudo-stereo fold-back system
US20030035551A1 (en) * 2001-08-20 2003-02-20 Light John J. Ambient-aware headset
US20060182287A1 (en) * 2005-01-18 2006-08-17 Schulein Robert B Audio monitoring system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11683643B2 (en) 2007-05-04 2023-06-20 Staton Techiya Llc Method and device for in ear canal echo suppression
US11856375B2 (en) 2007-05-04 2023-12-26 Staton Techiya Llc Method and device for in-ear echo suppression

Also Published As

Publication number Publication date
ES2310977A1 (en) 2009-01-16
ES2273616B1 (en) 2007-12-16
ES2310977B1 (en) 2009-11-20

Similar Documents

Publication Publication Date Title
EP1994728B1 (en) Headset with ambient sound
US20170180862A1 (en) Multimodal Headset
US20070127747A1 (en) Conversation switch for stereo headphones
US9002026B2 (en) Headphone with speaker function
US20140211970A1 (en) Earphone arrangements
JP4664682B2 (en) Wireless terminals providing sound pressure level dissipation through sound channel porting
KR20070105555A (en) Earphone having microphone
ES2273616B1 (en) MULTIFUNCTION HEADPHONES.
SE530137C2 (en) Headset with throat microphone in combination with an ear-tight soundproof ear speaker
WO2008077981A1 (en) Multifunction headphones
WO2009068859A1 (en) Earphone
KR101403720B1 (en) Directional speakers for mobile phones
CN2812461Y (en) Portable multi-track playing equipment
US9936296B1 (en) Device, system, and method for multimedia communications
KR101757376B1 (en) A headsets that improve the built-in multi-speaker sound headset listening
JP3122244U (en) Tabletop desk lamp with combined acoustic equipment
KR20080013608A (en) Bluetooth headset with loud speaker
TWI617201B (en) Portion electronic device and earphone controlling system thereof
TWI706680B (en) Headphone microphone mixing device of handheld device
KR20190056215A (en) Gaming Microphone Earphones
JP3155879U (en) Portable voice control system and voice control apparatus therefor
KR101928217B1 (en) Headphone having detachable earphone
SE526085C2 (en) Earpiece for mobile phone, uses microphone to pick up sound from surrounding environment
KR200300096Y1 (en) Earphone set used for both mobile audio and mobile phone
KR200364252Y1 (en) A hearing aid coupling earphone

Legal Events

Date Code Title Description
EC2A Search report published

Date of ref document: 20070501

Kind code of ref document: A1

FG2A Definitive protection

Ref document number: 2273616B1

Country of ref document: ES

FD1A Patent lapsed

Effective date: 20100610

NF2A Restoration after lapse (acc. par. 117)

Effective date: 20110512