Abstract: A portable calibration system is disclosed that calibrates an audio equipment without using a dedicated sound level meter. The calibration system comprises a coupler configured to couple a transducer to an energy sensor, where an output of the transducer is provided to the energy sensor via the coupler, an analyzer module configured to receive information from the energy sensor regarding the output of the transducer, a processor, in the analyzer module, configured to process the information to provide a result of a calibration for the audio equipment with respect to expected results, and a display configured to display the result of the calibration.

Abstract: An in-ear stimulation device for administering caloric stimulation to the ear canal of a subject includes a frame defining a perimeter and having a center region, at least one tensioning member in the center region of the frame and being held by the frame, and an earpiece connected to the tensioning member in the center region of the frame. The frame is configured to generally rest on a head and around an ear of the subject such that the earpiece is positioned in the ear canal of the subject and the tensioning member exerts a force on the earpiece toward the ear canal of the subject.

Abstract: A headband (100) for a pair of headphones (10.1, 10.2) comprising:—a primary headband portion (110) having a first end (111) and a second end (112) configured to be connected to a respective headphone (10.1, 10.

Abstract: An earphone and a head-mounted earphone are provided. The head-mounted earphone includes a head-mounted accessory and a pair of earbud accessories. Each of the earbud accessories has a seat body, a speaker, and a connecting part. The speaker is affixed on a side of the seat body and the connecting part is disposed between the seat body and the speaker. The connecting part has a through hole, and two ends of the head-mounted accessory can be respectively disposed to be inserted into the through hole of each of the earbud accessories, such that the head-mounted accessory is detachably connected to the connecting part.

Abstract: This disclosure includes several different features suitable for use in circumaural and supra-aural headphones designs. Designs that reduce the size of headphones and allow for small form-factor storage configurations are discussed. User convenience features that include synchronizing earpiece stem positions and automatically detecting the orientation of the headphones on a user's head are also discussed. Various power-saving features, design features, sensor configurations and user comfort features are also discussed.

Abstract: This disclosure includes several different features suitable for use in circumaural and supra-aural headphones designs. Designs that enhance user comfort and improve user control of the headphones are discussed. Various sensor configurations and electronic component positions are also discussed. User convenience features that include detachable cushions and automatically detecting the donning and doffing of headphones are also discussed.

Abstract: A headphone (1) comprising a first earphone (2) and a headband (3) to be arranged around the head of a user. The headband (3) comprises a first headband part (4) and a second headband part (5), that are telescopically connected, so that the length of the headband (3) can be adjusted in a longitudinal direction (Y). The first headband part (4) comprises an inner wall (9) with a protruding longitudinal first rib (8), which first rib (8) has a first rib sidewall (35) with a first rib protrusion (33) and a second opposite rib sidewall (36) with a second rib protrusion (34). The second headband part (5) comprises an outer wall (7) with a first longitudinal groove (6), which first groove (6) has first groove sidewall (20) with a first groove protrusion (22) and a second opposite groove sidewall (21) with a second groove protrusion (23).

Abstract: A headphone (1) comprising a first earphone (2) and a headband (3) to be arranged around the head of a user The headband (3) comprises a first headband part (4) and a second headband part (5), which are slidably connected to each other, so that the length of the headband (3) can be adjusted in a longitudinal direction (Y). There is provided a controlled friction mechanism, that controls the friction between the first headband part (4) and the second headband part (5). The friction mechanism comprises a first cantilever (8) comprised by the second headband part (5) and a first friction element (11) of elastomeric abutment material, which is attached to the first cantilever (8) and which due to elastic deformation of the first cantilever (8) abuts and exerts a force against a first contact area of the first headband part (4).

Abstract: This disclosure includes several different features suitable for use in circumaural and supra-aural headphones designs. Designs that reduce the size of headphones and allow for small form-factor storage configurations are discussed. User convenience features that include synchronizing earpiece stem positions and automatically detecting the orientation of the headphones on a user's head are also discussed. Various power-saving features, design features, sensor configurations and user comfort features are also discussed.

Abstract: An earphone device (1) to be worn in the ear, which earphone device (1) comprising a main body (18) to be arranged in the concha (19) of the outer ear (14) of a user and an optical sensor (35), which optical sensor (35) comprises a light emitter (16) and a light detector (17). The earphone device (1) comprises window means (8, 9) through which light emitted by the light emitter (16) can be transmitted. The window means (8, 9) comprises an end face (31) adapted to abut a conchal wall (37) at a sensing position (36). The main body (18) comprises a speaker protrusion (26) to be inserted into to ear canal (15). The distance between the speaker protrusion (26) and the end face (31) is adjustable.

Abstract: An earphone, comprising a rear housing, a front housing, and a loudspeaker unit which divides a cavity formed by the rear housing and the front housing into a front and rear acoustic cavities; wherein the earphone further comprises a sound adjusting element; the front housing is provided with a sound outlet hole and mode posts, and the sound adjusting element is provided with a sound adjusting hole corresponding to the sound outlet hole and a mode adjustment groove corresponding to the mode posts; when the sound adjusting element rotates, the mode adjustment groove may be limited by different mode posts, thus adjusting the volume of the front acoustic cavity and the area of a sound hole for the front acoustic cavity. Use of the above-described invention enables the middle and high frequency responses of the earphone to be adjusted and enables a single earphone to provide different sound characteristics.

Abstract: According to various embodiments, a headset device may be provided. The headset device may include: an orientation determination circuit configured to determine an orientation of the headset device; a left emitter array including a first plurality of sound emitters; a right emitter array including a second plurality of sound emitters; and a controller configured to control for each sound emitter of the first plurality of sound emitters and of the second plurality of sound emitters the sound emitted by the respective sound emitter based on the determined orientation.

Abstract: Methods and systems for providing multiple audio streams, such as a game audio stream and network chat audio stream, to a headset of a user of a gaming device are described. An exemplary system may include a gaming device having a port and that is adapted to transmit game audio and network chat to a transceiver inserted into the port thereof. The transceiver may be configured to receive local user chat. The system may also include a transceiver inserted into the port of the gaming device, the transceiver adapted to receive the game audio and the network chat transmitted from the gaming device, transmit the received game audio and network chat to a wireless headset, receive local user chat from the wireless headset, and transmit the received local user chat to the gaming device.

Abstract: An ear warming article that can be comprised of a C-shaped resilient band, an outer sleeve and a speaker or other electronic device is described. The outer sleeve is dimensioned to contain the resilient band, and includes two insulating, ear-receiving portions as well as a first opening through which the resilient band can be inserted or removed to yield an assembled or disassembled article, respectively. In a preferred embodiment, the article includes an electronic device having one or more speakers located at the ends of the resilient band; additional openings in the outer sleeve may exist for any control functionality associated with the electronic device(s). The outer sleeve can be comprised of a washable fabric material, particularly suitable as a means for interchangeable advertising (team logo, branding, etc.). In other embodiments, the ear warming article includes additional advertising and/or securing features.

Abstract: Headphones or a headset comprise a pair of electro-acoustic transducers (1, 2), both ear-pieces and an earpiece and a microphone are carried at opposite ends of a curved headband (3) that is formed by a chain of links (500-511) that are hinged to one another and the transducers (1, 2). Each link (5) involves a shell-casing (8) that on an underside has a first pair of mutually-spaced projecting lugs (9) and has a second pair of mutually-spaced projecting lugs (10) that nest with the first pair of lugs (9) of the next-following link (5). The nested lugs (9, 10) are pierced transversely and pivot pins (11) are inserted in the piercings to establish hinges (7) between the links (5). The transducers (1, 2) are hinged to the ends of the headband (3) to enable the headphones or headset to be rolled up lengthwise of the headband (3).

Abstract: The present disclosure relates to a height adjustment arrangement (100) for an ear cup in a hearing protector unit, wherein the height adjustment arrangement (100) comprises an elongated member (130) and a tubular holding member (110) connected to the elongated member, wherein the holding member provides a substantially hollow interior (111). The height adjustment arrangement further comprises a clamping member (120), wherein the clamping member is arranged to be moved from an unlocked position, in which position relative movement between the elongated member (130) and the holding member (110) is enabled, to a locking position, in which position relative movement between the elongated member and the holding member is prevented. The holding member (110) comprises a first locking member (114), wherein the second end of the holding member is provided with two flanges (115a, 115b) tapering in a direction towards the clamping member, and wherein the first locking member and the flanges are axially separated.

Abstract: The utility model provides a headphone, comprising a headband, left and right two ear pads and a holder. Two ends of the headband are separately provided with a fixing component, the fixing component includes a conductor block; the holder is made of the conductive material, of which one end is respectively connected with the left and right two ear pads fixedly and the other end is respectively connected with the fixing components in a sliding way, and the conductor block is pressed against the holder; in the ear pads, the first group of signal wires is connected to the holder electrically; in the fixing components, the second group of signal wires is connected with the conductor block electrically.

Abstract: In described embodiments, a wrestling headgear assembly is disclosed. The headgear includes a first ear piece and a second earpiece connected to the first earpiece by at least two connections. Each of the first and second earpieces comprises a generally planar inner layer constructed from a compressible material. The inner layer has a generally central inner opening extending therethough. A generally convex outer layer is fixedly attached to the inner layer. The outer layer is constructed from a rigid material and includes a plurality of outer openings aligned with the inner opening. A sound speaker is located between the inner layer and the outer layer such that the speaker is aligned with the inner opening.

Abstract: A headset comprising a ball joint that connects the an earpiece with an earpiece support is described herein. While the headset can include any suitable component, in some cases, it includes an earpiece that configured to be worn in close proximity to a user's ear, an earpiece support configured to attach to a user's head, and a ball joint that adjustably couples the earpiece to the earpiece support. In some such embodiments, the ball joint further includes a rounded object and a first and a second extension that are configured to apply pressure to the rounded object to adjustably hold the earpiece in relation to the earpiece support. In some cases, by using the ball joint, the earpieces can be rotated in multiple axes, thereby allowing users to position the earpieces in many orientations. Other implementations are described.

Abstract: A headset comprises a headband for supporting the headset on a user's head, an earpiece including an audio driver and a microphone boom including a microphone. The microphone boom is rotatable when the headset is located on a user's head from an operative position in which the microphone boom is directed towards the user's mouth to a stowed position in which the microphone boom is at least partially received in a recess defined in the headset.

Abstract: A headphone with articulating earpieces includes a headband, a hinged fork, and earpieces connected to the fork in a manner allowing the earpieces to articulate relative to the fork as a hinge on the fork articulates. The earpieces are arranged on the fork in a manner allowing them to face each other while articulating from a folded position adjacent the headband, to an unfolded position for listening. When unfolded for listening, the earpieces are adapted to fully extend into a biased open position with an audible click. Similarly, when articulating the earphones to a closed position, they are biased against the headband with an audible click.

Abstract: A headphone with articulating earpieces includes a headband, a hinged fork, and earpieces connected to the fork in a manner allowing the earpieces to articulate relative to the fork as a hinge on the fork articulates. The earpieces are arranged on the fork in a manner allowing them to face each other while articulating from a folded position adjacent the headband, to an unfolded position for listening. When unfolded for listening, the earpieces are adapted to fully extend into a biased open position with an audible click. Similarly, when articulating the earphones to a closed position, they are biased against the headband with an audible click.

Abstract: A headset comprises a body, an audio transducer, an arm, a detector and processor. The detector can indicate whether the arm is in a first or second position. The headset operates in a headset mode or speakerphone mode responsive to the arm's position.

Abstract: The adjustable headset is an all in one device that includes an adjustable support band, a display system, a first and second ear cover, a computer system, a communications system, and a power source. The adjustable support band connects to each ear cover, with the ear covers being adjacent to a user's ears. The display system uses image projecting devices that use optics to refract images from through image refocusing devices and focus the projected image on a retina. The display system is attached to the ear covers by adjustable screen bars, which allow a user to change the general orientation of the display system. The computer system is capable of storing and running software programs and interfacing with connected devices by means of a set of connection ports or the communications system. The virtual goggles can adjust to meet individual comfort needs and interface with a variety of technologies.

Abstract: A tuning headphone is adapted to engage to the user's ear. The tuning headphone includes a perforated frame, a tuning frame and an acoustic generator. The perforated frame comprises a frame annular portion and a frame flat surface. The frame flat surface is arranged at a distal end of the frame annular portion away from the user's ear, and has portions defining at least one frame opening. A surface of the frame annular portion proximate to the user's ear is a curved inner face. The tuning frame has portions defining at least one opening and rotatably covers an end of the perforated frame distal from the user's ear, thereby providing adjustability to the air communicable area between the opening and the frame opening. Moreover, the acoustic generator is configured at a proximal end of the frame annular portion near the user's ear.

Abstract: The adjustable headset is an all in one device that includes an adjustable support band, a display system, a first and second ear cover, a computer system, a communications system, and a power source. The adjustable support band connects to each ear cover, with the ear covers being adjacent to a user's ears. The display system uses image projecting devices that use optics to refract images from through image refocusing devices and focus the projected image on a retina. The display system is attached to the ear covers by adjustable screen bars, which allow a user to change the general orientation of the display system. The computer system is capable of storing and running software programs and interfacing with connected devices by means of a set of connection ports or the communications system. The virtual goggles can adjust to meet individual comfort needs and interface with a variety of technologies.

Abstract: An augmented custom fit headset (300) is disclosed. The augmented headset (300) can include: a wearable module (310) configured to be worn around a user's head including an outer band structure (312) with left and right ends (314) and (316), at least one of the left and right ends (314) and (316) having an inner facing cavity (318); earpiece modules (322) and (324) including left and right speakers (326) and (328) connected to the left and right ends (314) and (316); and a removable inner band (330) including a plug portion (332), the plug portion (332) being snap connected to the inner facing cavity (318), defining a snap connector (336). Advantageously, this structure provides an improved removable inner band (330), which is effective, economical, reliable and easy to use. Also, this construction helps to allow the plug portion (332) to remain in place, during use, and can slightly deflect or bend inwardly, to facilitate insertion and removal.

Abstract: An earphone is provided. The earphone includes an audio cable, a cable-splitting sheath, two earphone bodies and a slidable clipper. The audio cable includes a first cable, a second cable and a main cable. The cable-splitting sheath includes a first end and a second end opposite to each other. The first end is connected to the main cable and the second end is connected to the first cable and the second cable. The first cable and the second cable are connected to the earphone bodies respectively. The slidable clipper includes a clipping portion suitable for clipping an object so as to fix the first cable and the second cable to the object.

Abstract: A headset for voice communication is provided, the headset has a first earphone housing being rotatable about a first rotational axis, and a pickup unit comprising at least one microphone arranged on the earphone housing. The earphone housing comprises an earphone housing circuit, a first speaker for receiving a speaker signal from the earphone housing circuit, and at least a first ring of electrically conductive material formed annularly about the first rotational axis and mounted in electrical contact with the earphone housing circuit. An earphone housing connector part comprises at least a first set of contact members mounted in the earphone housing connector part so as to provide electrical connection between the at least first set of contact members and the at least first ring, to thereby connect the at least first set of contact members to a second speaker and/or an electronic circuit for processing signals.

Abstract: Combination headphones having internal speakers and external speakers. A controller allows for audio to be emitted from the internal speakers, the external speaker, or both. The headphones have earpieces detachably connected at opposing ends of a headpiece in such a way that the earpieces may be collapsed toward the headpiece and stacked onto each other.

Abstract: An earpiece is disclosed. The earpiece includes a housing forming a volume therein, a number of sound holes arranged in the front end and rear end of the housing, a sound generator accommodated in the volume, an ear gel attached to a front end of the housing, a wire electrically connected to the sound generator, wherein a adjusting module is assembled to the housing, a plurality of front vents are disposed on the front end of the housing, and the amount of the front vents communicating with the volume is mechanically altered by the adjusting module.

Abstract: An assembly for holding a personal speaker relative to a user's ear. A headband assembly can include a band, a sleeve attached to an end of the band, and an arm moveably secured to the sleeve. The sleeve can include a pair of laterally opposed detent channels, and the arm can include a pair of spring-loaded bearings. Each spring-loaded bearing can engage one of the laterally opposed detent channels. The headband assembly can be adjusted by moving the arm relative to the sleeve. An arm of the headband assembly can be pivotally secured to a yoke by a magnetic pivot arrangement. The magnetic pivot arrangement can include a groove, a protrusion, and magnetic elements. A yoke can be pivotally secured to a housing by housing pivot arrangement. The housing pivot arrangement can include a pin extending from the yoke and a collar retained in the housing.

Abstract: The invention pertains to headphones that can be folded into a compact size and carried around while they are out of use. To improve operability in collapsing and expanding operations, headphone units are attached to joint portions on respective ends of a headphone band that are movable via vertical movement mechanisms. The vertical movement mechanisms include a pair of suspending members provided on both sides of respective joint portions that are slidable in opposing directions, a holding means arranged between the suspending members, and a pair of rotating members. One end portion of the rotating members is attached to the holding means, which are rotatable via synchronous rotation means. One end portion of the respective rotating members rotatably attaches to a corresponding suspending member, so the holding means is movable in a vertical direction with respect to the suspending members via the rotating members.

Abstract: A noise-reducing headset, comprising a suspending arm, a connection device, and an ear cover part is disclosed. An engaging device is disposed on both ends of the suspending arm, wherein a position fixing part is disposed on one end of each of the engaging devices. Both ends of each of the connection device are respectively provided with a pivot joint part and an opening for engaging the engaging device. One side of the connection device is provided with a hollow slot. The hollow slot is communicated with the opening such that the position fixing part adjusts the distance the suspending arm entering into the connection device. Moreover, the ear cover part is connected to the pivot joint part of the connection device such that the noise-reducing headset can be collapsed inward by using the pivot joint part to make the noise-reducing headset convenient for a user to take along.

Abstract: A portable electronic device having an audio jack is provided. The device comprises: a processor provided in a housing; a display screen; a jack provided in the housing, the jack being sized for receiving a plug of an audio accessory of the plurality of audio accessories; electrical connectors provided in the jack for enabling communication between the audio accessory and the processor, each of the electrical connectors for contacting a corresponding electrical connector of the plug; and a switching circuit in communication with the processor and two of the electrical connectors. For the device, upon detection of insertion of the plug into the jack, the processor is adapted to generate a prompt on the display screen to allow selection of a pin-out configuration for the audio accessory from different pin-out options for the audio accessory. A method of configuring audio jacks for an electronic device is also provided.

Abstract: An enclosure which provides a storage of mobile phone headset cables as well as a means to extend and retract said headset cables is disclosed. The enclosure allows the headset cables to be wound internally onto a large diameter reel while a mobile phone connecting cable is wound onto a smaller spool, thereby allowing a greater length of headset cables to be extended. A button enables said cables to be retracted to eliminate slack while the device is in use, or to completely retract the cables when the device is disconnected from the phone. The retracted cable portions may be contained within the enclosure which further comprises a plurality of nests along external surfaces for the storage of ear buds, a microphone, and the phone connection plug in a flush manner, thereby avoiding the entanglement of exposed loose cables.

Abstract: An earphone single-shaft structure includes a head strip, a cap body, and a single-shaft component. The single-shaft component is located at a housing of the cap body and connected to the head strip. The single-shaft component includes a body, a rotating shaft, a shaft hole, a pivot area and swinging areas. When the head strip rotates for a first angle about the pivot area, two ends of the head strip are located on one side of each swinging area, so that the cap body rotates in a first direction, and when the head strip rotates for a second angle about the pivot area, the two ends of the head strip are located on the other side of each swinging area, so that the cap body rotates in a second direction.

Abstract: A behind-the-head mounted personal audio set that allows a mono-aural personal audio device to be worn in either a wearer's left or right ear without the need to remove or detach individual components of the personal audio sent and mount is disclosed. In a disclosed embodiment, the personal audio device has two earphone portions and the mount allows the audio device to operate in either mono or stereo modes wherein one of the earphones may be moved away from a wearer's ear when needed, such as when driving. A boom microphone is preferably pivotally secured to one of the earphone portions.

Abstract: A set of adjustable and convertible headphones includes a headband, an adjustment member, and an earpiece. The adjustment member is connected to the headband by a hinge; earpiece has a channel receiving the adjustment member and is slidably connected to the adjustment member. Rotation of the adjustment member with respect to the headband is spring-loaded in only one direction. The adjustment member and the earpiece in combination include a detent mechanism for resisting sliding movement of the earpiece with respect to the adjustment member. The adjustment member may be completely removed from the channel, thereby disconnecting the earpiece from the headband. The earpiece may then be replaced by another ear covering (e.g., an earmuff, an ear protector, etc.) as desired. The replacement ear covering may include an audio speaker, for example an audio/earmuff combination earpiece.

Abstract: An assembly for holding a personal speaker relative to a user's ear. A headband assembly can include a band, a sleeve attached to an end of the band, and an arm moveably secured to the sleeve. The sleeve can include a pair of laterally opposed detent channels, and the arm can include a pair of spring-loaded bearings. Each spring-loaded bearing can engage one of the laterally opposed detent channels. The headband assembly can be adjusted by moving the arm relative to the sleeve. An arm of the headband assembly can be pivotally secured to a yoke by a magnetic pivot arrangement. The magnetic pivot arrangement can include a groove, a protrusion, and magnetic elements. A yoke can be pivotally secured to a housing by housing pivot arrangement. The housing pivot arrangement can include a pin extending from the yoke and a collar retained in the housing.

Abstract: An earphone has an ear cushion mounted thereon to be freely tiltable. The body includes an outer case enclosing a sound wave generating means, and a ball joint provided at an end portion of the outer case that has a sound wave path that propagates sound waves out of the body and having an opening communicating with the sound wave path. An operation holder mounted on the outer circumference of the ball joint includes a frictional ball seat whose inner surface contacts with the outer circumference of the ball joint so as to combine an internal passage communicating with the inner space of the frictional ball seat, and a periphery for the ear cushion. Thus, the earphone becomes sturdier because the body and its outer portion are not structurally weakened. Productivity improves by process simplification. The assembly of the sliding portion is done only on the outside of the body.

Abstract: A headset (1) comprising an attachment device (2) for attaching the headset (1) to the head of a user and a speaker housing (3). The speaker housing 3 is connected slidable along and rotatable about a first axis (X) to the attachment device (2), such that it can be placed into a selected longitudinal and angular position within a longitudinal interval (LI) and an angular interval (AI). The longitudinal interval (LI) comprises a first zone (Z1) and a second zone (Z2), and the speaker housing (3) can rotate through a first angular interval (AI1), when in the first zone (Z1) and through a second angular interval (AI2), when in the second zone (Z2). The first angular interval (AI1) is larger than the second angular interval (AI2).

Abstract: In accordance with an example embodiment of the present invention, an apparatus is disclosed. The apparatus includes a connector plug housing member and a connector plug contact member. The connector plug housing member includes a first contact pin and a second contact pin. The connector plug contact member includes a first contact section and a second contact section. The connector plug contact member is configured to be positioned in the connector plug housing member in a first position. The connector plug contact member is configured to be positioned in the connector plug housing member in a second position. The first position corresponds to a first pinning order. The second position corresponds to a second pinning order.

Abstract: A noise-reducing headset, comprising a suspending arm, a connection device, and an ear cover part is disclosed. An engaging device is disposed on both ends of the suspending arm, wherein a position fixing part is disposed on one end of each of the engaging devices. Both ends of each of the connection device are respectively provided with a pivot joint part and an opening for engaging the engaging device. One side of the connection device is provided with a hollow slot. The hollow slot is communicated with the opening such that the position fixing part adjusts the distance the suspending arm entering into the connection device. Moreover, the ear cover part is connected to the pivot joint part of the connection device such that the noise-reducing headset can be collapsed inward by using the pivot joint part to make the noise-reducing headset convenient for a user to take along.

Abstract: A mountable multi-directional audio device comprises at least one broadcasting device, which has a sounding portion outwardly; and at least one connecting member, the any end of the connecting member is connected with the broadcasting device.

Abstract: There is provided a headphone including a headband having flexibility; a slider having flexibility with the headband attached at one end, and a headphone unit attached at the other end; a slide groove, arranged at an end of the headband or the one end of the slider, for guiding a circling movement of the slider with respect to the headband; and a slider guide, having rigidity higher than the headband and the slider, for holding the one end of the slider at the end of the headband so that one surface of the slider facing one surface of the headband circling moves with respect to the one surface of the headband while being engaged to the slide groove. A headphone that can be thinned while suppressing lowering of the attachment property is provided.

Abstract: A headset comprising a head band assembly including a left-side head band curved to extend from a crown end toward a temple end at a left temple region of a wearer's head; a right-side head band curved to extend from the crown end toward a temple end at a right temple region of the wearer's head; an elbow including a first end coupled to the temple end of the left-side head band or the temple end of the right-side head band, a second end opposite the first end, and a bend between the first end and the second end; an ear bud stem pivotally coupled to the second end of the elbow; and an ear bud coupled to the ear bud stem.

Abstract: The earphone housing is essentially mirror symmetric about a first plane, which is orthogonal to the first side, and which extends through the wire position and the center of the earphone housing. The wearing device extends from the earphone housing at an attachment position, which lies at the upper end of the earphone housing. The attachment position can be a first attachment position for holding the earphone housing at the left ear or a second attachment position for holding the earphone at the right ear. The first and the second attachment positions are mirror symmetric located about the first plane.

Abstract: A combined headphone set including a speaker assembly. The headphone set includes a headband having a speaker headphone on opposing ends of the headband. Each of the speaker headphones includes an exterior speaker for public listening and an interior speaker for personal listening by the user. One of the speaker headphones includes switching means for listening to the interior speaker or to the exterior speaker or to the interior and exterior speakers simultaneously from each of the speaker headphones. Each of the speaker headphones includes an audio signal wire connected from an output jack of an audio device to the speaker headphones.

Abstract: A module for containing an earpiece for an audio device, the earpiece having at least one protruding electrical contact. The module comprises a first portion and a second portion, the first portion and the second portion being opposable and forming a cavity sized to accommodate an earpiece. The module further comprises at least one electrical contact within the cavity, on one of the first portion and the second portion. The electrical contact is positioned to engage a protruding electrical contact of the earpiece positioned within the cavity.