Abstract: Corded devices, such as headphones and power suppliers, can be stored in a case that reduces the tendency of their cords to tangle without the need for wrapping or winding.

Abstract: The present invention provides a double earphone structure and an electronic device. The double earphone structure comprises a primary earphone assembly having a primary earphone rod, and a secondary earphone assembly having a secondary earphone rod which can be in snapping connection with the primary earphone rod. When desired in use, the secondary earphone rod is detached from the primary earphone rod, and the primary earphone receiver and the secondary earphone receiver can be used simultaneously so as to obtain dual-channel, stereo effect. When not in use, the secondary earphone rod is connected with the primary earphone rod via a snapping structure, so it is convenient to retract the double earphone structure into an earphone cable retracting means.

Abstract: An earphone facilitating the tying and untying of an earphone wire comprises a speaker portion worn in both ears, a branch line portion having one side connected to the speaker portion, a joint part in which at least two branch lines are joined, a single line portion having one side connected to the joint part, a connection portion disposed at the other side of the single line portion to be connected to a terminal of a sound system, and a tying portion with which ties a folded earphone wire and having an elastic helical coil spring shape and a hollow tube shape. The tying portion also surrounds a part of outer surface of the single line portion and is capable of sliding along the single line portion.

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: A system for securing headphone transducers is provided. In one aspect of the present invention, the system comprises a first transducer device having a first mechanical housing, which has an outer surface and an inner surface. A first coupling device is affixed to the outer surface of the first mechanical housing of the first transducer device. A second transducer device has a second mechanical housing, which has an outer surface and an inner surface. A second coupling device is affixed to the outer surface of the second mechanical housing of the second transducer device. The first coupling device is coupled to the second coupling device when in close proximity to each other, such that the inner surfaces of the first and second mechanical devices are opposed to each other.

Abstract: A case for a mobile device includes a rear panel, a plurality of walls extending around the rear panel, a base portion having a jack configured to receive a power cord input, a first aperture configured to receive a first earbud, a first electrical contact of the first aperture configured to engage a first corresponding charging contact of the first earbud, a second aperture configured to receive a second earbud, a second electrical contact of the second aperture configured to engage a second corresponding charging contact of the second earbud, a first electrical connection configured to engage the jack with a power input port of the mobile device, and a second electrical connection configured to engage the jack with the first electrical contact and the second electrical contact.

Abstract: An extendable and retractable earpiece or audio headset cable assembly for mobile electronic devices having an audio output port having a mount attached to a portion of the mobile communication or sound device, such as the battery access door or panel. An earpiece cable reel housing is removably connected to the mount, and the mount includes a flange having an outwardly extending rim. The reel housing includes a slot that receives and engages the rim of the flange to removably attach the reel housing to the mount. In another embodiment, the mount is integrally formed with the battery access door or panel. In a further embodiment, the reel housing is integrally formed with a protective casing that is attached to the mobile electronic device.

Abstract: An extendable and retractable earpiece cable assembly for mobile communication or sound devices including a reel housing integrally formed with or detachably connected to a casing for protecting a mobile electronic device. The reel housing includes a reel mechanism around which the earpiece cables are removably wound. The reel housing includes a flexible wall that is located adjacent an actuator in the reel housing, the actuator operable to retract the earpiece cables Into the reel housing. The earpiece cables are extendable from and retractable into the reel housing. Each of the earpiece cables have one end attached to an earpiece and each of the earpiece cables have a second end attached to a connector plug to electrically connect the earpieces to the mobile electronic device. The casing or fee reel housing also supports a carrying clip that allows a user to attach the mobile communication or sound device and earpiece assembly to an article of clothing or other accessory item supported by the user.

Abstract: An earphone receiving assembly for receiving an earphone includes a main body surrounding an accommodating space for receiving the earphone and defining an opening communicating with the accommodating space, a cover releasably locked in the opening, and a releasing assembly. The releasing assembly includes a fastening member secured to the main body and a rotating member rotatably assembled to the fastening member. The cover is slidably assembled to the rotating member. When the cover is released from being locked within the opening, the rotating member rotates and lifts the cover from the opening to expose the earphone.

Abstract: The present invention relates to a headset device, an audio device and methods of receiving a radio signal via the headset device, wherein the headset device comprises at least one first conductor for supplying an audio signal to a respective ear-piece, a second conductor arranged in a loop configuration for providing a magnetic antenna, and a connector (50) having at least one respective first connecting portion (3, 4) for providing a connection to the at least one first conductor (140), a second connecting portion (1) for providing a connection to a first end of the second conductor (70), and a third connecting portion (2) for providing a connection to a second end of the second conductor (70), wherein an output of the magnetic antenna is provided between the second and third connecting portions (1, 2). At the audio device, an impedance transformer (10) is coupled to the second and third connecting portions at its primary side and to an amplifier (20) at its secondary side.

Abstract: A keyed caddy storage system stores an earphone set proximate a digital media device (DMD). The keyed caddy storage system includes a first caddy configured for holding the earphone set and having a first keyed coupling. The keyed caddy storage system also includes a case configured for attachment to the DMD and forming a storage area for storing the earphone set held by the first caddy. The case has a second keyed coupling mateable with first keyed coupling to removably secure the first caddy within the storage area.

Abstract: Headsets are provided with integrated switch assemblies. An integrated switch assembly can include a switch hidden from view by a housing. The switch can be activated when a user applies pressure to the housing. The housing may include a flexible housing cover that, when depressed, may engage the switch contained within the housing. When engaged, the switch may move or snap to a switch activation position within the housing.

Abstract: The present invention relates to a Bluetooth device and an audio playing method using the same. In which the Bluetooth device may be a Bluetooth headset, including: a locus detection unit, an identification unit and a Bluetooth module, wherein the locus detection unit is configured to detect a motion locus of the Bluetooth headset during a process where the Bluetooth headset is placed onto the user's ear; the identification unit configured to identify whether the Bluetooth headset is placed on the user's left ear or right ear by comparing the motion locus of the Bluetooth headset with predetermined left ear or right ear characteristic loci, and transmit an identification result to the Bluetooth module; the Bluetooth module is configured to receive left channel audio signal when the identification result of the identification unit is left ear, and receive right channel audio signal when the identification result is right ear.

Abstract: An audio jack system includes a special audio jack adaptor that is particularly useful for digital players (e.g., cell phone, smartphone, MP3 player, computer, etc.) housed within watertight enclosures. When a headset is plugged directly into the digital player, the player's audio signal automatically goes to the headset, and the digital player's onboard speaker is silent. When nothing is plugged into the digital player, the audio signal automatically goes to the player's onboard speaker. When just the special adaptor is plugged into the player, the audio signal still goes to the onboard speaker; however, subsequently plugging the headset into the plugged-in special adaptor redirects the audio signal to the headset and not to the onboard speaker. To accomplish such results, a plug end of the adaptor includes a split-ring or split-tip set of open contacts that effectively close upon plugging the headset into a receptacle end of the adaptor.

Abstract: A case for a mobile communications device is provided that is configurable to take on at least two audio/audible configurations. The first audio/audible configuration is a handset configuration and the second audio configuration is a headphone/earphone/earbud configuration. The case has a housing and a headphone male connector. The headphone male connector forms part of a headphone male connector assembly. The headphone male connector assembly is capable of moving the headphone male connector to selectively and/or mechanically engage a mobile communications device headphone port to actuate the first audio/audible configuration in a first position, and to actuate the second audio/audible configuration in a second position. A method of switching between different modes of operation of a mobile communications device, such as an iPhone™ smartphone, using the functionality of a removable, protective case for the device is also provided herein.

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: The invention is directed at a headset for a mobile communication device having a multi-button control and is implemented with a standard headset jack. The multi-button control is decoded by a microprocessor after which an encoded signal is then transmitted from the processor to the handset. In this manner, by using the standard jack, no additional hardware is required on the handset.

Abstract: A mobile device case includes a reel assembly, including a reel, a supporting plate, and a hub between the reel and the supporting plate. The hub includes a first cavity between the hub and the supporting plate for housing a spring, and a second cavity between the hub and the reel for housing a flat flexible cable (FFC). The spring is wound in a first direction, while the FFC is wound in a second direction. The FFC includes a first end for electrically coupling to a female jack connector of a device. A female connector is electrically coupled to a second end of the FFC for engaging a male jack connector of user-provided headphones. When the reel rotates in the first direction, the spring tightens and the FFC loosens. When the reel rotates in the second direction, the spring loosens and the FFC tightens.

Abstract: A case stores an earphone set proximate to a digital media device (DMD). The case includes a storage compartment for storing the earphone set proximate a rear side of the DMD. The earphone set may be wound onto a retaining clip that is formed to receive ear-pieces of the earphone set and has a pair of notches, disposed on opposite edges of the clip, about which the two wires are wound. A distance between inner segments of the notches is a function of the length of the wires such that an inline control panel and a junction splitter of the earphone set are positioned within a periphery of the retaining clip. The earpieces and a jack plug of the earphone set may be retained by the clip to facilitate retention of the cable and wires.

Abstract: An interface between a programming system and a set of headphones allows the transmission of both audio and digital data over analog audio signal lines of the headphones. Circuitry on the programming system is configured to transmit digital data over the analog audio signal lines by either modulating a carrier frequency with the digital data such that the digital data is transmitted over non-audible frequencies or by time-multiplexing the transmission of digital data and analog audio data. Circuitry on the headphones is configured to receive digital data by demodulating the modulated digital data or by de-multiplexing the time-multiplexed digital and analog audio data. In other embodiments of acoustic headphones which include microphones, a Talk-Through functionality may be implemented.

Abstract: The present inventive subject matter provides a headphone with a cord support that permits storage of a cord. The headphone can be moved between a closed configuration and an open configuration through extension or eversion of a headphone element or elements. In the open configuration, a structure or a surface is exposed that provides a support for winding and storage of the cord.

Abstract: A case for storing a battery which supplies drive power for a headphone includes a case body to which the battery is stored and which is capable of being inserted to an insertion hole formed at a headphone chassis and a lock pawl which is capable of being locked with a lock hole formed at the headphone chassis, while a positive terminal which is connected to a positive electrode of the battery stored in the case body and a negative terminal which is connected to a negative electrode of the battery stored in the case body are arranged, and then, a leading terminal which is connected to either the positive electrode or the negative electrode is arranged at the case body and the leading terminal is connected to either the positive terminal or the negative terminal.

Abstract: A lanyard assembly for securing a portable electronic device relative to a user. The lanyard assembly can include an I/O device, an electrical conductor, and a multi-ended portion. A cord can extend from the multi-ended portion to the I/O device and can form a loop that can be positioned around a user's neck. The electrical conductor can extend through the cord. The multi-ended portion can include a first elongate portion and a second elongate portion. An electrical connector can extend from the first elongate portion and can be configured to electrically connect to a portable electronic device. A physical connector, such as a clip, can extend from the second elongate portion and can be configured to receive at least a portion of the portable electronic device.

Abstract: The present invention provides an item of jewelry containing headphones, or a headset, enabling a wearer to interface with electronic devices. In particular, the present invention provides a necklace containing headphones or a headset, enabling a wearer to interface with electronic devices.

Abstract: Headsets with multi-color ribbon cable and related systems and methods of manufacture are provided. A representative audio headset includes: a ribbon cable having a body and multiple elongated conductors, the body being formed of electrically insulating material and extending between a connector end an earpiece end, the body having a first side and an opposing second side, the insulating material exhibiting a first color, the multiple elongated conductors being embedded in the body; a connector attached to the connector end and electrically coupled to the conductors; an earpiece connected to the earpiece end and electrically coupled to the conductors; and dye bonded with the insulating material at the second side of the body such that the second side of the body exhibits a second color different from the first color.

Abstract: An in-ear headphone system with cord management system. The system provide for conjugation of each headphone to provide a spool for winding and securing the cord about the spool.

Abstract: A headphone having reduced tendency to tangle comprises an input portion for receiving electrical signals from an output device, an output portion for providing audio signals to a user in response to the electrical signals, a plurality of wires coupled to the input portion and the output portion for providing the electrical signals to the output portion, and a restraint mechanism coupled to the plurality of wires and cable of being repositioned along the plurality of wire, wherein the restraint mechanism is for physically receiving insertion of at least a portion of the input portion and for physically restraining movement of the portion of input portion with respect to output portion when the portion of the input portion is physically inserted into the restraint mechanism, wherein a temporary and removable closed loop of wire is formed from the plurality of wires, until a sufficient separation force is applied.

Abstract: A retractable storage system for handheld electronic device comprises a removable panel with one or more storage chambers for storing an accessory item, such as a wireless earbud, cabled earbud, headphone cable or e-cigarette, and a retractable mechanism to retrieve and dispense the stored accessory item through an accessory station. The removable panel can be replaced with another removable panel configured with different structure to store different accessory item, such as a battery to charge a wireless earbud or e-cigarette.

Abstract: Electronic device assemblies may have multiple parts. A first electronic device assembly structure may be attached to a second electronic device assembly structure using a locking member. The locking member may include a tip portion that is inserted into a guiding channel in the assembly and a disposable portion that breaks away from the tip portion during assembly. Barbs on the locking member tip may resist retraction of the tip following assembly. A cam locking structure may help hold the first and second structures together. Locking features may resist longitudinal motion between the first and second structures. Snap features may provide a fail-safe mechanism to prevent disassembly of the assembly following an accidental dislodgement of the tip portion. The tip portion and assembly structures may be configured to resist bowing in the assembly structures.

Abstract: The disclosed embodiments relate to a technique for inductively charging an electronic device. This technique involves winding an audio cable for the electronic device around a charging mechanism multiple times so that one or more conductors in the audio cable form an inductive receiving coil. Next, a magnetic field is created through the charging mechanism to induce a current in the inductive receiving coil. Finally, the induced current in the inductive receiving coil is used to charge a rechargeable battery for the electronic device.

Abstract: There is provided a headset, in particular an aviation headset, having an input for receiving audio signals, an audio storage means for at least temporarily storing audio signals received by way of the input, an output unit for output of the received audio signals to at least one electroacoustic reproduction transducer and an operating unit for releasing audio signals stored in the audio storage means.

Abstract: The present invention provides a built-in telescopic earphone structure and a terminal device. The built-in telescopic earphone structure comprises a housing having a containing space, an earphone arranged within the containing space and having an earphone assembly and an earphone line, a connection means for connecting the earphone with a terminal device and transmitting signals, and an earphone line retracting means arranged within the containing space for retracting or releasing the earphone line. The built-in telescopic structure can be used to thoroughly solve the problem of earphone resource waste at the terminal device. When a user uses a terminal device (e.g., when using a telephone), it is unnecessary to lift the terminal device up to head, and the user can directly draw the built-in telescopic earphone out of the built-in telescopic earphone structure of the terminal device, thereby the harm caused by electromagnetic radiation from the terminal device is reduced dramatically.

Abstract: An earphone device having a biological information measuring apparatus, structured to facilitate insertion into a user's ear or to absorb vibration generated by external movement before or after the insertion. To this end, the earphone device includes a speaker portion, a sensor housing rotatably coupled with the speaker portion, a shaft provided in the speaker portion and the sensor housing to couple the speaker portion with the sensor housing such that the speaker portion and the sensor housing rotate together, a support housing coupled with the shaft to pass the shaft therethrough, the support housing supporting rotation of the speaker portion and the sensor housing, and a stopper portion provided in the shaft and the support housing to rotate the speaker portion and the sensor housing and then stop them before or after insertion into a user's ear, thereby facilitating the insertion or urging the speaker portion to contact the user's ear.

Abstract: An earphone easily facilitating the tying and untying of an earphone wire comprising a speaker portion; a bifurcation portion; a stopper; a single line portion; a connection portion; and a tying portion installed on the other end of the single line portion for the tying and untying of an earphone wire without an additional fixing attachment and a wire attachment which is provided for an easy storage of the earphone wire in a pocket due to the reduced volume thereof, are disclosed. The earphone equipped with the wire attachment gives advantages such as a convenient tying and untying of the earphone wire for a user and an easy storage of the earphone in a pocket due to the reduced volume of the wire attachment.

Abstract: A portable electronic device includes an earphone jack for receiving an earphone plug, a switch unit and a signal processing unit. The switch unit is connected to the earphone jack and is switchable between a first state and a second state. The signal processing unit is connected to the earphone jack and the switch unit. The signal processing unit is used to identify a type of the earphone plug received in the earphone plug and control the switch unit to switch to either the first state or the second state according to the type of the earphone plug.

Abstract: A portable electronic device includes an earphone jack circuit for receiving an earphone plug, a control circuit and a switch circuit. The control circuit sends audio to or receives audio from the earphone plug by the earphone jack. The switch circuit is set between the earphone jack and the control circuit including a first mode and a second mode. The control circuit identifies a type of the earphone plug, and switches the switch circuit to a corresponding mode according to the type of the earphone plug.

Abstract: A headset (1) for voice communication comprising a housing (2) and a pickup unit (8) rotatably connected to the housing via a joint (7). The pickup unit (8) comprises at least a first microphone (5), which is electrically connected via at least a first electrical connection to an electronic circuit for processing signals from the first microphone (5). The electronic circuit is arranged in the housing (2). The first electrical connection comprises a first sliding contact (20, 70), which comprises a housing side and a microphone side. The two sides are mutually rotatable about a rotational axis (26). One of the housing side or the microphone side of the sliding contact comprises a first annular ring (50) arranged so that the ring (50) is positioned around the rotational axis (26).

Abstract: In order to mount a plurality of kinds of earphone microphones, a mobile phone includes an earphone microphone terminal to accept either a plug of a PTT earphone microphone or a plug of an earphone microphone, and an earphone microphone switching portion to detect whether the PTT earphone microphone or the earphone microphone is accepted and switch a contact point between a plurality of contact points of the earphone microphone terminal depending on the kind of the detected earphone microphone.

Abstract: A portable electronic device includes an earphone jack capable of receiving different types of earphone plugs, a switch, a detecting terminal, and a controlling terminal. The switch is connected to the earphone jack, and capable of switching between a first state and a second state. The detecting terminal is connected to the earphone jack by the switch, and capable of detecting the type of the earphone plug received in the earphone jack. The detecting terminal is connected to the earphone jack by the switch, and capable of detecting the type of the earphone plug received in the earphone jack. The controlling terminal is connected to the switch, and switches the switch to either the first state or the second state according to the type of the earphone plug.

Abstract: A method for controlling a maximum signal level output to headphones of a wireless device is provided. The method includes: determining an impedance of the headphones; determining a carrier specific maximum signal level for headphones having the impedance; and, adjusting an audio amplifier of the wireless device coupled to the headphones to restrict the maximum signal level output to the headphones to the carrier specific maximum signal level.

Abstract: An earphone comprises an inner shell, a stem and a pivot connection. The inner shell has a generally circular periphery shaped to at least partially fit in a user's concha. The stem is mounted to the inner shell at a position spaced from a rotational center of the inner shell and supports a wire leading to the inner shell. The inner shell and the stem are rotatable relative to each other by the pivot connection to configure the earphone to fit the user's ear with the shell member positioned at least partially in the user's concha and the stem positioned exteriorly along an intertragic notch of the ear.

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: Electronic devices are provided that communicate over cables and other communications paths that include optical and electrical paths. A cable may include wires for forming an electrical path and one or more optical fibers for forming an optical path. Connectors at one or both ends of the cable may include electrical contacts and an optical coupling structure associated with the optical path. Optical paths may be included in connectors such as tip-ring-sleeve connectors and connectors of other types. Interface circuitry may be included in a connector to convert between optical and electrical signaling schemes. Wavelength-division-multiplexing may be used to support bidirectional communications. Breakout boxes and other equipment may be connected using the cables. Digital signals such as digital noise cancellation signals may be conveyed over the optical paths. Power and other electrical signals may be conveyed over the electrical paths.

Abstract: A set of earphones includes a splitter having a splitter body, having first and second ends. A signal wire extends from the first end of the splitter. Left and right earphone wires extending from the second end of the splitter. A sleeve projecting from the second end of the splitter, surrounding the left and right earphone wires. A cinch is slidably mounted on the left and right earphone wires, a portion of the cinch is adapted to fit in the sleeve projecting from the second end of the elongate body, for stowing the cinch when not in use.

Abstract: A headset includes a Bluetooth headset body, a microphone, and at least one speaker. The Bluetooth headset body includes a Bluetooth headset main-board and a battery. Interfaces provided by the Bluetooth headset main-board include the interfaces for the microphone and the speaker. Anodes of the microphone and the at least one speaker are connected to the corresponding interfaces of the Bluetooth headset main-board, respectively, and their cathodes are connected to a ground cable, respectively. The headset further includes: a headset plug, where interfaces of the headset plug are correspondingly and electrically connected to the anode of the at least one speaker, the ground cable, and the anode of the microphone, respectively; and connections between the anode of the microphone and of the at least one speaker and the corresponding interfaces of the Bluetooth headset main-board are disconnected after the headset plug is plugged in the external headset jack.

Abstract: An audio source system may be built into a garment to provide wiring from an audio source to earplugs. The wiring is brought from a point of connection to the audio source such as at a pocket and is then brought to the garment opening by tubes such as may be sewn with normal seams in construction of the garment such as side seams, sleeves seams and shoulder seams, and then into a channel at the opening, which may be a simple neck opening or a collared opening or a hood (in which the channel extends around the hood opening). An auxiliary wiring may be connected to allow a second hearing device such as ear buds or earphones. Wiring may be equipped with spring biased coils to allow stretching.

Abstract: An apparatus for conveying audio signals from an input locus to an output locus remote from the input locus includes: (a) a multi-pin unit configured for receiving at least three signal paths at the input locus, including at least two audio signal paths for conveying the audio signals and at least one ground path; (b) at least one cable unit coupled with the multi-pin unit, substantially spanning an interval between the multi-pin unit and the output locus, and presenting the at least three signal paths at the output locus; (c) a connector pin unit coupled with the at least one cable unit at the output locus, and presenting the at least three signal paths in a single-pin configuration; and (d) a filter unit coupled with the at least one cable unit for filtering at least one predetermined signal component from the at least two audio signal paths.

Abstract: Disclosed herein are retroreflective audio cords. The audio cords can be coupled to an audio jack and headphones. The cords may include braided strands of a non-retroreflective material and retroreflective material. In use, the audio cords may be used to increase the visibility of the wearer. The audio cords may also be waterproof and/or configured to float.

Abstract: A system and method for automatically changing a state of a device coupled to a headphone device is provided. The system comprises a means for detecting if at least one earpiece of the headphone device is activated or deactivated. Based on an activation state or a change in an activation state of the at least one earpiece, a state change may occur in the device. The state change is determined by a preset of a control module.