Abstract: A removable component for use with an earphone is disclosed. As an example, the removable component can be an ear tip. According to one aspect, an improved ear tip can be provided for use with a headphone. The ear tip is suitable for in-ear operation and can have a cosmetic deformable outer member. The deformable outer member can enable the ear tip to readily conform to a user's ear. The ear tip can also include an inner member to structurally support the outer member and to facilitate attachment to a headphone. Methods for forming such ear tips are also disclosed.

Abstract: Accessories such as headsets for electronic devices are provided. A headset may be provided with a button controller assembly that has user-actuated buttons. The button controller assembly may be formed of housing portions that float with respect to each other. Plastic engagement structures may limit the amount of unimpeded travel that is exhibited by the housing portions. The housing portions may be formed from first and second housings. A rigid frame may be mounted within the second housing. The first housing may flex along its length when the user squeezes the first and second housings together to actuate a desired button. Housings may be formed as double-shot plastic parts having first and second plastics with different properties. Integrated circuits and a microphone may be mounted within the button controller assembly. A nonoperational microphone port may be provided as a visual indicator that the button controller contains a microphone.

Abstract: Molded splitter structures and systems and methods for manufacturing molded splitter structures are disclosed.

Abstract: Methods, apparatus and systems which provide buttons oriented at angles relative to each other as a part of a multiple function switch are described. In one embodiment, the multiple function switch is part of an inline controller that is suitable for use to control features or functions of a portable electronic device. A multiple function switch may be incorporated in a cable associated with an earpiece arranged to be interfaced with a portable electronic device.

Abstract: Systems, apparatus and methods are discussed for controlling resonance in in-the-ear headphones. Resonance effects resulting from wave reflection and superposition can occur in the cavity formed by the port tube of an earbud and the wearer's ear canal. In this invention, acoustically resistive structures are provided to create sound diffusion in the cavity. In one embodiment, a spring coil with several adjustable parameters is inserted into the port tube. In another embodiment, a pattern of grooves is carved into the inner surface of the port tube. Porous filters can also be used in conjunction with both of the embodiments described above. The result of providing the resistive structures in an earbud is a flattened cavity frequency response and improved sound quality.

Abstract: Systems and methods for assembling non-occluding earbuds are disclosed. The earbud includes a non-occluding housing having a directional sound port offset with respect to a center axis of the earbud. The housing can have an asymmetric shape amenable to in-the-ear retention. Additionally, the housing can have a seamless or nearly seamless construction even though two or more parts are joined together to form the housing.

Abstract: A compact power adapter is disclosed. In one embodiment, a compact power adapter is facilitated by improved approaches to construct and assemble the power adapter. According to one aspect, connectors can serve to electrically couple blades (or prongs) of a power adapter plug to a printed circuit board assembly internal to a housing for the power adapter. The connectors serve to couple AC power to the printed circuit board assembly where the AC power can be converted to DC power. The connectors also facilitate assembly of the power adapter in that reliable interconnections can be provided without wires, soldering or other custom assembly operations. In one embodiment, a base for a power adapter plug of a power adapter can include a metal base connected to a blade (or prong) of the power adapter plug. The metal base can provide mechanical support to the blade as well as electrical connectivity to an internal terminal for the power adapter plug.

Abstract: An outer cover for an electronic device, such as a portable electronic device, is disclosed. Since portable electronic devices are often portable, they can be damaged, such as scratched, dented, broken, and the like, when transported or used. The outer cover can serve to provide a protective member over part of the housing for the electronic device. The protective member, when placed on the portable electronic device can serve to reduce damage to sides of the portable electronic device. While the outer cover can provide side and/or edge protection, the outer cover need not also provide front or rear protection.

Abstract: An electronic device may have buttons, a display, and a vibrator unit. Buttons may be included in electronic devices such as glass buttons, metal buttons, buttons that are assembled on printed circuit boards, and buttons that are partly formed from antenna structures. Button coatings may be used to improve the sliding performance of metal-on-metal buttons. A layer of polymer may be interposed between a button plate and a housing structure. A glass button member may have an underside on which a layer of patterned ink is formed. Elastomeric members may be used to reduce button rattle. Portions of a button may be provided with conductive features that form portions of an antenna.

Abstract: A small form-factor input device operative to be coupled to an electronic device using a cable may include a circuit board; a first electrical switch disposed on a first side of the circuit board; a second electrical switch disposed on a second side of the circuit board; a frame defining a periphery, wherein the circuit board is maintained within the periphery of the frame; first and second shells that house the circuit board, the first shell placed over the first side of the circuit board, and the second shell placed over the second side of the circuit board; and at least one clip coupled to each one of the first shell and the second shell, wherein the at least one clip is operative to engage the frame.

Abstract: Headsets with non-occluding earbuds are disclosed. The earbud includes a non-occluding housing having a directional sound port offset with respect to a center axis of the earbud. The housing can have an asymmetric shape amenable to in-the-ear retention. Additionally, the housing can have a seamless or nearly seamless construction even though two or more parts are joined together to form the housing. Front and back volumes can exist for a driver of the earbud, and embodiments of this invention use mid-mold and rear-mold structures to achieve desired performance from the earbud. For example, the mid-mold structure can be used to tune the front volume while the rear-mold structure can be used to tune the back volume. Apertures may also be included in the housing to further improve the performance of the earbud.

Abstract: An ear piece for providing audio (e.g., from an electronic device) to the user is provided. The ear piece may include a compliant element operative to be inserted in the user's ear such that the compliant element deforms to retain the ear piece in the user's ear. The compliant element may include a connector portion coupling the compliant element to the ear piece housing, and an outer portion folded over the ear piece housing. To improve the user's comfort, the parting lines and other manufacturing defects may be hidden from view and from touch (e.g., the parting lines are then on the inner surface of the outer portion).

Abstract: To avoid undesirable electrostatic discharge events while maintaining low leakage currents, earbuds may be provided with controlled electrostatic discharge paths. The discharge paths may include discrete components such as resistors or more distributed resistive components such as resistive elastomers. A resistive elastomer may be incorporated into an interior portion of an earbud between an earbud housing structure and a ground path. A resistive elastomer may also be used in forming an ear bud tip.

Abstract: A compact power adapter is disclosed. In one embodiment, a compact power adapter is facilitated by improved approaches to construct and assemble the power adapter. According to one aspect, connectors can serve to electrically couple blades (or prongs) of a power adapter plug to a printed circuit board assembly internal to a housing for the power adapter. The connectors serve to couple AC power to the printed circuit board assembly where the AC power can be converted to DC power. The connectors also facilitate assembly of the power adapter in that reliable interconnections can be provided without wires, soldering or other custom assembly operations. In one embodiment, a base for a power adapter plug of a power adapter can include a metal base connected to a blade (or prong) of the power adapter plug. The metal base can provide mechanical support to the blade as well as electrical connectivity to an internal terminal for the power adapter plug.

Abstract: An electronic device may have buttons, a display, and a vibrator unit. Buttons may be included in electronic devices such as glass buttons, metal buttons, buttons that are assembled on printed circuit boards, and buttons that are partly formed from antenna structures. Button coatings may be used to improve the sliding performance of metal-on-metal buttons. A layer of polymer may be interposed between a button plate and a housing structure. A glass button member may have an underside on which a layer of patterned ink is formed. Elastomeric members may be used to reduce button rattle. Portions of a button may be provided with conductive features that form portions of an antenna.

Abstract: The present description is directed to small form-factor input devices operative to be coupled to an electronic device using a cable. For example, in some embodiments, an input device is described for providing one or more inputs to an electrical device, wherein the input device comprises a circuit board having first and second sides; a first electrical switch disposed on the first side of the circuit board; a second electrical switch disposed on the first side of the circuit board; a third electrical switch disposed on the second side of the circuit board; a frame defining a periphery, wherein the circuit board is maintained within the periphery of the frame; top and bottom shells that house the circuit board, the top shell placed over the first side of the circuit board, and the bottom shell placed over the second side of the circuit board; and at least one clip coupled to each one of the top shell and the bottom shell, wherein the at least one clip is operative to engage the frame.

Abstract: Electronic devices may include electronic device structures such substrates, structures with cavities, and housing structures. Tape may be used to seal components to the surface of a substrate or within a cavity. The tape may have a nonstick polymer layer such as a layer of parylene and one or two layers of adhesive. The nonstick layer may be formed in a pattern so that some of the layer of adhesive is uncovered by the nonstick layer. The nonstick layer may be oriented so that the adhesive is interposed between the nonstick layer and a sealed component or may be oriented so that the nonstick layer is interposed between the adhesive layer and the sealed component. The component that is sealed by the tape may be an electrical component such as a dome switch or other mechanical or electrical component.

Abstract: To avoid undesirable electrostatic discharge events while maintaining low leakage currents, earbuds may be provided with controlled electrostatic discharge paths. The discharge paths may include discrete components such as resistors or more distributed resistive components such as resistive elastomers. A resistive elastomer may be incorporated into an interior portion of an earbud between an earbud housing structure and a ground path. A resistive elastomer may also be used in forming an ear bud tip.

Abstract: Improved techniques are disclosed for housing electronic components. A first housing member can be made to have an exterior surface that covers a majority of the housing. The first housing member can be of unitary construction. The first housing member can be seamlessly constructed. The first housing member can be formed in one injection molding. An electrical power conduction pin can extend through an aperture in a cover plate, and can be arranged for mechanically coupling the cover plate with a major interior surface of the first housing member, so as to secure the cover plate to the first housing member.

Abstract: An ear piece for providing audio (e.g., from an electronic device) to the user is provided. The ear piece may include a compliant element operative to be inserted in the user's ear such that the compliant element deforms to retain the ear piece in the user's ear. The compliant element may include a connector portion coupling the compliant element to the ear piece housing, and an outer portion folded over the ear piece housing. To improve the user's comfort, the parting lines and other manufacturing defects may be hidden from view and from touch (e.g., the parting lines are on the inner surface of the outer portion).