Abstract: A bistable hinge element for an eyeglasses frame, which includes a temple cage having a bottom extended laterally by two longitudinal side walls which define a housing that opens onto the proximal transverse face through an opening that is U-shaped in cross-section. The hinge element further includes a front cage which has a bottom extended laterally by two longitudinal side walls which define a housing that opens onto the proximal transverse face through an opening that is U-shaped in cross-section, and a solid body that is elastically deformable along the longitudinal axis, and which has a central portion, with a cross-section corresponding to the transverse cross-section of the U-shaped openings, which is extended at each end by a bulge of a cross-section that is complementary to the transverse cross-section of the housings of the temple and front cages.

Abstract: The present invention relates to the field of air vehicle technologies and provides an unmanned aerial vehicle (UAV), including a vehicle body and arms connected to the vehicle body. The arm is hinged to the vehicle body by using a spherical hinge portion and may be folded or unfolded relative to the vehicle body. Through the forgoing manner, the arm is connected to the vehicle body of the UAV by using the spherical hinge. The arm can be folded and unfolded smoothly without interference, which conforms to known operation habits of users, so that after the entire UAV is folded, the structure becomes more compact and easier to carry. In addition, it can be effectively avoided that the UAV is damaged due to impact in the carrying process.

Abstract: The disclosed embodiments provide a wearable electronic device. The wearable electronic device includes a frame containing a front portion configured to rest over a nose of a user, a first arm configured to rest over an ear of the user. The wearable electronic device also includes a first hinge connecting the front portion and the first arm. The first hinge includes an interior portion that houses a wire connected to a first electronic component in the front portion and a second electronic component in the first arm. The first hinge also includes an exterior portion that hides the wire during rotation of the first arm about the first hinge between a folded position and an unfolded position.

Abstract: A temple assembly for a pair of spectacles, including a spectacle temple body, a guide member, a first temple core, a second temple core, a first pivot; and a second pivot; the second temple core is elastically connected with the spectacle temple body, the guide member is sleeved on a periphery of the first temple core, and the first temple core includes a first connecting end and a second connecting end disposed opposite to each other, the second connecting end is pivotally connected to the second temple core via the second pivot, the first connecting end is pivotally connected to a pile head of a rim or an end hinge of a spectacle temple via the first pivot; the first pivot and the second pivot are disposed perpendicular to each other; and the guide member is elastically abutted the spectacle temple body.

Abstract: Eyewear device includes an eyeglass frame, a temple, and a coupling device for hingedly coupling the temple to the eyeglass frame, formed of an elastically deformable material, and including a single flexible arm of an elongate shape and a front end portion positioned and retained against the front surface of the eyeglass frame. The single flexible arm extends from the front end portion into a slot in the frame and an internal elongate slot in the temple positioned in opposing alignment therewith. The elasticity of the coupling device flexibly, hingedly couples the temple to the eyeglass frame and allows a temple that has suffered inordinate bending moments and directions to instantly return to nominal use by retightening or replacing the coupling device, and/or by repositioning the temple to properly abut the eyeglass frame.

Abstract: A wearable device and an electrical connector with magnetic attraction are provided. The wearable device includes a first body and a second body. The first body has a first pivotal structure and two inner walls respectively provided with a first magnetic attraction member and a plurality of first terminal structures. The second body has a second pivotal structure, and is provided with a second magnetic attraction member and a plurality of second terminal structures. When the second pivotal structure is pivotally connected to the first pivotal structure, the second body is rotatable relative to the first body, and the first and second magnetic attraction members are moved by following the first and second bodies. When the first and second magnetic attraction members are magnetically attracted to each other so as to fix the first body and the second body, the first terminal structures contact the second terminal structures.

Abstract: A slip-resistant eyewear system comprising an eyewear frame generally comprises first and second hinges coupled to the eyewear frame which are also coupled to first and second tension adjusters. First and second bows are coupled to first and second tension adjusters. The system may comprise an eyewear retainer comprising a first end configured to couple to the first bow and a second end configured to couple to a second bow such that a tension is maintained on the unitary eyewear retainer when the unitary eyewear retainer extends around a back of a head of a user.

Abstract: An eyewear frame includes a plurality of ventilation apertures disposed in fluid communication with corresponding ones of a plurality of fluid channels. The plurality of ventilation apertures are dimensioned and configured to conduct fluid from an outer face of the ventilated eyewear frame to an inner face. The plurality of ventilation apertures are further dimensioned and configured to conduct fluid from at least one inlet to at least two outlets, the fluid thus interacting with a plurality of fluid channels simultaneously. The plurality of fluid channels are dimensioned and configured to conduct fluid there along, and at least partially in communication with a wearer of the ventilated eyewear frame, facilitating heat exchange with the wearer, fluid drainage, and a reduction in fogging of the lenses of the eyewear.

Abstract: A modular, wearable electronic system is disclosed. The modular, wearable electronic system can include an eyewear unit which can be worn on a user's head and one or more modular units which can removably couple with the eyewear unit via one or more ports and/or connectors. The eyewear unit and the modular unit can communicate with each other via the port or connector to which the eyewear unit and the modular unit are coupled. The modular units can supplement the functionality of the eyewear unit.

Abstract: [Object] To provide a hinge mechanism that allows a head-mounted display to be made more compact, and a head-mounted display including this hinge mechanism. [Solving Means] A hinge mechanism includes: a shaft portion; and a cable passing portion. The shaft portion supports a housing portion and a temple portion of the head-mounted display in such a way that the temple portion is capable of rotating about one axis between a closed position and an open position relative to the housing portion. The cable passing portion is adjacent to the shaft portion in a direction of the one axis, and allows a cable to pass therethrough in a direction orthogonal to the one axis.

Abstract: A system for attaching layers of material together comprised of a self-piercing rivet, a layer having a clearance hole through which the self-piercing rivet passes on assembly, and a layer free of a clearance hole and into which the self-piercing rivet is at least partially inserted. The system may include a third layer free of a clearance hole. The system may also include three layers wherein the clearance hole is formed in the middle layer. If the clearance hole is formed in the middle layer, the width of the hole may be greater than the diameter of the self-piercing rivet to avoid contact between the rivet and the middle layer. The layer having the clearance hole may be a hard material such as steel. One or more of the layers may be material that is difficult to pierce or can be damaged if pierced.

Abstract: A novel headphone system includes a first speaker assembly, a second speaker assembly, and an interactive visual display system. The interactive visual display system includes a display operative to output visual contents according to interaction with a user. In one embodiment, one of the displays can be a transparent display placed in front of the user's eyes. Live images passing through the transparent display can be merged with the digital image generated by the transparent display to give the user an augmented reality experience. In another embodiment, the headphone system includes an external device interface that enables a user to interact with the contents displayed from the screen via an external device or via the Internet. In another embodiment, the interactive visual display system is removable from the rest of the headphone system and can optionally be installed in another compatible non-headphone device.

Abstract: In a first aspect, a pair of eyeglasses is provided and includes a lens and frame assembly that includes at least one lens, a first temple and a second temple, and a hinge structure pivotally connecting each temple to the lens and frame assembly. The hinge structure includes two first projections which are spaced apart from one another. Each first projection has a first pivot member thereon. The first projections extend from one of said temple and said lens and frame assembly. The other of said temple and said lens and frame assembly has two second pivot members that pivotally mate with the first pivot members. The first projections are resiliently flexible for movement between a use position in which the first pivot members are pivotally mated with the second pivot members, and a disengagement position in which the first pivot members are withdrawn from the second pivot members so as to permit the temple and the lens and frame assembly to be separated from one another.

Abstract: Protective eyewear may include an eyewear frame including a left segment extending from a left pivotable temple and a right segment extending from a right pivotable temple. A lens is coupled directly to lower edges of the left and right segments, and the lens is configured to cover both eyes of a user when worn. An uppermost profile of the eyewear includes a discrete central raised portion extending upward from the left and right segments of the frame.

Abstract: Eyeglasses (2) comprise a pair of extensions (1) configured to be fixed each to a respective temple tip (42) of the eyeglasses (2). Each extension (1) comprises a body (5), having a first segment (53) adapted to be fixed to a respective temple tip (42) of an eyeglass (2), and a second segment (54) inclined with respect to the first segment (53). When the first segments (53) are connected each to the respective temple tip (42), the second segments (54) project from the respective temple tips (42) in directions (T) converging with each other. In this way, the second segments (54) can rest on the neck of a user and support the eyeglasses at the neck without the use of a chain. The extensions (1) are adaptable to temple tips (42) of different sizes.

Abstract: An elastic hinge for spectacle frames and manufacturing method thereof are disclosed, wherein the hinge includes a fork female component and an eyelet male component mutually hinged, the male component including at least one carriage slidingly fit in a cavity housing of a box-shaped body in contrast with an elastic element constrained with respect to the box-shaped body by way of a locking clip being provided with an annular collar which encircles a stem portion of the carriage, arranged between one end of the elastic element and a rear abutment end surface of a guide portion of the carriage. At least a groove is formed in the guide portion, adjacent to the perimeter profile of the stem portion, having a depth in the direction of the longitudinal axis of the carriage, defining a seat wherein at least a substantial part of the annular collar is engaged.

Abstract: Protective eyewear may include an eyewear frame having a topmost frame member extending from a left pivotable temple to a right pivotable temple. A lens is coupled directly to a lower edge of the topmost frame member. The lens is unitary from a left side to a right side of a nose bridge of the eyewear, such that the lens is configured to cover both eyes of a user when worn. Both the lower edge of the topmost frame member and an upper edge of the topmost frame member include a discrete central raised portion extending upward from left and right segments.

Abstract: Filter glasses for use by an observer of a stereoscopic digital display system that displays stereoscopic images including first-eye images and second-eye images. The filter glasses include a first-eye filter that substantially transmits light from the first-eye images and blocks light from the second-eye images, and a second-eye filter that substantially transmits light from the second-eye images and blocks light from the second-eye images. A frame is used to position the first-eye filter in front of the observer's first eye and to position the second-eye filter in front of the observer's second eye, such that the front surfaces of the filters are oriented at a tilt angle of at least 5 degrees relative to vertical so that light from the display surface that is reflected from the first-eye filter and the second-eye filter is directed over the heads of other observers that are seated in front of the observer.

Abstract: A head-mounted wearable device utilizes electronics placed in one or more of a left temple or a right temple. The temples are joined to a front frame using hinges. The hinges provide passageways, slots, or other openings to permit passage of a flexible printed circuit (FPC) within an open core of the hinge. The FPC allows communication between the left temple and the right temple. During motion of the hinge, the FPC may twist such that the ends within the hinge are rotated relative to one another while remaining substantially parallel to one another. The overall length of the FPC passing through the hinge remains substantially unchanged between the hinge being open or closed. The FPC remains protected within the hinge and is minimally displaced, preventing the introduction of a crease in the FPC at a hinge line.

Abstract: Modular spectacles that are assembled and disassembled without the use of tools are disclosed. The modular spectacles comprise a pair of lenses, a frame element including a pair of rims defining orifices for accepting the pair of lenses, and a slot located on each side of the frame element, and a pair of three-part hinge sets, each three-part hinge set comprising a first hinge part including an orifice on one end and a compressible end on the other end, a second hinge part including a cutout on one end and a compressible end on the other end, and a third hinge part including an orifice on one end and a compressible end on the other end, wherein the three-part hinge set fits securely within a slot in the frame element. The modular spectacles further comprise a pair of temples, that are inserted securely into the hinge sets.

Abstract: Elastic hinge for the plastic frame of eyeglasses, which comprises a first articulation element and a second articulation element, wherein the first articulation element comprises a box-like body provided with a seat and a carriage provided with a rod-like element inserted in the seat and with a head externally projecting from the seat and coupled with the second articulation element. A bush is slidably mounted on the rod-like element, and a spring thrustingly acts on such bush. A fork-shaped body is inserted from the outside into a hole of the box-like body and is engaged with the bush in a straddling manner in order to retain the latter with respect to sliding along the longitudinal axis of the rod-like element.

Abstract: This utility model discloses a magnetic connection structure of an eyewear for solid connection, comprising a front connecting portion and a temple connecting portion. The inner side of the front connecting portion is provided with an upper hinge having an upper hinge groove with a downward opening; the upper portion of the outer side of the front connecting portion is provided with an one step lower snap fit. The temple connecting portion comprises a temple connecting piece, a magnetic connecting piece and a lower hinge, wherein said magnetic connecting piece is fastened to the lower hinge, the front end of said temple connecting piece is provided with an elastic piece and a fixing piece, said elastic piece matches the snap fit, and the fixing piece is connected to the lower hinge. This utility model adds protection of the magnet core, the temples and the front would not detach, the temples are elastic and easy to assemble and disassemble.

Abstract: A hinged connection between first and second members (24, 25) which makes use of a fixation pin (1). The fixation pin (1) has a first configuration which enables the pin to be inserted through a first hole in a first member (24), through an aligned intermediate hole in the second member (25) and through an aligned second hole in the first member (24). The fixation pin (1) does not have a screw thread on its exterior surface. The fixation pin (1) after it has been inserted is subject to a treatment which changes it to a second configuration, or the fixation pin spontaneously changes, while it is being inserted through the holes or immediately thereafter, to a second configuration. In the second configuration, part or all of the fixation pin contacts the wall of at least one of the holes, so that the first and second members are connected together at a hinged connection.

Abstract: Eyeglasses having a hidden pivot structure include a frame and two temples. The frame has a first inner surface and a first outer surface. Two sides of the frame have first end surfaces, respectively. The first end surfaces are adjacent to the first inner surface and the first outer surface, respectively. Each first end face is formed with two engaging recesses. The engaging recesses are connected to the first inner surface. The two temples are pivotally connected to the frame. Each temple has a second inner surface and a second outer surface. Each temple has a second end surface. The second end surface is adjacent to the second inner surface and the second outer surface. The second end face is formed with two engaging blocks. When the two temples are unfolded relative to the frame, the engaging blocks are engaged in the engaging recesses, respectively.

Abstract: An elastic hinge for eyeglasses includes: a box-shaped housing with an inlet aperture; a fork carriage, slidably mounted in a guiding cavity inside the box-shaped housing opposing an elastic element; and an elastic holding clip, snap-engageable with a retaining structure of the housing cavity, against which one end of the elastic element abuts. The elastic holding clip is generally C-shaped, providing a resting arm and a flexible arm joined by a connecting portion, the flexible arm having an engaging unit to snap-engage with the retaining structure, the resting arm and flexible arm elastically biased one towards the other by inner walls of the housing. The flexible arm is integral with at least one bias element, accessible from an inlet aperture of the housing, defining bias planes to be engaged with a tool, introduced via the inlet, for imparting a disengaging bias, bending the flexing arm towards the resting arm.

Abstract: Some embodiments are directed to a hinge for spectacles including an optical frame front and at least one temple linked to a tenon of the optical frame front, the hinge including a first part linked to the tenon and a second part linked to the temple, the first part and the second part being linked by a link device mounted along an axis of the hinge and being movable between an open position and a closed position; when passing from the open position to the closed position, an opening is formed between the outer surfaces of the first and second parts. The first and second parts each include a conduit opening opposite each other in the open position, and the hinge includes a hinge member mounted along the hinge axis between the first part and the second part.

Abstract: Apparatuses, systems and methods for wearable devices such as eyewear are described. According to one embodiment, the wearable device can include a frame, a temple, electronics, and a linkage assembly. The frame can have two opposing connection portions and the temple can be adapted to selectively interface with one of the two connection portions. The electronics can be mounted to at least one of the temple and the frame. The linkage assembly can be pivotally coupled at a first end portion to the temple and pivotally coupled at a second end portion to the one of the two connection portions. The linkage assembly can be configured for movement of the temple between a wearable position and a folded position.

Abstract: A head-mounted device includes a central frame support and at least one removably connected optics arm. The at least one optics arm has first and second free ends that are removably connected to a second end of the central frame support at a point between the first and second free ends. The optics arm extends away from the central frame support and is configured to present information to the user via a display device.

Abstract: Provided herein is a flexible hinge comprising a tension spring (1), a sliding element (2), a sliding element guide (3), a spring tensioner (4), a stop (5) for stopping the longitudinal movement of the sliding element (2), a fastener (6), and a bearing shield (7). The flexible hinge disclosed herein can be installed in a pair of eyeglasses comprising a pair of temples and a frame front so as to connect the temples to the frame front. The flexible hinge can be fixed to the temple with the stop (5) at one end and to the frame front with the fastener (6) at another end. The fastener (6) is used to engage sliding element (2) with the bearing shield (7). The sliding element guide (3) enables longitudinal movement of the sliding element (2) along the x-axis and prevents its movement along other axes.

Abstract: A flexible temple structure includes a lens surface, a frame and two temples. The structure further includes two first connecting portions respectively provided on each of two corresponding ends of the frame, and two second connecting portions individually provided at one end of each of the temple. Each of the first connecting portion includes a main body, a projecting block, and a shaft post. Each second connecting portion includes an embedded mouth, an accommodating space, and a guide slot. The guide slot includes a fastening section, and a securing section connected with the fastening section. The projecting block/the shaft post are allowed to enter the accommodating space/the guide slot through the embedded mouth, and an appropriate resistance force is provided by the fastening section to allow the shaft post being operably retained into the securing section and the shaft post being pivoted in the securing section.

Abstract: A novel headphone system includes a first speaker assembly, a second speaker assembly, and an interactive visual display system. The interactive visual display system includes a display operative to output visual contents according to interaction with a user. In one embodiment, one of the displays can be a transparent display placed in front of the user's eyes. Live images passing through the transparent display can be merged with the digital image generated by the transparent display to give the user an augmented reality experience. In another embodiment, the headphone system includes an external device interface that enables a user to interact with the contents displayed from the screen via an external device or via the Internet. In another embodiment, the interactive visual display system is removable from the rest of the headphone system and can optionally be installed in another compatible non-headphone device.

Abstract: A screwless eyeglasses frame includes a lens, a rim and two temples. The screwless eyeglasses frame further includes two first connecting portions respectively disposed at two ends of the rim, and two second connecting portions individually disposed at one end of each of the temples. Each of the first connecting portions includes a first body, an accommodating slot, a pivotal rotation channel, a sliding channel, and a positioning groove. Each of the second connecting portions includes a second body, a protruding block, a pivotal rotation axis and a sliding block. The pivotal rotation axis is able to sequentially enter the sliding channel, the pivotal rotation channel and the positioning groove. When the pivotal rotation axis is abutted against a lower end of the positioning groove, the second connecting portion is able to pivotally rotate correspondingly to the first connecting portion.

Abstract: A portable 3D printer where the upper surface plate and the lower surface plate are rotated upward and downward at an angle of 270°, respectively, and the upper surface plate, the lower surface plate and the vertical support plate are adjacent to the respective first, second, third and further oblique plates. The adjacent portion is 0-90° such that the summations of the internal angles of the adjacent portions become a right angle of 90° thereby to provide a stable 3D printer when it is used and to be folded as a thin film structure when it is carried.

Abstract: A left electronic-component compartment has a left FPC receiving port, through which a flexible printed circuit (FPC) is inserted into the left electronic-component compartment, located adjacent to a left hinge. In the left electronic-component compartment, a left waterproof member is fitted adjacent to a left connector, which serves as a connection between the FPC and a battery. The left waterproof member prevents moisture, dust, and other foreign matter from entering the battery. A right electronic-component compartment has a right FPC receiving port, through which the FPC is inserted into the right electronic-component compartment, located adjacent to a right hinge. In the right electronic-component compartment, a right waterproof member is fitted adjacent to a right connector, serving as a connection between the FPC and electric circuitry. The right waterproof member prevents moisture, dust, and other foreign matter from entering the electric circuitry.

Abstract: Disclosed are a modularized head-mounted display device and an assembly and disassembly module. The head-mounted display device may include a display apparatus to display and output multimedia signals, an earphone apparatus to output audio signals, a connecting mechanism to connect the display apparatus and the earphone apparatus, and an assembly and disassembly module to detachably connect the display apparatus or the earphone apparatus to the connecting mechanism. The connecting mechanism of the head-mounted display device may include an assembly and disassembly module, thereby realizing the modularization of the device.

Abstract: Process for assembling an elastic hinge for eyeglass frames comprising a first articulation provided with a head with a first hole, a second articulation having two shoulders provided with second holes, and a pin having a stem provided with a thinned final portion. The process provides for inserting the head of the first articulation between the two shoulders of the second articulation with the first hole of the first articulation non-aligned with respect to the second holes of the second articulation, an opening thus remaining between such holes. A step for inserting the pin is provided, during which the thinned portion of the pin is wedged in the aforesaid opening between the holes and is screwed into one of the second holes of the shoulders of the second articulation.

Abstract: Glasses frames including temples that may be worn comfortably beneath a head gear, such as helmets, headsets, earmuffs, hard hats, and speakers. In some cases, the temples may be thin, substantially flat, and flexible to allow the temples to deform without substantially increasing the pressure applied by the head gear to a head of a wearer.

Abstract: An assembly comprises a pince-nez molded in one piece and comprises a substantially planar structure which has a first rim provided with a first lens and a second rim provided with a second lens, the structure having a plane which passes through the first and second rims and the first and second lenses, the first and second rims each being extended by a linkage which connects them together; a holding element intended to be secured to the pince-nez is in contact with the linkage and comprises at least two portions, the holding element secured to the linkage being elastically deformable between a storage position whereby the portions are separated from each other, and a tensioned position whereby the portions are constrained closer together; and a case intended to contain the pince-nez for the storage of the pince-nez.

Abstract: An aspect includes a temple assembly that is configured to retain one or more lenses relative to a head of a user. The temple assembly may include a temple substrate and an insert. The temple substrate may be comprised of one or more polymers. The insert may be located at least partially within the temple substrate. The insert is configured to impose a spring force against the head of the user and is configured to allow at least a portion of the temple substrate to rotate axially about at least a portion of the insert such that the portion of the temple substrate deforms relative to the insert and at least partially independently of the insert.

Abstract: An eyewear with detachable temples includes a front frame, a detachable hinge, and temples extending rearwardly from opposing sides of the front frame. The detachable hinge includes a receiving mount attached to opposing sides of the front frame, a pin housing attached to the temples, and a pin within the pin housing that can be removably connected to the receiving mounts.

Abstract: The eyeglasses frame includes a first hinge barrel provided on a lens holding portion, a second hinge barrel provided on a temple, a first screw that pivotably couples the first hinge barrel and the second hinge barrel, and a second screw provided in the second hinge barrel and contactable with the first hinge barrel. A tip portion of the first hinge barrel is a cam that includes a first depression where the second screw comes to rest when the eyeglasses frame is completely open, a second depression where the second screw comes to rest when the eyeglasses frame is completely closed, substantially straight portions that join the first and second depressions, and a corner portion where the substantially straight portions change direction at a point therebetween.

Abstract: In some embodiments, a first device may be provided. The first device may comprise a lens housing adapted to support a first lens and a second lens, a first temple movably coupled to the lens housing, a second temple movably coupled to the lens housing, an electronics module disposed at least partially within the first temple, and a first electrical conductor coupled to the first temple. A first conductive path may be provided from the first temple to the lens housing at least in part by the first electrical conductor. The first electrical conductor may be configured to couple the electronics module to the first temple.

Abstract: What is described is a hinge device for connecting the sides (2) to the fronts of spectacle frames (4), comprising a first and a second hinge element (6, 7) pivoting about a hinge axis (X), the first element (6) comprising a substantially fork-shaped body (8) with a first and a second arm (9, 10) opposed to one another, between which the second hinge element (7) is interposed, and a screw means (16) forming a hinge pin, passing through respective holes formed coaxially in the first and the second hinge element (6, 7), so as to be, respectively, locked by a screw engagement in the first hinge element (6) and housed rotatably in the second hinge element (7).

Abstract: A head-mounted device includes a central frame support and at least one removably connected optics arm. The at least one optics arm has first and second free ends that are removably connected to a second end of the central frame support at a point between the first and second free ends. The optics arm extends away from the central frame support and is configured to present information to the user via a display device.

Abstract: One stem reversible glasses include a first lens and a second lens. A stem having a proximal end and a distal end is connected adjacent one of the first lens and the second lens at the proximal end. An earpiece is connected adjacent the distal end of the stem, the earpiece including means for securing the earpiece to a right ear of a user when the glasses are in a first reading position and for securing the earpiece to a left ear of the user when the glasses are in a second reading position. A nosepiece is disposed between the first lens and the second lens dimensioned and configured for receiving a nose of a user when the glasses are in either the first reading position or the second reading position.

Abstract: A manufacturing process and the semi-finished product of thermoplastic material obtained therefrom, for obtaining products with aesthetic patterns which can be perceived in semitransparency also in depth is disclosed. The process includes: (i) producing at least two initial elements of thermoplastic material with even but different aesthetic patterns, having a different concentration of the dominating coloring, at least the dominating coloring being of the bleeding type in the specific thermoplastic material; (ii) shaping the two initial elements into strips or loaves being of a submultiple width, not below ? of a characteristic dimension of the desired finished product; (iii) inserting at least two of the strips or loaves having different concentration of the dominating coloring, into a workform, arranging them side by side according to a direction of side-by-side arrangement; and (iv) undergoing pressure and heat to allow the melting and hardening of the thermoplastic material into a single body.

Abstract: This patent application relates to spectacles or spectacle frames with intertwining helix joints and a nose pad portion to facilitate an interchanging of lenses of the spectacles. The helix joint allows the temples to move into a folded position. The nose pad portion provides an access portion for detaching and/or attaching the lenses.

Abstract: A pair of glasses with multiple pivoting arms provides size adjustability to fit on different sized and dimensioned heads. The glasses enhance functionality, ergonomic comfort, tethering capacity, and aesthetics. A frame retains a pair of lenses. In some embodiments, the frame bifurcates to enable interchanging the lenses. A frame adjustment fastener may engage a recess in the frame to tighten and loosen the frame around the lenses. A pair of forward arms hingedly join the frame. A pair of rearward arms may hingedly join the forward arms. The forward and rearward arms pivot laterally and independently of each other. Hinge adjustment fasteners loosen and tighten the pivoting motion of the arms in some embodiments. Stress cavities absorb pressure applied by the hinge adjustment fasteners. Vents at the forward arms disrupt air flow behind the frame to minimize moisture accumulation at the lenses.

Abstract: Methods and apparatus to detect engagement with media presented on a wearable media device are disclosed. An example method includes determining a degree of opacity of a media presentation displayed on a wearable media device; and calculating an engagement score for media presented via the media presentation based on the degree of opacity.

Abstract: Eyeglass frames includes a face member configured to retain at least one lens and two temple members connected to the face member. Each temple member includes a spine made of a first material and an overlay made of a second material positioned on the spine, the first material having a greater hardness than the second material. The spine includes a column and a plurality of transverse ribs. The column extends from a face-end to an ear-end of the temple member and the transverse ribs are connected to the spine. Each of the transverse ribs defines an angle relative to an axis defined by the column of the spine. Slots are formed between the ribs and the ribs are successively narrower moving from the face-end to the ear-end. The overlay is positioned on the spine and fills the slots formed between the ribs.