Electronic device support

By introducing rotatable head engaging members and adjustable arm design into the head-mountable device, the problem of the equipment adapting to the differences in head anatomical structures of different users is solved, achieving higher comfort and reliability, and adapting to various activities and application scenarios.

CN120353027APending Publication Date: 2025-07-22APPLE INC
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Patent Information

Application Number
CN202510071411.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-01-19
Filing Date
2025-01-16
Publication Date
2025-07-22

AI Technical Summary

Technical Problem

Existing head-mountable devices are difficult to adapt to head anatomical differences between different users, resulting in comfort and reliability issues, especially when performing certain activities or using specific software applications.

Method used

A head-mountable device is designed, including a head engaging member rotatably coupled to the arm, capable of switching between a sagging and deploying position, engages with the user's skin or hair through a friction interface, providing conformal support, and the arm is adjustable to adapt to the head shape of different users.

Benefits of technology

It improves the comfort and reliability of the equipment on the heads of different users, reduces the pressure during wearing, enhances the fit between the equipment and the head, and adapts to the needs of various activities and software applications.

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Abstract

An electronic device support is provided. A head-mountable device may include: a display frame; a display carried by the display frame; an arm rotatably connected to the display frame at a first joint; and a head engaging member rotatably coupled to the arm at a second joint.
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Description

Technical Field

[0001] The described embodiments generally relate to electronic devices, such as electronic glasses or wearable devices. More specifically, the present embodiment relates to electronic glasses including a support member. Background Art

[0002] Recent advances in portable computing have enabled wearable devices that provide augmented reality and virtual reality experiences to users. The various components of these devices, such as display windows, viewing frames, fixing arms, speakers, batteries, and other components, operate together to provide an immersive and comfortable experience to users. However, the anatomy of each user's head is unique. One user's head may be larger than another user's head, or one head may be a different shape from another head. Similarly, variations in surface contours (e.g., bone crests and valleys) are common among different users. Other anatomical features, including the relative positions of the user's nose, forehead, and ears, also vary widely among users. The anatomical variations of the head pose challenges to wearable devices designed for comfort and reliability.

[0003] In some wearable devices, for example, fixing arms that extend along or contact opposite sides of the user's head may be used to fix the device to the user's head. However, the size, angle, shape, and other physical characteristics of the arms that may be sufficient to comfortably and reliably fix the device to one user's head may not be sufficient to comfortably and reliably fix the device to another user's head. The weight of some conventional wearable devices may make general comfort more difficult. Additionally, the fixing arms of conventional wearable devices are not always compatible (or do not always provide a reliable fit with the user's head), especially for the use of certain user activities (e.g., running or exercising) or certain software applications (e.g., intense gaming, productivity applications). Therefore, in addition to improving the reliability of daily activities and software applications, there is a need for wearable devices and systems that can improve user comfort. Summary of the Invention

[0004] One aspect of the present disclosure relates to a wearable device. The wearable device may include: a display frame; a display carried by the display frame; an arm rotatably coupled to the display frame at a first joint; and a head engagement member rotatably coupled to the arm at a second joint.

[0005] In some examples, the arm includes a surface. Additionally, the head engagement member can be capable of rotating between a stowed position adjacent the surface and a deployed position away from the surface. In one example, the head engagement member includes a spring. In another example, the head engagement member includes a preloaded material. In a particular example: the head engagement member is capable of sliding along the length of the arm. In one or more examples, the head engagement member includes a friction interface that can engage with a user's skin or hair. In at least one example, the friction interface includes a plurality of fingers that are oriented to at least partially support the weight of the wearable device when engaged with the user's skin or hair. In one example, a portion of the head engagement member is capable of conforming to the shape of the user's head. In a particular example, a portion of the head engagement member is length adjustable. In some examples, a portion of the head engagement member includes an overhead link that can be positioned against a display frame. In one example, the first joint and the second joint are positioned on the proximal portion of the arm. In certain examples, the head engagement member is capable of being detached from the arm.

[0006] Another aspect of the present disclosure relates to a wearable device. The wearable device can include: a housing; an observation window that is fixed to the housing; a collapsible arm that is connected to the housing and capable of rotating in a first plane; and a support arm that is connected to the collapsible arm and capable of rotating in a second plane perpendicular to the first plane.

[0007] In some examples, the second plane is parallel to the longitudinal axis of the collapsible arm. In a particular example, the support arm is capable of being positioned within the profile of the collapsible arm. In at least one example, the support arm is capable of being positioned adjacent to the outer surface of the collapsible arm, which faces away from the user's head when the wearable device is worn. In one or more examples, when the support arm is in the stowed position, the support arm is biased into the collapsible arm.

[0008] Yet another aspect of the present disclosure relates to a removable support assembly for electronic glasses. The removable support assembly can include: an adjustable support fin having a head engagement surface; and a spectacle arm connector that is coupled to the support fin and capable of being removably attached to a spectacle arm of the electronic glasses.

[0009] In one or more examples, the removable support assembly further includes the temple of the pair of electronic glasses, where the temple is removably attachable to the frame of the pair of electronic glasses. In these or other examples, the temple further includes: a proximal end that is connectable to the frame of the pair of electronic glasses; a distal end that is opposite the proximal end; and an electronic component that is coupled to the temple between the proximal end and the distal end, the electronic component including a power source and a processor. In one or more examples, the removable support assembly further includes a housing that couples the support fin to the temple connector, where the housing defines a recess sized and shaped to receive the temple; and the temple connector is positioned at the recess. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present disclosure will be readily understood by the following detailed description in conjunction with the accompanying drawings, where like reference numerals denote like structural elements, in which:

[0011] Figure 1 Illustrated is a top contour view of a head - mountable device worn on a user's head in accordance with one or more examples of the present disclosure.

[0012] Figures 2 to 3 Side views of a head - mountable device having a head - engaging member in an example stowed position and an example deployed position in accordance with one or more examples of the present disclosure are illustrated, respectively.

[0013] Figures 4 to 6 Illustrated is a side view of a head - mountable device having a head - engaging member with an example position of a pivot joint in accordance with one or more examples of the present disclosure.

[0014] Figure 7 Illustrated is a side view of a head - mountable device having an example slidable implementation of a head - engaging member in accordance with one or more examples of the present disclosure.

[0015] Figure 8 Illustrated is a side view of a head - mountable device having a removable support assembly in accordance with one or more examples of the present disclosure.

[0016] Figure 9 Illustrated is a side view of a head - mountable device having a removable support assembly in accordance with one or more examples of the present disclosure.

[0017] Figure 10 Illustrated is a front perspective view of an example head - mountable device including a head - engaging member in accordance with one or more examples of the present disclosure.

[0018] Figures 11 to 14Perspective front views of an arm in accordance with one or more examples of the present disclosure are shown, the arm having an example configuration of a head engaging member positioned adjacent various surfaces of the arm, including an outer surface, a top surface, an inner surface, and a bottom surface.

[0019] Figures 15 to 17 Side views of a distal end of an arm in accordance with one or more examples of the present disclosure having an example widened portion are shown.

[0020] Figure 18 Front views of an arm in accordance with one or more examples of the present disclosure are shown, where the head engaging member is in a deployed position and has an example head engaging surface.

[0021] Figure 19 Side views of a head - mountable device in accordance with one or more examples of the present disclosure having a head engaging member with an expandable bladder are shown.

[0022] Figures 20A to 20B Illustrations of a Figure 19 head engaging member in a retracted position and a deployed position are shown in respective cross - sectional views. DETAILED DESCRIPTION

[0023] Reference will now be made in detail to representative embodiments illustrated in the accompanying drawings. It should be understood that the following description is not intended to limit the embodiments to one preferred embodiment. Instead, it is intended to cover alternatives, modifications, and equivalents that may be included within the spirit and scope of the described embodiments as defined by the appended claims.

[0024] The following disclosure generally relates to electronic devices, and more particularly to head - mountable electronic devices (or head - mountable devices). In at least one example, a head - mountable device may include an observation frame and a fixed arm (or strap and / or band) extending from the observation frame. Examples of head - mountable electronic devices may include virtual reality or augmented reality devices having optical components. In the case of an augmented reality device, optical glasses or frames may be worn on a user's head such that an optical window, which may include a transparent window, a lens, or a display, may be positioned in front of the user's eyes. In another example, a virtual reality device may be worn on a user's head such that a display screen is positioned in front of the user's eyes. The observation frame may include a housing (e.g., a display housing or a display frame) or other structural components that support optical components (e.g., lenses or display windows) or various electronic components.

[0025] Additionally, the wearable electronic device may include one or more electronic components for operating the wearable electronic device. These components may include any components that the wearable electronic device uses to generate a virtual or augmented reality experience. For example, the electronic components may include one or more projectors, waveguides, speakers, processors, batteries, circuit components including wires and circuit boards, or any other electronic components used in the wearable device to deliver augmented or virtual reality vision, sound, and other outputs. The various electronic components may be disposed within an electronic component housing. In some examples, the various electronic components may be disposed within or attached to one or more of a display frame, an electronic component housing, and / or a fixed arm.

[0026] In a particular example, the present disclosure relates to a head engagement member that is rotatably coupled to an arm of a wearable device. The head engagement member may rotate in and out relative to the arm to selectively engage a user's head. By engaging the user's head, the head engagement member may offload the pressure or weight that the user feels during wearing of the wearable device. In some examples, the head engagement member may improve user comfort and reduce (or prevent) fatigue during long-term use of the wearable device. Also, in some examples, the head engagement member of the present disclosure may improve the fit with the user's head (e.g., by more reliably clamping, contacting, or conforming to the user's hair, skin, or scalp). To this end, the head engagement member may be used in various positional configurations and / or have various features to engage the user's head.

[0027] These and other embodiments are discussed below with reference to Figures 1 to 20B However, those skilled in the art will readily understand that the detailed description given herein with respect to these figures is for illustrative purposes only and should not be construed as limiting. Additionally, as used herein, a system, method, article of manufacture, component, feature, or sub-feature that includes at least one of a first option, a second option, or a third option should be understood to mean a system, method, article of manufacture, component, feature, or sub-feature that may include one (e.g., only one first option, only one second option, only one third option), multiple of a single listed option (e.g., two or more first options), two options simultaneously (e.g., one first option and one second option), or a combination thereof (e.g., two first options and one second option) of each of the listed options.

[0028] Figure 1FIG. 0 illustrates a top contour view of a head - mountable device 100 worn on a user's head. While the present system and method are described in the context of the head - mountable device 100, the system and method can be used with any wearable device, wearable electronic device, or any device or system that can be physically attached to a user's body, but is particularly relevant to an electronic device worn on a user's head.

[0029] The head - mountable device 100 may include a display frame 102 to hold one or more optical lenses or display windows in front of the user's eyes. As used herein, the terms “display frame,” “frame,” and “housing” may refer to a portion of the head - mountable device that encloses (e.g., houses or bears) a display 104 (also referred to as a display window or viewing window). As used herein, the terms “display,” “display window,” or “viewing window” may refer to a lens, cover glass, or another surface designed to display a projected image on a surface, or any other component that presents visual media or information to the user. In a particular embodiment, the display 104 may include a display / screen for presenting augmented reality visualizations, virtual reality visualizations, or other suitable visualizations. The display 104 may be part of an optical module that may include sensors, cameras, light - emitting diodes, optical housings, cover glasses, sensitive optical elements, etc.

[0030] The head - mountable device 100 may also include one or more arms 106, 108 that are fixed to the display frame 102 and extend distally toward the rear of the user's head 101. Fixed arms 104a, 104b may apply opposing pressures to the sides of the user's head 101, as shown, to secure the head - mountable device 100 to the user's head 101. The arms 106, 108 may also rest on the user's ears and / or may secure the head - mountable device 100 via friction or pressure between the arms 106, 108 and the user's head 101.

[0031] In these or other examples, the arms 106, 108 are rotatably coupled to the display frame 102 via pivot joints 110. Specifically, the arms 106, 108 may pivot at the pivot joints 110 so as to pivot in the indicated X - Y plane.

[0032] In some examples, at least one of the arms 106, 108 may include an electronic component 112. The term "electronic component" refers to an arrangement of one or more electrical components (such as a power source and a processor). Additionally or alternatively, the electronic component may include a sub-component, package, or housing dedicated to housing certain electronic devices. In these or other examples, the term "power source" refers to any power source that supplies power to one or more components of the wearable device 100 (e.g., charges a battery or powers a processor). For example, the power source may include a fuel cell, a battery cell, a generator, an alternator, a solar converter, a motion-based converter (e.g., converts vibration or oscillation into electricity), and the like. In a particular implementation, the power source may convert alternating current to direct current (or vice versa) for charging or recharging the components of the wearable device 100. Some specific examples of the power source may include a switched-mode power supply, an uninterruptible power supply, an alternating current power supply, a direct current power supply, a regulated power supply, a programmable power supply, a computer power supply, and / or a linear power supply.

[0033] Additionally, the processor of the electronic component 112 may include any of a variety of processors (e.g., a system-on-chip, an integrated circuit, a driver, an application processor, a cross-processor, etc.). In some examples, the electronic component 112 also includes one or more memory devices (e.g., a separate non-volatile memory, a processor-embedded non-volatile memory, a random access memory, a memory integrated circuit, a DRAM chip, a stacked memory module, a storage device, a memory partition, etc.). In a particular example, the electronic component 112 also includes one or more of input / output ports, counters, timers, and the like. It should be understood that such an electronic component 112 may be mounted on a printed circuit board (e.g., a rigid circuit board or a flexible printed circuit).

[0034] In addition, the wearable device 100 may include a head engagement member 114. As used herein, the term "head engagement member" or "support arm" refers to an attachment that can be attached to at least one of the arms 106, 108. In these or other examples, the head engagement member 114 may include an attachment that can be rotatably attached to one or both of the arms 106, 108. More details of the head engagement member 114 are provided below with respect to the subsequent figures. However, as noted above, the user's head 101 can be of a unique shape and size, with certain anatomical structures and positional configurations varying across the user population. For example, the relative positions of a user's nose, forehead, and ears can vary significantly between users. In these or other examples, the structure of the head engagement member 114 can be used to provide enhanced user comfort (e.g., by conforming to certain parts of the head 101, by at least partially offloading or redistributing the weight of the wearable device 100, etc.). Similarly, the head engagement member 114 of the wearable device 100 can be deployed to provide an improved or more reliable (e.g., robust) fit onto the head 101 during different user activities (e.g., running, exercising, etc.) and / or the use of software applications.

[0035] Figure 1 Any of the illustrated features, components, and / or parts (including their arrangements and configurations) can be included, either alone or in any combination, in any other examples of the devices, features, components, and parts shown in the other figures described herein. Similarly, any of the features, components, and / or parts (including their arrangements and configurations) shown or described with reference to the other figures can be included, either alone or in any combination, in Figure 1 the examples of the devices, features, components, and parts shown.

[0036] As described above, the wearable device 100 may include a head engagement member 114. The following description discusses examples of specific implementations of the head engagement member 114 and its associated positions relative to the arms (e.g., stowed position and deployed position).

[0037] Figures 2 to 3 A side view of a wearable device 100 having an exemplary stowed position and deployed position of a head engagement member 114 in accordance with one or more examples of the present disclosure is illustrated. Specifically, Figures 2 to 3 the head engagement member 114 is shown pivotally attached to the arm 106 at a pivot joint 204. The pivot joint 204 may allow the head engagement member 114 to rotate in a plane that is substantially perpendicular to the plane of rotation of the arm 106. In fact, as Figures 2 to 3 shown, the head engagement member 114 can rotate in the Y-Z plane; while the arm 106 can pivot in the X-Y plane (as Figure 1). Additionally shown, the YZ rotational plane of the head engagement member 114 may be parallel to the longitudinal axis 302 of the arm 106.

[0038] The pivot joint 204 may include any number of various types of joints. In some examples, the pivot joint 204 may include a revolute joint, a prismatic joint, a universal joint, or a spherical joint. Some specific examples of the pivot joint 204 may include a ball joint, a condylar joint, an articulated joint, a tandem manipulator joint, a hinge joint, a synovial joint, etc.

[0039] The pivot joint 204 can be positioned between the proximal end 200 of the arm 106 (which is connected to the display frame 102 at the pivot joint 110) and the distal end 202 opposite the proximal end 200. The pivot joint 204 can be positioned at a variety of different locations along the arm 106, as will be described with respect to subsequent figures. For example, the pivot joint 204 can be positioned in the front half 304 (proximal portion adjacent to the proximal end 200) of the arm 106 (e.g., as shown in FIG. Figures 2 to 3 106). Alternatively, the pivot joint 204 may be positioned in the rear half 306 (the distal portion adjacent the distal end 202) of the arm 106. In these or other examples, a given "half" of the arm 106 may refer to a portion of the arm 106 relative to half of the distance between the proximal end 200 and the distal end 202 along the longitudinal axis 302. Additionally or alternatively, a given "half" of the arm 106 may refer to the anatomical relationship of the arm 106 to a portion of the user's head (e.g., the front half in front of the user's ears or the back half behind the user's ears).

[0040] also, Figures 2 to 3 The head engaging member 114 is shown to include an optional spring 206 or other biasing element. The spring 206 may be positioned within the head engaging member 114. Additionally or alternatively, the spring 206 may connect discrete portions (e.g., a first portion and a second portion) of the head engaging member 114. In these or other examples, the spring 206 may provide a biasing force and / or a damping force against the user's head. Additionally or alternatively, the spring 206 may impart compliance, elasticity, or deflection to one or more portions of the head engaging member 114. Various springs may be utilized. For example, the spring 206 may include a torsion spring, a tension spring, a spiral (helical) spring, a compression spring, a leaf spring, a coil spring, a constant force spring, a gas spring, a caulking spring, a spiral compression spring, a flat spring, a coil spring, etc. Similarly, various materials may be utilized to form the arm 106 (e.g., metal, plastic, or composite material). Additionally, alternatives to the spring may be included, including but not limited to a piston, a hydraulic actuator, a pneumatic actuator, an electromechanical actuator, etc.

[0041] As a supplement to or alternative to the spring 206, the head engaging member 114 may include a preloaded material to perform any of the above functions or impart any of the above characteristics. A preloaded material refers to a type of material that can be elastically bent, deformed, or elastically change its shape. The preloaded material can be formed according to a force-deflection curve. In a specific example, the preloaded material includes a preformed section of a metal sheet, plastic, or composite material.

[0042] Specifically, in Figure 2 the head engaging member 114 is positioned in the stowed position. The stowed position may refer to an original position, a base position, a hidden position, an alignment position, a profile position, etc. In these or other examples, the stowed position refers to the position of the head engaging member 114 when not in use. For example, in the stowed position, most (if not all) of the head engaging member 114 may be positioned adjacent to (or in direct contact with) the surface of the arm 106. For example, when the head engaging member 114 is in the stowed position, the head engaging member 114 may be biased into the arm 106. In a specific example, the head engaging member 114 is positioned within the profile of the arm 106 (e.g., aligned with the overall curvature or external shape of the arm 106). Various stowed configurations of the head engaging member 114 relative to certain surfaces of the arm 106 are further described with respect to Figures 11 to 14 below.

[0043] In contrast, Figure 3 shows the head engaging member 114 in the deployed position. The deployed position may refer to an adjustment position, an angled position, a head contact position, an extended position, a support position, a weight distribution position, a friction engagement position, etc. In these or other examples, the deployed position refers to the position of the head engaging member 114 when in use or otherwise moved away from Figure 2 the stowed position shown. In a specific example, the deployed position of the head engaging member 114 may refer to an angular range (i.e., angle 300) between the head engaging member 114 and the longitudinal axis 302 of the arm 106. In some examples, the angle 300 of the deployed position of the head engaging member 114 may be in the range of about 5 degrees to about 340 degrees, about 10 degrees to about 270 degrees, about 25 degrees to about 45 degrees, about 45 degrees to about 120 degrees, or about 60 degrees to about 100 degrees. As may be desired, the angle 300 can be adjusted by the user in continuous resolution (or between predetermined angular increments). Additionally or alternatively, the angle 300 can be adjusted automatically (e.g., using one or more motors in the wearable device 100).

[0044] It should be understood that the head engaging member 114 may include a variety of different shapes and cross-sectional profiles. In fact, the head engaging member 114 is not limited to a rectangular shape or cross-section. For example, the head engaging member 114 may include a U-shaped cross-section (e.g., where the circular portion may contact the user's head).

[0045] Figures 2 to 3 Any one of the illustrated features, components, and / or parts (including their arrangements and configurations) may be included, either alone or in any combination, in any other example of the devices, features, components, and parts shown in the other figures described herein. Similarly, any one of the features, components, and / or parts shown or described with reference to the other figures (including their arrangements and configurations) may be included, either alone or in any combination, in Figures 2 to 3 the example of the devices, features, components, and parts shown.

[0046] As described above, the pivot joint 204 may be positioned at various different locations along the arm 106. In addition to the various deployable configurations, several example positions of the pivot joint 204 are discussed in the following description.

[0047] Figures 4 to 6 A side view of a head-mounted device 100 having a head engagement member with an example position of the pivot joint 204 in accordance with one or more examples of the present disclosure is illustrated. As Figure 4 shown, the pivot joint 204 may be positioned more centrally along the arm 106. In this position, the head engagement member 114 may extend forward and open (i.e., deploy) in a direction facing the front half 304 (or facing the display frame 102).

[0048] Figure 5 Another example position of the pivot joint 204 is shown. As Figure 5 illustrated, the pivot joint 204 may also be positioned more centrally (e.g., away from the proximal end 200 and the distal end 202). However, compared to Figure 4 this, the head engagement member 114 may extend backward and open (i.e., deploy) in a direction facing the rear half 306 (or away from the display frame 102).

[0049] Figure 6 Another example position of the pivot joint 204 is shown. In Figure 6 this, the pivot joint 204 is positioned in the rear half 306 adjacent to the distal end 202. Similar to Figure 4 this, the head engagement member 114 may extend forward and open (i.e., deploy) in a direction facing the front half 304 (or facing the display frame 102). According to various examples, regardless of the position of the pivot joint 204, the head engagement member 114 may deploy in any direction and at any angle.

[0050] Figures 4 to 6Any of the illustrated features, components, and / or parts (including their arrangements and configurations) may be included, either alone or in any combination, in any other examples of the devices, features, components, and parts shown in the other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to the other figures (including their arrangements and configurations) may be included, either alone or in any combination, in Figures 4 to 6 the examples of the devices, features, components, and parts shown. As described above, the head engagement member 114 may include a slidable embodiment. The following description discusses examples in which the head engagement member 114 may slide along the arm 106.

[0051] Figure 7 A side view of a wearable device 100 having an exemplary slidable embodiment of a head engagement member 114 in accordance with one or more examples of the present disclosure is illustrated. As shown, the arm 106 may include a channel 700 defined by the body of the arm 106. In these or other examples, the pivot joint 204 may be sized and shaped to fit within the channel 700. In this manner, the pivot joint 204 may slide forward and backward (as constrained by the channel 700), thereby allowing the head engagement member 114 to correspondingly translate across the length of the arm 106.

[0052] It should be understood that the channel 700 may include a variety of different sizes. In some examples, the channel 700 extends across the entire length of the arm 106 (where "length" may refer to the longitudinal distance in the Y direction). In other examples, the channel 700 extends partially across the length of the arm 106.

[0053] Additionally, it should also be understood that the head engagement member 114 may be fixed (or locked) in place within the channel 700 in a variety of different ways. In some examples, the head engagement member 114 may include engagement with a ratchet of the arm 106. Additionally or alternatively, the head engagement member 114 may include engagement with teeth of the arm 106. The head engagement member 114 may also be fixed in place within the channel 700 via magnets, fasteners, or other locking mechanisms (e.g., features that interlock, mate, interfere, snap together, etc.).

[0054] Figure 7 Any of the illustrated features, components, and / or parts (including their arrangements and configurations) may be included, either alone or in any combination, in any other examples of the devices, features, components, and parts shown in the other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to the other figures (including their arrangements and configurations) may be included, either alone or in any combination, in Figure 7In the examples of the devices, features, components, and parts shown. As described above, the wearable device 100 may include a particular implementation of the head engagement member 114, where the head engagement member 114 may be detachable from the arm 106. Thus, the following discussion includes further descriptions of examples regarding detachable head engagement members (e.g., as part of a detachable assembly).

[0055] Figure 8 A side view of a wearable device 100 having a removable support assembly 800 is illustrated in accordance with one or more examples of the present disclosure. The removable support assembly 800 may be compatible with various wearable devices, including the wearable device 100. In a particular implementation, the removable support assembly 800 is interchangeable or cross-compatible with other arms of the electronic glasses.

[0056] As shown, the removable support assembly 800 may include support fins 802 (which may be the same as or similar to the head engagement member 114 discussed above). The support fins 802 may include a head engagement surface 812. The head engagement surface 812 may include a portion of the support fins 802 that may contact the user's head when the support fins 802 are deployed. In some examples, the head engagement surface 812 is extensible, conformable, cushioned, etc., to provide a comfortable fit with the user's head. In a particular implementation, the head engagement surface 812 includes a shaped configuration (e.g., a widened configuration, a fan-shaped configuration, a deployed configuration, etc.) to better distribute the weight of the wearable device 100 onto the user's head, as will be discussed below with respect to Figures 15 to 17 as discussed. In some examples, the head engagement surface 812 includes a friction interface (e.g., to engage the user's hair, skin, or scalp), as will be discussed below with respect to Figure 18 as discussed. In other examples, the head engagement surface 812 includes an expandable portion, as discussed below with respect to Figures 19 to 20B as discussed.

[0057] In addition, the removable support assembly 800 may include a glasses arm connector 804. The glasses arm connector 804 may be coupled to the support fins 802 and be capable of removably attaching to the arm 106. In a particular implementation, the glasses arm connector 804 includes a magnetic connector, an interlocking connector, a mating connector, a hook-and-loop strap connector, an electrical / power connector, etc. In these or other examples, the glasses arm connector 804 corresponds to a mating connector 810 located at the arm 106.

[0058] In some examples, the temple connector 804 may be positioned on or within a housing 806 that couples the support fin 802 to the temple connector 804. The housing 806 may include a shell, enclosure, casing, fitting, or attachment for securing the support fin 802 to the arm 106. In a particular example, the housing 806 defines a recess 808 sized and shaped to receive the arm 106. In some examples, the temple connector 804 is positioned at the recess 808 (e.g., to secure the housing 806 to the arm 106 via a mating connector 810).

[0059] It should be understood that the removable support assembly 800 may be removably attached to the arm 106 at various different positions spanning the length of the arm 106. For example, in some examples, the arm 106 may include a plurality of mating connectors 810 spanning the length of the arm 106. In this way, a user may attach the removable support assembly 800 to the arm 106 at a desired location.

[0060] Figure 8 Any of the illustrated features, components, and / or parts (including their arrangements and configurations) may be included, either alone or in any combination, in any other example of the devices, features, components, and parts described herein and shown in other figures. Similarly, any of the features, components, and / or parts (including their arrangements and configurations) shown or described with reference to other figures may be included, either alone or in any combination, in Figure 8 the examples of the devices, features, components, and parts shown.

[0061] As briefly discussed above, the wearable device 100 may include a particular implementation of the arm 106, where the arm 106 itself may be detachable from the wearable device 100. Thus, the following discussion includes further description of examples regarding detachable arms (e.g., as part of a detachable assembly).

[0062] Figure 9 A side view of a wearable device 100 having a removable support assembly 900 is illustrated in accordance with one or more examples of the present disclosure. The removable support assembly 900 may include aspects of the removable support assembly 800 for the detachable head engagement member discussed above, including the support fin 802, the temple connector 804, and the housing 806. The removable support assembly 900 may further include a detachable temple 902. The temple 902 may be capable of being removably attached to the eyewear frame (e.g., the display frame 102) of the wearable device 100. Thus, it should be understood that in some particular implementations, the detachable temple 902 may be interchangeable or cross-compatible with other display frames.

[0063] In these or other examples, the detachable spectacle arm 902 may include a proximal end 904 attachable to the display frame 102 and a distal end 906 opposite the proximal end 904. In a particular example, the proximal end 904 may include a connector 908. The connector 908 may include a magnetic connector, an interlocking connector, a mating connector, an electrical / power connector, a data connector, etc., which may correspondingly engage the display frame 102 via a mating connector 910.

[0064] Also shown, the detachable spectacle arm 902 may include the electronic component 112 discussed above with respect to Figure 1 In a particular example, the detachable spectacle arm 902 may include at least one of a power source or a processor. In this way, when the battery of the detachable spectacle arm 902 is charged, the detachable spectacle arm 902 may be replaced with another spectacle arm (e.g., having a full battery).

[0065] Figure 9 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included, alone or in any combination, in any other example of the devices, features, components, and parts described herein and shown in other figures. Similarly, any of the features, components, and / or parts shown or described with reference to other figures (including their arrangements and configurations) may be included, alone or in any combination, in Figure 9 the examples of the devices, features, components, and parts shown.

[0066] As briefly discussed above, the wearable device 100 may include a particular implementation of the head engagement member 114, which includes an overhead link for engaging the top of the head, the forehead, or the middle portion of the user's head. Accordingly, the following discussion includes a further description of examples of the head engagement member that may span between the arms 106, 108.

[0067] Figure 10A front perspective view of an example of a wearable device 100 including a head engagement member 1000 in accordance with one or more examples of the present disclosure is illustrated. As shown, the head engagement member 1000 can be rotated up and down to provide a desired fit against a user's head. Specifically, the head engagement member 1000 can include pivot joints 1006 positioned on arms 106, 108. Via the pivot joints 1006, the head engagement member 1000 can be rotated from a stowed position, in which the head engagement member 1000 lies flush against the top of the display frame 102 and arms 106, 108, to a deployed position, in which the head engagement member 1000 rotates away from the display frame 102 and arms 106, 108. In these or other examples, the head engagement member 1000 can rotate between about 5 degrees and about 180 degrees, between about 15 degrees and about 120 degrees, between about 30 degrees and about 90 degrees, or between about 45 degrees and about 60 degrees.

[0068] Also shown, the head engagement member 1000 can specifically include side portions 1002 and an intermediate portion 1004. The side portions 1002 can be the same as or similar to the head engagement member 114 or support fins 802 discussed above. Specifically, the side portions 1002 can rotatably couple the head engagement member 1000 to the arms 106, 108 via the pivot joints 1006. When in the stowed position, the side portions 1002 can rest on the top surfaces of the arms 106, 108.

[0069] In addition, the intermediate portion 1004 can engage the respective side portions 1002. In some examples, the intermediate portion 1004 can include an overhead link that can be positioned against the top surface of the display frame 102. The intermediate portion 1004 can provide an increased surface area (and thus an increased weight distribution) for the wearable device 100.

[0070] In these or other examples, the side portions 1002 and the intermediate portion 1004 can be integrally formed together (e.g., as a single-piece unit). Additionally or alternatively, the side portions 1002 and the intermediate portion 1004 (as discrete sections or parts) can be attached together permanently or removably.

[0071] In some examples, at least one of the side portions 1002 or the intermediate portion 1004 can be conformable to the shape of a user's head. Such a "conformable" portion can include stretchable portions, adjustable portions, shape-fitting portions, customized portions, compressible portions, etc. In certain embodiments, the conformable portion can include a loose cable or wire interconnecting a series of support blocks (e.g., foam blocks, silicone pads, etc.), which can dock with the user's head in a conformable manner.

[0072] Additionally or alternatively, in some examples, at least one of the side portions 1002 or the middle portion 1004 is length adjustable. Length adjustable refers to the ability of the head engaging member 1000 to elongate, stretch, adjust, expand, extend, contract, shorten, etc. The length adjustability of at least one of the side portions 1002 or the middle portion 1004 may allow the head engaging member 1000 to comfortably (and generally) conform to the heads of different users, including heads of all shapes and sizes. Thus, in some examples, at least one of the side portions 1002 or the middle portion 1004 may include an elastic or stretch fabric. Additionally, in some examples, at least one of the side portions 1002 or the middle portion 1004 may include a telescoping section. In a particular example, at least one of the side portions 1002 or the middle portion 1004 may include a section having a predetermined notch or adjustment holes to allow a desired length.

[0073] Figure 10 Any of the features, components, and / or parts shown (including their arrangement and configuration) may be included, alone or in any combination, in any other example of the devices, features, components, and parts shown in the other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to the other figures (including their arrangement and configuration) may be included, alone or in any combination, in Figure 10 the examples of the devices, features, components, and parts shown.

[0074] As briefly discussed above, the wearable device 100 may include various different positional configurations for the head engaging member. Thus, the following discussion includes further descriptions of example orientations of the head engaging member and different surfaces of the arm that may be disposed adjacent to the head engaging member.

[0075] Figures 11 to 14Front perspective views of the arm 106 are respectively illustrated in accordance with one or more examples of the present disclosure, which have exemplary configurations of the head engaging member 114 positioned adjacent to various surfaces of the arm 106, including the outer surface, top surface, inner surface, and bottom surface. When in the stowed position, the various surfaces of the arm 106 can engage (e.g., support, contact, hold, lock in place, etc.) the head engaging member 114. In a particular example, the arm surface can define a recess or notch, the size and shape of which are designed to receive the head engaging member 114. In this way, the head engaging member 114 can be positioned within the recess or notch such that the head engaging member 114 is positioned within the profile of the arm 106. As used herein, the term "profile" refers to the overall curvature or external shape of an object, particularly the arm 106. Thus, in some examples, being positioned within the profile of the arm 106 can refer to the positioning of the head engaging member 114 being consistent with the silhouette of the arm 106, being aligned with the arm 106 in a non-projecting or non-bulging manner, or being consistent with the geometric lines of the arm 106. In these or other examples, the head engaging member 114 is positioned within the profile of the arm 106 when in the stowed position and outside the profile of the arm 106 when in the deployed position. That is, the head engaging member 114 can rotate between a stowed position adjacent to the arm surface and a deployed position away from the arm surface.

[0076] In Figure 11 , the head engaging member 114 is positioned adjacent to the outer surface 1100 of the arm 106. The outer surface 1100 faces away from the user (i.e., opposite the user's head when the wearable device 100 is worn). Additionally, the head engaging member 114 can rotate about an axis 1102 at the pivot joint 204. In Figure 11 this example, when the wearable device 100 is worn, the axis 1102 is perpendicular (or approximately perpendicular) to the user's head. Thus, Figure 11 the head engaging member 114 in

[0077] In Figure 12 , the head engaging member 114 is positioned adjacent to the top surface 1200 of the arm 106. The top surface 1200 faces in a direction parallel to the user (i.e., the upward direction when the wearable device 100 is worn). Additionally, the head engaging member 114 can rotate about an axis 1202 at the pivot joint 204. In Figure 12 this example, when the wearable device 100 is worn, the axis 1202 is parallel (or approximately parallel) to the user's head. In this way, Figure 12The head engagement member 114 therein can rotate towards the user's head for head engagement and away from the user's head to disengage the user's head. In some examples, the head engagement portion or friction interface of the head engagement member 114 is positioned on the inner edge of the head engagement member 114 and is flush with the inner surface 1300 discussed below.

[0078] In Figure 13 it, the head engagement member 114 is positioned adjacent to the inner surface 1300 of the arm 106. The inner surface 1300 can include an inner surface facing in the direction towards the user (i.e., inwards when the wearable device 100 is worn). Additionally, the head engagement member 114 can rotate about an axis 1302 at the pivot joint 204. In Figure 13 this example, when the wearable device 100 is worn, the axis 1302 can be perpendicular (or approximately perpendicular) to the user's head. Thus, Figure 13 the head engagement member 114 in Figure 13 can rotate parallel to the user's head. In some cases, the head engagement member 114 can then be biased (or deformed) inwards (i.e., towards the user's head) to engage the user's hair, skin, or scalp. Additionally or alternatively, Figure 13 the internal positioning of the head engagement member 114 in

[0079] In Figure 14 it, the head engagement member 114 is positioned adjacent to the bottom surface 1400 of the arm 106. The bottom surface 1400 faces in a direction parallel to the user (i.e., the downward direction when the wearable device 100 is worn). Additionally, the head engagement member 114 can rotate about an axis 1402 at the pivot joint 204. In Figure 14 this example, when the wearable device 100 is worn, the axis 1402 can be parallel (or approximately parallel) to the user's head. In this way, Figure 14 the head engagement member 114 in

[0080] Figures 11 to 14Any one of the illustrated features, components, and / or parts (including their arrangements and configurations) may be included, either alone or in any combination, in any other examples of the devices, features, components, and parts shown in the other figures described herein. Similarly, any one of the features, components, and / or parts shown or described with reference to the other figures (including their arrangements and configurations) may be included, either alone or in any combination, in Figures 11 to 14 the examples of the devices, features, components, and parts shown.

[0081] As discussed above, the wearable device 100 may include various different types of head engagement members. Additionally, the wearable device 100 may include various types of arms. Accordingly, the following discussion includes further descriptions of examples of arm tips that may specifically implement increased friction or increased head engagement. One particular way of doing so is to shape (or pre-shape) the head engagement member so as to impart a greater amount of surface area to the arm tip.

[0082] Figures 15 to 17 Illustrated is a side view of the distal end 202 of the arm 106 having an exemplary widened portion 1500 in accordance with one or more examples of the present disclosure. As Figures 15 to 17 shown, the widened portion 1500 may include the distal end 202 of the arm 106 having an increased surface area relative to other portions of the arm 106. The widened portion 1500 may include a variety of different shapes and cross-sectional profiles. In a particular implementation, the widened portion 1500 flares out or fans out in the Y-Z plane to facilitate contact with more surfaces of the user's head. The widened portion 1500 may include a rounded tip having a bone-shaped end. Accordingly, the widened portion 1500 may specifically include a top surface 1502 that curves upward in the Z direction and a bottom surface 1504 that curves downward in the Z direction. The top surface 1502 and the bottom surface 1504 of the widened portion 1500 may then wrap around and engage at the tip 1506.

[0083] Additionally, the distal end 202 of the arm 106 may be compliant, extensible, or adjustable. For example, Figure 15 shown is the distal end 202 in an un-biased, un-adjusted, or normal state. However, as Figure 16 and Figure 17 shown, the distal end 202 may be deflected upward or downward and maintained in the corresponding position. Specifically, as Figure 16 shown, the distal end 202 may be adjustably extensible upward in the Y-Z plane. In contrast, as Figure 17 shown, the distal end 202 may be adjustably extensible downward in the Y-Z plane. It should also be understood that the distal end 202 may be adjusted in a direction outside of the Y-Z plane (e.g., in the Figure 1 X direction shown).

[0084] In some cases, the distal end 202 (and specifically, the widened portion 1500) may include one or more head engaging members. For example, as Figure 15 shown, the widened portion 1500 may include a pair of head engaging members 114 that can rotate out and away from the arm 106 to engage the user's head (as similarly discussed above with respect to the foregoing figures).

[0085] Figures 15 to 17 Any of the features, components, and / or parts shown (including their arrangements and configurations) may be included, either alone or in any combination, in any other examples of the devices, features, components, and parts shown in the other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to the other figures (including their arrangements and configurations) may be included, either alone or in any combination, in Figures 15 to 17 the examples of the devices, features, components, and parts shown.

[0086] As discussed above, the wearable device 100 may include various different types of head engaging members, including head engaging members having a friction interface. Accordingly, the following discussion includes a further description of example friction interfaces.

[0087] Figure 18 An example front view of the arm 106 in accordance with one or more examples of the present disclosure is illustrated, where the head engaging member 114 is in the deployed position and has an example head engaging surface 1800. The head engaging surface 1800 may be the same as or similar to the head engaging surface 812. In a particular example, the head engaging surface 1800 includes a friction interface 1802. As used herein, the term "friction interface" refers to a portion of the head engaging member 114 that includes one or more elements to enhance or augment friction characteristics. Examples of friction interfaces may include areas of increased surface roughness, multiple micro-elements, viscous (e.g., sticky or adherent) materials, and the like. As Figure 18 specifically shown in, the friction interface 1802 may include directionally oriented fingers (e.g., fibers, hooks, ridges, teeth, micro-elements, etc.). For example, when the head engaging member 114 is deployed (as Figure 18 shown), the fingers of the friction interface 1802 may be oriented to create a lifting effect for the wearable device 100. For example, the directionally oriented fingers of the friction interface 1802 may be angled downward (in the Z direction) so as to at least partially support the weight of the wearable device 100 when the wearable device 100 is worn on the user's head. In these or other examples, the friction interface 1802 may thus engage the user's skin or hair.

[0088] Figure 18Any of the illustrated features, components, and / or parts (including their arrangements and configurations) may be included, either alone or in any combination, in any other examples of the devices, features, components, and parts shown in the other figures described herein. Similarly, any of the features, components, and / or parts shown or described with reference to the other figures (including their arrangements and configurations) may be included, either alone or in any combination, in Figure 18 the examples of the devices, features, components, and parts shown.

[0089] As discussed above, the wearable device 100 may include a head engaging member having various types of head engaging surfaces. Accordingly, the following discussion includes further descriptions of examples of head engaging surfaces, including expandable head engaging surfaces.

[0090] Figure 19 A side view of a wearable device 100 having a head engaging member 114 with an expandable bladder is illustrated in accordance with one or more examples of the present disclosure. Figures 20A to 20B Illustrated are corresponding cross-sectional views of Figure 19 the head engaging member 114 in a retracted position and an extended position in accordance with one or more examples of the present disclosure.

[0091] As Figure 19 shown, the head engaging member 114 may include a bladder 1900a in a first state (e.g., in an unexpanded state). However, the bladder 1900a is shown in dashed lines in Figure 19 because the head engaging member 114 is shown in the extended position. That is, when the head engaging member 114 is in the retracted position (and thus fits within the profile or silhouette of the arm 106), the bladder may be the unexpanded bladder 1900a. However, when the head engaging member 114 is in the extended position, the bladder 1900a may transition to a bladder 1900b in a second state (e.g., the bladder is in an expanded state), as shown. In the expanded state, the bladder 1900b may include an increased surface area for contacting the user's head.

[0092] In these or other examples, various fluid media may be used for the bladder. For example, the bladder may include a gas (e.g., air, nitrogen, etc.), a liquid (e.g., water, oil), or a semi-solid or suspension (e.g., beads, gels, viscous fluids, etc.). Additionally, the bladder of the head engaging member 114 may include various different types of materials. In some examples, the bladder includes an elastomeric material.

[0093] The fluid medium of the bladder can be actuated in various different ways. In some examples, a piston, actuator, or pump can be utilized. Additionally or alternatively, the fluid medium of the bladder can be actuated by the deployment of the head engagement member 114 itself. For example, by moving the head engagement member 114 itself from a stowed position to a deployed position, this transition can cause the bladder to expand from the bladder 1900a in a first state to the bladder 1900b in a second state. Figures 20A to 20B Such an example is depicted.

[0094] In Figure 20A , the head engagement member 114 is positioned in the stowed position. In this front cross-sectional view, the bladder 1900a in the first state is not visible. However, when the head engagement member 114 rotates about the axis 2002 via the pivot joint 204, the step 2000 can impact the bladder. As the rotation of the head engagement member 114 increases, the step 2000 can impact the bladder more and more (thus deforming the bladder) to correspondingly propel the fluid medium. The fluid medium is propelled (i.e., pushed, squeezed, or forced) by the step 2000 until the fluid medium causes the bladder to transform into Figure 20B the bladder 1900b shown.

[0095] Figures 19 to 20B Any of the features, components, and / or parts shown (including their arrangements and configurations) can be included, either alone or in any combination, in any other examples of the devices, features, components, and parts shown in the other figures described herein. Similarly, any of the features, components, and / or parts shown or described in reference to the other figures (including their arrangements and configurations) can be included, either alone or in any combination, in Figures 19 to 20B the examples of the devices, features, components, and parts shown.

[0096] To the extent applicable to the present technology, data collected and used from various sources can be used to improve the delivery of heuristic content or any other content that a user may be interested in. The present disclosure contemplates that, in some instances, this collected data may include personal information data that uniquely identifies or can be used to contact or locate a specific person. Such personal information data can include demographic data, location-based data, phone numbers, email addresses, X (formerly known as ) ID, home addresses, data or records related to the user's health or fitness level (e.g., vital sign measurements, medication information, exercise information), date of birth, or any other identifying or personal information.

[0097] The present disclosure recognizes that the use of such personal information data in the technologies of the present invention can be used to benefit users. For example, the personal information data can be used to deliver targeted content that the user is more interested in. Thus, the use of such personal information data enables the user to have planned control over the content delivered. Additionally, the present disclosure anticipates other uses of personal information data that are beneficial to users. For example, health and fitness data can be used to provide insights into the user's overall health condition, or can be used as positive feedback for individuals who use technologies to pursue health goals.

[0098] The present disclosure anticipates that entities responsible for the collection, analysis, disclosure, transmission, storage, or other use of such personal information data will comply with sound privacy policies and / or privacy measures. Specifically, such entities should implement and adhere to privacy policies and measures that are recognized as meeting or exceeding industry or government requirements for maintaining the privacy and security of personal information data. Such policies should be accessible to users and should be updated as the collection and / or use of data changes. Personal information from users should be collected for legitimate and reasonable entity purposes and should not be shared or sold outside of those legitimate purposes. Additionally, such collection / sharing should occur after receiving the informed consent of the user. Additionally, such entities should consider taking any necessary steps to protect and safeguard access to such personal information data and to ensure that other entities with access to personal information data comply with their privacy policies and procedures. Additionally, such entities can subject themselves to third-party assessments to demonstrate their compliance with widely accepted privacy policies and practices. Further, the policies and practices should be adapted to the particular type of personal information data being collected and / or accessed and to the applicable laws and standards, including considerations of particular jurisdictions. For example, in the United States, the collection or acquisition of certain health data may be governed by federal and / or state laws, such as the Health Insurance Portability and Accountability Act (HIPAA); while health data in other countries may be subject to other regulations and policies and should be handled accordingly. Thus, different privacy measures should be asserted for different types of personal data in each country.

[0099] Notwithstanding the foregoing, the present disclosure also contemplates embodiments in which users selectively block the use or access of personal information data. That is, the present disclosure contemplates hardware elements and / or software elements to prevent or block access to such personal information data. For example, in the case of an advertising delivery service, the inventive technology can be configured to allow a user to select "opt-in" or "opt-out" of participating in the collection of personal information data during or at any time after registering for the service. In another example, a user may choose not to provide emotion-related data for a targeted content delivery service. In another example, a user may choose to limit the length of time that emotion-related data is retained, or to completely prohibit the development of underlying emotion states. In addition to providing "opt-in" and "opt-out" options, the present disclosure also contemplates providing notices related to access or use of personal information. For example, a user can be notified at the time of downloading an application that their personal information data will be accessed, and then be reminded again just before the personal information data is accessed by the application.

[0100] In addition, it is the intent of the present disclosure that personal information data should be managed and processed in a manner that minimizes the risk of inadvertent or unauthorized access or use. Once data is no longer needed, the risk can be minimized by restricting the collection of data and deleting the data. In addition, and when applicable, including in certain health-related applications, data de-identification can be used to protect the privacy of users. De-identification can be facilitated by removing specific identifiers (e.g., date of birth, etc.), controlling the amount or specificity of the data stored (e.g., collecting location data at the city level rather than at the address level), controlling how the data is stored (e.g., aggregating data across users), and / or other methods as appropriate.

[0101] Thus, while the present disclosure broadly covers the use of personal information data to implement one or more of the various disclosed embodiments, the present disclosure also contemplates that various embodiments can be implemented without access to such personal information data. That is, the various embodiments of the inventive technology will not fail to operate properly due to the lack of all or a portion of such personal information data. For example, preferences can be inferred by relying on non-personal information data or an absolute minimum amount of personal information such as the content requested by a device associated with the user, other non-personal information available to the content delivery service, or publicly available information, and content can be selected and delivered to the user accordingly.

[0102] For purposes of illustration, the foregoing description uses specific names to provide a thorough understanding of the described embodiments. However, it will be apparent to one of ordinary skill in the art that no specific details are required in order to practice the described embodiments. Thus, for purposes of illustration and description, the foregoing description of the specific embodiments described herein is presented. They are not intended to be exhaustive or to limit the embodiments to the precise form disclosed. It will be apparent to one of ordinary skill in the art that many modifications and variations are possible in light of the above teachings.

Claims

1. A head - mountable device, comprising: A display frame; A display carried by the display frame; An arm rotatably connected to the display frame at a first joint; And A head - engaging member rotatably connected to the arm at a second joint.

2. The head - mountable device according to claim 1, wherein: The arm includes a surface; and The head - engaging member is rotatable between a stowed position adjacent the surface and a deployed position away from the surface.

3. The head - mountable device according to claim 1, wherein the head - engaging member includes a spring.

4. The head - mountable device according to claim 1, wherein the head - engaging member includes a pre - loaded material.

5. The head - mountable device according to claim 1, wherein the head - engaging member is slidable along the length of the arm.

6. The head - mountable device according to claim 1, wherein the head - engaging member includes a friction interface.

7. The head - mountable device according to claim 6, wherein the friction interface includes a plurality of fingers oriented to at least partially support the weight of the head - mountable device when worn.

8. The head - mountable device according to claim 1, wherein a portion of the head - engaging member is conformable to the shape of a user's head.

9. The head - mountable device according to claim 1, wherein a portion of the head - engaging member is length - adjustable.

10. The head - mountable device according to claim 1, wherein a portion of the head - engaging member includes an overhead link that can be positioned against the display frame.

11. The head - mountable device according to claim 1, wherein the first joint and the second joint are positioned on a proximal portion of the arm.

12. The head - mountable device according to claim 1, wherein the head - engaging member is detachable from the arm.

13. A wearable device, comprising: A housing; An observation window fixed to the housing; A collapsible arm connected to the housing and rotatable in a first plane; And A support arm connected to the collapsible arm and rotatable in a second plane substantially perpendicular to the first plane.

14. The wearable device according to claim 13, wherein the second plane is substantially parallel to the longitudinal axis of the collapsible arm.

15. The wearable device according to claim 13, wherein the support arm can be positioned within the profile of the collapsible arm.

16. The wearable device according to claim 13, wherein the support arm can be positioned adjacent to an outer surface of the collapsible arm, and when the wearable device is worn, the outer surface faces a direction opposite to the user's head.

17. The wearable device according to claim 13, wherein when the support arm is in a stowed position, the support arm is biased into the collapsible arm.

18. A removable support assembly for electronic glasses, the removable support assembly comprising: An adjustable support fin having a head engaging surface; and An eyewear arm connector coupled to the support fin and removably attachable to an eyewear arm of the electronic glasses.

19. The removable support assembly according to claim 18, further comprising the eyewear arm of the electronic glasses, wherein the eyewear arm is removably attachable to an eyewear frame of the electronic glasses, and the eyewear arm further comprises: A proximal end that can be connected to the eyewear frame of the electronic glasses; A distal end opposite the proximal end; and An electronic component coupled to the eyewear arm between the proximal end and the distal end, the electronic component including a power source and a processor.

20. The removable support assembly according to claim 18, further comprising a housing that couples the support fin to the eyewear arm connector, wherein: The housing defines a recess sized and shaped to receive the eyewear arm; and The eyewear arm connector is positioned at the recess.